JPH0218739A - Controller for recording and reproducing device - Google Patents

Abstract

PURPOSE:To use a remote control unit as a repeater by providing a plug for two channels, an operation switch and a jack, to which the plug of a microphone or of a speaker means is selectively inserted. CONSTITUTION:One jack 2 for two channels is provided in a tape recorder 1. To this jack 2, a plug 4 to be connected to a remote control unit 3, a plug 6 to be connected to a microphone 5 and a plug 8 to be connected to an earphone 7 can be selectively connected. When the plug 4 of the remote control unit 3 is connected, such a condition can be discriminated. When the plug 6 is put into the jack 2 of the tape recorder 1 and a recording mode is obtained, recording can be executed with use of the microphone 5. When the plug 8 is put into the jack 2 and a reproducing mode is obtained, a reproduced tone can be heard by the earphone 7. Thus, the remote control unit can be used as the repeater.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention provides remote control (
The present invention relates to a control device for a recording/reproducing device, which is suitable for use in a case where the device is used as a remote controller (hereinafter referred to as a remote control).

[Summary of the invention]

The present invention includes: a two-channel plug inserted into a two-channel jack provided on a recording/reproducing device; an operation switch that sends a control signal to the recording/reproducing device through a terminal of one channel of the plug and jack; By providing a jack that is connected to the terminal of the other channel of the plug and into which the plug of the microphone or speaker means is selectively inserted, the remote control unit and the microphone or speaker means can be connected to the recording/reproducing apparatus using one jack. It is possible to connect via .

[Conventional technology]

The cassette tape recorder that made the conventional remote control possible.
In a small tape recorder such as a headphone stereo, there is a jack into which the remote control unit plug is inserted, a jack into which the microphone plug is connected, and a jack into which the earphone plug is connected. , a microphone, and an earphone, and a selection switch is also provided.

[Problem to be solved by the invention]

With the above-mentioned device with multiple jacks, when connecting the remote control unit, earphones, and microphone at the same time, it is easy to get confused because three lead wires are connected.
In addition, the space factor is poor, making it difficult to miniaturize, and one jack and IJ? Those equipped with a switch have disadvantages, such as requiring the effort of switching the selection switch every time they are used, and making it easy to forget to switch.

[Means to solve the problem]

In the present invention, a two-channel plug is inserted into a two-channel jack provided on a recording and reproducing device, and an operation switch that sends a control signal to the recording and reproducing device through terminals of one channel of the plug and jack. and a jack connected to the terminal of the other channel of the plug and into which the plug of the microphone or speaker means is selectively inserted, the remote control unit and the microphone or speaker means can be connected to one of the recording and reproducing apparatuses. It is possible to connect using a jack.

[For production]

When using earphones or a microphone while controlling the remote control, the remote control unit can be used as a repeater by connecting the earphone or microphone to the remote control unit.

〔Example〕

FIG. 2 shows a tape recorder system to which the present invention is applied. A tape recorder 1 is provided with one two-channel jack 2, and a remote control unit 3 is connected to the jack 2. The plug 4, the plug 6 connected to the microphone 5, and the plug 8 connected to the earphone 7 are configured to be selectively connected. Along with this, it is possible to determine when the plug 4 of the remote control unit 3 is connected.

In order to make this determination, the plug 4 is used for two channels, and the plug 6.8 is used for one channel.

In addition to the jack 2, the tape recorder 1 has a REC
Operation buttons 9 for performing (recording), PB (playback), FF (fast forward), REW (rewind), etc. are provided, and a pause switch 10 consisting of a slide switch is also provided. Furthermore, a built-in microphone [J-phone 11 and built-in speaker 12 are provided.

Junk 1 for channel 1 is included in remote control unit 3.
3, and the plug 6 of the microphone 5 and the plug 8 of the earphone 7 are selectively connected to this jack 13. Along with this, a pause switch 14 consisting of a slide switch and a built-in microphone 15 are provided.

Next, we will explain how to use this system.

