JP3203700B2 - Remote control device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wired remote control device in which the operation of a small device such as a headphone stereo is controlled by a remote control provided in the headphone cord.

[0002]

2. Description of the Related Art In recent years, a remote control device for a small-sized sound reproducing device such as a headphone stereo has generally been provided in the middle of a headphone or an earphone cord, and due to its configuration, a small size and multifunctionality are required. . Regarding the configuration, various types of connection cords have been proposed, such as one that also serves as a speaker connection cord for headphones and one that uses a multi-pole jack to make the connection cord multi-core. Also,
As for the operation keys of the remote control unit, a method of providing a plurality of operation keys without increasing the number of connection codes, a method of performing a multi-function operation with one operation key, and a method of using a multi-core code to operate a large number of operation keys. What has made operation possible is proposed.

Recently, there has been proposed a remote control unit provided with a small liquid crystal display so as to display the operation state of the main unit. Such a remote control device requires a power supply for the liquid crystal display,
It is necessary to provide a dedicated power supply battery in the remote control unit or to supply power to the main unit by a dedicated code.

[0004]

As a matter of course, a remote control device having such a display device needs to receive operating state information from an apparatus main body to be displayed on the display device, and requires an operation key. Operation itself has become multifunctional, requiring a large number of control communication lines or a complicated circuit configuration. Therefore, a device using a microcomputer has been proposed as a control means of the remote control unit. In this case, if a single circuit is used to simplify the connection line for communication, the control means of the remote control unit and the main unit are not provided. There has been a fatal problem that there is a possibility that the control means may be operated independently and transmit at the same time, in which case communication becomes impossible.

SUMMARY OF THE INVENTION In view of the above problems, the present invention enables reliable communication even if the communication connection line is a single circuit, and can cope with a plurality of operation keys without increasing the number of connection lines. Moreover, it is an object of the present invention to provide a remote control device capable of displaying operation information of the device main body obtained by communication with the device main body on a remote control unit.

[0006]

In order to solve the above-mentioned problems, a remote control device according to the present invention has a predetermined operation key and is driven by a remote control unit which is driven by a power supply of the device main body. A wired remote control device adapted to control display means, wherein the remote control unit includes, in addition to the operation keys, voltage detection means for detecting that a power supply voltage of the device main body side has exceeded a specified value. Display means capable of displaying at least a part of the operating state of the device main body, and instructing the device main body with control information by the operation keys and inputting information on the operating state of the device main body to correspond to the operating state Remote control section control means for instructing the display means to perform display control to be performed. On the other hand, the device main body controls the drive means or display means of the device main body in accordance with the operation keys of the remote control section. And the apparatus main body side control means for transmitting to the remote control unit the information of operating conditions of the apparatus body side along with,
Different voltages in response to the transmission state of the apparatus main body controller and a power supply means for supplying the remote control unit, the control to wait by the output of the voltage detecting means to transmit the control command to the device main body from the remote control unit It is configured to do so.

[0007]

According to the present invention, when the power supply voltage supplied to the remote control section is transmitted from the main body section, the voltage of the power supply section is switched by the control output of the apparatus main body side control section. By monitoring the output, it is possible to grasp the status of the control unit on the main unit side, it is possible to communicate with each other without collision of the transmission outputs, and the display unit of the remote control unit corresponds to the operating state of the device main unit Display can be performed.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the remote controller according to the present invention will be described below.
This will be described in detail with reference to the drawings.

FIG. 1 is a block diagram showing a remote control device of a headphone stereo with a radio receiver according to a first embodiment of the present invention.

