Sensor and transmission control circuit in adaptive...

Details Sensor and transmission control circuit in adaptive... Sensor and transmission control circuit in adaptive...

2008-07-08

2008-07-08

Nguyen, Tai (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S539290, C340S540000, C340S541000, C340S601000, C340S628000, C340S632000, C340S286010

Reexamination Certificate

active

07397369

ABSTRACT:
A programmable interface module includes a linear power regulator to control and provide power to interfaced components on an as needed basis. The interface module is implemented in, for example, a threat sensor pack and multiplexed to a plurality of sensor modules. In a first mode, the linear voltage regulator provides a relatively small amount of power which allows a sensor module to output a signal responsive to detecting an environmental condition (e.g., gamma or x-ray radiation, extreme temperatures, etc.). The interface module can switch the linear voltage regulator to a second mode in which the linear voltage regulator ramps up the amount of power provided to a detecting sensor module. The sensor module can then provide a threat level indicative of a concentration or intensity of the environmental condition. If the threat level surpasses a predetermined threshold, the senor pack can output a threat signal to security server.

REFERENCES:
patent: 6288642 (2001-09-01), Dohrmann
patent: 6617964 (2003-09-01), Lamb
patent: 6646559 (2003-11-01), Smith
patent: 6696942 (2004-02-01), Sweatt
patent: 6950018 (2005-09-01), Merrell et al.
patent: 6970183 (2005-11-01), Monroe
patent: 7193508 (2007-03-01), Hill et al.
PCT International Search Report and Written Opinion, PCT/US06/04509, Mar. 28, 2007, 7 pages.

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