Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1992-01-31
1993-12-07
Weldon, Ulysses
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
200318, 200332, 200339, 345156, G09G 302
Patent
active
052686744
ABSTRACT:
A mechanically latching button for a cursor control device such as a mouse or trackball is disclosed. The latching mechanism improves performance during dragging operations, while not affecting the button's rapid response needed for ordinary clicking. A first embodiment uses a stepped button. In a second embodiment, a sliding latch button is used. In a third embodiment, a push latch button is used. In a fourth embodiment, a snap action latch with a latch release button is used.
REFERENCES:
patent: 4242552 (1980-12-01), Tibolla
patent: 4520240 (1985-05-01), Swindler
patent: 4533805 (1985-08-01), Fujinami et al.
patent: 4882458 (1989-11-01), Berg et al.
patent: 4942276 (1990-07-01), Kato
patent: 5059754 (1991-10-01), Kaichi et al.
Howard Robert A.
Riccomini Roy J.
Apple Computer Inc.
Luu Matthew
Martin Robert T.
Weldon Ulysses
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