Integrated mouse and numerical keypad device

Details Integrated mouse and numerical keypad device Integrated mouse and numerical keypad device

1994-10-03

1995-10-10

Hjerpe, Richard

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345168, G09G 302

Patent

active

054574803

ABSTRACT:
A device in which functions of both a conventional mouse and a numerical data entry keypad are integrated into a single unit is disclosed. A conventional mouse ball is disposed on the bottom of the device. Pointer select buttons are disposed on a forward portion of the top of the device and numerical entry keys are disposed on a rearward portion of the top of the device. A microprocessor responsive to the ball, buttons, and keys, generates appropriate signals for input to a single I/O port in a computer. A hood is also provided which is hingedly attached to the device between the forward and rearward portions thereof such that it is rotatable between a first position in which the numerical data entry keys are rendered accessible, thereby enabling the device to function as a numerical keypad, and a second position, in which the numerical data entry keys are rendered inaccessible, thereby enabling the device to function as a conventional mouse.

REFERENCES:
patent: 4899137 (1990-02-01), Behrens et al.
patent: 4917516 (1990-04-01), Retter
patent: 5063376 (1991-11-01), Chang
patent: 5313229 (1994-05-01), Gilligan et al.

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