JPH0831043A - Tape rewinding method for magnetic recording and/or reproducing device - Google Patents

Abstract

PURPOSE:To simplify an operation from rewinding to reproducing of a tape and to eliminate loss of time as well. CONSTITUTION:When a special rewinding operation is performed by an operating part 4 at the time of stopping a recording or reproducing operation, a rewinding command is issued based on this operating signal to a rewinding drive circuit 7 to commence rewinding the magnetic tape. Then, when a starting end detecting signal from a starting end detecting means 3 is inputted, a stop command is outputted to the rewinding drive circuit 7 to stop the rewinding at the starting end of the magnetic tape, and then a reproducing command is issued to a reproducing drive circuit 6 to reproduce the magnetic tape from the starting end.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information recording and / or reproducing apparatus using a magnetic tape as a storage medium, and more particularly to a tape rewinding method capable of simplifying a push button operation during a reproducing operation of a video tape recorder or the like. .

[0002]

2. Description of the Related Art In AV equipment using a magnetic tape as a storage medium, such as an audio cassette recorder, a digital cassette recorder and a video tape recorder, a recording drive for starting recording of a magnetic tape is used as a device for controlling the running of the tape. A circuit, a reproduction drive circuit for starting reproduction of the magnetic tape, a rewinding drive circuit for starting rewinding of the magnetic tape, and a fast-forward drive circuit for starting fast-forwarding of the magnetic tape. In addition, a counter equipped with a reel sensor for detecting the rotation of the magnetic tape, a start-end sensor for detecting the start and end of the magnetic tape, and the like are incorporated.

In a video tape recorder (VTR), when basic operations for recording and reproducing are sequentially performed,
The controller drives each of the circuit units in accordance with the operation signal to execute a normal recording or reproducing operation. Further, when a fast forward or rewind operation signal is given, the fast forward or rewind operation after the stop is performed.
In this rewinding operation, the rewinding operation is stopped when the detection signal from the start-end sensor is input while displaying the count value that decreases as the tape is rewound.

[0004]

By the way, in the above-mentioned conventional VTR, the push button operation at the time of reproducing after the end of recording is troublesome and causes a loss of time. That is, when the user presses the rewind button when reproducing from the beginning when normal recording is performed and the recording is stopped, the controller drives the rewind drive circuit to rewind the magnetic tape. Then, when the tape start end detection signal is input from the start end sensor or when the count value of the counter memory matches the reference value (for example, 0), the rewinding drive circuit is stopped and the rewinding of the tape is stopped.

After that, when the user presses the reproduction button, the controller drives the reproduction drive circuit so that the video / audio can be viewed. In this way, in order for the user to hear the video / audio from the beginning of the magnetic tape,
Press the rewind button to rewind the tape to the beginning, confirm that the tape has stopped, and then press the play button,
Must be regenerated.

Therefore, it is necessary to perform the rewinding operation and the reproducing operation in different time zones, and since the reproduction is performed after confirming the stop once, there is a time between the stop and the reproduction, which is a loss time. Was becoming.

The present invention was devised in view of the above problems, and an object of the present invention is to provide a tape rewinding method capable of simplifying the operation from rewinding to reproduction of a tape and eliminating loss time.

[0008]

In order to solve the above problems, the present invention according to claim 1 provides a recording drive circuit for starting recording of a magnetic tape and / or a reproduction drive circuit for starting reproduction of a magnetic tape, and a magnetic drive circuit. In a magnetic recording / reproducing apparatus including a rewinding drive circuit for starting the rewinding of the tape and a start end detecting means for detecting the start end of the magnetic tape, when a special rewinding operation is performed by the operation section, the above-mentioned operation signal is used to perform the operation. When a rewinding command is sent to the rewinding drive circuit to start rewinding of the magnetic tape, and a start end detection signal from the start end detecting means is input, a stop command is output to the rewinding drive circuit to output the magnetic tape. Rewinding is stopped at the start end, and a reproduction command is sent to the reproduction drive circuit to reproduce the magnetic tape from the start end.

According to the present invention of claim 2, a recording drive circuit for starting recording on the magnetic tape and / or a reproducing drive circuit for starting reproduction of the magnetic tape, and a rewinding drive for starting rewinding of the magnetic tape. Magnetic recording and / or circuit having a circuit and counting means for counting the running of the magnetic tape
Alternatively, in the reproducing apparatus, when a special rewinding operation is performed by the operation section, a rewinding command is sent to the rewinding drive circuit based on the operation signal to start rewinding of the magnetic tape, and the count value from the counting means is changed. When it matches the reference value,
A stop command is output to the rewind drive circuit to stop rewinding of the magnetic tape, and a replay command is sent to the replay drive circuit to replay the magnetic tape from a position where the count value matches the reference value. And

The special rewind operation is performed by pressing the rewind button twice and then pressing the play button once.

