JPH062383Y2 - Audio equipment with remote control transmitter - Google Patents

Description

[Detailed Description of the Invention] (a) Industrial field of application The present invention relates to an audio device incorporating a remote control transmitter.

(B) Problems to be solved by the conventional technology / invention Each component of the audio equipment is connected via a communication device,
For example, there is provided an audio device that reproduces a tuner output for selecting a tuner with an input selector of an amplifier.

However, the output of the control code transmitted from a wide variety of remote controllers is not necessarily compatible with all audio equipment, and some of them include mechanical operation in the audio equipment, control code processing time, etc. of the transmitted control code. The output intervals do not match well, and, for example, when performing a recording operation using a remote controller, there is a problem that the beginning of the reproduction signal of a song is not recorded and a sound break occurs depending on the audio device.

The present invention has been made in view of the above points, and an object of the invention is to output a plurality of control codes transmitted from a remote control transmitter without using a communication line and control various types of audio equipment. We are providing audio equipment with a built-in remote control transmitter that enables matching with motion.

(C) Means for Solving the Problem The audio device with a remote control transmitter according to the present invention selects an input source from a plurality of input sources by an input switching key, and controls the selected input source. An audio device having a built-in remote control transmitter for transmitting a code for remote control, wherein the remote control transmitter stores a plurality of control codes in advance for each input source by another remote control transmitter. A storage means and an output interval setting means for allowing the output interval of the stored control code to be arbitrarily set are provided, and when the input source is selected by the input switching key, the output means is already stored in the storage means. The control code is transmitted to the selected input source at a desired output interval based on the output interval setting means. It was done.

(D) Operation According to the present invention, a remote control capable of storing a control code of another remote control transmitter in an audio device having an input switching key and capable of reproducing a plurality of input sources. Since the remote control transmitter is configured to transmit the control code already stored when the transmitter is built-in and the input switching key is pressed, all audio equipment controlled by the remote control transmitter Can be controlled with the audio device of this invention.

Therefore, any audio device that is remotely controlled by the remote control transmitter can be incorporated into the system, so that a wide range of user needs can be met.

Further, since the communication line is not used, there is no problem that the connection is complicated and difficult.

Further, even if the control code for one operation key is composed of a plurality of control codes, the output interval of the control code can be set in advance, so that a plurality of control codes can be output by one operation. Also, even when a wide variety of audio equipment operates properly, for example, when performing a recording operation in which the equipment makes a plurality of continuous operations with one operation key,
The problem that the beginning of the reproduction signal of the song is not recorded and the sound is interrupted is solved, and the operability is also improved.

(E) Embodiment An embodiment of an audio device with a remote control transmitter according to the present invention will be described with reference to FIGS. 1 to 6.

FIG. 1 is a block diagram of hardware, FIG. 2 is a front view of an audio device of the present invention, FIG. 3 is a detailed view of control codes, FIG. 4 is a view showing a configuration of a plurality of control codes, and FIG. And FIG. 6 is a flowchart.

In the figure, A is an audio device incorporating a remote control transmitter B, 1 is a modulation circuit for modulating a control code which is an output signal of the remote control transmitter B, and 2 is a modulation circuit 1.
An infrared light emitting element 3 for guiding the output of the device to a device (not shown) for controlling the output is a key (KEY) for giving an instruction to the remote control transmitter.

Key 3 is the AUX1 key, AUX2 key, TAPE key, PHONO key, TUNER key, CD key, and other input switching keys K1,
It is composed of a memory key K2 for instructing the remote control transmitter B to store the control code, and a numeric key K3 for instructing the time from the transmission of the first control code to the transmission of the second control code. Has been done.

4 is the audio device A based on the instruction of the input switching key K1.
Is an input switching circuit for switching the input of, and the device selected by the input switching circuit 4 is displayed on the display unit 5.

Reference numeral 6 denotes an infrared receiving element for input for guiding a signal from another remote control transmitter (not shown) to the remote control transmitting apparatus B, and 7 denotes an infrared receiving element 6
A demodulation circuit for demodulating the received signal of 1 and guiding the demodulated signal to a microcomputer, and 8 is a microcomputer for controlling the remote control transmitter B.

The microcomputer 8 has a central processing unit (CPU) that performs data arithmetic processing, a ROM 9 that stores a program to be executed, a RAM 11 that stores data and a rewritable control code 10, an input port 12, It is composed of the output port 13 and.

The signal of the key 3 and the control signal which is the output of the demodulation circuit 7 are input to the input port 12 of the microcomputer 8, and the output signal is applied to the modulation circuit 1 through the output port 13. And is output from the infrared light receiving element 2. A switching signal for input switching is also applied to the input switching circuit 4 via the output port 13 so that desired switching is performed.

Next, the control code used in the remote control transmitter B will be described.

Reference numerals 14 and 15 in FIG. 3 are detailed diagrams of the control code. Each bit of the control code causes a signal of 38 KHz to emit light at regular intervals, and 0 and 1 are distinguished by the width of the signal.

