Odd/even field detector for video signals

Details Odd/even field detector for video signals Odd/even field detector for video signals

1990-05-07

1991-06-18

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358148, H04N 504

Patent

active

050254960

ABSTRACT:
In a video signal processing system apparatus for differentiating between video field types includes circuitry for measuring an interval between a vertical signal component and a predetermined transition of a horizontal signal component. Measured values from successive fields are compared to provide a signal related to the respective field type, e.g., odd/even.

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patent: 4876598 (1989-10-01), Carlstedt et al.
National Semiconductor Preliminary Data on "LM1881 Video Sync Separator", Apr. 1986.

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