JPH073713B2 - Video playback device remote control device and video playback system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention will be described in the following order.

A Industrial Field B Outline of Invention C Conventional Technology D Problems to be Solved by the Invention E Means for Solving Problems F Action G Example (G-1) Configuration of Example (FIG. 1) (Fig. 10) (G-2) Operation of the embodiment (Figs. 11 to 15) H Effect of the invention A Industrial field of application The present invention is a video reproduction such as a video tape recorder (VTR) or a videotex. The present invention relates to a remote control device for a device and a video playback system using the remote control device, and more particularly to a remote control device and a video playback system for controlling multifunctional operation such as a variable speed playback function and a timer operation function of the video playback device.

B Outline of the Invention The present invention is to form and transmit a control command of a predetermined operation mode in accordance with a rotation operation of a rotation operation member in a remote operation device of a video reproducing apparatus such as a video tape recorder (VTR) or a videotex. Thus, the multi-function operation control such as the variable speed reproduction function and the timer operation function of the video reproduction apparatus can be remotely operated by the rotation operation of the rotation operation member.

C Conventional Technology Conventionally, in the VTR, in addition to the normal recording / reproducing mode, multi-functionalization has been promoted by adding a variable speed reproducing function for changing the image reproducing speed and a timer operation function such as recording reservation.
As the variable speed playback function in the VTR, there is known a variable speed playback operation that arbitrarily changes the video playback speed, and a variable speed playback operation that switches the playback speed to still image playback, 1 / 2x speed playback or 2x speed playback. Has been. Further, in the conventional multi-functional VTR, a large number of operating members provided for various functions such as an up / down switch, a numeric keypad switch, and a rotary dial are configured to operate according to a predetermined procedure. Therefore, for example, a complicated operation is required to perform a subtle operation of a target scene on a recorded video tape or an operation such as finding an editing point by using the variable speed reproduction function or the like. . In addition, the applicant of the present invention is
In order to improve the operability of, the so-called variable speed reproduction operation and variable speed reproduction operation are controlled by rotating the rotary operation member.
We have previously proposed a video tape recorder that realized the operation control function and timer setting function of the JOG / SHUTTLE mode (see Japanese Patent Application No. 60-557).

A remote control device (a so-called remote control or commander) for remotely operating a VTR that has multiple functions as described above.
Operates a number of operation members such as up / down switch and numeric keypad switch for each function according to a predetermined procedure to supply a predetermined control command in a predetermined format to the VTR body for operation control. Is supposed to do.

D Problems to be Solved by the Invention In a remote control device for a video reproducing device such as a conventional VTR, which has been multi-functionalized as described above, generally, an up / down switch or a numeric key switch provided for each function is provided. The operability of various operation members such as is poor, and variable speed reproduction operation and timer setting operation cannot be performed by rotating the rotary dial.

E Means for Solving the Problems In order to solve the above-mentioned problems, a remote control device for a video reproducing apparatus according to the present invention controls the rotation dial provided so as to be rotatable and the rotation of the rotation dial. The rotation detecting means for optically detecting, the mode setting switch for selectively designating the first operation mode and the second operation mode, and the operation by operating the mode setting switch, the rotation is performed in the first operation mode. A control command for designating an operation direction and an operation speed in accordance with a rotation operation of the rotary dial is formed on the basis of the detection output of the detection means, and in the second operation mode, the rotary dial is based on the detection output of the rotation detection means. Signal processing means for forming a control command for designating a stepping motion for each unit rotation angle in accordance with the rotational operation of the control command, and a control command formed by the signal processing means. And a transmission means for transmitting the control command for the first operation mode or the second operation mode designated by the mode setting switch, the transmission command is transmitted from the transmission means to the video reproducing apparatus, and the remote control of the video reproducing apparatus is performed. The feature is that the operation is performed.

