System for measuring a parameter within a closed environment

Details System for measuring a parameter within a closed environment System for measuring a parameter within a closed environment

2006-10-17

2006-10-17

Garber, Wendy R. (Department: 2635)

Communications: electrical

Continuously variable indicating

Combined

C340S870020

Reexamination Certificate

active

07123163

ABSTRACT:
System for measuring a parameter within a closed surrounding, which system includes an apparatus containing a sensor for sensing the parameter and for delivering a sensor signal related to the parameter; an electronic circuit for processing the sensor signal into a measurement value; a transponder, connected to the electronic circuit, which transponder after reception of an external activation signal activates the electronic circuit and the sensor and thereafter transmits the measurement value supplied by the measuring circuit, the system including furthermore a scanning unit for generating and transmitting the activation signal and for receiving the transmitted measurement value whereby the apparatus furthermore contains a housing in which the sensor, the electronic circuit and the transponder are installed, the housing having normalised connecting part for connecting the housing to the closed surrounding and for enabling the sensor to sense the parameter, the housing being otherwise hermetically closed such that the transponder is able to transmit and receive signals in the above described manner.

REFERENCES:
patent: 5298894 (1994-03-01), Cerny et al.
patent: 6611198 (2003-08-01), Geiszler et al.
patent: 6629046 (2003-09-01), Bond et al.
patent: 0 563 713 (1993-10-01), None

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