Input apparatus for digitizer tablet

Details Input apparatus for digitizer tablet Input apparatus for digitizer tablet

1994-11-09

1996-12-10

Hjerpe, Richard

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345178, 178 18, G09G 508

Patent

active

055835406

ABSTRACT:
An input apparatus for a digitizer tablet includes a lens section, an input operation section and an operation mechanism. The lens section has a mark formed at the bottom to indicate the position to be input, and a pickup coil wound around its peripheral portion. The input operation section has input operation switches and holds the lens section in such a way that the lens section is movable up and down with respect to a digitizer table. The operation mechanism includes a slide lever, a hook member, arm sections and a coupling rod. The operation mechanism is provided in the input operation section to move the lens section toward or away from the digitizer table.

REFERENCES:
patent: 4301326 (1981-11-01), Hetzel et al.
patent: 5055831 (1991-10-01), Padula
patent: 5153570 (1992-10-01), Murray

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