Television – Image signal processing circuitry specific to television – Special effects
Patent
1993-03-17
1994-09-20
Groody, James J.
Television
Image signal processing circuitry specific to television
Special effects
348593, 348594, H04N 5262, H04N 5272
Patent
active
053493885
ABSTRACT:
A video signal generating apparatus comprises a first microprocessor (10) including a memory (16) for receiving and storing in non-real time instructions for the generation of a range of video signals, such as test patterns, digital multi-effect keys or wipe patterns for a digital switcher, and a second microprocessor (14) for reading the instructions and generating a selected required video signal in real time.
REFERENCES:
patent: 4466014 (1984-08-01), Wilensky et al.
patent: 4538268 (1985-08-01), Pham Van Cang
patent: 4554663 (1985-11-01), Pham van Cang
patent: 4635096 (1987-01-01), Morgan
patent: 4910681 (1990-03-01), Ohtake et al.
Chouhan Mukesh
Hedley David J.
Turner Alan
Frommer William S.
Groody James J.
Lee Michael H.
Sinderbrand Alvin
Sony United Kingdom Limited
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