Charles E. Harm

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Dallas, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Battery charger with thermal runaway protection
- Patent number 5,214,370
- Issue date May 25, 1993
- AT&T Bell Laboratories
- Charles E. Harm
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Output voltage estimating circuit for a power converter having galv...
- Patent number 5,138,543
- Issue date Aug 11, 1992
- AT&T Bell Laboratories
- Charles E. Harm
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Mixed mode regulation controller for a resonant power converter
- Patent number 5,051,880
- Issue date Sep 24, 1991
- AT&T Bell Laboratories
- Charles E. Harm
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER