Disk speed controller using field memory read/write cycle with a

Details Disk speed controller using field memory read/write cycle with a Disk speed controller using field memory read/write cycle with a

1993-01-08

1993-10-12

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Record editing

358338, 360 361, 360 331, 369 50, H04N 595

Patent

active

052531180

ABSTRACT:
An information record medium playback apparatus including a memory for writing in a demodulated video signal characterized in that it generates a field discrimination signal indicative of the positions on the time base of the odd and even fields of the demodulated video signal written in the memory and generates a read field signal indicative of the positions of the odd and even fields of the demodulated signals to be read out from the memory in accordance with a read timing signal and makes a time base adjustment of the demodulated video signal based on the phase difference between the positions on the time base indicated by the field discrimination signal and the read field signal.

REFERENCES:
patent: 3947870 (1976-03-01), Yumde et al.
patent: 4371899 (1983-02-01), Ceshkovsky et al.
patent: 4858030 (1989-08-01), Oku et al.
patent: 4864428 (1989-09-01), Kanamura

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