Meter encoding register with tapered aperture in baffle insert

Details Meter encoding register with tapered aperture in baffle insert Meter encoding register with tapered aperture in baffle insert

1983-02-23

1985-04-16

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250237G, 34087029, 340347P, G01D 538, G08C 1916

Patent

active

045117985

ABSTRACT:
A multiple shaft meter including register characterized by an electrical signal generating system including illuminating source and a plurality of encoding photocells. A light baffle plate is disposed between the illumination source in the photocells and is provided with apertures aligned with respective photocells, and the apertures being tapered to minimize stray light effects.

REFERENCES:
patent: 3058001 (1962-10-01), Dertouzos
patent: 4037219 (1977-07-01), Lewis
patent: 4221963 (1980-09-01), Fushimi
patent: 4342908 (1982-08-01), Henningsen et al.
patent: 4375592 (1983-03-01), Cox et al.

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