In FIG. 1, reference numeral 1 denotes a remote controller, and the remote controller 1 has a remote control operation key 2; 2a, an operation key for controlling the operation of a tape mechanism; and 2b, an operation key for controlling a sound quality switching operation. Reference numeral 2c denotes operation keys for controlling a radio reception operation. Reference numeral 3 denotes display means provided on the remote control unit 1, which is constituted by a liquid crystal display or the like, and performs a display corresponding to an operation state of a device main body 16 described later. Reference numeral 5 denotes a remote control unit-side control unit using a microcomputer or the like.
Is input to the display means 3 to input information on the operating state of the side and to perform display control corresponding to the operating state. Reference numeral 4 denotes a communication input / output unit provided in the remote controller control unit 5, which is set to an output mode or an input mode by the remote controller control unit 5, and is connected to the device body 16.

Reference numeral 16 denotes a device main body, 15 denotes a device main unit side tape section control means using a microcomputer or the like constituting the device main body 16, and 13 denotes a communication input provided in the device main body side tape section control means 15. An output unit, which is set to an output mode or an input mode by the tape control unit 15 on the device body side. Reference numeral 19 denotes an operation key connected to the device body side tape unit control means 15, and 19a denotes a PLA.
Y key, 19b is STOP key, 19c is FF key, 1
9d is a REW key. Reference numeral 18 denotes a mechanism control unit for controlling a mechanism driving unit (not shown) including a motor, a solenoid, and the like, which is controlled by the device main unit side tape unit control unit 15. Reference numeral 8 denotes a power supply for the device main body 16, which also supplies power to the remote controller 1 through the connection lines 17a and 17c. Reference numeral 17b denotes a communication connection line, which is connected to the connection line 17a and 17c.
And is used for control communication between the remote controller section control means 5 and the apparatus body side tape section control means 15.

Reference numeral 7 denotes a power supply boosting means which receives the voltage of the power supply 8 of the apparatus main body 16 as an input. Reference numeral 6 denotes a voltage detecting means provided in the remote control unit 1, which has a threshold value higher than the voltage of the power supply 8 of the device main body 16 and lower than the output voltage of the boosting means 7. Reference numeral 9 denotes a power supply voltage control means, which receives the voltage of the power supply 8 of the device main body 16 and the output voltage of the power supply voltage boosting means 7 as inputs, and normally outputs the voltage of the power supply 8 when the control input 9d has an input. Only the output voltage of the power supply boosting means 7 is output. Reference numeral 10 denotes a power supply voltage detecting means, which is a voltage V on the output side 9c of the power supply voltage control means 9.
1 and the voltage V0 of the power supply 8 of the device body 16 are input, and V
Only when the voltage relationship of 1> V0 is satisfied, the detection signal is output. Reference numeral 11 denotes a control output part of the control input 9d of the power supply voltage control means 9 when the equipment body 16 transmits, 12 denotes an input part for reading the output level of the power supply voltage detection means 10, and 14 denotes a transmission signal of the remote control part. Is a control means for controlling the power supply control means 9 to switch the output of the power supply means to the boost side.

Reference numeral 25 denotes a radio control unit provided in the radio unit 26. 29 is a main operation key of the radio unit 26. 29a is a radio on / off key.
29b is a band change key, and 29c is a memory select key. Reference numeral 27 denotes an operation display means of the device main body 16, which performs a radio operation display when receiving a radio signal and a tape operation display when driving a tape. An output unit 21 outputs a control signal to the control input 9d of the power supply voltage control unit 9 when the radio unit 26 transmits, an input unit 22 reads an output level of the power supply voltage detection unit 10,
Reference numeral 23 denotes an output unit for transmitting a radio operation state to the remote control unit 1; and 24, an output unit for outputting at the time of radio reception and transmitting the radio reception state to the device main body control unit 15. Reference numeral 28 denotes an input unit for a radio on / off signal from the device main unit control means 15, which is connected in parallel with the radio on / off key 29a. Reference numeral 30 denotes a data format 2 transmitted from the device body side tape unit control means 15.
This is an input unit for receiving data (described later).

