Perreault; Donald A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Perreault; Donald A..The latest application filed is for "method and apparatus for suppression of error accumulation in recursive computation of a discrete fourier transform".

Company Profile

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Perreault; Donald A. - Thousand Oaks CA
Perreault; Donald A. - Dallas TX
Perreault; Donald A. - Pittsford NY

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method and apparatus for suppression of error accumulation in recursive computation of a discrete Fourier transform Grant 4,225,937 - Perreault , et al. September 30, 1	1980-09-30
Frequency domain automatic equalizer using minimum mean square error correction criteria Grant 4,141,072 - Perreault February 20, 1	1979-02-20
Frequency domain automatic equalizer utilizing the discrete Fourier transform Grant 4,100,604 - Perreault July 11, 1	1978-07-11
Time domain automatic equalizer with frequency domain control Grant 4,027,258 - Perreault May 31, 1	1977-05-31
Frequency domain automatic equalizer having logic circuitry Grant 4,027,257 - Perreault May 31, 1	1977-05-31
Facsimile communication system Grant 3,914,538 - Perreault , et al. October 21, 1	1975-10-21
Fascimile communication system Grant 3,889,057 - Perreault , et al. June 10, 1	1975-06-10
Dibinary encoding technique Grant 3,876,944 - Mack , et al. April 8, 1	1975-04-08
Semi-encoded Facsimile Transmission Grant 3,847,732 - Perreault November 12, 1	1974-11-12
Method And Apparatus For Rapidly Scanning A Document Grant 3,723,640 - Perreault March 27, 1	1973-03-27
Multi-waveform Generation From A Single Tapped Delay Line Grant 3,659,207 - Perreault April 25, 1	1972-04-25
Apparatus For Simulating The Electrical Characteristics Of A Network Grant 3,631,232 - Perreault , et al. December 28, 1	1971-12-28

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