JPH06138263A - Timer of audio equipment - Google Patents

Abstract

PURPOSE:To provide a timer which can record sounds or images compensating the time required for starting up the drive portion of audio equipment and the errors of a timepiece. CONSTITUTION:The reference frequency of a quartz oscillator or the like is input to the current time 5 to indicate the current time. The current time can be set by means of a setting key and indicated in an indicator. Nominal timer starting 8 and finishing 9 times are set from the setting key. The starting time 8 is subjected to a subtraction process 1 and the finishing time 9 is subjected to an addition process 2 to increase or decrease a correction time 10 so that actual timer starting and finishing times 6, 7 are calculated. The times 6 and 7 are subjected to a comparison process 4 and held until the current time coincides with them, and when the current time 5 coincides with the time 6 an operation starting signal is sent to audio equipment to start recording sounds or images; when the current time 5 coincides with the time 7, an operation stopping signal is sent to finish recording sounds or images.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a timer for audio equipment.

[0002]

2. Description of the Related Art Cassette tape recorders, digital audio tape recorders, video tape recorders,
For audio devices such as writable optical disc players that have a built-in timer or are connected externally, you can automatically record radio or TV programs at the time you want to record or when you are not there. Can be recorded as a record. Also, many timers have a function of automatically recording or ending recording.

As described above, in the timer of the audio device, the time at which the recording or the recording is desired to be started is set in advance, and at that time, the drive signal of the audio device is activated by the control signal of the timer to record. Or start recording. In the case of a device that can set the end time of recording or recording, when the preset end time comes, the drive circuit of the audio device is stopped by the control signal of the timer, and the recording or recording is ended.

Conventionally, when recording or recording with a timer, a control signal for starting or ending from the timer is
The signal is emitted at each set time, and the operation of the drive unit of the audio device is started or stopped by this signal. This means, for example,
Timer setter sets the recording or recording start time at 8:00
When set to 0 minutes, the control signal from the timer is issued at 8:00:00 and activates the drive section of the audio device. Also, set the recording time or the time to end the recording to 9
If it is set to 0:00, a control signal is issued from the timer at 9:00:00 and the driving unit of the audio device is stopped.

[0005]

However, the drive unit of the audio equipment does not instantly enter the recording or recording state even when it receives the control signal for starting from the timer. It takes some time to stabilize the disk rotation speed and stabilize the tape running. Therefore, the actual recording time or the time to start the recording is later than the timer start time set by the timer setting person, so that the beginning portion of the recorded contents due to the recording or the recording is not recorded or the sound or the image is disturbed.

[0006] Further, the recording or recording by the timer,
Since the preset clock in the timer is used as a reference, an error of advance or delay may occur in the clock depending on the passage of time. A timer with a clock that does not show the correct current time cannot accurately record the start portion or the end portion of the recording of the recording or the time to be recorded.

[0007]

In order to solve the above-mentioned problems, a timer is used as a correction time, which is a time required to start the operation of a drive section of an audio device and a time necessary to compensate an error of a clock. When starting recording or recording, issue a start control signal earlier than the time set by the timer setter by the time indicated by the correction time, and when ending recording or recording by the timer, set the time set by the timer setter. Therefore, the conventional problem can be solved by issuing the end control signal with a delay of the correction time.

[0008] In other words, from the perspective of the timer, the timer setting time set by the timer setting person by key operation is the nominal timer setting time, and the timer setting time for actually issuing the control signal is calculated by adjusting the correction time. The time is the actual time set by the timer.

In the block diagram of FIG. 1, when the recording or the recording is started by the timer, the time shown in the correction time (10) is subtracted from the nominal timer start time (8) set by the timer setting person ( In 1), the actual timer start time (6) is calculated by subtraction, and when the current time (5) reaches this actual timer start time by the comparison process (4), the drive circuit of the audio device starts operating. By issuing the control signal to cause the recording, the recording or the recording starts up by the correction time before the nominal timer start time. Also, when recording or ending recording by the timer, the correction time (1) is set at the nominal timer end time (9) set by the timer setting person.
0) is added in the addition process (2) to calculate the actual timer end time (7), and when the current time (5) reaches the actual timer end time by the comparison process (4), By issuing a control signal for stopping the operation to the drive circuit of the audio device, the recording or the recording is ended after the correction time has elapsed from the nominal timer end time.