Here, the device main body 1 is
The data format transmitted from the remote controller control unit 5 as control information for the control unit 6 will be described. As shown in FIG. 3, the data format includes a data format 1 and a data format 2. The data format is the operation key 2 of the remote controller 1.
At the time of pressing operations a, 2b, and 2c, the remote controller control means 5 determines which type to use and generates the data. The data format 1 is data of a format in which the same time output as the pressing operation time of the operation key 2 is output. Therefore, in correspondence with a plurality of function operations in each mode of the operation keys 2a and 2c, a plurality of times depending on the number of times of pressing or a plurality of times. Control information can be generated. On the other hand, the data format 2 is data in a format in which short-time data encoded for one key operation is output once, and the control information of the data format 2 is based on the current mode of the device body 16. This is generated when the operation keys 2a, 2b, 2c for selecting different modes are operated. Regarding the generation of the data format 1 by the remote control unit-side control means 5, for example, the detection of the number of presses is determined based on the pressed state within one second. A plurality of types of control information are obtained by the combination. The encoded data of the data format 2 is stored in advance in the remote controller control unit 5.

As described above, in the present embodiment, the device main body side control means in the device main body 16 is constituted by the device main body side tape section control means 15 and the device main body side radio section control means 25. The display on the display means 27 of the device main body 16 is also performed via the device main body side radio section control means 25 for the display of the drive state of the tape mechanism. The control signal from the remote control unit 1 is once input to the device main unit side tape unit control means 15 even if it is a content related to radio reception, and is controlled via the device main unit side tape unit control unit 15. Means 2
5 will be forwarded.

The operation of the remote control device configured as described above will be described below with reference to flowcharts shown in FIGS. 2 and 3 show the control flow of the remote control unit-side control means 15, FIGS. 4 and 5 show the control flow of the equipment body-side tape unit control means, and FIG. 6 shows the control flow of the equipment body-side radio unit control means. FIG. 7 is a timing chart of a data format used in communication in the present invention.

In FIG. 2 and FIG. 3, first, it is confirmed whether or not the remote control unit 1 is connected and there is an output of the voltage detecting means 6 (step 1).
Next, transmission request data is transmitted to display the current main body operation state data on the device main body 16 (step 2). Next, it is confirmed whether or not data from the device main body 16 has come (step 3).
Check if a, 2b, 2c is not pressed (step 4). If not, check received data (step 3).
repeat.

Next, if there is received data in (step 3) (in FIG. 3), the received data is fetched (step 12), and subsequently (step 13), the type of the received data is determined, and At the time of the sound quality data, a sound quality pattern is displayed on the display means 3 of the remote controller 1 (step 1).
4). On the other hand, when the received data is the tape mechanism operation data in (step 13), the tape operation is displayed on the display means 3 via (step 15) (step 16), and the remote controller informs that the main body operation mode is the tape mode. It is stored in the memory of the section control means 5 (step 17). Also,
When the received data is other than the above, it is the data from the radio unit 26, and proceeds from (Step 15) to (Step 18) to display the radio operation on the display means 3 and store that the main unit operation mode is the radio mode. (Step 19). After performing the above processing, the process returns to (Step 3) to check the received data.

Next, if there is no received data in (Step 3), the operation proceeds to (Step 4), and if there is a key input, the operation proceeds to (Step 5), and it is confirmed whether or not there is an output of the voltage detecting means 6 and output. If there is, wait until it disappears.
When the output of the voltage detecting means 6 disappears in (Step 5),
It is checked whether the mode data of the device main body 16 stored in the remote controller 5 is in the radio mode (step 6). If the mode data is the radio mode, the process proceeds to (step 20) in FIG. In step (21), it is determined which of the three operation keys 2a to 2c has been pressed. When the radio operation key 2c is pressed, the radio operation data is transmitted in the data format 1 (step 24). When the sound quality operation key 2b is pressed, the sound quality scroll data is transmitted in the data format 2 (step 22). When the tape operation key is pressed, direct playback data is converted to data format 2.
(Step 23). Then (Step 3)
To check whether there is no received data.

