John Parkin

Follow

Person

Kitchener, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for monitoring the condition of a projector lamp
- Patent number 8,179,532
- Issue date May 15, 2012
- Christie Digital Systems USA, Inc.
- John Parkin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Uniform light production system and apparatus
- Patent number 7,926,994
- Issue date Apr 19, 2011
- Christie Digital Systems USA, Inc.
- John Parkin
- G02 - OPTICS
Information Patent Grant
Strap design for tiled rear projection screens
- Patent number 6,930,832
- Issue date Aug 16, 2005
- Christie Digital Systems, Inc.
- John Parkin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Visible light sensor mechanism for constant brightness projection s...
- Patent number 6,734,957
- Issue date May 11, 2004
- Christie Digital Systems, Inc.
- Terry Schmidt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Visible light sensor mechanism for constant brightness projection s...
- Publication number 20030142296
- Publication date Jul 31, 2003
- Terry Schmidt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE