Television – Format conversion – Changing number of fields for standard conversion
Patent
1992-06-19
1995-04-04
Groody, James J.
Television
Format conversion
Changing number of fields for standard conversion
348441, 348555, H04N 701
Patent
active
054041716
ABSTRACT:
A method and apparatus for synchronizing sequence of digital information packets is disclosed. The sequence of digital information packets is provided from a digital information source at a source rate and is later received by a device having an associated synchronization rate. In a preferred embodiment, a counter increment is determined, and a current information packet and a next information packet are selected from the sequence. The current information packet is received into the device. Upon an occurrence of a synchronization event on the device, the counter increment is subtracted from a counter and the counter is compared to a predetermined threshold. If the counter is less than or equal to the predetermined threshold, then the next information packet is received into the device, a next information packet is selected from the sequence, and a predetermined constant is added to the counter.
REFERENCES:
patent: 3860745 (1975-01-01), Takada
patent: 4080626 (1978-03-01), Hurst et al.
patent: 5041909 (1991-08-01), Okano
"NHK" technical disclosure, Present Status of Still-Picture Television NKH Technical Research Laboratories May 1978.
Golstein Judith A.
Jeffers James J.
Keith Michael J.
Mills H. Kenneth
Golub Daniel H.
Groody James J.
Harvey David E.
Intel Corporation
Murray William H.
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