Next, a case where the current mode is the tape mode will be described. (Step 6) to (Step 7)
To (Step 7) and the next (Step 8)
It is determined which of the two operation keys 2a to 2c has been pressed. That is, when the tape operation key 2a is pressed, the tape operation data is transmitted in the data format 1 (step 1).
1) When the sound quality operation key 2b is pressed, the sound quality scroll data is transmitted in the data format 2 (step 9), and when the radio operation key 2c is pressed, the radio on data is transmitted in the data format 2 (step 10). ). Thereafter, the flow returns to (Step 3) to determine whether or not there is received data.

The above is the description of the operation of the remote controller control means 5 for controlling the device main body 16 by the operation keys 2 in the remote controller 1.

Next, the operation of the tape control unit 15 will be described with reference to FIGS.

First, in FIG. 4, it is checked whether or not there is received data from the remote controller 1 (step 25). If there is no data, the operation keys 19a on the device main unit side connected to the tape control unit 15 on the device main unit side are checked. ~ 19d PLA
It is checked whether each of the Y, STOP, FF, and REW keys has been pressed (step 26). The operation keys 19a to 1
If there is no input of 9d, the radio unit control means 2 on the device body side
5 is confirmed (step 27), and when there is a radio state input, the radio mode is stored in the tape control means 15 on the device body side (step 2).
8) When there is no radio status input, the tape mode is stored in the tape section control means 15 on the device main body side (step 29),
The received data is confirmed again (step 25).

On the other hand, if there is data in (step 25), the data format is confirmed (step 34). If the data format is 1, the mode stored in the tape control means 15 on the device body side is not the radio mode. (Step 35), and if the mode is the radio mode, the process proceeds to (step 52) (FIG. 5) to perform transmission preparation processing, and the data format is input to the data input section 30 of the radio control section 25 of the apparatus main body. In step 2, the data is converted into the data format 2 according to the number of times the radio key 2c of the remote controller 1 is pressed and transmitted (step 53), and the process returns to (step 25) to check the received data.

Here, the transmission preparation process (step 52) will be described with reference to FIG. The device main body side tape section control means 15 confirms the output of the power supply detecting means 10 through the input section 12 and the apparatus body side radio section control means 25 through the input section 22, and if there is a voltage detection, that is, if any communication is currently performed. If there is, the operation waits until there is no input due to the voltage detection (step 70). Then, when the voltage detection is lost, in order to perform the next transmission, the device main unit side tape unit control unit 15 outputs through the output unit 11 and the device main unit side radio unit control unit 25 outputs the output unit 21.
To switch the output of the voltage control means 9 to the step-up power supply side (step 71) to notify the transmission destination that it is about to enter the communication state. Such transmission preparation processing is performed by the device body side control means 15, 25.
When transmitting data, it follows this procedure.

When the mode is confirmed in the above (step 35) and the tape mode is selected, the operation proceeds to (step 36), and the mechanism driving means of the main body 16 of the apparatus is operated in accordance with the number of times of pressing the tape key 2a of the remote controller 1. 18 performs a predetermined tape operation process. Next, after the transmission preparation processing in (Step 37), in (Step 38), the communication input / output unit 13 provided in the device body side tape unit control means 15 is output to the remote control unit 1, and to the radio unit 26. The same tape operation data is transmitted in data format 2 to the data input section 30 of the radio control section 25 of the apparatus main body. Thereafter, the flow returns to (Step 25) to check whether or not there is received data.

If there is a key input in the above (step 26), the mode stored in the tape section control means 15 on the device main body side is confirmed (step 30). The tape unit control unit 15 outputs the data format 1 for radio off to the radio on / off input 28 of the radio unit control unit 25 on the apparatus main body side (step 31), and turns off the radio unit 26, The tape mode is stored in the tape section control means 15 (step 32). If the tape mode is selected at the time of the mode check (Step 30), the above-mentioned (Step 31) and (Step 32) are not performed, and the mechanism driving means 18 is moved to a predetermined tape in accordance with the pressed operation key (at Step 26). An operation process is performed (step 33), and the operation proceeds to the operations of the above (step 37) and (step 38).

