Christopher A. Ludden

Person

Austin, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Signal driver circuit for liquid crystal displays
- Patent number 5,726,676
- Issue date Mar 10, 1998
- Crystal Semiconductor
- Michael J. Callahan
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Signal driver circuit for liquid crystal displays
- Patent number 5,719,591
- Issue date Feb 17, 1998
- Crystal Semiconductor
- Michael J. Callahan
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Signal driver circuit for liquid crystal displays
- Patent number 5,703,617
- Issue date Dec 30, 1997
- Crystal Semiconductor
- Michael J. Callahan
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Signal driver circuit for liquid crystal displays
- Patent number 5,574,475
- Issue date Nov 12, 1996
- Crystal Semiconductor Corporation
- Michael J. Callahan
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Camera power supply system
- Patent number 5,389,998
- Issue date Feb 14, 1995
- Eastman Kodak Company
- Clay A. Dunsmore
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Time-multiplexed multi-zone rangefinder
- Patent number 5,245,398
- Issue date Sep 14, 1993
- Eastman Kodak Company
- Christopher A. Ludden
- G02 - OPTICS
Information Patent Grant
Method of intrusion detection over a wide area
- Patent number 4,967,183
- Issue date Oct 30, 1990
- Eastman Kodak Company
- George C. D'Ambrosia
- G08 - SIGNALLING
Information Patent Grant
Scanning intrusion detection device
- Patent number 4,952,911
- Issue date Aug 28, 1990
- Eastman Kodak Company
- George C. D'Ambrosia
- G08 - SIGNALLING
Information Patent Grant
Method of intrusion detection
- Patent number 4,949,074
- Issue date Aug 14, 1990
- Eastman Kodak Company
- George C. D'Ambrosia
- G08 - SIGNALLING
Information Patent Grant
Intrusion detection device
- Patent number 4,903,009
- Issue date Feb 20, 1990
- Eastman Kodak Company
- George C. D'Ambrosia
- G08 - SIGNALLING

Christopher A. Ludden

Person

Patents Grantslast 30 patents

Signal driver circuit for liquid crystal displays

Signal driver circuit for liquid crystal displays

Signal driver circuit for liquid crystal displays

Signal driver circuit for liquid crystal displays

Camera power supply system

Time-multiplexed multi-zone rangefinder

Method of intrusion detection over a wide area

Scanning intrusion detection device

Method of intrusion detection

Intrusion detection device