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John Bertrand
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Valley Cottage, NY, US
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last 30 patents
Information
Patent Grant
Modulation and signaling converter
Patent number
6,188,720
Issue date
Feb 13, 2001
ITT Manufacturing Enterprises, Inc.
John Batzer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio architecture for an advanced digital radio in a digital commu...
Patent number
6,078,612
Issue date
Jun 20, 2000
ITT Manufacturing Enterprises, Inc.
John Bertrand
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for removing bias in a frequency hopping digital communicati...
Patent number
5,881,096
Issue date
Mar 9, 1999
ITT Manufacturing Enterprises, Inc.
Bryan S. Majkrzak
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure digital conferencing system
Patent number
5,150,410
Issue date
Sep 22, 1992
ITT Corporation
John Bertrand
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Multi-rate digital voice coder apparatus
Patent number
4,890,327
Issue date
Dec 26, 1989
ITT Corporation
John Bertrand
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Digital speech coding circuit
Patent number
4,720,861
Issue date
Jan 19, 1988
ITT Defense Communications a Division of ITT Corporation
John P. Bertrand
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Decimator employing finite impulse response digital filters
Patent number
4,612,625
Issue date
Sep 16, 1986
Wavetek Rockland Scientific, Inc.
John Bertrand
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Spectrum analyzer with frequency band selection
Patent number
4,321,680
Issue date
Mar 23, 1982
Wavetek Rockland Inc.
John Bertrand
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Spectrum analyzer using digital filters
Patent number
4,093,989
Issue date
Jun 6, 1978
Rockland Systems Corporation
Joseph H. Flink
G01 - MEASURING TESTING