Further, the video reproduction system according to the present invention includes a rotary dial rotatably provided, a rotation detecting means for optically detecting rotation of the rotary dial, a first operation mode and a second operation mode. It operates by operating the mode setting switch that is selectively specified and the mode setting switch,
In the first operation mode, a control command for designating an operation direction and an operation speed in accordance with the rotation operation of the rotary dial is formed based on the detection output of the rotation detection means, and in the second operation mode, the rotation detection means is used. A signal processing means for forming a control command for designating a stepping motion for each unit rotation angle in response to the rotation operation of the rotary dial based on the detected output, and a transmission for transmitting the control command formed by the signal processing means. A remote control device including a means, a reception unit that receives control commands for the first operation mode and the second operation mode transmitted from the transmission unit of the remote control device, and a variable speed reproduction function. The variable speed reproduction operation of the video reproduction means is controlled according to the control command of the first operation mode received by the video reproduction means and the second operation mode. And a video reproduction device having control means for performing stepwise control of a set value in accordance with a control command of the mode, the video reproduction device being designated by the mode setting switch transmitted from the remote operation device. The control command of the first operation mode or the second operation mode is received, the variable speed reproduction operation is performed according to the control command of the first operation mode, and the control command of the second operation mode is received. It is characterized in that a stepping operation of a set value is performed.

F In the remote control device of the video reproducing apparatus according to the present invention, the rotation detecting means optically detects the rotation of the rotary dial provided so as to rotate, and the signal processing means which operates by operating the mode setting switch causes In the first operation mode, a control command for designating the operation direction and the operation speed in accordance with the rotation operation of the rotary dial is formed on the basis of the detection output by the rotation detecting means, and in the second operation mode, the detection by the rotation detecting means is performed. Based on the output, a control command for designating a stepping motion for each unit rotation angle in accordance with the rotation operation of the rotary dial is formed. Then, the first operation mode or the second operation mode designated by the mode setting switch is set.
Send the control command of the operation mode of from the transmission means,
Remotely operate the video playback device.

Further, in the video reproduction system according to the present invention, in the remote control device, the rotation of the rotary dial rotatably provided is optically detected by the rotation detecting means, and the signal processing means is operated by operating the mode setting switch. ,
In the first operation mode, a control command for designating an operation direction and an operation speed in accordance with the rotation operation of the rotary dial is formed based on the detection output of the rotation detection means, and in the second operation mode, the rotation detection means is used. A first operation mode or a second operation mode designated by the mode setting switch is formed by forming a control command for designating a stepping motion for each unit rotation angle in accordance with the rotation operation of the rotary dial based on the detection output. The control command is transmitted from the transmission means. Then, the video reproducing device receives the control command of the first operation mode or the second operation mode designated by the mode setting switch, which is transmitted from the remote operation device, by the receiving unit. The control unit performs the variable speed reproduction operation according to the control command of the first operation mode, and performs the stepping operation of the set value according to the control command of the second operation mode.

G Example One example of a video tape recorder to which the present invention is applied will be described below in detail with reference to the drawings.

(G-1) Configuration of Embodiment The embodiment shown in FIGS. 1 to 15 is one in which the present invention is applied to a stationary type multifunction VTR.
As shown in FIG. 2 and FIG. 2, the VTR main body 100 and the VTR main body 100
The remote control device 200 is configured to perform remote control of.

The VTR main body 100, as shown in the block diagram of FIG.
A system control microcomputer 7 for controlling the operation of a motor servo circuit 3 for driving the reel motor 1, the capstan motor 2, etc., a signal processing circuit 4 for video signals and audio signals, a display drive circuit 5, a tuner circuit 6, etc. ing. In the system control microcomputer 7, as shown in FIG. 2, operation command signals from various operation switches 8 arranged on the front panel 110 and the rotary dial plate of the rotary dial operating device 10 are provided.
11 or the operation state signal of the dial operation ring 12 detected by the three optical sensors 13, 14, 15 by detecting the rotation operation state of the dial operation ring 12, and the operation command signal formed by the dial encoder microcomputer 8 and the remote operation device 200. The remote control signal is received by the receiving unit 16 and the operation command signal formed by the remote control microcomputer 17 is supplied.

