Dent counter for loom reed

Details Dent counter for loom reed Dent counter for loom reed

1979-10-09

1982-05-25

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

235 92V, G01V 904

Patent

active

043318657

ABSTRACT:
A counter for counting the dents of a loom reed including a housing having a relatively smooth bottom surface for allowing the housing to be manually slid over the dent of a reed for counting the dents. A light beam is directed by means of a fiber optic member onto the dent and is reflected back through a fiber optic bundle carried coaxially of the first fiber optic member to trigger a transistor responsive to each reflected signal. Operational amplifiers produce pulses responsive to the triggering of the transistor which are counted by a counter and displayed by a light display member.

REFERENCES:
patent: 3692985 (1972-09-01), Kalman
patent: 3935997 (1976-02-01), Loje
patent: 4029391 (1977-06-01), French
patent: 4097725 (1978-06-01), Lieberman et al.
patent: 4151402 (1979-04-01), Fernandez et al.

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