Information card

Details Information card Information card

1982-12-09

1985-04-16

Trafton, David L.

Registers

Records

Conductive

361401, G06K 1906

Patent

active

045117969

ABSTRACT:
Disclosed herein is an information card consisted of a card member formed with a circular hole in a position thereof and an information unit disposed within said hole, said unit comprising semiconductor device or devices adapted to generate an output signal in response to an input signal or to provide like functions and a holding member for receiving said semiconductor device or devices, said holding member being provided with a circular outer periphery, the information card being characterized by that either the outer peripheral surface of the holding member or the inner peripheral surface of the hole of the card member has one or plurality of protrudent portions and the other is formed with a groove or grooves extending in a circular direction to receive the protrudent portion or portions, to thereby obviate disadvantages due to a seal treatment with cover sheets acted on the information card.

REFERENCES:
patent: 3401309 (1968-09-01), Shatz
patent: 3414664 (1968-12-01), Kratochvil
patent: 4004133 (1977-01-01), Hannan et al.
patent: 4417413 (1983-11-01), Hoppe et al.

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