In this embodiment, on the front panel 110 of the VTR main body 100, as shown in the front view of FIG. 2, a power switch 8A, a rewind operation switch 8B for setting various modes, a reproduction operation switch 8C, and a fast forward operation switch 8D. Various operation switches 8 such as a stop operation switch 8E and a temporary stop operation switch 8F are provided. Further, the front panel 110 is provided with an insertion port 111 for mounting a tape cassette and a receiving section 16 for remote control, a display section 112 for displaying a timer, and a sub panel 120 on the front right side. The rotary dial operating device 10 is provided in the. Further, the sub-panel 120 is formed to be openable and closable so that the upper end side of the sub-panel 120 is tilted forward with the lower end side thereof as an axis.
It is adapted to be opened and closed by pressing a pressing operation button 113 provided on 110. Then, the front panel 11
Various operation switches in the timer set mode and the timer reservation mode are provided in the portion of the 0 closed by the sub panel 120. Further, the front panel 11
In 0, an input switching operation switch 10s is provided in a portion closed by the opening / closing lid 114.

Further, as shown in the block diagram of FIG. 1, the remote control device 200 includes a rotary dial operation device 20 and three optical sensors 2 indicating the rotary operation state of the rotary dial operation device 20.
A dial encoder microcomputer 24 that forms an operation command signal of a predetermined operation mode that is detected by 1, 22, and 23 and is designated by various mode setting switches 25A and 25B,
The transmission encoder microcomputer 26 that forms a control command based on the operation command signal supplied from the dial encoder microcomputer 24, and the control command formed by the transmission encoder microcomputer 26 to the VTR main body 100 side. It is configured by a transmitting unit 27 that transmits to the receiving unit 16.

In this embodiment, the mode setting switches 25A, 25B
Has one end commonly connected to a power supply terminal and the other end connected to each input port of the dial encoder microcomputer 24 and diodes 25a and 25a.
It is connected to the interrupt port of the microcomputer 24 through the OR circuit by b. Further, issuing diodes 28A, 28B for displaying the operation mode set by operating the mode setting switches 25A, 25B are connected to the output port of the dial encoder microcomputer 24.

Then, the rotary dial operating device in this embodiment
As shown in FIG. 3 which is an exploded perspective view of FIG. 3 and FIG. 4 is a sectional view of the assembled state, 20 is a rotation unit rotatably supported by a bearing portion 202 provided on the base substrate 201. Inner rotary dial plate 2 with shaft 211 integrally formed in the center
10, a dial plate 221 that is rotatable around the rotary shaft 203 with the outer dial operation ring 220 being locked, and a cam shaft 231 that is inserted into a heart-shaped cam hole 222 formed in the dial plate 221. And a slide plate 230 provided.

The rotary dial operating device 20 is provided on the base substrate 201.
Optical sensors that optically detect the rotating operation state of the
Three through holes 205, 206, 207 in which 21, 22, 23 are arranged are formed.

Further, as shown in FIG. 5, the slide plate 230 is locked by a locking projection 203 provided on the base substrate 201 so as to be slidable in a radial direction passing through the bearing 202, and The elastic force is applied by the torsion coil spring 232. Then, the cam shaft 231 provided on the slide plate 230, as shown in FIG.
The inner surface of the heart-shaped cam hole 222 is abutted against the inner surface of the heart-shaped cam hole 222 by the elastic force Fo generated by the torsion coil spring 232.

Here, considering the case where the outer dial operation ring 220 is rotated by + θ ° and the cam shaft 231 is relatively at the position shown by the broken line in FIG. 7, the cam shaft 231 and the heart-shaped cam hole are considered. At the contact point with the inner surface of 222, the component force F ′ of the rotational torque F of the outer dial operating ring 220 and the component force F of the elastic force Fo applied to the slide plate 230 by the torsion coil spring 232 are balanced. It will be. When the rotating torque does not act on the outer dial operating ring 220, the cam shaft 231 is constantly returned to the tip position of the heart-shaped cam hole 222 by the elastic force of the torsion coil spring 232, and the outer dial operating ring 220 is The dial plate 221 provided is automatically returned to a predetermined rotation angle position. Then, the dial plate 221
In the state where the cam shaft 231 is returned to the tip position of the heart-shaped cam hole 222, the base substrate 201
At the position corresponding to the first and second through holes 204, 205 of
And second through holes 224 and 225 are formed.

Further, as shown in FIG. 7, the inner rotary dial plate 210 is provided with a cam surface 212 having a polygonal shape, for example, a regular hexagon, on its inner peripheral wall, and a cam roller 233 mounted on the cam shaft 231. Is brought into contact with the cam surface 212. Since the cam roller 233 is in contact with the cam surface 212 of the inner rotary dial plate 210, when the rotary operation is performed, the elastic force given to the cam shaft 231 by the torsion coil spring 232 causes Above cam surface 2
A click feeling is given by the torque change according to the shape of 12.

