JPH0240599Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to an inter-song no-signal recording control circuit that automatically creates no-signal portions between songs, and in particular, cancels its operation while inter-song no-signal recording is in progress to prevent recording. This invention relates to a control circuit for recording without a signal between songs, which can start the recording without any signal between songs.

The inter-song no-signal recording control circuit records a no-signal portion for a predetermined period of time between songs during recording with a tape recorder, and detects this no-signal portion during playback. This makes it easy to detect between songs.

In this case, the commonly used no-signal recording control circuit between songs automatically stops recording after a certain period of time when the auto editor switch is turned on momentarily at the end of the song being recorded. Or it is in a pause state.

However, in the inter-song no-signal recording control circuit having the above configuration, once inter-song no-signal recording is started, such operation cannot be canceled during the inter-song no-signal recording unless it is stopped or set to a pause operation. As a result, when performing emergency recording in the middle of no-signal recording between songs, such as when recording FM broadcasts, it is necessary to cancel the no-signal recording between songs by setting to stop or pause, and then set recording. However, there is a problem in that the operations are duplicated and become complicated.

The purpose of this invention is to provide an inter-music no-signal recording control circuit that allows direct recording by a recording operation even during inter-music no-signal recording.

Hereinafter, the inter-song no-signal recording control circuit according to this invention will be explained in detail with reference to the drawings.

The figure is a circuit diagram showing an embodiment of the inter-music no-signal control circuit according to this invention. In the figure, _S1 is an editor switch connected between the power supply Vcc and ground via a pull-up resistor _R1 , and _S2 is a pull-up resistor.
The recording switch _FF1 connected between the power supply Vcc and ground via _R2 is a flip-flop circuit set by the output of the recording switch _S2 , and the reset input signal A is supplied from a stop switch (not shown). It is reset by _G1 is a NAND gate whose inputs are the output of editor switch _S1 and the reset output of flip-flop circuit _FF1 ;
_FF2 is a flip-flop circuit that is set by the output of the NAND gate _G1 , T is a timer that is triggered by the set output of the flip-flop circuit _FF2 and measures a predetermined time t as a no-signal period between songs, and _G2. is an AND gate whose inputs are the output of the recording switch _S2 and the reset output of the flip-flop circuit _FF2 , and _G3 is an AND gate whose inputs are the output of the timer T and the output of the AND gate _{G2 .} The resetting NOR gate, B, is a tape recorder with an input X controlled by the set output Q of the flip-flop circuit _FF1 and the output of the timer T, and the set output Q of the flip-flop circuit _FF2 and the output of the flip-flop circuit _FF1 . The recording signal system Y is controlled by the set output Q. The input section X in this case is driven by electronic control.

In the circuit constructed as described above, when the recording switch _S2 is first operated and turned on, its output becomes "L" and the flip-flop circuit _FF1 is set. When the flip-flop circuit _FF1 is set, its set output Q controls the input section X and the recording signal system Y, and the tape recorder B is set to the recording mode.

When the desired song is recorded in this state and the editor switch _S1 is closed in response to the end of the song, the reset output of the flip-flop circuit _FF1 is "L", so the output of the NAND gate _G1 is Therefore, flip-flop circuit _FF2 is set. When the flip-flop circuit _FF2 is set in this way, the recording signal system Y is controlled by the set output Q, and the recording signal is muted to perform no-signal recording, and the timer T is triggered. Then, measurement of time t as a no-signal recording period is started. Then, when the timer T finishes counting the time t and generates an output, the input section
At the same time, the flip-flop circuit _FF2 is reset and the recording signal system Y is set to pause mode.
Mute control for is canceled. Therefore, the tape recorder B as a whole enters the recording pause mode.

Next, during no-signal recording between songs, that is, when the flip-flop circuits FF ₁ and FF ₂ are set, the recording switch S ₂ is momentarily closed due to the need for emergency recording.
Both inputs of AND gate G ₂ become “L”,
Along with this, the output becomes "H". and gate
When the input of _G2 becomes "H", the output of NOR gate _G3 becomes "L" and the flip-flop circuit _FF2 is reset. As a result, the set output Q of the flip-flop circuit _FF2 is inverted to "L", so that the mute control of the recording signal system Y is canceled and direct recording is immediately executed. Therefore, in this case, even during the inter-song no-signal recording period, simply by operating the recording switch _S2 , the inter-song no-signal recording will be canceled and direct recording will begin immediately. This means that the operation will be greatly simplified compared to the conventional method.

Incidentally, since the timer T is reset by stopping its timing operation when the set output Q of the flip-flop circuit _FF2 is inverted to "L", no output is generated.

As explained above, according to the inter-song no-signal recording control circuit according to this invention, even during the inter-song no-signal recording period, emergency recording can be quickly executed by simply operating the recording switch momentarily. This has an excellent effect in that the operation is greatly simplified compared to the conventional method.

[Brief explanation of the drawing]

The figure is a circuit diagram showing an embodiment of the inter-song no-signal recording control circuit according to this invention. S ₁ ……Editor switch, S ₂ ……Record switch, G ₁ ……Nand gate, G ₂ ……And gate,
G ₃ ... Noah gate, FF ₁ , FF ₂ ... flip-flop circuit, T ... timer, B ... tape recorder.

Claims (1)

[Scope of utility model registration request] A first flip-flop circuit that is set by the output of the recording switch to set the tape recorder in recording mode in an inter-song no-signal recording control circuit that includes an editor switch and a recording switch;
The second flip-flop circuit is set only when the editor switch is operated during the set period of the first flip-flop circuit to mute the recording signal, and the second flip-flop circuit starts operating by the set output of the second flip-flop circuit to ensure that there is no signal between songs. a timer that generates an output when the recording period is counted to set the tape recorder to a recording pause and reset the second flip-flop circuit; and a timer that detects that the recording switch is operated during the setting period of the second flip-flop circuit. and a second gate circuit for resetting the second flip-flop circuit.