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Wolfgang Weltersbach
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Hamburg, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Down-converter
Patent number
7,233,368
Issue date
Jun 19, 2007
NXP B.V.
Joachim Brilka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit arrangement for demodulating a video signal
Patent number
5,526,061
Issue date
Jun 11, 1996
U.S. Philips Corporation
Joachim Brilka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit arrangement for demmodulating the sound signals in a televi...
Patent number
5,483,298
Issue date
Jan 9, 1996
U.S. Philips Corporation
Joachim Brilka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Oscillator with switchable varactor diodes
Patent number
5,434,543
Issue date
Jul 18, 1995
U.S. Philips Corporation
Joachim Brilka
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Synchronous demodulator having automatically tuned band-pass filter
Patent number
4,945,313
Issue date
Jul 31, 1990
U.S. Philips Corporation
Joachim C. Brilka
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit arrangement for optionally connecting signal sources to a s...
Patent number
4,827,153
Issue date
May 2, 1989
U.S. Philips Corporation
Henning Schwarz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit for adjusting the amplitude of a color signal
Patent number
4,510,521
Issue date
Apr 9, 1985
U.S. Philips Corporation
Jurgen Ruprecht
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Down-converter
Publication number
20040130483
Publication date
Jul 8, 2004
Joachim Brilka
H04 - ELECTRIC COMMUNICATION TECHNIQUE