Photoelectric punched card reading device

Details Photoelectric punched card reading device Photoelectric punched card reading device

1974-04-01

1976-03-09

Cook, Daryl W.

Registers

Calculators

Input-output calculator to indicator, printer, etc.

340173LS, G06K 710, G11B 700

Patent

active

039433374

ABSTRACT:
A photoelectric punched card reading device adapted to insert the punched card by hand, for reading the punched card photoelectrically in a static state comprising a matrix of light sensors each adapted to be in register with a hole in a punched card, an aperture mask in close contact with the light sensor matrix a card loading section having, a punched card insertion slot for holding a punched card in correct position with respect to the light sensor matrix and aperture mask, and a light source for uniformly illuminating the light sensor matrix, wherein the card loading section, the light sensor matrix and the light source are assembled integrally.

REFERENCES:
patent: 3328589 (1967-06-01), Ferguson, Jr.
patent: 3375348 (1968-03-01), Goldstern
patent: 3532859 (1970-10-01), LaPlume
patent: 3689900 (1972-09-01), Chen
Arrabito et al., Security Lock-Actuating System; IBM Tech. Bull., Vol. 12, No. 9, Feb. 1970, pp. 1473-1474.

Affiliated with

Also associated with

Rating

Photoelectric punched card reading device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Photoelectric punched card reading device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photoelectric punched card reading device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-834453