As described above, in the present invention, the timer set time set by the timer setter is set by the timer setter according to the present invention, in contrast to the conventional timer which issued the control signal by comparing the present time with the current time. The timer setting time is just a nominal time, and the actual timer setting time is the time that is added to or subtracted from the nominal timer setting time using the time required to start the operation of the drive unit of the audio device and the time to compensate for the error of the clock as the correction time. By comparing the actual timer setting time with the current time and issuing a control signal, the audio device is actually operating within the range of time when the timer setting person requests the audio device to record or record. Therefore, the conventional problems can be solved.

[0011]

In the timer of the present invention, the timer start time and the timer end time, which are set by the operator who operates the timer, are the nominal timer start time and the nominal timer end time, respectively. The actual timer start time is calculated by subtracting the correction time from the start time, and the actual timer end time is calculated by adding the correction time to the nominal timer end time.

Next, it is detected by the comparison process whether or not the current time has reached the actual timer start time, and when both times match, a recording signal of the audio device or a control signal for starting recording is issued.

Similarly, whether the current time has reached the actual timer end time is similarly detected by the comparison process, and when the two times match, a recording signal of the audio device or a control signal for ending the recording is issued.

The operation of the present invention will be illustrated by way of example. If the timer setter sets the timer to 8:00 as the start time and sets the timer to 9:00 as the end time, the present invention will be described. In, 8:00 is the nominal timer start time, and 9:00 is the nominal timer end time.

Since the correction time is the time required to start up the operation of the drive section of the audio equipment and to compensate the error of the clock, the correction time is preferably in the range of 10 seconds to 60 seconds.
Here, it is assumed that 30 seconds are taken.

According to the present invention, the correction time of 30 seconds is subtracted from the nominal timer start time of 8:00 to calculate 7:59:30 as the actual timer start time, and the nominal timer end time of 9:00 is calculated. Add 30 seconds of correction time to minutes
The time 00 minutes 30 seconds is calculated as the actual timer end time.

The timer of the present invention waits until the current time elapses and reaches the substantial timer start time of 7:59:30, and the comparison process causes the current time and the actual timer start time to coincide with each other. Then, the timer of the present invention issues a recording or a control signal for starting recording to the drive circuit of the audio device.

When further time elapses and the current time reaches 9:00:30, which is the actual timer end time, a match is detected by the comparison process, and the drive unit of the audio device is stopped to record or record. Issue a control signal to terminate.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1 showing the present invention as a block diagram, a reference frequency from a crystal oscillator or commercial power is input at the current time (5) to mark the current time. If necessary, the current time can be set with the setting key, and the current time is displayed on the display.

On the other hand, in setting the timer set time by the timer setter, the nominal timer start time (8) and the nominal timer end time (9) are set by the setting keys as the nominal timer set time.

The nominal timer start time is subtracted (1)
Then, the nominal timer end time is added or subtracted from the correction time (10) by the addition process (2) to calculate the actual timer start time (6) and the actual timer end time (7).

The current time and the actual timer set time calculated by the subtraction process or the addition process are made to stand by for a time match by the comparison process (4), and when the current time reaches the actual timer start time, A control signal for starting operation is issued to the drive circuit of the audio device to start recording or recording. When the current time reaches the actual timer end time, a control signal for stopping the operation is issued to the drive circuit of the audio device to end the recording or the recording.

FIG. 2 shows an example of the present invention in which data such as the current time and the set time of the timer is stored in a memory and the whereabouts of the data is specified by an address.

In this embodiment, the setting contents of the timer are set to week, hour, minute, and second, and it is possible to set what day of the week, hour, and minute the timer starts or ends. However, it is general that the processing of seconds is used internally in the timer, and the setting operation and display by the timer setter are set to week, hour, and minute.

As the configuration of the present invention for implementing this function,
First, the current time is recorded by counting the reference frequency input to the current time memory (11). The current time is set by designating an address indicating the current time memory (11) and inputting it from the data interface (17).

Next, in order to set the start time and the end time of the timer, the addresses of the nominal timer start time memory (14) and the nominal timer end time memory (15) in which the respective data are stored are designated, Enter the time data.

These nominal timer setting times input by the timer setting person are calculated by the addition / subtraction process (3) to calculate the actual timer setting time. In this embodiment, a correction time memory (16) for storing the correction time
Shows an example in which the time used for correction can be arbitrarily set by specifying the address of this memory and inputting the data. By the addition / subtraction process (3), the actual timer start time is calculated by subtracting the correction time shown in the correction time memory (16) from the nominal timer start time shown in the nominal timer start time memory (14). Input to the timer start time memory (12). In addition, by the addition / subtraction process (3), the nominal timer end time memory (1
5) The nominal timer end time shown in 5) is added to the correction time shown in the correction time memory (16) to calculate the actual timer end time, and the actual timer end time memory (1
Enter in 3).

