Video signal processing apparatus for correcting time base of vi

Details Video signal processing apparatus for correcting time base of vi Video signal processing apparatus for correcting time base of vi

1991-10-03

1994-01-18

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

358154, H04N 578

Patent

active

052803961

ABSTRACT:
An apparatus for correcting a time base of a video signal includes a first memory having a capacity of one line of a video signal and a second memory having a capacity of N lines of the video signal connected to the first memory. A video signal is written in the first memory according to a first control signal generated based on synchronizing information in the video signal and first clock pulses synchronized with the synchronizing information, the video signal written in the first memory is read from the first memory and written in the second memory according to a second control signal generated based on second clock pulses, and the video signal written in the second memory is read from the second memory based on a reference signal generated based on the second clock pulses.

REFERENCES:
patent: 4165524 (1979-08-01), Ninomiya
patent: 4473850 (1984-09-01), Foerster et al.
patent: 4853914 (1989-08-01), Okano et al.
patent: 4891699 (1990-01-01), Hamada et al.
patent: 5093732 (1992-03-01), Yoshinaka
patent: 5119209 (1992-06-01), Okano

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