JP2605919Y2 - Tape recorder - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape recorder suitable for a portable radio-controlled cassette player or the like.

[0002]

2. Description of the Related Art Inexpensive tape recorders are generally designed to mechanically set playback, recording, fast-forward, rewind, stop, and pause operation modes. However, in order to mechanically set the operation mode in this way, there is a problem that a large operation force is required and an operation feeling is very poor. In the case of a mechanical mode setting, remote operation is not possible, so it is necessary to go to the tape recorder one by one. Therefore, when setting the playback mode and the stop mode that are used frequently, the user may experience discomfort or inconvenience.

Therefore, it has been proposed to electrically set all operation modes, and such an electric mode setting method has been adopted for a CD radio-cassette, which has recently become widespread with an integrated CD player and tape recorder. ing. In such a radio-controlled cassette recorder, the mode can be set by simply pressing the push switch lightly, and many types can be remotely operated.

[0004]

[Problem to be solved by the invention] However, this kind of CD
In the boombox, since all the mode settings other than the reproduction mode and the stop mode are made electrically, there is a problem that the power consumption is larger than in the case of mechanical setting. For this reason, for example, when the battery is carried outdoors and a dry battery is used as a power source, the dry battery is consumed so rapidly that the dry battery has to be replaced frequently. Moreover, since the mode can be set only electrically, for example, even if the user estimates from the time of use, for example, that the life of the dry battery in use when there is no spare battery is short, even if the user can estimate the life, To save power in order to extend the time, no other measures could be taken other than putting the functions in a state where the functions were not fully utilized, such as refraining from setting other modes or stopping the use of the CD radio.

[0005] In addition, even when the portable radio device is carried outdoors or while it is installed indoors, a considerable amount of electric power is consumed to remotely control the CD radio cassette player, and the dry batteries used in the remote controller are consumed. It was intense.

The present invention has been made to solve the above-mentioned problem, and has as its object to provide a tape recorder capable of saving power consumption.

[0007]

In order to solve the above-mentioned problems, the present invention provides a tape recorder capable of mechanically setting all the operation modes. Mechanical mode setting means,
An electric mode setting means for electrically setting a reproduction mode, a recording mode, and a stop mode among all the operation modes, and using the mechanical mode setting means and the electric mode setting means in a mixed manner; If the operation mode is in a mode other than the stop mode by the mechanical mode setting means, the operation mode can be set to the stop mode by the electric mode setting means, and the operation mode can be set by the electric mode setting means. When the mode is the reproduction mode or the recording mode, the stop mode can be set by the mechanical mode setting means.

[0008]

As shown in FIG. 1, this tape recorder has:
Button 21 for mechanically setting all operation modes
To 26 are provided. Buttons 81 to 8 are also provided so that only the playback, recording, and stop modes can be set electrically.
3 is also provided. By pressing any of the buttons 21 to 25, the corresponding levers 11 to 15 are locked by the lock plate 30, and the mode is set mechanically.

On the other hand, when the buttons 81 to 83 are pressed, the electric pulse P1 or P2 is inputted to the solenoid 63. Then, the trigger lever 58 rotates, thereby causing the cam 48 to rotate.
Rotates slightly. Thereafter, the cam 48 meshes with the rotating gear 46 and rotates half a turn. During this time, the protrusion 55 or 57 formed on the cam 48 rotates the setting lever 68 clockwise or counterclockwise. When the setting lever 68 rotates clockwise, the lock plate 30 operates to set the stop mode, and when the setting lever 68 rotates counterclockwise, the reproduction lever 12 operates to set the reproduction mode or the recording mode. Has become.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the tape recorder according to the present invention will be described below in detail with reference to the drawings.

FIG. 1 shows the configuration of a tape recorder according to the present invention. In this tape recorder, long plate-like levers 11 to 16 are arranged on the lower side of the substantially rectangular chassis 10 in the drawing, and these levers 11 to 16 are attached so as to be movable up and down in the drawing. The levers 11 to 16 are, from the right side in the figure, a recording lever 11, a reproduction lever 12, a rewind lever 1
3, a fast-forward lever 14, a stop lever 15, and a temporary stop lever 16, which are provided for mechanically setting the operation mode of the tape recorder.

These levers 11 to 16 are constantly urged downward by urging means (not shown). The base ends 11a to 16a of the levers 11 to 16 are formed to have a narrow width.
1, a play button 22, a rewind button 23, a fast forward button 24, a stop button 25, and a pause button 26 are fixed.

Two guide pins 27 are protruded below the chassis 10, and the two guide grooves 28 of the lock plate 30 are inserted into the guide pins 27, respectively, so that the lock plate 30 is moved laterally. Mounted movably. The lock plate 30 is constantly urged rightward by a spring 29. On the lower side of the lock plate 30, engagement pieces 31 to 3 are provided.
5 are provided so as to correspond to the levers 11 to 15, and the right-handed claws 31 a to 3
4a is formed, while the engagement piece 35 is substantially triangular.

On the right side of the levers 11 to 15, projections 11b to 15b cut and raised are provided. Then, when any of the levers 11 to 15 is slid upward, the protrusions 11b to 15b
However, it comes into contact with the slopes 31b to 35b of the corresponding engagement pieces 31 to 35 and pushes them. This causes the lock plate 30 to move leftward against the urging force of the spring 29.

