Touchpad with interleaved traces

Details Touchpad with interleaved traces Touchpad with interleaved traces

1997-06-03

2000-11-14

Mengistu, Amare

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

178 1801, G09G 500

Patent

active

061476803

ABSTRACT:
A unique layout with a matrix of traces having at least traces in one direction provided with portions which are interleaved with portions of adjacent traces. Unlike the prior art zigzag pattern, the extensions of the traces of the present invention are actually interleaved, so that they overlap with portions of the adjacent trace. Thus, a finger moving from one trace to the next will contact the interleaved portions of the adjacent trace before it leaves the interleaved portions of the first trace.

REFERENCES:
patent: 3921166 (1975-11-01), Volpe
patent: 4103252 (1978-07-01), Bobick
patent: 4455452 (1984-06-01), Schuyler
patent: 4550221 (1985-10-01), Mabusth
patent: 4639720 (1987-01-01), Rympalski et al.
patent: 4686332 (1987-08-01), Greanias et al.
patent: 4733222 (1988-03-01), Evans
patent: 4736191 (1988-04-01), Matzke et al.
patent: 5016008 (1991-05-01), Gruaz et al.
patent: 5543588 (1996-08-01), Bisset et al.
patent: 5543589 (1996-08-01), Buchana et al.
patent: 5818315 (1998-10-01), Moongilan
Synaptics Brochure, "Synaptics Touch Pad," pp. 1-39.

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