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US 2007/0164865 A1Published application
Security sensor system
OwnerGerald Giasson, Clinton Chan +2inventors
InventorsGerald Giasson, Clinton Chan, Jon DeLuche, Armando Benavides
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Abstract
A security system suitable for retail establishments carrying articles comprises tags for affixing to the articles, the tag being capable of generating a responsive microwave signal in response to a microwave detection signal; and at least one transceiver for generating the microwave detection signal and for receiving the responsive microwave signal.
Claims29
A system suitable for detecting an article comprising:
- a) a tag for affixing to the article, the tag being capable of generating a responsive microwave signal in response to a microwave detection signal;
- and
- b) at least one transceiver for generating the microwave detection signal and for receiving the responsive microwave signal.
A tag comprising:
- a) a substrate having first and second sides;
- b) a first dipole antenna fixed at the first side and having two poles, each pole having an end and a base, the ends of the first dipole antenna being electrically connected;
- and
- c) a second dipole antenna fixed at the second side and having two poles, each pole having an end and a base, the ends of the second dipole antenna being electrically connected.
1 more element
A system suitable for detecting the unauthorized removal of articles from a facility comprising:
- a) tags for affixing to the articles, each tag being capable of generating a responsive microwave signal in response to at least one microwave detection signal;
- b) at least one transceiver for generating the detection signal at an exit of the facility and for receiving the responsive microwave signal;
- and
- c) at least one presence detector for detecting a person at the exit and then causing the transceiver to generate the detection signal.
1 more element
Dependencies are inferred from the claim text.