Packaging multiple measurands into a combinational sensor...

Details Packaging multiple measurands into a combinational sensor... Packaging multiple measurands into a combinational sensor...

2007-06-22

2010-11-16

Larkin, Daniel S (Department: 2856)

Measuring and testing

Instrument casing

C073S029020, C073S029050

Reexamination Certificate

active

07832269

ABSTRACT:
A combinational sensor system for measuring multiple measurands includes a flow transducer, a pressure transducer and a humidity transducer. The pressure and humidity transducers are provided with independent access to sensed media and are ratiometric to a supply voltage, whereas the flow sensor is sensitive to openings to the flow path. The combinational sensor system utilizes elastomeric seals that include patterned electrically conductive and non-conductive seals. An ASIC is generally associated with the combinational sensor, and is located on a patterned electrically conductive substrate lead frame or for signal conditioning in order to detect any of the sensed measurands. The transducers can be arranged in a manner that distributes the transducers to optimize the accuracy and response time of the combinational sensor system.

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