In this embodiment, the reflector 21 having a striped pattern as shown in FIG.
3 is attached to the inner rotary dial plate 210 in a ring shape, and as shown in FIG. 9, a striped reflection plate 226 in which black and white colors are alternately applied is ring-shaped on the dial plate 221. Pasted on.

Reflecting plates 213, 226 provided on the dial plates 210, 221
Three optical sensors 21,22,23 to detect the reflected light by
Supplies the detection outputs of the first and second optical sensors 21 and 22 having a phase difference of 90 ° to each other to the dial encoder microcomputer 24, and the third optical sensor 23 to the dial plate. The base substrate 201 is provided at each of the through holes 204, 205, and 206 positions so as to supply a detection output indicating that the 221 has been rotated to the dial encoder microcomputer 24.

In this embodiment, as shown in FIG. 10, the first to third optical sensors 21, 22 and 23 are photointerrupters composed of light emitting diodes 21A, 22A and 23A and phototransistors 21B, 22B and 23B, respectively. Is used. First above
The light emitting diode 21A and the phototransistor 21B constituting the optical sensor 21 are connected via a switching transistor 21a, 21b between the power supply and the ground, respectively, and the emitter of the phototransistor 21B is the micro for dial encoder. It is connected to one input terminal of the first input comparator 24A of the computer 24.
Further, the light emitting diode 22A and the phototransistor 22B constituting the second optical sensor 22 are connected via a switching transistor 22a, 22b between the power source and the ground, respectively, and the emitter of the phototransistor 22B is Microcomputer for dial encoder 24
Is connected to one input terminal of the second input comparator 24B. In addition, the light emitting diode 23A and the phototransistor 23B that constitute the third optical sensor 23 are
Is a switching transistor between the power supply and ground
23a and 23b, and the emitter of the phototransistor 23B is connected to one input terminal of a third input comparator 24C of the dial encoder microcomputer 24. The bases of the switching transistors 21a, 21b, 22a, 22b, 23a, and 23b are the microcomputers for the dial encoder 24.
Is connected to the open-drain output port 24D and is also connected to the power supply terminal via the dividing resistors 28 and 29. The midpoint of connection of the dividing resistors 29A, 29B is connected to the other input terminal of each of the input comparators 24A, 24B, 24C.

(G-2) Operation of the embodiment In this embodiment, in the remote controller 200, the normal dial encoder microcomputer 24 is in the standby state, and the power is off in the standby state. And the mode setting switch 25A, 25B
By the selection operation, the interrupt signal is input to the interrupt port of the dial encoder microcomputer 24 and the power is turned on, and the mode setting signal by the selection operation of the mode setting switches 25A and 25B is transmitted to the dial encoder microcomputer. It is input to 24 input ports and the operation mode is set.

Here, each of the light emitting diodes 28A, 28B for mode display connected to the output port of the dial encoder microcomputer 24 is normally off in the standby state described above, and the mode setting switches 25A, 25B are selected. When the operation mode is set by the operation, it is selectively turned on to display the operation mode. Further, in the dial encoder microcomputer 24, in the standby state, the high-drain open drain output port 24D is set to the operation mode to be in a low impedance state, and each switching transistor 21a shown in the tenth, 21b, 22a, 22b, 23a and 23b are turned on, and the optical sensors 21, 22 and 23 are in the operating state.

The dial encoder microcomputer 24 and the transmission encoder microcomputer
26 indicates JOG / SHUT as shown in the flow chart of FIG.
Depending on the selection operation of the TLE mode setting switch 25A or the timer channel mode setting switch 25B, JOG / SHUTT
The processing operation of the LE mode or the timer channel mode is performed, and the control command of the operation mode selected and set is transmitted from the transmission unit 27.