When one of the four levers 11 to 14 out of the five levers 11 to 15 is slid, when these levers 11 to 14 are further slid, the protrusions 11 b
Claws 31a to 34 of the engaging pieces 31 to 34 corresponding to the corresponding pieces 14a to 14b
exceeds a. At this time, the lock plate 30 is pulled back to the right by the spring 29, and the protrusion 1
1b to 14b are hooked on the corresponding claws 31a to 34a, thereby locking the slid levers 11 to 14.

That is, for example, if the reproduction button 22 is pressed and the reproduction lever 12 is slid, the projection 12b is hooked on the claw 32a and the reproduction lever 12 is locked. As a result, a normal rotation reel (not shown) is driven to rotate and a tape (not shown) rotates forward, and at the same time, a reproducing / recording head (not shown) comes close to the tape, and the tape recorder is set to a reproduction mode. .

If the rewind button 23 is pushed and the rewind lever 13 is slid, the projection 13b is hooked on the claw 33a to lock the rewind lever 13. As a result, a rewind mode in which a reverse rotation reel (not shown) rotates at high speed and the tape runs reversely at high speed is set. If the fast-forward button 24 is pressed and the fast-forward lever 14 is slid, the projection 14b is hooked on the claw 34a and the fast-forward lever 14 is locked. This sets the fast-forward mode in which the normal rotation reel rotates at high speed and the tape runs forward at high speed.

The tape recorder is provided with an erroneous erasure prevention mechanism (not shown), and the recording lever 11 is moved upward with respect to a cassette tape whose erroneous erasure prevention claw is folded and protected. Is fixed so as not to slide. If the recording button 21 is pressed and the recording lever 11 is slid with respect to the unprotected cassette tape, the projection 11b
Is hooked on the pawl 31a to lock the recording lever 11.
The recording lever 11 and the reproduction lever 12 are locked by locking means (not shown) so that when the recording lever 11 slides, the reproduction lever 12 also slides together.

Therefore, the reproduction lever 12 also slides at the same time as the recording lever 11, and the projection 12b is hooked on the claw 32a to lock the reproduction lever 12. As a result, the normal rotation reel is driven to rotate in the same manner as in the reproduction mode, so that the tape normally rotates, and at the same time, a reproduction / recording head (not shown) approaches the tape.

A projection 11c is formed on the upper side of the recording lever 11 by cutting and raising, and contacts 18 and 19 of a leaf switch 17 are arranged above the projection 11c with an interval. When the recording button 21 is pressed, the projection 11c pushes one contact 18 and this contact 18 comes into contact with the other contact 19.

When the contacts 18 and 19 of the leaf switch 17 make contact, the internal circuit is set to the recording mode,
A degaussing head (not shown) operates so as to degauss the tape, so that the tape is once degaussed. And the recording lever 11 is locked as described above,
The recording mode is maintained.

When any one of the levers 11 to 14 is locked, the stop button 25 is pressed to release the stop lever 1.
When the slide 5 slides, the protrusion 15b comes into contact with the slope 35b and pushes it. This causes the lock plate 30 to move leftward against the urging force of the spring 29. Then, the projections 11b to 14b of the locked levers 11 to 14 become the claws 31b to 3b.
4b. As described above, since the levers 11 to 15 are constantly urged downward in the drawing by urging means (not shown), the locked levers 11 to 14 return downward, and if the pressing force is removed, the stop lever 15 is stopped. Also returns downward. As a result, the set operation mode ends, and the tape recorder is set to the stop mode.

When the pause button 26 is pressed and the pause lever 16 is slid during the recording mode or the playback mode, the playback / recording head is released without releasing the locked state of the recording lever 11 or the playback lever 12. , The functions of the normal rotation reel and the degaussing head are temporarily stopped, and the recording or reproducing operation is interrupted.

The pause button 26 is connected to the lock plate 30
The lock is set by a lock mechanism (not shown) which is different from that shown in FIG. Here, when the pause button 26 is pressed again and the pause lever 16 is slid, the lock mechanism is disengaged, the pause lever 16 returns downward, and the recording or reproduction mode is set again.

Next, a configuration provided for electrically setting the above-described reproduction mode, recording mode, and stop mode will be described. A motor 40 is provided on the left side of the chassis 10 in the drawing.
Is installed. A motor pulley 41 is attached to a rotating shaft of the motor 40.

A capstan 42 for running the tape is rotatably mounted on the chassis 10, and a flywheel 43 also serving as a pulley is fixed to the capstan 42. A belt 45 is wound between the motor pulley 41 and the flywheel 43. On the back side of the flywheel 43, a gear 46 is integrally mounted.

The rotating shaft of the motor 40 is designed to rotate only clockwise in the drawing, and when the motor 40 is driven, the flywheel 43 also rotates clockwise. The capstan 42 and the gear 46 also rotate clockwise with the flywheel 43.

A shaft 47 is provided upright at the center of the chassis 10.
Is attached, and the cam 48 is rotatable. Arc portions 49 and 50 are formed at point-symmetric positions on the outer periphery of the cam 48, and teeth that can mesh with the gear 46 are formed on all other portions of the outer periphery.

