Method and an apparatus for time signal encoding/decoding

Details Method and an apparatus for time signal encoding/decoding Method and an apparatus for time signal encoding/decoding

1978-04-13

1979-09-04

Konick, Bernard

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 14, 360 49, 360 18, G11B 509, G11B 2700

Patent

active

041670280

ABSTRACT:
A method and a video tape recorder apparatus having an encoder for serially pulse width modulating each of the normal frame-reference pulses with a bit of an elapsed record time signal and for recording the signal onto the frame-reference track of a video tape and a decoder for, during playback of the tape, extracting from the reproduced signal the frame-reference pulses and the elapsed record time signal and for generating therefrom a frame count signal.

REFERENCES:
patent: 3564161 (1971-02-01), Takishima
patent: 3736565 (1973-05-01), Sidline
patent: 3739086 (1973-06-01), Heather
patent: 3851116 (1974-11-01), Cannon
patent: 3852811 (1974-12-01), Aghazadeh

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