Buffered time base correction circuit

Details Buffered time base correction circuit Buffered time base correction circuit

1979-02-28

1980-06-03

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 8, 360 36, H04N 576

Patent

active

042064791

ABSTRACT:
A time base corrector for use in defluttering video signals employs a pair of analog shift registers which functionally sandwich a buffer register. Signals are serially applied to one register, say at a fluttering rate; then parallel shifted to the buffer register; then parallel shifted to the second analog shift register; then serially clocked out of the second analog shift register at a reference rate. With such signal processing, successive signals always follow the same signal path, thereby avoiding the prior art need for complementary circuit components. Components of the time base corrector form parts of a solid state device, means being provided therefor to assure that charge vestiges cannot occur after charge shifting.

REFERENCES:
patent: 3947874 (1976-03-01), Lentz
patent: 4074307 (1978-02-01), Dischert et al.
patent: 4133009 (1979-01-01), Kittler et al.

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