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Method for fine recording of video frames
| Details |
Inventors: Kim, Hyun-Sang;
Assignee: LG Electronics Inc. (Seoul, KR)
Primary Examiner: Nguyen; Huy
Assistant Examiner:
Attorney, Agent or Firm: Finnegan, Henderson, Farabow, Garrett, & Dunner, L.L.P.
Disclosed is a method for fine recording of video frames at the contiguous recording portion on the video tape. The fine recording is accomplished by inserting a position identification code, which is generated in a serial order, into every frame of a video signal, recording the resultant video signal on a video tape, memorizing the position identification code of the last frame recorded on the tape when the recording is stopped temporarily, and locating the starting track of the subsequent recording correctly by using the memorized position identification codes when the temporary stop mode is canceled. Thus, the method avoids overlap and eliminates a blank section between the last track of the preceding recorded video signal and the beginning track of the subsequent recorded video signal, which often occur at the recording joint portion on the video tape when the tape is abruptly driven at an initial transient movement due to mode transition between the recording and pause modes. |
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DETAILED DESCRIPTION The primary objective of the present invention is to solve the above mentioned problems of the prior methods and to provide a method for continuous video tape recording at the boundary between two video signals recorded during two consecutive record modes by recording position identification codes on the video tape together with video signals and detecting the position identification code thereon.
Another objective of this invention is to provide a method for continuous video tape recording at a contiguous recording portion which can be applied successfully in cases where recording and pause are repeated for a short period of time.
The present invention, a method for continuous video tape recording at a contiguous recording portion, comprises the following steps: generating a unique position identification code for every frame of the video signal to be recorded; summing each of video frames with a signal containing the position identification code and recording the resultant video signal on a video tape; stopping recording of the video signals temporarily and memorizing the position identification code which was recorded on the video tape with the last video frame; and rewinding the video tape for a predetermined period of time.
The method according to the present invention is further characterized in that the value of the position identification code changes in serial order.
If the recording of a video signal is requested by a user, a signal containing a position identification code is superimposed into a particular period within every frame of the video signal and the resulting video signal is recorded on a video tape, the value of the position identification code being changed in serial order.
Then, when a temporary recording stop is issued by the user, the recording of the video signal is stopped immediately and at the same time, the position identification code within the last video frame on the tape is memorized.
After the tape is rewound by a predetermined amount, it is maintained in a waiting for the subsequent recording
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TV Signal 
