using bipolar transistors

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CPC
H03C3/222

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Parent Industries

HELECTRICITY H03Electronic circuits H03CMODULATION H03C3/00Angle modulation

Current Industry

H03C3/222using bipolar transistors

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Circuit arrangement for frequency modulation
- Patent number 7,868,712
- Issue date Jan 11, 2011
- Atmel Automotive GmbH
- Andreas Hanselmann
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Modulation signal generation circuit, transmission/reception module...
- Patent number 7,847,644
- Issue date Dec 7, 2010
- Mitsubishi Electric Corporation
- Takuya Suzuki
- G01 - MEASURING TESTING
Information Patent Grant
Ultra wide band, differential input/output, high frequency active m...
- Patent number 7,587,187
- Issue date Sep 8, 2009
- ITT Manufacturing Enterprises, Inc.
- Michael A. Wyatt
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Direct digital polar modulator
- Patent number 6,834,084
- Issue date Dec 21, 2004
- Alexander Wayne Hietala
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and apparatus for modulation of a voltage controlled oscillator
- Patent number 6,353,370
- Issue date Mar 5, 2002
- Micro Linear Corporation
- Robert Cox
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
VCO having control voltage and modulation signal applied to varactor
- Patent number 5,905,414
- Issue date May 18, 1999
- Murata Manufacturing Co., Ltd.
- Yasuo Motoi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplitude stabilized oscillator circuit
- Patent number 5,801,592
- Issue date Sep 1, 1998
- Sennheiser electronic GmbH & Co. KG
- Wolfgang Mann
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency modulator having a modulation varactor coupled to output...
- Patent number 5,564,100
- Issue date Oct 8, 1996
- Motorola, Inc.
- Philip M. Huang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Cascode VCO frequency modulator
- Patent number 5,502,420
- Issue date Mar 26, 1996
- Vtech Communications, Ltd.
- Michael J. Barclay
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency modulator
- Patent number 5,075,643
- Issue date Dec 24, 1991
- Motorola, Inc.
- Stephen B. Einbinder
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Zero crossing modulator
- Patent number 5,030,928
- Issue date Jul 9, 1991
- Wilson H. K. Ho
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Remote infrared transceiver and method of using same
- Patent number 5,027,433
- Issue date Jun 25, 1991
- H.M. Electronics, Inc.
- Michael A. Menadier
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless communication apparatus and method of operating same
- Patent number 4,977,610
- Issue date Dec 11, 1990
- H.M. Electronics, Inc.
- Donald A. Kutz
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Wide bond balanced output frequency modulator using a video signal...
- Patent number 4,959,625
- Issue date Sep 25, 1990
- Matsushita Electric Industrial Co., Ltd.
- Fusahiro Kameoka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage controlled oscillator with frequency sensitivity control
- Patent number 4,736,169
- Issue date Apr 5, 1988
- Hughes Aircraft Company
- Gary R. Weaver
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage-controlled-oscillator with modulator
- Patent number 4,721,926
- Issue date Jan 26, 1988
- Alps Electric Co., Ltd.
- Toshio Aota
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage-controlled-oscillator with modulator
- Patent number 4,721,927
- Issue date Jan 26, 1988
- Alps Electric Co., Ltd.
- Toshio Aota
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
FM wireless transmitter
- Patent number 4,612,668
- Issue date Sep 16, 1986
- Vinko Sarac
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Combined modulation and temperature compensation circuit
- Patent number 4,511,863
- Issue date Apr 16, 1985
- General Electric Company
- Johannes J. Vandegraaf
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multichannel frequency modulator
- Patent number 4,442,415
- Issue date Apr 10, 1984
- Nippon Electric Co., Ltd.
- Shigeaki Ashida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Circuit for linearizing frequency modulated oscillators on microstrip
- Patent number 4,375,621
- Issue date Mar 1, 1983
- AEL Microtel, Ltd.
- Andres F. Schneiter
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Varactor controlled push-pull oscillator
- Patent number 4,360,790
- Issue date Nov 23, 1982
- Siemens Aktiengesellschaft
- Rudolf Heise
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Means for linearizing a voltage variable capacitor controlled oscil...
- Patent number 4,270,098
- Issue date May 26, 1981
- Motorola, Inc.
- George A. Bowman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Crystal oscillator including adjustable auto transformer for neutra...
- Patent number 4,195,268
- Issue date Mar 25, 1980
- Motorola, Inc.
- Sviataslov Zarkov
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Resonant linear frequency modulator
- Patent number 4,189,690
- Issue date Feb 19, 1980
- Hughes Aircraft Company
- George F. Bock
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Narrow deviation voltage controlled crystal oscillator for mobile r...
- Patent number 4,134,085
- Issue date Jan 9, 1979
- Michael M. Driscoll
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Circuit for compensating VCO nonlinearities in frequency modulated...
- Patent number 4,117,422
- Issue date Sep 26, 1978
- Motorola, Inc.
- Albert Henry Hunt
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency linearization and sensitivity equalization of a frequency...
- Patent number 4,088,968
- Issue date May 9, 1978
- RCA Corporation
- Bortolo M. Pradal
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Wide range frequency modulation of narrow loop bandwidth phase-lock...
- Patent number 4,074,209
- Issue date Feb 14, 1978
- RCA Corporation
- Morris Lysobey
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Temperature compensated variable frequency crystal oscillator
- Patent number 3,995,233
- Issue date Nov 30, 1976
- Sony Corporation
- Toshihiko Waku
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
MODULATION SIGNAL GENERATION CIRCUIT, TRANSMISSION/RECEPTION MODULE...
- Publication number 20090224845
- Publication date Sep 10, 2009
- MITSUBISHI ELECTRIC CORPORATION
- Takuya Suzuki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CIRCUIT ARRANGEMENT FOR FREQUENCY MODULATION
- Publication number 20080211595
- Publication date Sep 4, 2008
- Andreas HANSELMANN
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Ultra wide band, differential input/output, high frequency active m...
- Publication number 20080003972
- Publication date Jan 3, 2008
- ITT Manufacturing Enterprises, Inc.
- Michael A. Wyatt
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Direct digital polar modulator
- Publication number 20030206056
- Publication date Nov 6, 2003
- Alexander Wayne Hietala
- H03 - BASIC ELECTRONIC CIRCUITRY

