Escort memory using mirrors

Details Escort memory using mirrors Escort memory using mirrors

1978-03-06

1980-03-18

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250223R, 235454, G06K 710

Patent

active

041941268

ABSTRACT:
This invention describes a sorting conveyor code system using a plurality of mirrors to set up each individual code. Each mirror has two positions so that it can reflect light into one of two directions if the light comes from a common source, one position being called a "0" and the other position being called a "1." A set of such mirrors then can carry a binary number with the number of digits equal to the number of mirrors. Each article to be sorted is accompanied by a set of such mirrors and the recognition circuitry consists of a light source and a set of optical detectors to detect the absence or presence of light in a particular direction.

REFERENCES:
patent: 2901089 (1959-08-01), Rabinow et al.
patent: 3080985 (1963-03-01), Rabinow et al.
patent: 3180996 (1965-04-01), De Good et al.
patent: 3227886 (1966-01-01), Dunigan et al.
patent: 3324283 (1967-06-01), Chu
patent: 3538338 (1970-11-01), Rabinow
patent: 3643065 (1972-02-01), Dunigan
patent: 4022340 (1977-05-01), D'Aloia

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