If the wide pulse is 0 and the narrow pulse is 1, the control code 14 indicates the code of 06BH (hexadecimal number) and the control code 15 indicates the code of 14H.

Here, for example, the control code 14 is "POWER of the CD player.
If the control signal for instructing "ON" and the control code 15 for the control signal for instructing "PLAY" are transmitted to the CD player as predetermined, the power of the CD player is turned on. After that, the CD player starts playing.

FIG. 4 shows an example of a plurality of control codes 16, and the plurality of control codes 16 in FIG. 4 are composed of a control code 14 and a control code 15.

Next, the storage operation of the remote control transmitter B
A description will be given based on the figure.

When the routine shown in FIG. 5 is started, necessary initialization is carried out (step S1), and then, waiting for the memory key K2 of the keys 3 for instructing the start of the memory operation to be pressed (steps S2, S3). ).

Memory key K2 is pressed, followed by input switching key K1
When is pressed (step S4), the control code memory becomes available.

Here, when a control code is input from another remote control transmitter via the infrared light receiving element 6 (step
S5), the control code is stored in the RAM 11 (steps S6, S7). Then, use the number keys K3 to set the time until the next control code is sent (step S
8) Similarly, enter the required control code (step S
5, S6, S7, S8).

Repeat the required control code memory like this,
When the input of the necessary control code is completed (step S9), the input of the next control code is awaited.

FIG. 6 shows an output routine of the control code stored as described above.

In the output routine, after initialization (step S20) is performed, waiting for key K1 to be pressed (steps S21, S2)
2).

When the key K1 is pressed, the input switching circuit 4 switches the input circuit (not shown) to set the code so that the first control code among the plurality of control codes stored in the routine of FIG. 5 is output. Do (step S23), then
This control code is output (step S24).

If the control code to be output remains, the code is set again to output the next control code (step S2
6) When the time set in step S8 of FIG. 5 has elapsed (step S27), this control code is output (step S24). When the output of the plurality of control codes is completed in this way (step S25), it waits for the next key to be pressed.

In the audio device having the remote control transmitter having the above configuration, it is assumed that the control codes 14 and 15 shown in FIG. 3 are stored in the CD key of the input switching key K1.

When the CD key is operated in this state, the input switching circuit 4 of the audio device A is switched for reproduction by the CD player, and the control codes 14 and 15 are output, so that the CD player is in the reproduction state and its output is the audio device A. It is guided and played by.

Although the present invention is applied to a remote control transmitter using infrared rays, it is also very easy to use radio waves or ultrasonic waves or to a remote control transmitter.

As described above, the audio device with a built-in remote control transmitter according to the present invention has a key for input switching, and the control code of another remote control transmitter is stored in the audio device capable of reproducing a plurality of input sources. A remote control transmitter which can be operated is built in, and when the input switching key is pressed, the remote control transmitter is configured to transmit the control code already stored.

The control code is composed of a plurality of control codes.

Further, an output interval setting means for setting the output intervals of the plurality of control codes can be arbitrarily provided.

(F) Effect of the device According to the audio device with a built-in remote control transmitter according to the present invention, since it is configured as described above, all the audio devices controlled by the remote control transmitter do not use a communication line. It can be controlled by the audio device of this invention.

Therefore, any audio device that is remotely controlled by the remote control transmitter can be incorporated into the system, so that a wide range of user needs can be met.

Further, since the communication line is not used, there is no problem that the connection is complicated and difficult.

Further, even if the control code for one operation key is composed of a plurality of control codes, the output interval of the control code can be set in advance, so that a plurality of control codes can be output by one operation. Also, even when a wide variety of audio equipment operates properly, for example, when performing a recording operation in which the equipment makes a plurality of continuous operations with one operation key,
The problem that the beginning of the reproduction signal of the song is not recorded and the sound is interrupted is solved, and the operability is also improved.

Moreover, it has excellent features such as a simple structure and easy implementation because it can be constructed at low cost.

[Brief description of drawings]

1 to 6 show an embodiment of an audio device incorporating a remote control transmitter according to the present invention, FIG. 1 is a block diagram of hardware, and FIG. 2 is a front view of the audio device of the present invention. FIG. 3 is a detailed view of the control code, FIG. 4 is a view showing the configuration of a plurality of control codes, and FIGS. 5 and 6 are flowcharts. Explanation of main symbols A: Audio equipment B: Remote control transmitter 1: Modulation circuit 2: Infrared light emitting element 3: Key 4: Input switching circuit 6: Infrared light receiving element 7: Demodulation circuit 8: Microcomputer 10,14,15 : Control code 16: Multiple control codes

Claims (1)

[Scope of utility model registration request] 1. An audio device having a remote control transmitter for selecting an input source from a plurality of input sources by an input switching key, transmitting a control code to the selected input source, and performing remote control. In the remote control transmitter, a storage means for storing a plurality of control codes in advance for each input source and an output interval of the stored control codes can be arbitrarily set by another remote control transmitter. And an output interval setting means for changing the input interval to the selected input source when the input source is selected by the input switching key, based on the output interval setting means. An audio device with a built-in remote control transmitter, which is configured to transmit at a desired output interval.