Insert plug 6 into jack 2 of tape recorder 1 and press R
If the EC mode is set, recording can be performed using the microphone 5. Furthermore, if the plug 8 is inserted into the jack 2 and the PB mode is established, the reproduced sound can be heard through the earphone 7.

Next, insert the 2-channel plug 4 into the jack 2 and connect the remote control unit 3, which will be described later.
It is determined by the i circuit. This determination disables the pause switch 10 of the tape recorder 1, and
The pause switch 14 of the remote control unit 3 becomes usable. In this state, after setting the mode using the operation button 9, the tape recorder 1 is operated in the set mode by sliding the pause switch] 4 toward the 5TART side. If the REC mode is set at this time, recording can be performed using the built-in microphone 15. Furthermore, when the playback mode is set, the playback sound can be heard from the speaker 12 of the tape recorder 1. Also, when in recording mode, jack 1 of remote control unit 3
By inserting the plug 6 into the microphone 3, recording can be performed using the microphone 5. Furthermore, in the playback mode, if the plug 8 is inserted into the jack 13, the playback sound can be heard through the earphones 7. When plug 6 or 8 is inserted into jack 13 in this way, remote control unit 3
is used as a repeater for recording signals or playback signals (in this case, the built-in microphone 11 and speaker 12 are not operated).

FIG. 1 shows an embodiment of the control circuit 16 for making the above-described determination to enable or disable the function of the pause switch 10.
Parts corresponding to the figures have the same symbols (2, 3, 5, 6, 7,
8, 10, 13, 14, 15) are attached.

In Figure 1, the remote control unit 1-3 has 2 RlL.
A channel terminal and a G (ground) terminal are provided, and these terminals are connected to the R, L, and G terminals of the plug 4, respectively. Further, the 5TOP side contact of the pause switch 14 is connected to the G terminal via the resistor R6, and the common terminal and the 5TOP side contact are connected to the G terminal via the resistor R6.
The TART terminal is connected to the R terminal. Moreover, the above-mentioned jack L and G terminal 3 are connected between the L terminal and the G terminal as shown in the figure.

The microphone 5 and the earphone 7 are connected to the L terminal and the G terminal of the plug 6.8, respectively, via the upper terminal and the G terminal.

In the control circuit 16, the jack 2 is connected to RlR, .
A G terminal is provided so that the voltage V& obtained from the R terminal is applied to one input terminal of each comparator 17,18. The other input terminal of the comparator 17 receives a reference voltage V obtained by dividing the power supply voltage Vcc by resistors R3 and R4+RS.

is applied to the other input terminal of the comparator 18, and R
:+ Reference voltage ■2 divided by R4 and R3 is applied. Set pause switch lO to 5TART side or 5
By switching to the TOP side (pause side), the transistor Q3 is strongly turned on and off, and the power to the tape drive motor (not shown) is turned on and off.

When nothing is inserted into the jack 2, the terminals R and R1 are in contact, so the voltage Vac is at the ground potential. At this time, the outputs of comparators 17 and 18 are both rHJ. In this state, when the pause switch 10 is set to the 5TART side, the voltage V cc changes to the resistance R,, Rs
is applied to the base of transistor Q2 through the transistor Q2, and this transistor Q2 is turned on. As a result, the transistors Q and I are turned on, power is supplied to the motor, the tape starts running, and the tape recorder 1 starts operating in the set mode. Note that the mode of the tape recorder 1 is set in advance using the operation button 9.

Next, when the pause switch IO is switched to the 5TOP side, the voltage V (C) is applied to the base of the transistor Q1 via the pause switch 10 and the resistor RIO, and this transistor Q is turned on.
The base potential of the transistor Q2 is lowered and the transistor Q2 is turned off, so that the transistor Q is turned off and the tape is stopped, resulting in a pause state.

Next, when the plug 6 or 8 for one channel is connected to the jack 2, the R terminal of the jack 2 is grounded by the plug 6 or 8. Therefore, the state of the circuit is exactly the same as when nothing is inserted into the jack 2 described above, and therefore the operation by operating the pause switch 10 is performed in the same manner as described above. In this case, in the playback mode, a playback signal obtained from the playback amplifier 19 is applied to the earphone 7 via the PB contact of the recording/playback switch 21 and further through each terminal of the jack 2.8. In the recording mode, the recording signal from the microphone 5 is transmitted through the plug 6 and jack 2 terminals, and then to the RE terminal of the switch 21.
It is added to the recording amplifier 20 via the C contact.