As will be described later, when the mode is switched, the teeth of the cam 48 mesh with the gear 46 and the cam 48 rotates.
When the stop mode is set, the arc portion 50 faces the gear 46, and when the reproduction or recording mode is set, the arc portion 49 faces the gear 46. As a result, the rotational force of the gear 46 is not transmitted to the cam 48 in the stop mode, the reproduction mode, or the recording mode.

The cam 48 has a convex portion in the hatched portion in the figure and a concave portion in the other portion. As shown in FIG. 2, the cam 48 has substantially concentric peripheral walls 51 and 52 projecting therefrom. The outer peripheral surface 51a of the peripheral wall 51 has a circumference around the shaft 47, and the inner peripheral surface 51b has a shape in which two semicircles are shifted and combined.

The outer peripheral surface 52a of the peripheral wall 52 has the same shape as the inner peripheral surface 51b except that the curvature is smaller than that of the inner peripheral surface 51b of the peripheral wall 51. Thus, the peripheral wall 51
Between the inner peripheral surface 51b and the outer peripheral surface of the peripheral wall 52, there is formed a cam groove 53 which is generally circumferentially stepped at the bending portions 53a and 53b.

The inner peripheral surface 52b of the peripheral wall 52 has a circular shape centered on the shaft 47. The peripheral wall 54 is also provided inside the peripheral wall 52.
Are formed. The peripheral wall 54 also has a circular shape centered on the shaft 47, and a substantially V-shaped projection 55 is formed on the outer peripheral surface thereof.

Further, a cylindrical portion 56 is formed inside the peripheral wall 54, and an inner peripheral surface of the cylindrical portion 56 is a shaft 47.
Is fitted. A hook-shaped projection 57 is formed on the outer peripheral surface of the cylindrical portion 56. The protrusion 57 is located at a position opposite to the protrusion 55 of the peripheral wall 54 with the shaft 47 interposed therebetween.

As shown in FIG. 1, a leaf switch 84 is disposed on the upper surface side of the cam 48. As shown in the figure, when the projection 57 is at the upper side in the figure, one contact 86 of the leaf switch 84 is pressed by the projection 57 and the other contact 85
When the cam 48 rotates counterclockwise and the projection 57 separates from the contact 86, the contacts 85 and 86 also separate. That is, here, the origin is the rotation angle of the cam 48 when the projection 57 is located above, and the leaf switch 84 is provided to detect the origin of the rotation angle of the cam 48.

A trigger lever 58 is disposed on the upper surface side of the cam 48. The trigger lever 58 is formed in an L shape by the first arm portion 61 and the second arm portion 62,
The connecting portion between the first arm portion 61 and the second arm portion 62 has a shaft 5
8a are arranged.

The shaft 58a is mounted on a pedestal (not shown), and the pedestal is fixed to the chassis 10.
Thus, the trigger lever 58 is rotatable about the shaft 58a. A pin-shaped cam follower 59 projects from the back side of the first arm portion 61, and the cam follower 59 is fitted into the cam groove 53.

On the upper side of the chassis 10, a solenoid 6
3 is attached, and a flange 65 is formed at the tip of the core 64 of the solenoid 63. The tip of the first arm 61 of the trigger lever 58 is engaged with the flange 65.

When the coil (not shown) inside the main body 63a is not energized, the core 64 is attracted to the magnet (not shown) inside the main body 63a and is drawn into the solenoid 63, and the solenoid 63 is energized. Then, the magnetic field generated in the coil and the magnetic field of the magnet cancel each other, so that the core 64 becomes movable.

The trigger 66 is always activated by the spring 66.
Are urged counterclockwise about the shaft 58a. That is, the trigger lever 58 is constantly biased in a direction in which the core 64 is pulled out from the main body 63a. However, when the solenoid 63 is not energized, the core 64 is drawn into the main body 63a. 58 is also held at a position closer to the main body 63a.

Now, the second arm 62 of the trigger lever 58
Is formed narrow, and in the vicinity thereof,
A setting lever 68 is provided. The setting lever 68 includes a parallelogram base 70 and an elongated protrusion 71 protruding from one corner of the base 70. A shaft 68a is provided at the center of the base 70, and is attached to a pedestal (not shown). The pedestal is fixed to the chassis 10. Thus, the setting lever 68 is rotatable.

At the two corners of the base 70, pin-shaped cam followers 72, 73 are protruded. The shaft 68a is disposed near the peripheral wall 54 of the cam 48, whereby the cam follower 72 is disposed in a recessed space between the peripheral wall 54 and the cylindrical portion 56, and the cam follower 73 is recessed between the peripheral wall 52 and the peripheral wall 54. It is arranged in the space. In this manner, the cam follower 72 can be brought into contact with the projection 57, and the cam follower 73 can be brought into contact with the projection 55. The setting lever 68 is constantly urged clockwise by a torsion spring (not shown). When the rotation angle of the cam 48 is at the origin, the position of the setting lever 68 is regulated by the cam follower 73 abutting on one slope 55 a of the projection 55.

