Data card with inductive signal transfer device

Details Data card with inductive signal transfer device Data card with inductive signal transfer device

1987-05-26

1989-04-04

Pitts, Harold I.

Registers

Records

Conductive

235380, G06K 1906

Patent

active

048188530

ABSTRACT:
A data card which can be resiliently flexed to a degree. The data card includes a laminated structure member having at least a synthetic resin protective layer and a ferromagnetic material layer, an electric circuit device embedded in the laminated structure member and an electro-magnetic transducer having a pair of coils which are formed on the laminated structure member. The pair of coils are coupled to the electric circuit device for generating magnetic fluxes of opposite directions with each other according to an information signal applied from the electric circuit device. Alternatively, the pair of coils are provided for receiving magnetic fluxes of opposite directions with each other and coupled to the electric circuit device for applying an electric signal generated by the magnetic fluxes of opposite directions thereto.

REFERENCES:
patent: 3906460 (1975-09-01), Halpern
patent: 4277337 (1981-07-01), Stuckert
patent: 4298793 (1981-11-01), Mevis
patent: 4605844 (1986-08-01), Haggan
WO83/03018, 9/83, Cremin.

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