Next, when the 2-channel plug 4 of the remote control unit 3 is inserted into the jack 2, the terminals R and R3 are separated.

At this time, the pause switch 14 of the remote control unit 3 is set to 5.
If it is on the TOP side, the resistor Rh is the resistor R2 of the control circuit 16.
connected in parallel.

Therefore, a voltage VL determined by the resistors R, , R2 and R6 is applied to the comparator 17.18. At this time, the output of the comparator 17 becomes "H" and the output of the comparator 18 becomes rLJ. This output “1°” turns off Q2,
, is turned off and enters a pause state. In this state, even if the pause switch 10 of the tape recorder is set to 5 TART, the state remains unchanged and the pause is maintained.

Next, turn the pause switch 14 on the remote control unit 3 side to 5T.
When set to ART, the connection of R5 is released and V- changes accordingly, so the output of the comparator 17 becomes rLJ and the output of the comparator 18 becomes concave. As a result, Q2 is turned on, Q3 is turned on, and the tape starts running. At this time, press pause switch 10 to 5TOP.
However, since the voltage VCC is passed from R5 to the diode D+, Ql is turned off, and therefore Q2 is kept turned on.

As described above, when the plug 4 is inserted into the jack 2 and the remote control unit 3 is connected, the tape recorder 1
The function of the pause switch 10 in the example is disabled, and the pause switch 14 in the three remote control units is utilized.

When the remote control unit].3 is connected and in recording mode, recording can be performed using the built-in microphone 15. The recording signal is jack 13 glue, L,
Terminal, plug 4, 1. It is applied to the recording amplifier 20 via the L terminal of the jack 2 and the switch 21. Further, when the plug 6 is inserted into the jack 13 and the microphone 5 is connected, L and Ll are separated and the built-in microphone 15 becomes unusable.

Also, in the playback mode, if the plug 8 is connected to the jack 13 and the earphones 7 are connected, the playback amplifier 19
The playback signal from jack 2, plug 4 and jack 1
It is added to earbond 7 through 3. That is, Jack 1
By inserting the plug 6 or 8 into the remote control unit 3, the remote control unit 3 acts as a repeater. When used as this repeater, remote control using the hose switch 14 is also possible. Therefore, the remote control and earphones 7 via external connection
Or, even when using microphone 5 at the same time, 1
This can be done by inserting the plug 4 into the jack 2 of the tape recorder 1.

In the embodiment described above, the tape recorder 1 performs monaural recording.
Although this is a case of playback, the present invention can also be applied to a stereo tape recorder. Alternatively, the earphone 7 and the microphone 5 may be made of common electromagnetic means.

〔Effect of the invention〕

According to the present invention, when a remote control unit and an earphone or a microphone are connected to a tape recorder and recording or playback is performed while enabling the remote control, the remote control unit is connected to the tape recorder using a single lead wire. All you need to do is connect via the remote control unit, and by connecting an earphone or microphone to the remote control unit, you can use the remote control unit as a repeater.

[Brief explanation of the drawing]

FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is a block diagram showing an embodiment of a tape recorder system to which the present invention can be applied. In addition, in the symbols used in the drawings, 1.
---1~-----・・-・--2 channel jack 3----------・---1--------・--Remote control unit 4-- 1 ------- 2 channel plug 6, total - 1 channel plug 13 ---- m ---- Jack 14 -
----・・−・−・− It is a pause switch.

Claims (1)

[Claims] A two-channel plug inserted into a two-channel jack provided on a recording and reproducing device, and an operation for sending a control signal to the recording and reproducing device through the terminal of one channel of the plug and jack. A control device for a recording/reproducing device, comprising: a switch; and a jack connected to the terminal of the other channel of the plug, into which a plug of a microphone or speaker means is selectively inserted.