4. Computer graphics processing and selective visual display system
  5. Display peripheral interface input device
  6. Cursor mark position control device

Thomas Guthrie Zimmerman

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Digital pen using interferometry for relative and absolute...

Registers – Coded record sensors – Particular sensor structure
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Digital pen using speckle tracking

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
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Digital pen using ultrasonic tracking

Telegraphy – Systems – Position coordinate determination for writing
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Digital pen using visible image and autocorrelation of...

Computer graphics processing and selective visual display system – Display peripheral interface input device – Stylus
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Electro-mechanical transducer for six degrees of freedom...

Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
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Profile ID: LFUS-PAI-P-1903758

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