Brian E. Elwell

Person

Brentwood, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Self-adjusting dual technology occupancy sensor system and method
- Patent number 7,411,489
- Issue date Aug 12, 2008
- Cooper Wiring Devices, Inc.
- Brian E. Elwell
- G08 - SIGNALLING
Information Patent Grant
Lighting control system and method
- Patent number 6,841,945
- Issue date Jan 11, 2005
- Novitas, Inc.
- Brian E. Elwell
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Line powered DC power supply
- Patent number 5,811,963
- Issue date Sep 22, 1998
- Novitas Incorporated
- Brian E. Elwell
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rate of change comparator
- Patent number 5,394,035
- Issue date Feb 28, 1995
- Novitas, Incorporated
- Brian E. Elwell
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Range test chamber
- Patent number 5,392,631
- Issue date Feb 28, 1995
- Novitas, Incorporated
- Brian E. Elwell
- G01 - MEASURING TESTING
Information Patent Grant
Method of calibrating motion detectors within a scaled environment
- Patent number 5,363,688
- Issue date Nov 15, 1994
- Novitas Incorporated
- Brian E. Elwell
- G01 - MEASURING TESTING
Information Patent Grant
Dimmer switch with gradual reduction in light intensity
- Patent number 5,319,283
- Issue date Jun 7, 1994
- Novitas, Inc.
- Brian Elwell
- G05 - CONTROLLING REGULATING
Information Patent Grant
Fully automatic energy efficient lighting control and method of mak...
- Patent number 5,293,097
- Issue date Mar 8, 1994
- Novitas, Inc.
- Brian E. Elwell
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Motion detection sensor with computer interface
- Patent number 5,281,961
- Issue date Jan 25, 1994
- Novitas, Inc.
- Brian E. Elwell
- G01 - MEASURING TESTING
Information Patent Grant
Energy efficient infrared light switch and method of making same
- Patent number 5,142,199
- Issue date Aug 25, 1992
- Novitas, Inc.
- Brian E. Elwell
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Brian E. Elwell

Person

Patents Grantslast 30 patents

Self-adjusting dual technology occupancy sensor system and method

Lighting control system and method

Line powered DC power supply

Rate of change comparator

Range test chamber

Method of calibrating motion detectors within a scaled environment

Dimmer switch with gradual reduction in light intensity

Fully automatic energy efficient lighting control and method of mak...

Motion detection sensor with computer interface

Energy efficient infrared light switch and method of making same