4. Image analysis
  5. Applications
  6. Personnel identification

Michael Alan Schappert

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Active infrared presence sensor

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Reexamination Certificate

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Computer input stylus and system

Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for crt display
Patent

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Integrated resistor for measuring touch position in a liquid...

Liquid crystal cells – elements and systems – Liquid crystal system – Liquid crystal writing tablet
Reexamination Certificate

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Liquid crystal display device employing a guard plane between a

Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Patent

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Liquid crystal display device employing a guard plane...

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate

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Profile ID: LFUS-PAI-P-460480

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