Method and apparatus for non-contacting information transmission

Details Method and apparatus for non-contacting information transmission Method and apparatus for non-contacting information transmission

1987-09-08

1989-10-24

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

235380, 235451, 340825310, G06K 708, G06K 900

Patent

active

048765350

ABSTRACT:
An apparatus for non-contacting information transmission between a data carrier and a data reader includes providing at least two electrodes on the surface of the data carrier which are brought together which at least two electrodes in the data reader to form capacitors to produce at least one common circuit of the data carrier and data reader for information transmission.

REFERENCES:
patent: 3189731 (1965-06-01), Bowman
patent: 3641316 (1972-02-01), Dethloff et al.
patent: 3689885 (1972-09-01), Kaplan et al.
patent: 3699311 (1972-10-01), Dunbar
patent: 4650981 (1987-03-01), Foletta
patent: 4706084 (1987-11-01), Meyers et al.
J. H. Meier, "Capacitive Document Sensing", Apr. 1969, IBM Technical Disclosure Bulletin, pp. 1593, 1594.

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