Optical embossing reader

Details Optical embossing reader Optical embossing reader

1973-12-26

1976-03-30

Stolwein, Walter

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250227, 235 6111E, 235 617B, 340149A, G02B 514

Patent

active

039476910

ABSTRACT:
An optical embossing reader wherein the presence of embossing at predetermined locations on a reflective plane surface is detected including means for illuminating a region of said predetermined location and light sensing means for receiving light originating from said illuminating means reflected from said reflective plane surface. The sensing means is positioned relative to the illuminating means and predetermined location for the gating by the embossing of the quantity of reflected light actually received by the sensing means if the predetermined location is embossed.

REFERENCES:
patent: 3430055 (1969-02-01), Metzger
patent: 3600591 (1971-08-01), Thier
patent: 3629835 (1971-12-01), Brown et al.
jackowski et al.: IBM Technical Disclosure Bulletin; Vol. 8; No. 9; Feb., 1966; pp. 1233, 1234.

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