As for the relationship between the correction time memory (16) and the addition / subtraction process (3), when the addition / subtraction process (3) is based on the addition operation and the actual timer start time is calculated from the nominal timer start time, By inputting the complement of the correction time to the value indicated by the correction time memory (16) and performing the addition operation including the nominal timer set time and the correction time in the addition / subtraction processing (3), the cyclic carry processing is performed. The timer set time can be calculated.

The actual timer start time and actual timer end time calculated in this way are detected by the comparison process (4) as in the embodiment of FIG. .

Further, it is possible to set a plurality of timer times by sufficiently preparing a memory for storing the times set in the timer.

When performing recording or recording with the timer of the present invention, extra recording is performed for a time corresponding to the correction time at the maximum, so that recording on a cassette tape, a video tape, an optical disk, etc. Although there is a need for such a margin, there is usually a time margin for absorbing the extra time required by the present invention in addition to the recordable time displayed on the recording medium, which is not a problem. Considering the effects on these recording media,
Considering the time required to start the operation of the drive unit of the audio equipment and the time sufficient to compensate the error of the clock, which is the problem solved by the present invention, the time used for the correction time is in the range of 1 second to 180 seconds. It is considered effective and preferably in the range of 10 to 60 seconds.

[0032]

According to the present invention, when recording or recording with a timer, a recording start portion or a start portion of the recording due to an error in the driving of the drive unit of the audio equipment, which has been a conventional problem, It is possible to solve the influence of the end portion on the audio or video.

As described above, according to the present invention, an audio device which issues a control signal to a drive circuit of the audio device so as to completely record a time range set by a timer setter on a recording medium such as a magnetic tape or an optical disk. Is a timer.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of the present invention.

FIG. 2 is a block diagram showing a configuration of an embodiment in which time data and the like are stored in a memory.

[Explanation of symbols]

 1 Subtraction process 2 Addition process 3 Addition / subtraction process 4 Comparison process 5 Current time 6 Real timer start time 7 Real timer end time 8th timer start time 9th timer end time 10 Correction time 11 Current time memory 12 Real timer Start time memory 13 Actual timer end time memory 14th timer start time memory 15th timer end time memory 16 Correction time memory 17 Data interface

[Procedure amendment]

[Submission date] September 8, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be amended] Claims

[Correction method] Change

[Correction content]

[Claims]

[Procedure Amendment 2]

[Document name to be amended] Statement

[Name of item to be corrected] 0025

[Correction method] Change

[Correction content]

As the configuration of the present invention for implementing this function,
First, the current time counts the reference frequency and is written and read in the current time memory (11). The current time is set by designating an address indicating the current time memory (11) and inputting it from the data interface (17).

[Procedure 3]

[Document name to be amended] Statement

[Name of item to be corrected] 0027

[Correction method] Change

[Correction content]

With respect to these nominal timer set times input by the timer setter, the actual timer set time is calculated by the addition / subtraction process (3). In this embodiment, the correction time memory (16) for storing the correction time is
An example in which the time used for correction can be arbitrarily set by designating an address of this memory and inputting data is shown. By the addition / subtraction process (3), the actual timer start time is calculated by subtracting the correction time shown in the correction time memory (16) from the nominal timer start time shown in the nominal timer start time memory (14). Input to the timer start time memory (12). In addition, by the addition / subtraction process (3), the nominal timer end time memory (1
5) The nominal timer end time shown in 5) is added to the correction time shown in the correction time memory (16) to calculate the actual timer end time, and the actual timer end time memory (1
Enter in 3).

[Procedure amendment 4]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 2

[Correction method] Change

[Correction content]

[Fig. 2]

Claims (4)

[Claims] 1. A timer built into an audio device, wherein a timer setting time set by a timer setter for starting or starting recording of the audio device
A timer for audio equipment that issues a start control signal to the drive circuit of the audio equipment earlier than the correction time. 2. A timer built in an audio device, from a timer end time set by a timer setter to end recording or recording of the audio device,
A timer for audio equipment that issues a termination control signal to the drive circuit for audio equipment after a delay of the correction time. 3. In a timer connected to the outside of an audio device, a start control for a drive circuit of the audio device is made by a correction time earlier than a timer start time set by a timer setter to start or start recording of the audio device. A timer for audio equipment that emits a signal. 4. In a timer connected to the outside of an audio device, the timer of the audio device is set by a timer setter, and the end of the audio device driving circuit is delayed by a correction time from the timer end time at which the audio device is finished recording or recording. A timer for audio equipment that issues control signals.