The protrusion 71 has a length that reaches the lock plate 30 and the reproduction lever 12 when rotated. Projections 74 and 75 are formed on the lock plate 30 by cutting and raising. When the lock plate 30 is on the right side, the setting lever 68
Is rotated clockwise, so that the protruding portion 71 comes into contact with the projection 74 from the right side. When the setting lever 68 is at the position shown by the solid line when the rotation position of the cam 48 is the origin, even if the lock plate 30 slides from right to left, the protrusion 7
5 moves without pushing the protrusion 71.

The setting lever 68 is always urged clockwise by the not-shown torsion spring as described above.
When the cam 48 is in a half-rotation state as shown in FIG.
Since there is no position regulation by the slope 55a of 5, the setting lever 68 is further rotated clockwise than the position shown by the solid line in FIG. 1, and the projection 71 abuts the projection 54 of the lock plate 30 to regulate the position. Here, since the tip of the protruding portion 71 is further below the position shown by the solid line in FIG. 1, when the protrusion 71 moves to the left, the setting lever 68 is rotated clockwise to perform a stop operation as described later. A protrusion 76 is also provided on the left side of the reproduction lever 12, and when the setting lever 68 rotates counterclockwise, the protrusion 71 comes into contact with the protrusion 76 from below.

This tape recorder electrically records,
Record button 8 to set each mode of play and stop
1, a play button 82 and a stop button 83 are provided. When the record button 81 or the play button 82 is pressed in the stop mode, the electric pulse P1 is generated by the solenoid 63.
When the stop button 83 is pressed in a mode other than the stop mode, the electric pulse P2 flows through the coil of the solenoid 63. In these cases, the magnetic field acting on the core 64 disappears instantaneously, and the core 64 becomes movable. Then, the biasing force of the spring 66 causes the trigger lever 58 to rotate counterclockwise by a predetermined angle.

FIG. 1 shows a situation in which the reproduction mode is set from the stop mode. When the stop mode is set, the rotation angle of the cam 48 is at the origin as described above. That is, the projection 57 is on the upper side. Further, since the arc portion 50 of the cam 48 faces the gear 46, the rotation of the gear 46
It is not transmitted to. Further, a cam follower 59 is provided at the bent portion 53a of the cam groove 53, and the outer peripheral wall 5 is provided.
1 is in contact with the inner peripheral surface.

Now, when the play button 82 is pressed, the electric pulse P
1 flows into the solenoid 63 and the core 64 becomes movable. Then, the trigger lever 58 is actuated by the urging force of the spring 66.
Rotates counterclockwise. Further, the motor 40 starts rotating, and the gear 46 is driven to rotate clockwise.

When the trigger lever 58 rotates in the counterclockwise direction, the cam follower 59 moves the peripheral wall 52 of the bending portion 53a.
To push the bent portion of the peripheral wall 52 downward.
This causes the cam 48 to rotate slightly counterclockwise,
The teeth above the arc 50 of the cam 48 mesh with the gear 46. The gear 46 is already rotating clockwise and the cam 4
8 follows this and rotates counterclockwise.

With the rotation of the cam 48, the projection 55 of the peripheral wall 54 comes into contact with and pushes the cam follower 73 of the setting lever 68. As a result, the setting lever 68 starts rotating counterclockwise, and rotates to a position indicated by a virtual line in the figure.
At this time, the tip of the projection 71 of the setting lever 68 contacts and presses the projection 76 of the reproduction lever 12, so that the reproduction lever 12 slides upward as indicated by the imaginary line.

Then, similarly to the above-described setting to the mechanical reproduction mode, the projection 12b of the reproduction lever 12 is hooked on the claw 32a, and the reproduction lever 12 is locked. Thus, the tape recorder is set to the playback mode. That is, at the same time that the tape (not shown) rotates forward, the reproducing / recording head (not shown) comes close to the tape, and the internal circuit is set to perform the reproducing process.

When the setting lever 68 rotates to reach the position indicated by the imaginary line, the cam follower 73 moves farther from the shaft 47 of the cam 48, and the projection 55 of the cam 48 comes off the cam follower 73. As a result, the rotation driving force in the counterclockwise direction does not work, and the setting lever 68 is rotated clockwise by the above-mentioned torsion spring, so that the projection 71 comes into contact with the projection 74.

The cam follower 59 of the trigger lever 58 passes through the cam groove 53 as the cam 48 rotates counterclockwise. Then, as shown in FIG. 3, when the arc portion 49 of the cam 48 faces the gear 46, the other bending portion 53 b reaches the cam follower 59. At this time,
Since the energization of the solenoid 63 has been completed, the core 64 has returned to the main body 63 side.

After that, the core 64 is again connected to the solenoid 63.
The trigger lever 58 does not rotate. Then, the rotation of the gear 46 is not transmitted to the cam 48, and the cam follower 59 hits the bending portion 53b, so that the rotation of the cam 48 stops. In this way, the cam 48 stops just after half a rotation from the origin.

Now, in the stop mode, the recording button 8 is set for the unprotected cassette tape.
When 1 is pressed, the electric pulse P1 also flows through the solenoid 63, and the cam 48 makes a half turn in the counterclockwise direction as described above. During the rotation of the cam 48, the setting lever 68 rotates counterclockwise, and the reproduction lever 12 slides and is locked. As a result, at the same time as the tape (not shown) rotates forward, a reproducing / recording head (not shown) comes close to the tape.

