Patent Inventor: Charles S. Walker

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Efficiently describing relationships between resources
Inventor: Shur, et al. | Patent Number: 8135750

Management and use of data in a computer-generated document
Inventor: Bishop, et al. | Patent Number: 7617229

Context-free document portions with alternate formats
Inventor: Bishop, et al. | Patent Number: 7464330

Method and system for categorizing failures of a program module
Inventor: Glerum, et al. | Patent Number: 7219266

Method and system for categorizing failures of a program module
Inventor: Glerum, et al. | Patent Number: 6785848

Noise spike elimination circuit for pulse width modulators
Inventor: Walker | Patent Number: 4890021

Precision noise spike elimination circuit for pulse width modulators and PWM inverters
Inventor: Walker | Patent Number: 4887021

MOSFET turn-on/off circuit
Inventor: Walker | Patent Number: 4877982

Object detector with feedback which holds constant the product of the transmitter coil current and frequency to maintain constant sensor voltage output
Inventor: Walker | Patent Number: 4868499

Automatic overvoltage protection circuit
Inventor: Walker | Patent Number: 4815052

Following voltage/current regulator
Inventor: Walker | Patent Number: 4814687

Protective inductive devices with increased ability to absord volt-seconds in an electrical conductor
Inventor: Walker | Patent Number: 4760484

Reference circuit for alternator outputs
Inventor: Walker | Patent Number: 4752751

Inductive devices
Inventor: Walker | Patent Number: 4694387

MOSFET inverter gate drive circuit
Inventor: Walker, et al. | Patent Number: 4689731

Combined transformer and inductor
Inventor: Walker | Patent Number: 4689592

Replica driver transformer for inverter circuit
Inventor: Walker | Patent Number: 4642749

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