Telegraphy – Systems – Position coordinate determination for writing
Patent
1995-08-04
1998-03-31
Kuntz, Curtis
Telegraphy
Systems
Position coordinate determination for writing
G08C 2100
Patent
active
057341303
ABSTRACT:
Digitizing apparatus comprises an array of Hall effect elements. The array includes conditioning circuitry and scanning circuitry for sensing the conditions of all Hall effect elements and determining which elements have been actuated by a user manipulated magnetic actuator. The apparatus inputs digital signals into a computer, the signals indicating relative positions of actuated Hall effect elements.
International Business Machines - Corporation
Kuntz Curtis
Loomis Paul
McConnell Daniel E.
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