Donald H. McMahon

Person

Gansevoort, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Data and forward error control coding techniques for digital signals
- Patent number 5,396,239
- Issue date Mar 7, 1995
- Digital Equipment Corporation
- Donald H. McMahon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High bandwidth network based on wavelength division multiplexing
- Patent number 5,208,692
- Issue date May 4, 1993
- Digital Equipment Corporation
- Donald H. McMahon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data and forward error control coding techniques for digital signals
- Patent number 5,144,304
- Issue date Sep 1, 1992
- Digital Equipment Corporation
- Donald H. McMahon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bulk optic wavelength division multiplexer
- Patent number 5,119,454
- Issue date Jun 2, 1992
- Polaroid Corporation
- Donald H. McMahon
- G02 - OPTICS
Information Patent Grant
High bandwidth network based on wavelength division multiplexing
- Patent number 5,043,975
- Issue date Aug 27, 1991
- Digital Equipment Corporation
- Donald H. McMahon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical time domain reflectometer having a receiver with selectivel...
- Patent number 4,960,989
- Issue date Oct 2, 1990
- Photon Kinetics Inc.
- John D. Liebenrood
- G01 - MEASURING TESTING
Information Patent Grant
Thermally controllable optical devices and system
- Patent number 4,782,492
- Issue date Nov 1, 1988
- Polaroid Corporation
- Donald H. McMahon
- G02 - OPTICS
Information Patent Grant
Optical communication system employing coherent detection and method
- Patent number 4,742,576
- Issue date May 3, 1988
- Polaroid Corporation
- Donald H. McMahon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bulk optic echelon multi/demultiplexer
- Patent number 4,736,360
- Issue date Apr 5, 1988
- Polaroid Corporation
- Donald H. McMahon
- G02 - OPTICS
Information Patent Grant
Wavelength multiplexed optical communications system and method
- Patent number 4,730,301
- Issue date Mar 8, 1988
- Polaroid Corporation
- Donald H. McMahon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrated optic multi/demultiplexer
- Patent number 4,715,027
- Issue date Dec 22, 1987
- Polaroid Corporation
- Amaresh Mahapatra
- G02 - OPTICS
Information Patent Grant
Optical communication system
- Patent number 4,715,028
- Issue date Dec 22, 1987
- Polaroid Corporation
- Donald H. McMahon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system employing frequency reference
- Patent number 4,707,061
- Issue date Nov 17, 1987
- Polaroid Corporation
- Donald H. McMahon
- G02 - OPTICS
Information Patent Grant
Integrated optic resonant structres and fabrication method
- Patent number 4,695,121
- Issue date Sep 22, 1987
- Polaroid Corporation
- Amaresh Mahapatra
- G02 - OPTICS
Information Patent Grant
Microwatt battery powered optical sensor
- Patent number 4,636,636
- Issue date Jan 13, 1987
- Sperry Corporation
- Donald H. McMahon
- G01 - MEASURING TESTING
Information Patent Grant
Multimode optical fiber accelerometer
- Patent number 4,595,830
- Issue date Jun 17, 1986
- Sperry Corporation
- Donald H. McMahon
- G01 - MEASURING TESTING
Information Patent Grant
Pressure and temperature compensated photoelastic hydrophone
- Patent number 4,519,252
- Issue date May 28, 1985
- Sperry Corporation
- Donald H. McMahon
- G01 - MEASURING TESTING
Information Patent Grant
Temperature and pressure compensated elasto-optic sensor
- Patent number 4,518,857
- Issue date May 21, 1985
- Sperry Corporation
- Donald H. McMahon
- G02 - OPTICS
Information Patent Grant
Electro-optical switch for unpolarized optical signals
- Patent number 4,516,837
- Issue date May 14, 1985
- Sperry Corporation
- Richard A. Soref
- G02 - OPTICS
Information Patent Grant
Electro optic switch
- Patent number 4,461,543
- Issue date Jul 24, 1984
- Sperry Corporation
- Donald H. McMahon
- G02 - OPTICS
Information Patent Grant
Fiber optic differential sensor
- Patent number 4,432,599
- Issue date Feb 21, 1984
- Sperry Corporation
- Donald H. McMahon
- G01 - MEASURING TESTING
Information Patent Grant
Fiber optic transducer
- Patent number 4,421,384
- Issue date Dec 20, 1983
- Sperry Corporation
- Donald H. McMahon
- G02 - OPTICS
Information Patent Grant
Multiple terminal passive multiplexing apparatus
- Patent number 4,302,835
- Issue date Nov 24, 1981
- Sperry Corporation
- Donald H. McMahon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for processing digital data representative of a two-dimen...
- Patent number 4,300,122
- Issue date Nov 10, 1981
- Sperry Corporation
- Donald H. McMahon
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fiber optic small displacement sensor
- Patent number 4,293,188
- Issue date Oct 6, 1981
- Sperry Corporation
- Donald H. McMahon
- G01 - MEASURING TESTING
Information Patent Grant
Digital fiber optic position sensor
- Patent number 4,291,976
- Issue date Sep 29, 1981
- Sperry Corporation
- Donald H. McMahon
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Liquid crystal matrices
- Patent number 4,278,327
- Issue date Jul 14, 1981
- Sperry Corporation
- Donald H. McMahon
- G02 - OPTICS
Information Patent Grant
High speed holographic optical printing system
- Patent number 4,265,509
- Issue date May 5, 1981
- Sperry Corporation
- Donald H. McMahon
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fingerprint identification by ridge angle and minutiae recognition
- Patent number 4,208,651
- Issue date Jun 17, 1980
- Sperry Corporation
- Donald H. McMahon
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Liquid crystal switching coupler matrix
- Patent number 4,201,442
- Issue date May 6, 1980
- Sperry Corporation
- Donald H. McMahon
- G02 - OPTICS

Donald H. McMahon

Person

Patents Grantslast 30 patents

Data and forward error control coding techniques for digital signals

High bandwidth network based on wavelength division multiplexing

Data and forward error control coding techniques for digital signals

Bulk optic wavelength division multiplexer

High bandwidth network based on wavelength division multiplexing

Optical time domain reflectometer having a receiver with selectivel...

Thermally controllable optical devices and system

Optical communication system employing coherent detection and method

Bulk optic echelon multi/demultiplexer

Wavelength multiplexed optical communications system and method

Integrated optic multi/demultiplexer

Optical communication system

Optical communication system employing frequency reference

Integrated optic resonant structres and fabrication method

Microwatt battery powered optical sensor

Multimode optical fiber accelerometer

Pressure and temperature compensated photoelastic hydrophone

Temperature and pressure compensated elasto-optic sensor

Electro-optical switch for unpolarized optical signals

Electro optic switch

Fiber optic differential sensor

Fiber optic transducer

Multiple terminal passive multiplexing apparatus

Apparatus for processing digital data representative of a two-dimen...

Fiber optic small displacement sensor

Digital fiber optic position sensor

Liquid crystal matrices

High speed holographic optical printing system

Fingerprint identification by ridge angle and minutiae recognition

Liquid crystal switching coupler matrix