Keyboard with integrated mouse for data entry and control

Details Keyboard with integrated mouse for data entry and control Keyboard with integrated mouse for data entry and control

1991-06-20

1997-04-15

Hjerpe, Richard

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345167, 345168, G09G 508

Patent

active

056214367

ABSTRACT:
A computer keyboard mouse system wherein a mouse assembly is integrated into a front or side wall of a keyboard of the computer. A control ball of the mouse assembly protrudes from the front or side wall for control by the operator. To protect against forces directed against the ball of the mouse assembly which could damage it, a ball retaining member is spring loaded such that excessive forces to be protected against will cause the ball to be pushed into the front or side wall. Mouse control keys may be provided adjacent to the mouse assembly on the front or side wall. Also, the control keys can be one or more designated keys of the keyboard itself.

REFERENCES:
patent: 4404865 (1983-09-01), Kim
patent: 4818978 (1989-04-01), Kurihara et al.
patent: 4913387 (1990-04-01), Tice
patent: 4931781 (1990-06-01), Miyakawa
patent: 4977397 (1990-12-01), Kue et al.
patent: 5021771 (1991-06-01), Lachman
patent: 5088070 (1992-02-01), Shiff
patent: 5119078 (1992-06-01), Grant
patent: 5160919 (1992-11-01), Mohler et al.
"England cursor key with trackball" IBM Technical disclosure Bulletin, vol. 33, No. 9, Feb. 1991. pp. 428-430.

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