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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Siikarla; Risto
Address:
Boca Raton, FL
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
5278573 Electronic article surveillance system and tag circuit components therefor January 11, 1994
An electronic article surveillance tag comprises a reradiator element, a nonlinear element connected electrically to the reradiator element, and an electrical ground plane member connected electrically to the nonlinear element. The reradiator element, the nonlinear element and the ground
5109217 Method and apparatus for enhancing detection of electronic article surveillance tags in close pr April 28, 1992
A method for detection of EAS tags in a surveillance area into which an electrostatic field is propagated and in which an electronically conductive object is present, includes a step of providing a tag reradiator configuration which is unaffected by close proximity to the object. The
5030940 Electronic article surveillance tag and method for implementing same July 9, 1991
In a method for enhancing the performance of tags for use in an electronic article surveillance system of the type comprising a transmitter-receiver arrangement disposed aside an area to be controlled for transmitting a first high-frequency signal into the area, a transmitter disposed as
4736207 Tag device and method for electronic article surveillance April 5, 1988
A method is disclosed for effecting electronic article surveillance with a first high frequency signal and a second lower frequency signal, the second signal having a modulation characteristic therewith. Generally rectangular tag devices are attached to said articles for receipt of such










 
 
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