JP2928558B2 - Timer control circuit - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an improvement of a timer control circuit of a device having a timer recording and timer reproducing function.

[Conventional technology]

2. Description of the Related Art Conventionally, as a device having a built-in timer control circuit, there is a tube in an audio system including a CD, a tuner, an amplifier, a deck, and the like. And
The timer function that performs timer recording or timer playback includes:
Setting of ON time / OFF time, setting of source and execution designation for operating the timer can be programmed, and when the set time comes, registration or reproduction is automatically performed in order of time.

[Problems to be solved by the invention]

By the way, in the above-mentioned timer control circuit, recording or reproduction is performed in a time-priority (in order of ON time),
For example, even if the recording tape cueing has been completed for timer recording, the tape position at which timer playback is performed first is shifted, and recording is performed at a different tape position during the next timer recording operation. Therefore, there is a problem that other recorded contents are erased.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described conventional problems, and has as its object to provide a timer control circuit that can reliably execute a timer recording operation from a preset tape position.

[Means for solving the problem]

In order to achieve the above object, a timer control circuit according to the present invention includes a clock unit that generates a reference time, a plurality of timer setting units that set a timer operation for recording or reproduction, and a time unit in the clock unit. The comparison unit compares the time set in each of the plurality of timer setting units, outputs a signal when the times match, and determines the setting mode of the plurality of timer setting units. A timer setting mode discriminator that outputs a mode discrimination signal based on the output signal; and a timer execution signal generator that outputs a recording or playback operation command based on the mode discrimination signal. When performing the set timer playback operation, the timer setting mode discriminating unit determines that the execution of timer recording is not specified in another timer setting unit. Those consisting configured to.

[Action]

The timer control circuit of the present invention, when a program for timer recording or timer reproduction is input to a plurality of timer setting units, a reference time generated from a clock unit and a timer recording or timer set in the timer setting unit. The time of timer reproduction is compared by the comparing unit, and when the times match, an output signal is sent to the timer setting mode determining unit. On the other hand, in the timer setting mode discriminating section, since the setting contents are input from the timer setting section, it is designated whether the setting contents at the same time are reproduction or recording, and if the reproduction is reproduction, execution is designated. Whether or not, if the execution is specified further, the setting contents of the other timer setting section are recording,
Also, it is determined that execution is designated and the apparatus is not in the standby state, but the state is not. Then, the timer reproduction is executed only when the timer recording is not designated to be executed. Therefore, it is possible to prevent recording from being performed at a different tape position other than the designated one when performing timer recording.

〔Example〕

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing one embodiment of a timer control circuit according to the present invention. 1 is a timer control circuit, 1a is a clock section for generating a reference time, 1b and 1c are first and second timer setting sections for setting timer registration or timer reproduction, 1d
Compares the time generated by the clock section 1a with the times set in the plurality of timer setting sections including the first and second timer setting sections 1b and 1c, and sends an output signal by detecting a match. 1e are first and second timer setting sections 1b, 1
a timer setting mode discriminating unit that discriminates the mode content set in the plurality of timer setting units including c, and outputs a discrimination signal according to an output signal from the comparison unit 1d, and 1f outputs a recording or playback operation signal according to the discrimination signal A timer execution signal generating unit. Reference numeral 2 denotes a deck control unit that executes timer recording or timer reproduction based on an execution signal from the timer execution signal generation unit 1f.

In the above configuration, the operation of timer reproduction will be described together with the second flowchart. First or second timer setting units 1b and 1c, which are part of a plurality of timer setting units
The set time of timer playback set in
In is compared with the time of the clock 1a (Step S _1), the timer setting mode determination unit 1e a match is detected, the timer regeneration whether or not it is designated execution is determined (step S _2). If the determination is YES, it is determined whether or not the timer recording section has been designated to execute timer recording and the apparatus is in standby mode (step S ₃ ).
If NO is operated deck controller 2 via the timer execution signal generating unit 1f, and reproduces the tape (step S _4).
Incidentally, when the determination in step S ₁ and S ₂ NO, the or if the determination is YES in step S ₃ timer reproduction does not operate.

〔The invention's effect〕

As described above, according to the present invention, when the timer playback is designated to be executed, when the time at which the timer playback is executed is reached, the presence or absence of the timer recording execution designation in another timer setting unit is determined. Was checked, and if the execution was specified, the playback operation was not performed.
Timer recording is prioritized, and recording from a position other than the preset tape position is not performed, and stable and reliable recording can be performed.

[Brief description of the drawings]

FIG. 1 is a block diagram showing the configuration of a timer control circuit according to the present invention, and FIG. 2 is a flowchart for explaining the operation at the time of timer reproduction in the above. DESCRIPTION OF SYMBOLS 1 ... Timer control circuit, 1a ... Clock part, 1b, 1c ... First and second timer setting part, 1d ... Comparison part, 1e ... Timer setting mode discrimination part, 1f ... Timer execution signal generation part, 2 ... Deck control Department.

Claims (1)

(57) [Claims] 1. A clock section for generating a reference time, a plurality of timer setting sections for setting a timer operation for recording or reproduction, a time in the clock section, and a time set in each of the plurality of timer setting sections. And a comparison unit that outputs a signal when the times coincide with each other, and a timer setting mode determination unit that determines a setting mode of the plurality of timer setting units and outputs a mode determination signal based on an output signal from the comparison unit. And a timer execution signal generation unit that outputs a recording or playback operation command in accordance with the mode determination signal. When a timer playback operation set in at least one of the plurality of timer setting units is performed, another timer setting is performed. A timer control circuit, wherein the timer setting mode discriminating section discriminates that execution of timer recording has not been designated.