Ultrasonic sensor

Details Ultrasonic sensor Ultrasonic sensor

2006-08-11

2011-11-15

Pihulic, Daniel (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Signal transducers

C367S902000

Reexamination Certificate

active

08059490

ABSTRACT:
An ultrasonic sensor having a diaphragm includes a heating element for heating the diaphragm.

REFERENCES:
patent: 3489679 (1970-01-01), Forrest et al.
patent: 4450430 (1984-05-01), Barishpolsky
patent: 5189914 (1993-03-01), White et al.
patent: 6282969 (2001-09-01), Daniel
patent: 2009/0211360 (2009-08-01), Rapps et al.
patent: WO 2007033869 (2007-03-01), None

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