Photoelectrical encoder

Details Photoelectrical encoder Photoelectrical encoder

1996-02-08

1997-09-23

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250237G, G01D 5347

Patent

active

056707819

ABSTRACT:
An encoder including a scale and a light source for illuminating the scale, and a sensing device displaceable relative to the scale in a measuring direction for generating measuring signals, with the sensing device including a transparent carrier provided with a scanning grating, photosensors for converting a position-dependent modulated light into electrical scanning signals defining the measuring signals, and strip conductors provided on a surface of the transparent carrier for forming an electrical connection with the photosensors.

REFERENCES:
patent: 4840488 (1989-06-01), Kabay et al.
patent: 5534693 (1996-07-01), Koudo et al.
patent: 5539519 (1996-07-01), Takagi et al.
Mori M.; Kizaki Y.; Saito M. (member IEEE); & Hongu A., A Fine Pitch COG Technique for a TFT-LCD Panel Using an Indium Alloy, IEEE Transactions on Components, Hybrids, and Manufaturing Technology, vol. 16, No. 8, 852-857 (Dec. 1993).

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