using bipolar transistors

Industry

CPC
H03C1/545

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Parent Industries

HELECTRICITY H03Electronic circuits H03CMODULATION H03C1/00Amplitude modulation

Current Industry

H03C1/545using bipolar transistors

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Multiplier arrangement, signal modulator and transmitter
- Patent number 6,940,920
- Issue date Sep 6, 2005
- Alcatel
- Joannes Mathilda Josephus Sevenhans
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitter and method of generating a transmission signal
- Patent number 6,826,389
- Issue date Nov 30, 2004
- Koninklijke Philips Electronics N.V.
- Winfrid Birth
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modulator structure for a transmitter and a mobile station
- Patent number 6,373,345
- Issue date Apr 16, 2002
- Nokia Mobile Phones Ltd
- Harri Kimppa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low-voltage, current-folded signal modulators and methods
- Patent number 6,300,845
- Issue date Oct 9, 2001
- Linear Technology Corporation
- Min Z. Zou
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Double-balanced modulator and quadri-phase shift keying device
- Patent number 6,114,921
- Issue date Sep 5, 2000
- Alps Electric Co. Ltd.
- Kazuharu Aoki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplitude modulator
- Patent number 5,896,182
- Issue date Apr 20, 1999
- U.S. Philips Corporation
- Philippe Klaeyle
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low noise Gilbert Multiplier Cells and quadrature modulators
- Patent number 5,847,623
- Issue date Dec 8, 1998
- Ericsson Inc.
- Aristotle Hadjichristos
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
I/Q quadraphase modulator circuit
- Patent number 5,574,755
- Issue date Nov 12, 1996
- Philips Electronics North America Corporation
- Charles J. Persico
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Interface between SAW filter and Gilbert cell mixer
- Patent number 5,515,014
- Issue date May 7, 1996
- AT&T Corp.
- Dennis L. Troutman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Binary phase shift keying modulation system and/or frequency multip...
- Patent number 5,265,120
- Issue date Nov 23, 1993
- Axonn Corporation
- Hugh B. Sanderford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Balanced modulator designed for low supply voltage
- Patent number 5,172,079
- Issue date Dec 15, 1992
- Sharp Kabushiki Kaisha
- Toshihiko Shigenari
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Binary phase shift keying modulation system
- Patent number 5,119,396
- Issue date Jun 2, 1992
- Axonn Corporation
- H. Britton Snderford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplitude modulator having negative feedback circuit for reducing d...
- Patent number 5,095,290
- Issue date Mar 10, 1992
- Alcatel N.V.
- Joannes M. J. Sevenhans
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Phase modulator circuit
- Patent number 4,932,038
- Issue date Jun 5, 1990
- STC PLC
- Geoffrey G. Windus
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modulator
- Patent number 4,724,405
- Issue date Feb 9, 1988
- U.S. Philips Corporation
- Karl-Heinz Matthies
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Modulation control circuit for an amplitude modulator
- Patent number 4,654,607
- Issue date Mar 31, 1987
- Sony Corporation
- Nobuyuki Ishikawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Oscillator mixer circuit with reaction-tree coupling
- Patent number 4,635,003
- Issue date Jan 6, 1987
- Siemens Aktiengesellschaft
- Josef Fenk
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electronic circuitry utilizing an inerted Darlington amplifier outp...
- Patent number 4,634,995
- Issue date Jan 6, 1987
- Hitachi, Ltd.
- Isao Nakagawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Doubled balanced differential amplifier circuit with low power cons...
- Patent number 4,590,433
- Issue date May 20, 1986
- Kabushiki Kaisha Toshiba
- Hiromi Kusakabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplitude modulator with three differential transistor pairs
- Patent number 4,547,752
- Issue date Oct 15, 1985
- Tokyo Shibaura Denki Kabushiki Kaisha
- Seitaro Shinbara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Integrable signal-processing semiconductor circuit
- Patent number 4,458,211
- Issue date Jul 3, 1984
- Siemens Aktiengesellschaft
- Hans Kriedt
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Self balancing amplitude modulator
- Patent number 4,338,580
- Issue date Jul 6, 1982
- Motorola, Inc.
- Michael J. Gay
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Broad-band passive ring mixer
- Patent number 4,317,230
- Issue date Feb 23, 1982
- Thomson-CSF
- Albert Boubouleix
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Modulator systems
- Patent number 4,310,810
- Issue date Jan 12, 1982
- Hitachi Denshi K.K.
- Yasuhiro Toyomura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Integrated circuit for frequency conversion
- Patent number 4,216,431
- Issue date Aug 5, 1980
- Hitachi, Ltd.
- Akira Shibata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Modulator for forming the product of two input signals
- Patent number 4,180,785
- Issue date Dec 25, 1979
- U.S. Philips Corporation
- Johannes O. Voorman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low-distortion double sideband suppressed carrier monolithic modulator
- Patent number 4,142,162
- Issue date Feb 27, 1979
- GTE Automatic Electric Laboratories, Inc.
- Christopher R. Huntley
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Double-balanced frequency converter
- Patent number 4,058,771
- Issue date Nov 15, 1977
- Sony Corporation
- Mitsuo Ohsawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Double balanced modulator-demodulator
- Patent number 3,986,146
- Issue date Oct 12, 1976
- Farinon Electric
- Mehr Ali Parkhideh
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High frequency modulator, such as an amplitude modulator, including...
- Patent number 3,974,460
- Issue date Aug 10, 1976
- Sony Corporation
- Masayuki Hongu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Multiplier arrangement, signal modulator and transmitter
- Publication number 20020018534
- Publication date Feb 14, 2002
- ALCATEL
- Joannes Mathilda Josephus Sevenhans
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transmitter and method of generating a transmission signal
- Publication number 20010034215
- Publication date Oct 25, 2001
- Winfrid Birth
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

using bipolar transistors

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Multiplier arrangement, signal modulator and transmitter

Transmitter and method of generating a transmission signal

Modulator structure for a transmitter and a mobile station

Low-voltage, current-folded signal modulators and methods

Double-balanced modulator and quadri-phase shift keying device

Amplitude modulator

Low noise Gilbert Multiplier Cells and quadrature modulators

I/Q quadraphase modulator circuit

Interface between SAW filter and Gilbert cell mixer

Binary phase shift keying modulation system and/or frequency multip...

Balanced modulator designed for low supply voltage

Binary phase shift keying modulation system

Amplitude modulator having negative feedback circuit for reducing d...

Phase modulator circuit

Modulator

Modulation control circuit for an amplitude modulator

Oscillator mixer circuit with reaction-tree coupling

Electronic circuitry utilizing an inerted Darlington amplifier outp...

Doubled balanced differential amplifier circuit with low power cons...

Amplitude modulator with three differential transistor pairs

Integrable signal-processing semiconductor circuit

Self balancing amplitude modulator

Broad-band passive ring mixer

Modulator systems

Integrated circuit for frequency conversion

Modulator for forming the product of two input signals

Low-distortion double sideband suppressed carrier monolithic modulator

Double-balanced frequency converter

Double balanced modulator-demodulator

High frequency modulator, such as an amplitude modulator, including...

Patents Applicationslast 30 patents

Multiplier arrangement, signal modulator and transmitter

Transmitter and method of generating a transmission signal