Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2005-01-11
2005-01-11
Nguyen, Phung (Department: 2632)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S568200, C340S571000, C340S572100, C235S128000
Reexamination Certificate
active
06842114
ABSTRACT:
An electronic wire-based safety device for the detection of a theft of an object to be protected, the device including at least one detector connected by a wire-based electric link to a signalling unit, the detector being arranged in relation with an object to be protected, the detector exhibiting at least a first electrical status in relation with the object and a second status when the object is detached from the detector, the unit including at least one threshold voltage comparator with inputs/outputs whereof one input is connected to the detector by the link and whereof at least one output indicates by signals at least the presence or the absence of the object in relation to the status of the detector.
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Nguyen Phung
SAAA-Systemes d'Automatismes d'Alarmes Automiques
Young & Thompson
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