[0011]

According to the tape rewinding method, when the special rewind operation is performed by pressing the rewind button twice and then the play button once on the operation section, the control section rewinds based on this command signal. A drive signal is sent to the drive circuit to start the rewinding of the magnetic tape. Then, when the detection signal is input from the start end detection means, the control unit outputs a stop signal to the rewind drive circuit to stop the rewind at the start end of the magnetic tape.
Then, the control unit sends a drive signal to the reproduction drive circuit,
Play the magnetic tape from the beginning.

Further, after the rewinding command is sent to the rewinding drive circuit based on the operation signal to start the rewinding of the magnetic tape, the rewinding position of the magnetic tape is judged by the count value of the counter memory, When the count value matches the reference value, the control unit outputs a stop signal to the rewinding drive circuit to stop the rewinding at the position where the count value matches the reference value.
Then, the control section sends a drive signal to the reproduction drive circuit to reproduce the magnetic tape.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the electrical configuration of the video tape recorder according to this embodiment.

This video tape recorder is provided with a push button type operation unit 4 for instructing general functions, and a control unit 9 controls recording and reproduction based on signals from a counter 1 and a start end sensor 3. The circuits 5 to 8 of the system are driven to automatically rewind and reproduce after recording.

The counter 1 uses a conventionally well-known reel sensor that outputs a pulse signal in accordance with the rotation of a reel around which a video tape is wound. The pulse signal from the reel sensor is counted and the count value is obtained. To the counter memory 2. The counter memory 2 is bidirectionally connected to the control unit 9.

The start-end sensor 3 is composed of a start-end detector for detecting the start end of the video tape and an end-end detector for detecting the end, and detects the end of the video tape and outputs a start-end detection signal or an end-detection signal. It is sent to the control unit 9.

The operation section 4 is provided with normal push buttons for play, stop, rewind, fast forward, record, etc., and a normal operation of pressing each push button one time in sequence and a predetermined number of times. A special pressing operation is continuously performed within a predetermined time, and each operation signal is sent to the control unit 9. In addition to the normal push button, the operation unit 4 may be provided with a special push button capable of performing a special operation by a single pressing operation.

The control unit 9 has a recording drive circuit 5 for starting / stopping video tape recording, a playback drive circuit 6 for starting / stopping video tape playback, and starting / stopping video tape rewinding. A rewinding drive circuit 7 and a fast-forwarding drive circuit 8 for starting / stopping fast-forwarding of the video tape are connected.

The control section 9 is a microcomputer for controlling the operation of the entire apparatus, and based on an operation signal from the operation section 4, the recording drive circuit 5, the reproduction drive circuit 6, the rewind drive circuit 7 and When a command signal is sent to the fast-forward drive circuit 8 to control normal recording, reproduction, rewinding and fast-forwarding, and when the rewind button of the operation unit 4 is pressed twice and then the play button is pressed, A command signal is output to the rewinding drive circuit 7 and the reproduction drive circuit 6 in accordance with the data in the counter memory 2 so that the video tape is rewound up to the recording start time and then reproduced.

Next, the rewind operation of the video tape recorder will be described with reference to the flow chart of FIG. However, the count value is "0000" (reference value) at the tape running time when the video tape is recorded and is in the recording end state (step S11).
And the count value at the time when the tape running is stopped due to the end of recording, are stored in the counter memory 2.

First, when the user operates the push button on the operation section 4 (step S12), the control section 9 judges based on the operation signal whether or not the rewind button has been pressed once (step S13). When the rewind button is pressed once, a command signal is sent to the rewind drive circuit 7 to start rewinding the video tape (step S14).

Thereafter, the control section 9 judges whether or not the tape start edge detection signal is inputted (step S15), and when the tape start edge detection signal is sent from the start end sensor 3, the rewinding drive is carried out. A stop command is output to the circuit 7 to stop the rewinding operation (step S16).

On the other hand, similarly to the above-mentioned example, when the video tape is recorded and is in a stopped state (step S1).
1) If the user wants to reproduce, a special push button operation different from the above is performed (step S12). In this case, press the rewind button on the operation unit 4 twice in a row, and then
Immediately press the play button once (if a special push button is provided separately, press once).