When the recording button 81 is pressed, a degaussing head (not shown) operates so as to degauss the tape, and the tape is once degaussed by the degaussing head. In this way, the tape recorder is set to the recording mode. However, unlike the mechanical recording mode setting, the operation of the recording lever 11 is not performed.

Next, the electrical stop mode setting will be described. FIG. 3 shows a situation in which the reproduction mode is set to the stop mode. When the electric reproduction mode is set as described above, the motor 40 is rotating and the gear 46 is rotating in the clockwise direction. Gear 46
Is not transmitted to the cam 48. The cam follower 59 is located at the bent portion 53 b of the cam groove 53 and contacts the inner peripheral surface of the outer peripheral wall 51.

When the stop button 83 is pressed, the electric pulse P
2 flows into the solenoid 63 and the core 64 becomes movable. Then, the trigger lever 58 is actuated by the urging force of the spring 66.
Rotates counterclockwise by a predetermined angle.

When the trigger lever 58 rotates in the counterclockwise direction, the cam follower 59 moves the peripheral wall 52 of the bending portion 53b.
To push the bent portion of the peripheral wall 52 downward.
This causes the cam 48 to rotate slightly counterclockwise,
The teeth above the arc 49 of the cam 48 mesh with the gear 46. In the reproduction mode, the gear 46 has already rotated clockwise, and the cam 48 follows the rotation to rotate counterclockwise.

With the rotation of the cam 48, the projection 57 of the cylindrical portion 56 comes into contact with and pushes the cam follower 72 of the setting lever 68. As a result, the setting lever 68 starts rotating clockwise, and rotates to a position indicated by a virtual line in the drawing.
At this time, the distal end of the projecting portion 71 of the setting lever 68 comes into contact with and pushes the projection 74 of the lock plate 30.
0 slides to the left.

Thus, while the projection 74 is pushing the lock plate 30 to the left, the claw 32a of the lock plate 30 is disengaged from the projection 12b of the playback lever 12, thereby causing the playback lever 12 to move as indicated by the phantom line. At the same time as the tape slides downward and the tape stops running, the reproducing / recording head separates from the tape and the reproducing process stops.

When the setting lever 68 rotates to reach the position indicated by the imaginary line, the cam follower 72 moves farther from the shaft 47 of the cam 48, so that the projection 56 of the cam 48 comes off the cam follower 72. As a result, the clockwise rotational driving force does not work, and the rotation of the setting lever 68 ends. Accordingly, the lock plate 30 is not given a biasing force to the left, so that the lock plate 30 is returned to the right by the spring 29. At this time, the projection 74 comes into contact with the tip of the protrusion 71 of the setting lever 68 and pushes it to the right, so that the setting lever 68 rotates slightly counterclockwise to the state shown by the solid line in FIG.

With the rotation of the cam 48 in the counterclockwise direction, the cam follower 59 of the trigger lever 58 is moved to the cam groove 5.
Pass 3 When the arc portion 50 of the cam 48 comes to the gear 46 as shown in FIG.
Refraction portion 53a reaches 9. At this time, since the energization of the solenoid 63 has been completed, the core 64 is drawn into the main body 63.

Thereafter, the core 64 is again connected to the solenoid 63
The trigger lever 58 does not rotate. Then, the rotation of the gear 46 is not transmitted to the cam 48, and the cam follower 59 hits the bending portion 53a, so that the rotation of the cam 48 stops. In this way, even in the setting to the stop mode, the cam 48 rotates just half a turn and returns to the origin of the rotation angle. Thereafter, the motor 40 stops and the stop mode is set.

When the recording mode is set to the stop mode, the stop button 83 is pressed and the solenoid 6 is pressed in the same manner as when the reproduction mode is set to the stop mode.
3 may be supplied with an electric pulse P2. Also in this case, the cam 48
Is half-turned counterclockwise and stops at the origin of the rotation angle, the setting lever 68 turns half-clockwise, and the lock plate 30 operates in the same manner as described above. The claw 32a of the lock plate 30 comes off. At the same time, the recording operation setting and the degaussing operation setting of the internal circuit are released. Thus, the recording mode ends and the stop mode is set.

The case where the respective modes of electrically reproducing, recording, and stopping are set has been described above, but this is a description only of the case where the setting of the electrical reproduction or recording mode and the setting of the electrically stopped mode are repeated. is there. Next, the operation when the electrical mode setting and the mechanical mode setting are performed successively will be described.

First, the case where the stop mode is set electrically as described above and then the reproduction or recording mode is set mechanically will be described. When the stop mode is set as described above, a state shown by a solid line in FIG. 1 is obtained. Here, when the play button 22 or the record button 21 is pressed, the play lever 12 alone or the play lever 12 and the record lever 1 are correspondingly pressed.
Both are locked and mechanically set to playback or recording mode.

In this case, unlike the electric mode setting,
Since the solenoid 63 is not energized, the cam 48 remains at the origin of the rotation angle and does not rotate half. Therefore, the protrusion 5
5 and 57 are also at the positions shown in the figure, and the setting lever 68 is also at the position shown by the solid line.

