Pen-type computer input device

Details Pen-type computer input device Pen-type computer input device

1990-08-17

1992-10-27

Oberley, Alvin E.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340709, 178 18, 178 19, G09G 302

Patent

active

051593211

ABSTRACT:
A pen-type computer input device is used to move a cursor on the display of a computer system or enter data such as of figures, letters, numerals, or the like into a computer system. The pen-type computer input device includes a shank, a pen nib disposed on the tip end of the shank, and a sensor disposed in the shank, for detecting the directions in which and the distances by which the pen nib moves in two perpendicular directions in a plane, in response to movement of the pen nib, and for producing an output signal representative of the directions and distances. Since the sensor can detect the distance by which the pen nib moves without any mechanical motion transmitting mechanism incorporated in the pen nib, the pen-type computer input device may be small in size and can be handled with ease.

REFERENCES:
patent: 3269190 (1966-08-01), Laman
patent: 3304434 (1967-02-01), Koster
patent: 3376551 (1968-04-01), Armbruster
patent: 3395589 (1968-08-01), Gersten
patent: 3541521 (1970-11-01), Koster
patent: 3541541 (1970-11-01), Engelbart
patent: 3835453 (1974-09-01), Narayanan
patent: 4345239 (1982-08-01), Elliott
patent: 4522062 (1985-06-01), Peters
patent: 4550316 (1985-10-01), Whetstone et al.
L. D. Larsen, IBM Technical Disclosure Bulletin, Quadrant Check for Signature Verification, Sep. 1977, pp. 1538-1539.

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