Selective card entry gate with ridged profile

Details Selective card entry gate with ridged profile Selective card entry gate with ridged profile

1995-06-07

1996-10-29

Hajec, Donald T.

Registers

Coded record sensors

Particular sensor structure

235449, 235475, 235486, 235483, 902 17, 902 28, 194212, G06K 704

Patent

active

055698980

ABSTRACT:
A card entry gate has a slot defining several ridges extending longitudinally from the upper and lower surfaces of the slot. A data-bearing card, with an encoded strip and embossed portions, fits between the ridges of the slot when inserted lengthwise in any orientation. The ridges are positioned to avoid the encoded strip and the embossed portions, thereby preventing damage to the card and reducing jitter. The ridges further resist the malicious or accidental insertion of certain coins, odd-shaped cards, and many foreign objects.

REFERENCES:
patent: 1795739 (1931-03-01), Shield
patent: 3595358 (1971-07-01), Chase
patent: 3766687 (1973-10-01), Henson
patent: 3815719 (1974-06-01), Streeter et al.
patent: 3909595 (1975-09-01), Morello et al.
patent: 3995728 (1976-12-01), Kerby
patent: 4137449 (1979-01-01), Townsend et al.
patent: 4171737 (1979-10-01), McLaughlin
patent: 4322613 (1982-03-01), Oldenkamp
patent: 4488036 (1984-12-01), Butts
P. Arsenault et al, Card Reader, Dec. 1966, pp. 770-771, vol. 9, No. 7, IBM Technical Disclosure Bulletin.

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