Inventor · disambiguated record
Otmar Kappeler
Also filed as: KAPPELER OTMAR
5 granted patents·98 citations·filing 1985–1994
81Inventor score
Top patents by PatentIndex Score
5 records- 0181US4789897AFrequency converting apparatus for converting an RF television signal to a video signal employing low IF techniquesITT IND GMBH DEUTSCHE·Filed 1988·Granted Dec 6, 1988·51 cites·15 claims
- 0260US4710814ATelevision sound receiving circuit for at least one sound channel contained in an RF signalITT IND GMBH DEUTSCHE·Filed 1986·Granted Dec 1, 1987·19 cites·21 claims
- 0340US5416316AOptical sensor arrangement for presence detection with variable pulse repetition frequencySICK OPTIK ELEKTRONIK ERWIN·Filed 1994·Granted May 16, 1995·15 cites·19 claims
- 0439US4782385AFrequency conversion of an RF signal transmitted for color-television receiversITT IND GMBH DEUTSCHE·Filed 1986·Granted Nov 1, 1988·7 cites·10 claims
- 0536US4683444AGenerator circuit for generating two sinusoidal signals with a phase difference of 90 degreesITT IND GMBH DEUTSCHE·Filed 1985·Granted Jul 28, 1987·6 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →