John James

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Los Gatos, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Small, battery operated RF transmitter for portable audio devices f...
- Patent number 6,671,494
- Issue date Dec 30, 2003
- Competive Technologies, Inc.
- John James
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low power, frequency-mode magnetometer
- Patent number 6,512,370
- Issue date Jan 28, 2003
- Elf Engineering, Ltd.
- John James
- G01 - MEASURING TESTING
Information Patent Grant
Half-cycle saturable-core magnetometer circuit
- Patent number 6,084,406
- Issue date Jul 4, 2000
- Precision Navigation, Inc.
- John J. James
- G01 - MEASURING TESTING
Information Patent Grant
Temperature compensated tilt sensor
- Patent number 5,680,708
- Issue date Oct 28, 1997
- Precision Navigation, Inc.
- John J. James
- G01 - MEASURING TESTING
Information Patent Grant
Method of and apparatus for generating a frequency modulated ultrah...
- Patent number 4,710,970
- Issue date Dec 1, 1987
- TFT, Inc.
- Joseph C. Wu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Attention signal receiver for emergency broadcast systems
- Patent number 4,392,248
- Issue date Jul 5, 1983
- Time and Frequency Technology, Inc.
- Calvin Eckels
- G08 - SIGNALLING