Thereafter, by pressing the stop button 25 and mechanically setting the stop mode, the reproduction lever 1
2 alone or both the playback lever 12 and the recording lever 11 are released from the lock plate 30 to set the initial stop mode shown by the solid line in FIG. During this time, the cam 48 remains stopped at the origin of the rotation angle.

On the other hand, after mechanically setting the playback mode or the recording mode, the stop button 25 for mechanical setting is set.
Instead, when the stop button 83 for electric setting is pressed, the electric pulse P2 flows to the solenoid 63 twice. That is, when the leaf switch 84 detects that the rotation angle of the cam 48 is at the origin and presses the stop button 83 while the motor 40 is driven, the electric pulse P
2 occurs twice.

When the first electric pulse P2 flows through the solenoid 63, the trigger lever 58 rotates counterclockwise in the same manner as described above, so that the cam 48 rotates halfway counterclockwise from the origin and stops. Cam follower 73 during this time
Is pushed by the projection 55, the setting lever 68 rotates counterclockwise and comes to the position shown by the imaginary line. However, since the playback lever 12 is already locked as shown by the imaginary line, it has no effect on the mode setting. After this,
The setting lever 68 rotates clockwise to reach the state shown by the solid line in FIG. This is the same state as the electrically set reproduction mode.

Therefore, when the second electric pulse P2 flows through the solenoid 63, the setting lever 68 rotates clockwise as described above, and the lock plate 30 is operated.
Reproduction lever 12 alone or reproduction lever 12 and recording lever 1
Both of them are released from the lock plate 30 and return downward. Further, the cam 48 rotates half a counterclockwise direction and returns to the origin of the rotation angle. In this way, the stop mode indicated by the solid line in FIG. 1 is set.

Here, the electric pulse P2 is applied twice to the solenoid 6
The reason why the current is supplied to 3 is that only one electric pulse P2 has no effect on the mode setting. That is, by rotating the cam 48 halfway from the origin by the first electric pulse P2, as shown in FIG.
Is brought closer to the cam follower 72 of the setting lever 68, and the cam 48 is further rotated by a half with the second electric pulse P2, so that the projection 57 presses the cam follower 72 to rotate the setting lever 68 clockwise. .

Although the procedure for mechanically setting the playback or recording mode and then electrically setting the stop mode has been described above, the procedure for mechanically setting the rewind or fast-forward mode and then electrically stopping the mode has been described. Also in the case of setting the mode, the electric pulse P2 is input to the solenoid 63 twice so that the cam 48 is rotated twice a half turn.

Next, from the electrically set reproduction mode,
A case where the stop mode is mechanically set will be described.
When the reproduction mode is set electrically, the cam 48 is rotated half a rotation from the origin of the rotation angle as shown in FIG.

As shown by an arrow in FIG. 4, when the stop button 25 for mechanical setting is pressed, the stop lever 15 slides, and the lock plate 30 moves to the left. Then, not only the claw 32a of the lock plate 30 comes off from the protrusion 12b of the reproduction lever 12, but also the protrusion 75 of the lock plate 30
8 comes into contact with the tip of the projection 71 from the right side and pushes it to the left.

As a result, the setting lever 68 is rotated clockwise, and the cam follower 72 of the base 70 of the setting lever 68 is rotated.
The corner on the side abuts on the tip 67 of the second arm 62 of the trigger lever 58 and pushes it to the right. Therefore, the trigger lever 58 rotates counterclockwise against the holding force of the magnet in the main body 63a of the solenoid 63 on the core 64.

When the setting lever 68 rotates to a predetermined angle, the right projection 75 of the lock plate 30 comes off the projection 71. As a result, the lock plate 30 in which the leftward force no longer acts is returned rightward by the spring 29. As a result, the protrusion 71 is pressed by the left protrusion 74 and rotates counterclockwise,
It will stop at the position shown in FIG.

When the trigger lever 58 rotates counterclockwise, the cam follower 59 in the first arm portion 61 pushes the cam groove 53 against the peripheral wall 52 of the bending portion 53b. This causes the cam 48 to rotate slightly counterclockwise, thereby causing the cam 4 to rotate.
The teeth 8 mesh with the gear 46, and the cam 48 starts rotating counterclockwise following the gear 46.

Thereafter, the cam follower 59 passes through the cam groove 53 as the cam 48 rotates counterclockwise. And
As shown in FIG. 1, the arc portion 50 of the cam 48 comes to the gear 46, the rotation of the gear 46 is not transmitted to the cam 48, and the cam follower 59 hits the bending portion 53a to stop the rotation of the cam 48. That is, the cam 48 returns to the origin of the rotation angle. Thereafter, the motor 40 stops and the stop mode is set.

Even when the stop mode is mechanically set from the playback mode electrically set in this way, not only does the playback lever 22 return to the standby position, but the cam 48 rotates half a turn. . Therefore, the cam 48 can return to the origin of the rotation angle even when the stop mode is mechanically set in the same manner as when the stop mode is set electrically. For this reason, the next time the electric playback mode or the recording mode is set electrically, it is sufficient to apply the electric pulse P1 to the solenoid 63 once, regardless of whether the stop mode is set electrically or mechanically. .

