Registers – Coded record sensors – Particular sensor structure
Patent
1982-04-22
1984-07-03
Pellinen, A. D.
Registers
Coded record sensors
Particular sensor structure
235472, 235439, 235493, G11B 2501
Patent
active
044581432
ABSTRACT:
Apparatus for determining the authenticity of banknotes including a housing configured for being held in a single hand; a magnetic ink sensing head movably mounted in the housing and providing an electrical output indicating the presence of magnetic material in the vicinity thereof during operation thereof in scanning a banknote; sensible output indication providing apparatus responsive to the electrical output of the sensing head; and ON-OFF switch apparatus operated by the relative positioning of the sensing head and the housing for operating the determining apparatus only when the magnetic ink sensing head is in a predetermined position relative to the housing characteristic of operation thereof. The housing may be configured to lie coplanar with the sensing head during operation thereof for determining the orientation thereof.
REFERENCES:
patent: 3701886 (1972-10-01), Jones
patent: 3755657 (1973-08-01), Kunz
patent: 3866827 (1975-02-01), Obata et al.
patent: 3886327 (1975-05-01), Dobosi
patent: 4107540 (1978-08-01), Hillman
patent: 4109146 (1978-08-01), Hillman
IBM Tech. Dis. Bul. vol. 22, No. 12, May 1980, p. 5299.
Lev Robert
Nachshol Electronics Ltd.
Pellinen A. D.
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