using bipolar transistors

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Circuit arrangement for frequency modulation

Modulation signal generation circuit, transmission/reception module...

Ultra wide band, differential input/output, high frequency active m...

Direct digital polar modulator

Method and apparatus for modulation of a voltage controlled oscillator

VCO having control voltage and modulation signal applied to varactor

Amplitude stabilized oscillator circuit

Frequency modulator having a modulation varactor coupled to output...

Cascode VCO frequency modulator

Frequency modulator

Zero crossing modulator

Remote infrared transceiver and method of using same

Wireless communication apparatus and method of operating same

Wide bond balanced output frequency modulator using a video signal...

Voltage controlled oscillator with frequency sensitivity control

Voltage-controlled-oscillator with modulator

Voltage-controlled-oscillator with modulator

FM wireless transmitter

Combined modulation and temperature compensation circuit

Multichannel frequency modulator

Circuit for linearizing frequency modulated oscillators on microstrip

Varactor controlled push-pull oscillator

Means for linearizing a voltage variable capacitor controlled oscil...

Crystal oscillator including adjustable auto transformer for neutra...

Resonant linear frequency modulator

Narrow deviation voltage controlled crystal oscillator for mobile r...

Circuit for compensating VCO nonlinearities in frequency modulated...

Frequency linearization and sensitivity equalization of a frequency...

Wide range frequency modulation of narrow loop bandwidth phase-lock...

Temperature compensated variable frequency crystal oscillator

Patents Applicationslast 30 patents

MODULATION SIGNAL GENERATION CIRCUIT, TRANSMISSION/RECEPTION MODULE...

CIRCUIT ARRANGEMENT FOR FREQUENCY MODULATION

Ultra wide band, differential input/output, high frequency active m...

Direct digital polar modulator