In this embodiment, the dial encoder microcomputer 24 includes the JOG / SHUTTLE mode setting switch 2
5A or timer channel mode setting switch 25B
When is operated, the interrupt is prohibited and the processing operation of the selected operation mode is started. It should be noted that before moving to the processing operation of the JOG / SHUTTLE mode, the still mode is specified once and the JOG / SHUTTLE mode is entered from the still state. Then, the processing of each operation mode is performed according to the rotating operation of the rotary dial operating device 20, as described later,
If the rotary operation of the rotary dial operation device 20 is not performed for a predetermined time, the interruption is released and the standby state is automatically restored.

In the processing operation of the JOG / SHUTTLE mode, the dial encoder microcomputer 24 operates in the JOG mode based on the detection output of the third optical sensor 23 that detects the reflected light of the reflection plate 226 provided on the dial plate 221. And SHUTT
When the LE mode is determined and, for example, the outer dial operating ring 220 of the rotary dial operating device 20 is rotationally operated, the mode is determined to be the SHUTTLE mode, and the pattern of the reflecting plate 226 is set to the optical sensors 21, 22. Based on each detection output as shown in FIG. 12 obtained by reading with 23,
For example, speed data A and B as shown in Table 1 which are preset according to the rotational angle position of the outer dial operation ring 220 are supplied to the transmission encoder microcomputer 26 together with the operation direction data D.

The transmission encoder microcomputer 26 reproduces in accordance with the rotational angle position of the outer dial operation ring 220 based on the speed data A and B and the operation direction data D supplied from the dial encoder microcomputer 24. SHUT to command movement direction and playback speed
A control command for the TLE mode is formed and supplied to the transmission unit 27.

Further, the dial encoder microcomputer 8 operates in the JOG mode when the inner rotary dial plate 220 is rotated without rotating the outer dial operation ring 220 in the state where the JOG / SHUTTLE mode is set. Each of the through holes 2 formed in the dial plate 221 is judged.
Reflector 213 of the inner rotary dial plate 210 through 23,224
The inner rotary dial plate based on the detection outputs obtained by detecting the reflected light by the optical sensors 21 and 22.
Speed data A and B indicating the rotation direction and rotation speed of 210
And the direction data D are supplied to the transmission encoder microcomputer 26. That is, the dial encoder microcomputer 24 causes the first optical sensor 21 to rotate when the inner rotary dial plate 210 is rotated.
If the level of the output waveform detected by the second optical sensor 23 at the rising change point of the output waveform detected by the above is "H" as shown in FIG.
It is determined that 210 has been normally rotated, and if it is "L" as shown in FIG. 13B, it is determined that the inner rotary dial plate 210 has been reversely rotated. Further, the dial encoder microcomputer 24 includes the inner rotary dial plate.
The inner rotary dial plate 210 is used to measure the time by using the interval between the rising change points of the detection output waveform as shown in FIG. 13C by the first optical sensor 21 when the 210 is rotated. Is calculated, and speed data A and B as shown in Table 2 are supplied to the transmission encoder microcomputer 26.

The transmission encoder microcomputer 26 receives the speed data A and B and the operation direction data D supplied from the dial encoder microcomputer 24.
On the basis of the above, the JOG mode control command for instructing the reproduction operation direction and the reproduction speed according to the rotation operation direction and the rotation speed of the inner rotary dial plate 210 is formed to form the transmission unit 2
Supply to 7.

Then, the transmission unit 27 uses the SHUTTL mode or the SHUTTL mode supplied from the transmission encoder microcomputer 26.
The control command for specifying the JOG mode is divided into a command d indicating the reproduction operation direction and a command s indicating the reproduction operation speed. For example, as shown in FIG. Split transmission. The frame feed command is issued by transmitting only the direction command d, and the still reproduction command is issued by transmitting only the speed command s.

Here, the control command for remote operation transmitted from the transmission unit 27 is a VT capable of remote control which is conventionally used.
It has a conventional coding system and format that does not change the operation processing algorithm of R. It should be noted that the order of the commands d and s to be time-divisionally transmitted from the transmission unit 27 may be either first, but if the immediately preceding command is in the same direction, the speed command s It is preferable to prioritize and transmit the command d in the direction with priority if the directions are different. Further, if the speed is the same, only the command d for the direction may be transmitted, and if the speed is the same, only the command s for the speed may be transmitted. Furthermore, in order to prevent malfunction due to mechanical transition time on the VTR main body 100 side or noise interference, it is preferable to repeatedly transmit the direction command d and the speed command s with a cancel time Tc. In the frame feed control in the JOG mode, if the still reproduction mode is mixed, the reliability of remote operation can be increased.