If the received data format is format 2 in the above (step 34), the process proceeds to (step 39) in FIG.
In steps (step 41) and (step 47), the received data is determined and a process corresponding to the input is performed. 40) to perform the transmission processing from the above (Step 37). Next, if the data is transmission request data (step 4
1) The current mode is determined (step 44). In the tape mode, transmission preparation (step 42) is performed, and then the remote controller 1
To the tape operation data in data format 2 (step 4)
3) In the radio mode, the transmission request data of the radio operation data is transmitted in the transmission data format 2 to the data input unit 30 of the radio control unit 25 of the apparatus main body (step 4).
6) Yes. If the data is not the above two data, the current mode is determined (step 47). If the data is in the tape mode, the radio key 2c is operated during the tape operation. The data is transmitted in a format 1 to the radio on / off input 28 of the radio control unit 25 of the apparatus main body. Then, after the transmission processing of (Step 43), (Step 46), and (Step 49), the flow returns to (Step 25) to perform the processing of confirming whether or not there is received data.

Finally, in the radio mode (step 47), the radio-off data is sent in the data format 1 to the radio on / off input 28 of the radio control section 25 of the device main body (step 50). The PLAY process is performed by the mechanism driving means 18 of the device body 16 (step 51), and the process returns to (step 37) to perform the transmission process.

The above is the description of the operation of the device body side tape section control means 15. Next, the apparatus body side radio section control means 25 will be described with reference to FIG.

First, it is confirmed whether data has been transmitted from the tape control means 15 on the device main body side (step 54).
If there is no data, the radio control unit 25 on the device body side
It is checked whether the radio on / off key 29a, the band change key 29b, and the memory select key 29c among the operation keys 29 connected to are input (step 55). The presence or absence of an input to the radio on / off input 28 of the control means 25 is confirmed (step 56), and if there is no input (step 54), the process returns to confirm the presence or absence of received data. If there is an input, check whether the radio is currently operating (step 5).
7) If the radio is in operation, the radio unit control means 25 performs a radio off process (step 58), and turns off the output unit 24 for transmitting the radio state to the tape unit control means 15 (step 59). , (Step 54) to perform the received data confirmation processing. Also, (step 57)
If the radio operation is stopped, the radio section control means 25 performs a radio-on process (step 60), and turns on the output section 24 for transmitting the radio state to the tape section control means 15 (step 61). Preparation for transmission (Step 6
2) After the radio operation data is transmitted (step 63),
Then, the process returns to (Step 54) to perform the reception data confirmation processing.

If there is received data in the above (Step 54), the data is determined in (Step 64), (Step 65), and (Step 66). If the data is transmission request data, the process proceeds to (Step 62). The transmission process is performed, and if the data is a band change (step 65), the band change process is performed by the radio control unit 25 on the device body side (step 67), and then the transmission process from (step 62) is performed. On the other hand, if the data is a memory select, a memory select process is performed by the radio control unit 25 on the device main body side (step 66), and thereafter a transmission process from (step 62) is performed.

If there is an operation input of the main body operation key 19 of the radio unit in the above (step 55), (step 6)
8) and (Step 69), the key is determined. If the key is the band key 19b, the process proceeds from (Step 68) to (Step 6).
Proceeding to 7), a band change process is performed, and if it is the memory select key 19c, from (step 69) to (step 6)
Proceeding to 6), a memory select process is performed. In the case of the radio on / off key 19a, the process proceeds from (Step 69) to (Step 57) to perform a radio operation control process.