When the stop mode is mechanically set from the electrically set recording mode, the recording lever 11 is released from the lock plate 30 and returns to the standby position when the lock plate 30 slides to the left. Other operations are the same as described above, except for the above.

FIGS. 5 and 6 show a procedure 100 for electrically or mechanically setting the stop mode after setting the electrical reproduction or recording mode as described above. First, when the play button 82 or the record button 81 is pressed in the stop mode in which the cam 48 is at the origin of the rotation angle, an electric pulse P1 is input to the solenoid 63, and the solenoid 63 is momentarily turned on (steps 101 to 102). ).

The trigger lever 58 held by the solenoid 63 is now rotated by the spring 66 (step 103), while the motor 40 starts rotating (step 104). Thereafter, the cam 48 slightly rotated counterclockwise by the trigger lever 58 meshes with the gear 46 driven by the motor 40, and the cam 48 starts rotating (step 105).

Then, the setting lever 68 rotates with the rotation of the cam 48 (step 106), and the setting lever 68 retracts the reproducing lever 12, whereby the reproducing lever 12
Are locked by the lock plate 30 (step 1).
07).

After the reproduction / recording head (not shown) is switched to either reproduction or recording, the tape approaches and the tape starts running (step 108).
To 109). If the recording mode is set, the degaussing head also operates.

Thereafter, the cam 48 stops at a position where it has rotated a half turn from the origin, and the reproduction or recording mode is set electrically (steps 110 to 111).

Next, when setting the stop mode from the electrically set reproduction or recording mode, as shown in FIG. 6, it is determined whether or not the stop button 83 for performing the electric mode setting has been pressed. Is performed (step 112). When the stop button 83 is pressed, the electric pulse P2 is input to the solenoid 63, and the solenoid 63 is instantly turned on (step 113).

The trigger lever 58 held by the solenoid 63 is now rotated by the spring 66 (step 114), and the gear whose cam 48 is rotated slightly counterclockwise by the trigger lever 58 is rotating. The cam 48 starts rotating by engaging with the gear 46 (step 115).

Then, the setting lever 68 is rotated with the rotation of the cam 48, and the setting lever 68 operates the lock plate 30, whereby the reproduction lever 12 is released from the lock plate 30 (steps 116 to 118). ).

As a result, the reproducing / recording head separates from the tape, and the tape running is stopped (steps 119 to 119).
120). If the recording mode has been set, the degaussing head also stops operating.

Thereafter, when the cam 48 rotates to the origin, it stops there, the rotation of the motor 40 also stops, and the initial stop mode is set electrically (steps 121 to 123).
This reproduction or recording mode and stop mode setting processing 100
Ends.

If it is determined in step 112 that the stop button 83 has not been pressed, it is determined whether the stop button 25 for mechanically setting a mode has not been pressed (step 124). When the stop button 25 is pressed, the lock plate 30 is operated, and the reproduction lever 12
Are unlocked (steps 125 to 126).

As a result, the reproducing / recording head moves away from the tape, and the tape running is stopped (steps 127 to 127).
128). If the recording mode has been set, the degaussing head also stops operating.

Then, the setting lever 68 pushed by the lock plate 30 rotates, and this pushes the trigger lever 58.
The trigger lever 58 rotates (steps 129 to 13)
0). As a result, the cam 48 meshes with the gear 46 and starts rotating (step 131).

When the cam 48 rotates to the origin, it stops there, the rotation of the motor 40 also stops, and the initial stop mode is mechanically set (steps 121 to 123). 100 ends.

FIGS. 7 and 8 show a procedure 150 for mechanically setting the playback or recording mode and then electrically or mechanically setting the stop mode. First, when the playback button 22 or the recording button 21 is pressed in the stop mode in which the cam 48 is at the origin of the rotation angle, the playback lever 12 (or the playback lever 12) is pressed.
And the recording lever 11) is locked to the lock plate 30.
(Step 151).

After the internal circuit is switched to either the reproducing process or the recording process, the reproducing / recording head approaches the tape and the tape starts running (steps 153 to 154). If the recording mode is set, the degaussing head also operates. Thus, the reproduction or recording mode is set electrically (step 155). The cam 48 remains stopped at the origin.

When the stop mode is set from the reproduction or recording mode mechanically set in this way, first, as shown in FIG.
It is determined whether 3 has been pressed (step 156). When the stop button 83 is pressed, the electric pulse P2 is input to the solenoid 63, and the solenoid 63 is turned on momentarily (step 157).

The trigger lever 58 held by the solenoid 63 is now rotated by the spring 66 (step 158), and the cam 48 rotated slightly counterclockwise by the trigger lever 58 is rotating. Meshing with the cam 46, the cam 48 starts rotating,
Stop at the half-rotated position (steps 159 to 16
0). The setting lever 68 rotates with the rotation of the cam 48, but this does not affect the mode setting.

Then, the electric pulse P2 is input to the solenoid 63 again, and the solenoid 63 is momentarily turned on (step 161). The trigger lever 58 held by the solenoid 63 is now rotated by the spring 66 (step 162).
The cam 48 which is slightly rotated counterclockwise by the cam 8
Engages with the rotating gear 46, and the cam 48 starts rotating (step 163).

