Method and an apparatus for electronically identifying articles

Details Method and an apparatus for electronically identifying articles Method and an apparatus for electronically identifying articles

1988-10-12

1991-06-04

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

235451, 340505, 34082554, G08B 1314, G06K 708

Patent

active

050217674

ABSTRACT:
A method and an apparatus for identifying articles moving along a surface, especially suitable for conditions in which the surface and/or the articles comprise comparatively much electrically conductive material. The articles are provided with electronic responders, each having two electrodes which are insulated from each other and in operation, face the surface. The surface is provided with corresponding electrodes connected to a transmitter/receiver device. When the electrodes of a responder are located opposite the electrodes of the transmitter/receiver device, an electric field is produced between these electrodes, enabling information transfer between the responder and the transmitter/receiver device.

REFERENCES:
patent: 3755803 (1973-08-01), Cole et al.
patent: 3944928 (1976-03-01), Augenblick et al.
patent: 4196418 (1980-04-01), Kip et al.
patent: 4299496 (1981-11-01), Lord
patent: 4835373 (1989-05-01), Adams et al.
patent: 4843640 (1989-06-01), Juengel

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