Method for checking abnormal operations of video cassette record

Details Method for checking abnormal operations of video cassette record Method for checking abnormal operations of video cassette record

1991-07-08

1997-02-18

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

360137, G11B 1522

Patent

active

056046472

ABSTRACT:
The present invention relates to a video cassette recorder (VCR). The present invention decides the mode conversion of the VCR by checking the mode switch signal and displays the mode error data in the abnormal mode conversion, Also, the present invention decides the operation state corresponding to each mode by using the reel pulse and drum pulse and displays the error data if in an abnormal state, thereby informing the users whether the VCR is normal or not.

REFERENCES:
patent: 4553182 (1985-11-01), Narita
patent: 4639918 (1987-01-01), Linkowski
patent: 5055960 (1991-10-01), Pepsnik

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