The control unit 9 judges this operation signal (step S17), and when the operation is performed a predetermined number of times, sends a command signal to the rewinding drive circuit 7 to start rewinding of the video tape (step S17). S18).

Then, it is judged whether or not the data in the counter memory 2 has reached the count value "0000" indicating the start of recording (step S19). When the data in the counter memory 2 coincides with this value, rewind A stop command is output to the drive circuit 7 to stop the rewinding operation. This allows
Rewinding until the start of videotape recording is completed (step S20).

Next, the control section 9 sends a command signal to the reproduction drive circuit 6 to reproduce the video tape from the start of recording (step S21). Therefore, the user can listen to the recorded video / audio from the beginning.

In the above embodiment, the counter 1
The counter memory 2 was used to determine when the video tape was started to be recorded and the reproduction was started. Instead of this method, the start end sensor 3 detects the start of the video tape and automatically performs rewinding and reproducing operations. You may let me.

In this case, although illustration of the operation by the flow chart is omitted in the drawings, when an operation signal is sent from the operation section 4 when the rewind button is pressed twice and then the play button is pressed once, After starting the rewinding, the control unit 9 determines whether or not the tape start end detection signal is input from the start end sensor 3 (step S19 described above).
Equal to).

When the start end of the tape is detected, the controller 9 outputs a stop command to the rewinding drive circuit 7 to stop the rewinding operation, and then sends a command signal to the reproduction drive circuit 6. , Play from the beginning of the video tape. Therefore, when the beginning recording of the video tape is performed as is generally done, the user can hear the recorded video / audio from the beginning.

The method of the present invention is not limited to the video tape recorder as in the above embodiment, but is also applicable to various AV equipment having a tape running function, such as an audio cassette recorder and a digital cassette recorder. Of course you can get it.

[0031]

In the magnetic recording / reproducing apparatus according to the present invention, when a special rewinding operation is performed on the operation section 4, the magnetic tape is rewound and stopped at the starting end or the position where the counter value matches the reference value. After that, since the reproduction is performed from this stop position, it is not necessary to perform the reproduction operation after confirming the rewinding stop of the magnetic tape, and the operation is simplified, and the loss time from the stop to the reproduction does not occur. .

[Brief description of drawings]

FIG. 1 is a block diagram showing an electrical configuration of a magnetic recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 2 is a flowchart for explaining a tape rewinding operation of the magnetic recording / reproducing apparatus.

[Explanation of symbols]

 3 Start End Detection Means 4 Operation Unit 6 Reproduction Drive Circuit 7 Rewind Drive Circuit

Claims (3)

[Claims] 1. A recording drive circuit for starting recording on a magnetic tape and / or a reproduction drive circuit for starting reproduction of a magnetic tape, a rewinding drive circuit for starting rewinding of a magnetic tape, and a starting end of the magnetic tape is detected. In a magnetic recording and / or reproducing apparatus equipped with a start end detecting means for performing a special rewinding operation in the operating section, a rewinding command is sent to the rewinding drive circuit based on the operation signal to rewind the magnetic tape. When a start end detection signal from the start end detecting means is input, a stop command is output to the rewind drive circuit to stop rewind at the start end of the magnetic tape, and a replay command is sent to the replay drive circuit. A tape rewinding method for a magnetic recording / reproducing apparatus, characterized in that the magnetic tape is reproduced from the beginning. 2. A recording drive circuit for starting the recording of the magnetic tape and / or a reproduction drive circuit for starting the reproduction of the magnetic tape, a rewinding drive circuit for starting the rewinding of the magnetic tape, and counting the running of the magnetic tape. In the magnetic recording and / or reproducing apparatus having the counting means for performing the rewinding operation, when the special rewinding operation is performed by the operation section, the rewinding command is sent to the rewinding drive circuit based on the operation signal to rewind the magnetic tape. When the count value from the counting means coincides with the standard value, a stop command is output to the rewinding drive circuit to stop rewinding of the magnetic tape, and a replay command is sent to the replaying drive circuit. A tape rewind method for a magnetic recording / reproducing apparatus, characterized in that a magnetic tape is reproduced from a position where a count value matches a reference value. 3. The magnetic recording / reproducing apparatus according to claim 1, wherein the special rewinding operation is performed by pressing the rewinding button twice and then pressing the reproducing button once. Tape rewind method.