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Wilhelm Wilhelm
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Munich, DE
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last 30 patents
Information
Patent Grant
Power amplifier and a method for operating a power amplifier
Patent number
6,791,411
Issue date
Sep 14, 2004
Infineon Technologies, AG
Werner Simburger
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Bipolar impedance converter circuit
Patent number
6,114,908
Issue date
Sep 5, 2000
Siemens Aktiengesellschaft
Klaus Delker
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Frequency divider with lower power consumption
Patent number
6,067,339
Issue date
May 23, 2000
Siemens Aktiengesellschaft
Herbert Knapp
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Driver circuit
Patent number
5,917,344
Issue date
Jun 29, 1999
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Driver circuit for an led
Patent number
5,742,133
Issue date
Apr 21, 1998
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit arrangement for generating a bias potential
Patent number
5,656,927
Issue date
Aug 12, 1997
Siemens Aktiengesellschaft
Wilhelm Wilhelm
G05 - CONTROLLING REGULATING
Information
Patent Grant
Transimpedance amplifier circuit
Patent number
5,640,128
Issue date
Jun 17, 1997
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Common mode logic line driver switching stage
Patent number
5,539,350
Issue date
Jul 23, 1996
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Inverter stage having diode load and ring oscillator using same
Patent number
5,521,558
Issue date
May 28, 1996
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Digital differential amplifier switching stage with current switch
Patent number
5,473,272
Issue date
Dec 5, 1995
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Current mode logic switching stage
Patent number
5,397,938
Issue date
Mar 14, 1995
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Monolithically integratable phase shifter VCO
Patent number
4,879,530
Issue date
Nov 7, 1989
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Ecl logic gate using multi-emitter transistors
Patent number
4,823,030
Issue date
Apr 18, 1989
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit for compensating the temperature dependence of gate transit...
Patent number
4,758,740
Issue date
Jul 19, 1988
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Logic gates realized in differential cascode ECL technology
Patent number
4,737,664
Issue date
Apr 12, 1988
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Wideband frequency divider
Patent number
4,730,349
Issue date
Mar 8, 1988
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit for reading bipolar storage cells
Patent number
4,641,283
Issue date
Feb 3, 1987
Siemens Aktiengesellschaft
Wilhelm Wilhelm
G11 - INFORMATION STORAGE
Information
Patent Grant
Bipolar logical circuit arrangement for signal regeneration
Patent number
4,634,994
Issue date
Jan 6, 1987
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Integrable semiconductor circuit for a frequency divider
Patent number
4,601,049
Issue date
Jul 15, 1986
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit configuration for generating a temperature-independent refe...
Patent number
4,490,669
Issue date
Dec 25, 1984
Siemens Aktiengesellschaft
Wilhelm Wilhelm
G05 - CONTROLLING REGULATING
Information
Patent Grant
Circuit configuration for generating a d-c output voltage independe...
Patent number
4,423,370
Issue date
Dec 27, 1983
Siemens Aktiengesellschaft
Wilhelm Wilhelm
G05 - CONTROLLING REGULATING
Information
Patent Grant
Device for push-pull transmission
Patent number
4,380,060
Issue date
Apr 12, 1983
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cable consisting of three bundles each having three strands
Patent number
4,319,072
Issue date
Mar 9, 1982
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Register building block with series connected cells to save dissipa...
Patent number
4,168,540
Issue date
Sep 18, 1979
Siemens Aktiengesellschaft
Klaus Delker
G11 - INFORMATION STORAGE
Information
Patent Grant
Device for the transmission of push-pull signals across a two-wire...
Patent number
4,112,253
Issue date
Sep 5, 1978
Siemens Aktiengesellschaft
Wilhelm Wilhelm
H04 - ELECTRIC COMMUNICATION TECHNIQUE