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Inventor

John Bertrand

Inventor
Upper Nyack, NY, US

Overview

9→
Patents
1978–2001
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G10Lprimary
G10LSpeech analysis techniques or speech synthesis25%
H04BTransmission17%
G01RMeasuring electric variables8%
G06FElectric digital data processing8%
H03HImpedance networks, e.g. resonant circuits8%
H04KSecret communication8%
H04LTransmission of digital information, e.g. telegraphic communication8%
H04MTelephonic communication8%
H04WWireless communication networks8%
PatentTitleYear
6,188,720'Modulation and signaling converter'20016,078,612'Radio architecture for an advanced digital radio in a digital communication system'20005,881,096'Method for removing bias in a frequency hopping digital communication system'19995,150,410'Secure digital conferencing system'19924,890,327'Multi-rate digital voice coder apparatus'19894,720,861'Digital speech coding circuit'19884,612,625'Decimator employing finite impulse response digital filters'19864,321,680'Spectrum analyzer with frequency band selection'19824,093,989'Spectrum analyzer using digital filters'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to ROCKLAND SYSTEMS CORP (1)· patent assignee history
1978Based in Valley Cottage, NY, US· patent location history
1982Patents assigned to WAVETEK ROCKLAND INC (1)· patent assignee history
1982–2001Based in Upper Nyack, NY, US· patent location history
1988Patents assigned to ITT DEFENSE COMMUNICATIONS (1)· patent assignee history
1989–1992Patents assigned to ITT (2)· patent assignee history
1999–2001Patents assigned to ITT MFG ENTERPRISES INC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ITT MFG ENTERPRISES INC31999–2001
ITT21989–1992
ITT DEFENSE COMMUNICATIONS11988
ROCKLAND SYSTEMS CORP11978
WAVETEK ROCKLAND INC11982
Locations
LocationPatentsSpan
Upper Nyack, New York, US81982–2001
Valley Cottage, New York, US11978