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Patent applications and USPTO patent grants for Gehrmann; Rainer.The latest application filed is for "method of inserting a background picture signal into parts of a foreground picture signal, and arrangement for performing said method".
Patent | Date |
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Method of inserting a background picture signal into parts of a foreground picture signal, and arrangement for performing said method Grant 5,708,479 - Gehrmann January 13, 1 | 1998-01-13 |
Method and circuit for generating a composite video signal Grant 5,644,365 - Gehrmann July 1, 1 | 1997-07-01 |
Chromakey method for processing picture signals in which fading operations are performed in proportional zones based on a control signal Grant 5,455,633 - Gehrmann October 3, 1 | 1995-10-03 |
Method of and arrangement for inserting a background signal into parts of a foreground signal fixed by a predetermined key color Grant 5,382,980 - Gehrmann * January 17, 1 | 1995-01-17 |
Method of and arrangement for deriving a control signal for inserting a background signal into parts of a foreground signal Grant 5,301,016 - Gehrmann April 5, 1 | 1994-04-05 |
Method and apparatus for producing sawtooth wave deflection current for television apparatus Grant 4,547,711 - Gehrmann October 15, 1 | 1985-10-15 |
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