Television – Synchronization – Locking of video or audio to reference timebase
Patent
1995-10-23
1997-12-02
Kostak, Victor R.
Television
Synchronization
Locking of video or audio to reference timebase
348519, H04N 9475
Patent
active
056941749
ABSTRACT:
In a television signal transmission system including a transmitter and a receiver, a reference signal has a phase angle between 0.degree. and 360.degree. within a single cycle. The phase angle of the reference signal is successively produced by a phase angle generator and transmitted from the transmitter and is reproduced by the receiver to be compared with a received phase angle. The phase angle is modified by a compensation phase angle obtained from a phase difference in the transmitter and the receiver. The reference signal may be either a color subcarrier signal or a sequence of sampling clocks.
REFERENCES:
patent: 4349832 (1982-09-01), Gallo
Kostak Victor R.
NEC Corporation
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