According to the control flow described above, when transmitting from the control means 5 of the remote control unit 1 (step 5), it is determined that the two control means 15 and 25 on the device main body 16 side are not transmitting, by the voltage detection means 6 After the transmission is confirmed, the control unit 14 detects this transmission signal and controls the power supply control unit 9 to switch the output of the power supply unit to the step-up side, thereby informing the main body of the apparatus that the transmission is being performed. When transmitting from the device body side tape section control means 15, the remaining two control means 5 and 25 are set in each state of (Step 37), (Step 42), (Step 45), (Step 48) and (Step 52). The voltage detecting means 1 is not transmitting.
After the output of "0" is confirmed by the tape section control means 15, transmission is performed. When transmitting from the radio control section 25 on the device body side, the output of the voltage detection section 10 is checked by the radio section control section 25 to confirm that the other two control sections 5 and 15 are not transmitting (step 62). And then send. Here, the power supply control means 9 is controlled by the output unit 11 when transmitting from the equipment main body side tape unit control means 15 and by the output unit 21 when transmitting from the equipment main body side radio unit control means 25. By switching to the boosting side, it can be notified that the device main body 16 is transmitting.

As described above, according to this embodiment, the state of the transmission destination can be confirmed in advance when the remote control unit transmits, so that simultaneous transmission and communication failure do not occur.

In the above embodiment, the case where the device main body 16 is composed of two control units, ie, the device main unit side tape unit control unit 15 and the device main unit side radio unit control unit 25, has been described. May not have the radio section 26. In this case, it is controlled only by the remote controller 5 and the device body tape controller 15,
The control flow is as shown in FIG. 9 and FIG. That is, FIG. 9 shows a control flow of the remote control unit control means 5, and only the control processing unit related to the radio operation in FIGS. 2 and 3 is omitted, so that the detailed description is omitted. I do. FIG. 10 shows a control flow performed by the tape control unit 15 on the apparatus main body side. Since only the control processing unit related to the radio operation in FIGS. 4 and 5 is omitted, the details are omitted. Description is also omitted.

[0037]

As described above, according to the present invention, the remote control unit includes, in addition to the operation keys, voltage detecting means for detecting that the power supply voltage on the device main body side has exceeded a specified value, and at least the device. A display means capable of displaying a part of the operation state of the main body, and a display control corresponding to the operation state by inputting information on the operation state of the apparatus main body while instructing the control information by the operation keys to the apparatus main body, The remote control unit side control means for instructing the display means, while the device body includes
A control unit for controlling a driving unit or a display unit of the main unit in response to the operation key of the remote control unit and transmitting information on an operation state of the main unit to the remote control unit; Power supply means for supplying a different voltage to the remote controller according to the transmission state of
Since it is configured to transmit the control command from the remote control unit to the apparatus main body to perform control of waiting the output of the voltage detecting means, the transmission state of the main body side by a remote control unit for monitoring the voltage detecting means output before transmission This makes it possible to grasp each other, and to ensure mutual communication even if the communication connection line is a single circuit without causing any collision of transmission outputs at any timing.

Further, as a result of the mutual communication, the operation state of the device main body can be grasped as data by the remote controller.
Depending on the operation status of the main unit, different data outputs can be transmitted with a single remote control key, making it possible to easily achieve multi-functionality of the remote control. In addition, the operation information of the main unit obtained by communicating with the main unit Is provided on a remote control unit.

[Brief description of the drawings]

FIG. 1 is a block diagram of a remote control device according to a first embodiment of the present invention.

FIG. 2 is a control flowchart of a remote control unit according to the first embodiment of the present invention;

FIG. 3 is a control flowchart of a remote control unit according to the first embodiment of the present invention;

FIG. 4 is a flowchart of a tape control unit of the device main body side.

FIG. 5 is a flowchart of a tape unit control unit of the device main body side.

FIG. 6 is a flowchart of a control unit of a radio unit of the apparatus main body;

FIG. 7 is a common flowchart of the control means.

FIG. 8 is a timing chart of a data format used for communication control.

FIG. 9 is a flowchart of a remote controller control unit according to the second embodiment of the present invention.