The setting lever 68 rotates with the rotation of the cam 48 again, and the setting lever 68 activates the lock plate 30.
(Steps 164 to 16)
6).

As a result, the reproducing / recording head separates from the tape, and the tape running is stopped (steps 167 to 167).
168). If the recording mode has been set, the degaussing head also stops operating.

Thereafter, when the cam 48 rotates to the origin, it stops there, the rotation of the motor 40 also stops, and the initial stop mode is set electrically (steps 169 to 171).
The mode setting process 150 ends.

If it is determined in step 156 that the stop button 83 has not been pressed, it is determined whether the stop button 25 for mechanically setting a mode has not been pressed (step 172). When the stop button 25 is pressed, the lock plate 30 is operated, and the reproduction lever 12
Are unlocked (steps 173 to 174).

As a result, the reproducing / recording head separates from the tape, and the tape running is stopped (steps 175 to 175).
176). If the recording mode has been set, the degaussing head also stops operating.

Then, the rotation of the motor 40 is also stopped, and the initial stop mode is set mechanically (steps 170-1).
71), the mode setting process 150 ends.

As described above, in this tape recorder, all the operation modes can be set mechanically, and the reproduction mode, the recording mode, and the stop mode can also be set electrically. ing.

[0107]

As described above, according to the present invention, in a tape recorder capable of mechanically setting all operation modes, a mechanical mode setting means for mechanically setting all the operation modes, An electric mode setting means for electrically setting a reproduction mode, a recording mode, and a stop mode among all the operation modes, and using the mechanical mode setting means and the electric mode setting means in a mixed manner; If the operation mode is in a mode other than the stop mode by the mechanical mode setting means, the operation mode can be set to the stop mode by the electric mode setting means, and the operation mode can be set by the electric mode setting means. When the mode is the reproduction mode or the recording mode, the stop mode can be set by the mechanical mode setting means.

Therefore, according to the present invention, the frequently used reproduction mode and stop mode can be electrically set, so that no discomfort or inconvenience is caused when operating the operation buttons. The mode can be selected mechanically or electrically and set. For example, when installed and used indoors, by selecting an electrical setting by operating a remote controller or the like, it is possible to operate comfortably without approaching the tape recorder one by one. Further, when it is estimated that the life of the dry battery is short when used outdoors, the life of the dry battery can be extended by selecting a mechanical mode setting that consumes less power. Furthermore, even when using an AC power supply instead of a dry cell, indoors or outdoors, it is possible to mechanically set the mode to save power consumption.

Also, by electrically setting the recording mode whose operation is similar to the setting of the reproduction mode, it is possible to further expand the range of choices of the user without complicating the configuration. is there. Further, since the mechanical mode setting means and the electric mode setting means can be used in a mixed manner, a selection switch for selecting the mechanical mode setting means and the electric mode setting means is unnecessary, and the operation is not confused. ,
There are effects that the operation mode can be easily and reliably set, and operability can be improved.

[Brief description of the drawings]

FIG. 1 is a plan view showing a state in which a tape recorder according to an embodiment of the present invention is electrically set from a stop mode to a playback mode.

FIG. 2 is a plan view showing a cam 48 used in the embodiment.

FIG. 3 is a plan view of an embodiment showing a state where an electrically set reproduction mode is set to an electrically stopped mode.

FIG. 4 is a diagram of an embodiment showing a state in which a stop mode is mechanically set from a reproduction mode.

FIG. 5 is a flowchart (1/2) illustrating a procedure from an electric reproduction or recording mode setting to a stop mode setting in the embodiment.

FIG. 6 is a flowchart (2/2) illustrating a procedure from setting of an electric reproduction or recording mode to setting of a stop mode in the embodiment.

FIG. 7 is a flowchart (1/2) illustrating a procedure from mechanical reproduction or recording mode setting to stop mode setting in the embodiment.

FIG. 8 is a flowchart (2/2) illustrating a procedure from mechanical reproduction or recording mode setting to stop mode setting in the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Reproduction lever 12 Recording lever 13 Rewind lever 14 Fast forward lever 15 Stop lever 21, 82 Play button 22, 81 Record button 23 Rewind button 24 Fast forward button 25, 83 Stop button 30 Lock plate 48 Cam 58 Trigger lever 63 Solenoid 64 Core 68 Setting lever 74-76 Projection

Continuation of the front page (56) References Japanese Utility Model 52-49611 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) G11B 15/10

Claims (1)

(57) [Scope of request for utility model registration] 1. A tape recorder capable of mechanically setting all operation modes, a mechanical mode setting means for mechanically setting all the operation modes, a reproduction mode among all the operation modes, An electrical mode setting means for electrically setting a recording mode and a stop mode, wherein the mechanical mode setting means and the electrical mode setting means can be used in combination, and the mechanical mode setting means When the operation mode is in a mode other than the stop mode, the operation mode can be set to the stop mode by the electric mode setting means, and the operation mode is in the reproduction mode or the recording mode by the electric mode setting means. The tape recorder can be set to a stop mode by the mechanical mode setting means.