David A. Kahn

Person

Nepean, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Colorimetric device and colour determination process
- Patent number 7,502,112
- Issue date Mar 10, 2009
- Brytech Inc.
- David Alexander Kahn
- G01 - MEASURING TESTING
Information Patent Grant
Visual communications apparatus employing eye-position monitoring
- Patent number 5,844,544
- Issue date Dec 1, 1998
- H.K. Eyecan Ltd.
- David Alexander Kahn
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical receiver for subcarrier frequency division multiplexing sig...
- Patent number 5,046,139
- Issue date Sep 3, 1991
- Northern Telecom Limited
- David A. Kahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receivers
- Patent number 5,023,951
- Issue date Jun 11, 1991
- Northern Telecom Limited
- David A. Kahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system
- Patent number 4,868,809
- Issue date Sep 19, 1989
- Northern Telecom Limited
- David A. Kahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microphone arrangement
- Patent number 4,752,961
- Issue date Jun 21, 1988
- Northern Telecom Limited
- David A. Kahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Crossover arrangement for optical conductors
- Patent number 4,747,653
- Issue date May 31, 1988
- Northern Telecom Limited
- David A. Kahn
- G02 - OPTICS
Information Patent Grant
Mounting optical busbars on backplanes
- Patent number 4,744,617
- Issue date May 17, 1988
- Northern Telecom Limited
- Jaroslav M. Hvezda
- G05 - CONTROLLING REGULATING
Information Patent Grant
Eye-position sensor
- Patent number 4,720,189
- Issue date Jan 19, 1988
- Northern Telecom Limited
- Jan Heynen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Arrangement for diverting light
- Patent number 4,717,247
- Issue date Jan 5, 1988
- Northern Telecom Limited
- David A. Kahn
- G02 - OPTICS
Information Patent Grant
Optical fiber power tap
- Patent number 4,475,789
- Issue date Oct 9, 1984
- Canadian Patents and Development Limited
- David A. Kahn
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Colorimetric device and colour determination process
- Publication number 20060139644
- Publication date Jun 29, 2006
- David Alexander Kahn
- G01 - MEASURING TESTING

David A. Kahn

Person

Patents Grantslast 30 patents

Colorimetric device and colour determination process

Visual communications apparatus employing eye-position monitoring

Optical receiver for subcarrier frequency division multiplexing sig...

Optical receivers

Optical communication system

Microphone arrangement

Crossover arrangement for optical conductors

Mounting optical busbars on backplanes

Eye-position sensor

Arrangement for diverting light

Optical fiber power tap

Patents Applicationslast 30 patents

Colorimetric device and colour determination process