Method and device for recording control signals for high-speed c

Details Method and device for recording control signals for high-speed c Method and device for recording control signals for high-speed c

1986-05-29

1988-11-22

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

In specific code or form

360 45, G11B 509

Patent

active

047869887

ABSTRACT:
A mother tape is adapted to perform magnetic or thermal high-speed contact printing for duplicating video data or information to be reproduced in a VTR monitor with eliminating spike noise otherwise contained in the reproduced control signal. The mother tape stores video information including control signals. The control signals have a waveform which has a first level immediately following the leading edge and lower than a second level corresponding to the normal high level, and a third level immediately following the trailing edge and higher than a fourth constant level corresponding to the normal low level. The first- and third-level waveform "buffers" thus created tend to suppress the spike noise conventionally occurring at the leading and trailing edges of the reproduced control signal and ensure more reliable tracking, tape speed control and so forth.

REFERENCES:
patent: 4167761 (1979-09-01), Best

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