Then, on the VTR main body 100 side, the receiving unit 16 receives the control command sent from the sending unit 27 of the remote operation device 200, and operates the playing operation direction and the playing operation speed specified by the control command. The command signal is formed by the remote control microcomputer 17, and the system control microcomputer 7 controls the operation of the motor servo circuit 3, the signal processing circuit 4, the display drive circuit 5, etc. Device 200
JO according to the rotation operation of the rotary dial operation device 20 installed in
The operation control of G mode or SHUTTLE mode is performed.
The remote control microcomputer 17 on the VTR main body 100 side reads each command d, s after confirming the cancel time Tc to reduce the influence of chattering and noise, and each command d,
s can be reliably received.

In the embodiment as described above, for example, in the case of performing an operation for finding a target editing point for a recorded video tape, by rotating the outer dial operation ring 220 of the rotary dial operating device 20 provided in the remote operation device 200, Perform high-speed playback in SHUTTLE mode, run the tape near the frame of the above-mentioned editing point, and then
It is possible to find the frame of the target edit point by rotating the inner rotary dial plate 210 to slightly feed in the JOG mode. When the rotating operation of the outer dial operating ring 220 in the SHUTTLE mode is released, the inner surface of the heart-shaped cam hole 222 formed in the dial plate 221 provided in the outer dial operating ring 220 is elastically pressed against the inner surface of the dial plate 221. Since the dial plate 221 is automatically returned to the predetermined rotation angle position by the cam shaft 231, the operation in the JOG mode can be immediately started. In addition, the inner rotary dial plate 210
When turning to make a small feed in the JOG mode, a click feeling is given by a torque change according to the shape of the cam surface 212 of the inner rotary dial plate 210 as described above, and thus the frame of the target edit point is Inner rotating dial plate
Positioning can be performed very easily by rotating 210.

Further, in the processing operation of the timer channel mode, the dial encoder microcomputer 24 detects the light reflected by the reflection plate 213 of the inner rotary dial plate 210 by the optical sensors 21 and 22. Based on the output, the direction data D indicating the rotating operation direction of the inner rotary dial plate 210 is supplied to the transmission encoder microcomputer 26 for each unit rotation angle (for example, 30 °) of the inner rotary dial plate 210.

The transmission encoder microcomputer 26, based on the rotational operation direction data D supplied from the dial encoder microcomputer 24, outputs a VTR according to the rotational operation direction for each unit rotational angle of the inner rotary dial plate 210. According to the timer channel setting program of the main body 100, a timer channel mode control command that advances the set value of the recording timer or the receiving channel by "+1" or "-1" (for example, the inner rotary dial plate 210 is rotated clockwise). Control command up to step forward by "+1" when it is rotated in the direction,
When the inner rotary dial plate 210 is being rotated counterclockwise, a control command dw) for incrementing by "-1" is formed and supplied to the transmitter 27.

Then, the transmitting unit 27 repeatedly transmits the control command up or dw in the timer channel mode supplied from the transmitting encoder microcomputer 26, every three frames with a cancel time Tc of three frames at intervals. To do.

Then, on the VTR main body 100 side, the control command up or dw control command of the timer channel mode sent from the transmitter 27 of the remote control device 200 is received by the receiver 16
The remote control microcomputer 17 receives the operation command signal of the timer channel mode specified by the control command, and the system control microcomputer 7 operates the timer control mode according to the timer channel setting program. Set the receive channel value to "+1" or "-1"
Step by step and set timer channel for recording reservation.

H Effect of the Invention As is apparent from the above description of the embodiments, in the remote control device and the video reproducing system of the video reproducing device according to the present invention,
In the remote control device, the signal processing means that operates by selecting the mode setting switch forms a control command for a predetermined operation mode in response to the rotating operation of the rotary dial and transmits it to the video reproducing device. It is possible to easily perform the above-mentioned operation, reduce power consumption due to useless operation, and perform remote operation control of various operation modes such as variable speed reproduction operation and timer operation of the video reproduction apparatus by rotating the rotary dial.

