KR19980016545A - How to control the playback mode of VCI - Google Patents

Abstract

The present invention relates to a method for controlling a playback mode of a VR, which enables the continuity of the screen by automatically rewinding the tape for a predetermined time before executing the playback mode. The playback mode control method of the VCD of the present invention includes the steps of determining whether the playback function is selected, determining whether the playback function is the initial playback or continuous playback, and in the case of the initial playback, the playback function immediately. And in the case of continuous playback, performing a playback function after rewinding the tape for a predetermined time.

Description

How to control the playback mode of VCI

The present invention relates to a method of controlling a playback mode of a VR, and in particular, a playback mode of a VR to achieve continuity of the screen by performing an automatic rewinding of the tape for a predetermined time before executing the playback of the VR. It relates to a control method.

As is well known, the Video Cassette Recorder is used for recording and playing back television signals, recording and playing back other tapes, bimodal recording (broadcasting on other channels not watched), absent recording, camera recording, etc. Appliance.

The most commonly used function of VRT is the playback function that plays back the contents recorded on the magnetic tape and outputs them to the CRT (Cathode Ray Tube) of the television receiver. When the user presses the playback key provided on the remote controller, Electromagnetic force is induced in the coil of the reproduction head by the magnetic flux distribution inside the tape, and the electric signal thus generated is reproduced as an image through a series of signal processing systems.

However, in the conventional VR, since the playback is performed while the tape is advanced immediately at the time of performing the playback function, in order to maintain the continuity of the screen to be played back, a predetermined time, for example, 1 second to 2 seconds, is maintained. There was an inconvenience of having to rewind the tape around.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and provides a method of controlling a playback mode of a VCD which enables continuity of the screen by performing an automatic rewinding of the tape for a predetermined time before executing the playback mode. There is a purpose.

In order to achieve the above object, the method of controlling a playback mode of the VCD of the present invention includes determining whether a playback function is selected, determining whether the playback function is initial playback or continuous playback, and initial playback playback. In this case, the playback function is immediately performed. In the case of continuous playback, the playback function is performed after rewinding the tape for a predetermined time.

1 is a block diagram for explaining the control system of VRC to which the present invention is applied;

2 is a flowchart for explaining a playback mode control method of a VR of the present invention.

Explanation of symbols on the main parts of the drawings

1: timer micom, 2: siscon micom,

3: display part, 4: key matrix part,

5: tuner control unit 6: OSD control unit,

7: motor control unit, 8: sensor input unit,

9: power control unit.

Hereinafter, with reference to the accompanying drawings it will be described in detail a preferred embodiment of the playback mode control method of VR in accordance with the present invention.

1 is a block diagram illustrating a control system of a VRC to which the present invention is applied. As shown in FIG. 1, the control system of VRC is largely composed of a timer part centered on the timer microcomputer 1 and a system control part centered on the system microcomputer 2. Among these, the ciscon part converts the commercial AC power supplied through the power cord into an appropriate form, and then, based on the control of the ciscon microcomputer 2, the power supply control unit 9 and the deck mechanism control are provided. High speed forward or backward movement of the loading motor, the capstan motor for maintaining the tape at the specified speed during recording and playback of the tape, and the drum motor and tape for rotating the tape at a constant speed by suppressing rotational fluctuations during load change or start-up. The motor control unit 7 controls various motors such as a reel motor and a safety protection tab located at the lower end of the cassette. Deck sensor, end sensor to detect the beginning and end of tape, reel sensor and moisture sensor to detect normal rotation of tape It comprises a sensor input unit 8 consisting of a variety of sensors, such as the scissor microcomputer (2) for controlling their operation.

Next, the timer part is a part that plays a role of relaying between the user and the VRC device, and displays a key matrix unit 4 for receiving various functions of the device and displays the current operation state of the device. Display unit 3, tuner control unit 5 which transmits the reference frequency of the channel corresponding to the case where the user selects a broadcast channel as data and receives the broadcast, and displays a timer function as a caption on a television receiver or a monitor screen. It includes a OSD (On Screen Display) control unit 6 for allowing a user to conveniently operate the timer operation and a timer microcomputer (1) for controlling their operation.

In the following, the playback mode control method of the VR of the present invention is described in detail.

2 is a flowchart for explaining a playback mode control method of a VR of the present invention. First, in step S1, it is determined whether the main power of the VCC is turned on. In this step S1, the main power may be turned on automatically when the cassette tape is seated on the deck of the VRC. In step S1, when the main power is turned on, the process proceeds to step S2 again to determine whether the playback function is selected. In step S2, other functions besides the playback function, for example, a recording function or a rewind function, are performed. If selected, the process proceeds to step S6 to perform the selected function.

On the other hand, if the playback function is selected in step S2, the flow advances to step S3 to determine whether the current playback function is the initial playback function, i.e., the first playback function after the cassette tape is inserted. This step S3 is performed on the basis of the state of the deck sensor provided in the sensor input unit 8 and the number of times of regeneration key input. If the current playback is the initial playback in step S3, the flow advances to step S4 to immediately perform the playback function. In the first playback after the cassette tape is inserted, the continuity of the screen does not matter. Perform playback function instantly without rewinding.

If it is not the initial playback in step S3, that is, if the playback function is selected again with the playback function performed at least one time after inserting the cassette tape, the process proceeds to step S5 for a predetermined time, for example, 1 second. The playback function is performed after rewinding the cassette tape for about 2 seconds. According to the control method of the playback mode, the continuity is maintained on the screen to be reproduced, and the user does not have to perform the rewind function.

The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the technical idea of the present invention.

According to the method of controlling the playback mode of the VDL of the present invention as described above, if it is not the initial playback after determining whether or not the initial playback is selected at the time of selecting the playback function, the tape is automatically recorded for a predetermined time before execution of the playback mode. By performing the rewind, the continuity of the screen is maintained, thereby eliminating the inconvenience of the user having to execute the rewind function.

Claims (1)

Determining whether to select a playback function; Judging whether it is initial playback or continuous playback when the playback function is selected; And performing a play function after performing a rewinding of the tape for a predetermined time in the case of the initial play, and a rewinding of the tape for a predetermined time in the case of the continuous play.