Obturator disc for an optical transducer

Details Obturator disc for an optical transducer Obturator disc for an optical transducer

1985-04-30

1987-12-29

LaRoche, Eugene R.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250237G, G01D 534

Patent

active

047162899

ABSTRACT:
An obturator disc comprising a cylindrical element (11) of transparent plastic material provided with a unitary hub (13) by means of which it can be connected to a rotating member. To a front surface (14) of the cylindrical element there is applied, by a photographic process, a layer of opaque material in an annular zone of which there is formed a plurality of transparent windows (16) of high definition.

REFERENCES:
patent: 3983391 (1976-09-01), Clemons
patent: 4182953 (1980-01-01), Hurley, III et al.
patent: 4230939 (1980-10-01), de Bont et al.
patent: 4286871 (1981-09-01), Erickson
patent: 4465928 (1984-08-01), Breslow

Affiliated with

Also associated with

Rating

Obturator disc for an optical transducer does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Obturator disc for an optical transducer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Obturator disc for an optical transducer will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-464274