FIG. 10 is a flowchart of a tape unit control means of the device main body side.

[Description of Signs] 1 Remote control unit 2 Remote control unit operation keys 3 Display unit 5 Remote control unit side control unit 6 Remote control unit voltage detection unit 7 Power supply boosting unit 8 Main unit side power supply 9 Power supply control unit 15 Equipment main unit side tape unit control unit 18 Mechanism unit 25 Radio control unit for device main unit 27 Display unit

────────────────────────────────────────────────── ─── Continued on the front page (58) Fields investigated (Int. Cl. ⁷ , DB name) G11B 15/02 G11B 15/10 G11B 19/00-19/18 G11B 33/00-33/08 G11B 33 / 12-33/14 H03J 9/00-9/06 H04Q 9/00-9/16

Claims (5)

(57) [Claims] 1. A wired remote control device having a predetermined operation key and controlling a driving unit or a display unit of the device main body by operating a remote control unit driven by a power supply of the device main body side, The remote control unit includes, in addition to the operation keys, a voltage detection unit that detects that a power supply voltage of the device main body has exceeded a specified value, and a display unit that can display at least a part of an operation state of the device main body. And remote control unit-side control means for instructing the device body with control information by the operation keys and inputting information on the operation state of the device body side to instruct the display means to perform display control corresponding to the operation state. On the other hand, the device main body controls the driving means or the display means of the device main body in accordance with the operation keys of the remote control unit, and transmits information on the operation state of the device main body to the remote control unit. A main body controller, the different voltages in response to the transmission state of the apparatus main body controller and a power supply means for supplying the remote control unit, the voltage detecting means to transmit the control command to the device main body from the remote control unit the remote control device being characterized in that configured to perform control to wait by the output. In between the 2. A device main body and the remote control unit,
The transmission and reception of the command signal and the information signal to the remote control unit of the operating state of the apparatus body side to the device main body of the control information by the operation keys performed by the at least remote unit side controller was configured to perform by the one communication connection line The remote control device according to claim 1, wherein: 3. The power supply means comprises: a power supply control means for detecting a transmission state of the device main body side control means and switching a power supply voltage; and a power supply boosting means for supplying a boosted power supply at the time of switching. The remote control device according to claim 1. 4. An apparatus main body is provided with a detecting means for detecting when control information by an operation key of a remote controller is instructed to the apparatus main body, and the output of the detecting means waits for transmission of the apparatus main body side control means. 2. The remote control device according to claim 1, wherein the remote control device is in a state. 5. A wired remote control device having predetermined operation keys and controlling a driving means or a display means of an apparatus main body by operating a remote control unit provided in the middle of a headphone or an earphone cord, In the remote control unit, a plurality of operation keys corresponding to the selection mode of the device main body and a power supply voltage of the device main body are regulated.
Voltage detecting means for detecting that the value has become equal to or more than a predetermined value; display means for displaying at least a part of the operation state of the device main body; display information on the display means and control information on the device main body by the operation keys And a remote control unit-side control means for instructing the device body with control information by the operation keys and inputting information on the operation state of the device body side and instructing the display means to perform display control corresponding to the operation state. On the other hand, the device main body controls driving means or display means of the device main body with control information by operation keys of the remote control unit through mutual communication with the remote control unit side control means, and also displays information on the operation state of the device main body side. The device body side control means for transmitting to the remote control unit and the transmission state of the device body side control means are described.
Power supply means for supplying different voltages to the remote controller in response
With the door, the remote unit side control unit, device main body from the remote control unit
Waiting for control command transmission to output by voltage detection means
Performs control for pressing the number or pressing of the operation keys corresponding to the plurality of function operation in each mode of the operation keys
And capable of generating a plurality of control information by the pressing time, and the mutual communication with the remote unit side controller and the device main body controller, the remote control unit by a single communication line operation keys by the multi-function control information and the device body A remote control device configured to transmit operation state information.