[Brief description of drawings]

1 to 15 show an embodiment of a video tape recorder to which the present invention is applied, and FIG. 1 is a block diagram showing an electrical configuration of the video tape recorder of this embodiment. FIG. 3 is an external perspective view of the video tape recorder of the above embodiment, FIG. 3 is an exploded perspective view showing the structure of the rotary dial operating device provided in the remote control device of the above embodiment, and FIG. FIG. 5 is a cross-sectional view of an essential part of a rotary dial operating device, FIG. 5 is a schematic plan view of a base substrate in a state where a slide plate that also constitutes the rotary dial operating device is mounted, and FIG. FIG. 7 is a schematic plan view of the dial plate mounted on the outer dial operating ring which also constitutes the rotary dial operating device, and FIG. 7 shows the inside of the rotary dial operating device which also constitutes the rotary dial operating device. FIG. 9 is a schematic plan view showing a shape of a cam surface formed on the rotary dial plate, and FIG. 8 is a schematic plan view showing a code pattern of a reflection plate provided on the inner rotary dial plate. Similarly, the figure is a schematic plan view showing the code pattern of the reflector provided on the dial plate attached to the outer dial operation ring,
FIG. 11 is a circuit diagram showing a connection state of each optical sensor in the above embodiment, and FIG. 11 is a flow chart showing operations of the dial encoder microcomputer and the remote control microcomputer of the remote control device in the above embodiment. FIG. 12 is a waveform diagram showing each detection output obtained by each optical sensor in accordance with the rotation operation of the outer dial operation ring in the above embodiment, and FIG. 13A, FIG. 13B and FIG. FIG. C is a waveform diagram showing each detection output obtained by each optical sensor by rotating the inner rotary dial plate in the above embodiment,
FIG. 14 and FIG. 15 are signal waveform diagrams schematically showing the transmission output of the transmission section of the remote control device. 7,9,17,24,26 …… Microcomputer, 10,20 …… Rotary dial operation device, 13,14,15,21,22,23 …… Optical sensor, 25A, 25B …… Mode setting switch, 27 …… Transmitter, 100 …… VTR main unit, 200… Remote control device, 210 …… Inner rotating dial plate, 220 …… Outer dial operating ring

Claims (2)

[Claims] 1. A rotary dial rotatably provided, rotation detecting means for optically detecting rotation of the rotary dial, and a mode for selectively designating a first operation mode and a second operation mode. It operates by operating the setting switch and the mode setting switch, and in the first operation mode, based on the detection output of the rotation detecting means, a control command for designating the operating direction and the operating speed in accordance with the rotational operation of the rotary dial is issued. Signal processing means for forming a control command for designating a stepping motion for each unit rotation angle in accordance with the rotation operation of the rotary dial based on the detection output by the rotation detection means in the second operation mode; Transmission means for transmitting a control command formed by the signal processing means, and the first operation mode or the first operation mode designated by the mode setting switch. The operating mode control commands for sending to the image reproducing apparatus from said transmitting means, the remote control device of the video reproducing apparatus is characterized in that to perform the remote control of the video reproduction apparatus. 2. A rotary dial rotatably provided, rotation detecting means for optically detecting rotation of the rotary dial, and a mode for selectively designating a first operation mode and a second operation mode. It operates by operating the setting switch and the mode setting switch, and in the first operation mode, a control command for designating an operating direction and an operating speed in accordance with the rotating operation of the rotary dial based on the detection output of the rotation detecting means. And a signal processing means for forming a control command for designating a stepping motion for each unit rotation angle in accordance with the rotation operation of the rotary dial based on the detection output by the rotation detection means in the second operation mode. A remote operation device comprising a transmission means for transmitting a control command formed by the signal processing means, and a first operation unit for transmitting from the transmission section of the remote operation device. Receiving unit for receiving the control commands for the second operation mode and the second operation mode, a video reproduction unit having a variable speed reproduction function, and the video reproduction according to the control command for the first operation mode received by the reception unit. Means for controlling the variable speed reproduction operation of the means, and control means for performing control to advance the set value in accordance with the control command of the second operation mode. Receiving a control command of the first operation mode or the second operation mode designated by the mode setting switch transmitted from the remote operation device, and performing a variable speed reproduction operation in accordance with the control command of the first operation mode. And a step-by-step operation of a set value according to a control command of the second operation mode.