Reduction of carrier leakage or the suppression of the carrier

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Patents Grantslast 30 patents

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
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
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
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
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
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
Information Patent Grant
3829797
- Patent number 3,829,797
- Issue date Aug 13, 1974
- H03 - BASIC ELECTRONIC CIRCUITRY