Trackpoint device

Details Trackpoint device Trackpoint device

1997-12-18

2000-09-05

Saras, Steven J.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345158, 345168, G09G 500

Patent

active

061150304

ABSTRACT:
A capacitive sensor input device which includes a movable stud having a top portion for manipulation by a user and a conductive bottom portion is connected to a planar surface, such as a circuit board by means of an elastomeric, adhesive connector. A plurality of sensors are disposed on the planar surface. The respective capacitances between the conductive bottom portion and respective ones of the sensors are used as input to another electronic device, such as a computer, set top box or gaming device. As the capacitances change according to user manipulation of the movable stud elements of the user interface are moved correspondingly.

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Technical Disclosure Bulletin, vol. 28 No. 5 Oct. 1985, Smart Key, pp. 1859-1860.

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