Recorded information reproducing apparatus with reading and writ

Details Recorded information reproducing apparatus with reading and writ Recorded information reproducing apparatus with reading and writ

1988-06-22

1990-09-25

Richardson, Robert L.

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

358337, 358339, H04N 595, G11B 2000

Patent

active

049598252

ABSTRACT:
A recorded information reproducing apparatus, such as a video disk player, has a memory for storing video data of one field. The reproducing apparatus generates an address access detection signal when the absolute value of the difference between a generated write address and a generated read address of the memory decreases less than a predetermined value. The address access detection signal serves to change the phase difference between the synchronous signal in the read video signal and a standard synchronous signal which is synchronized with the read clock signal, thereby finely adjusting the time axis and changing the synchronization.

REFERENCES:
patent: 4603412 (1986-07-01), Yamazakt
patent: 4680658 (1987-07-01), Tatamt
patent: 4688081 (1987-08-01), Furuhata
patent: 4757488 (1988-07-01), Nagai

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