Communications – electrical: acoustic wave systems and devices – Signal transducers – Receivers
Reexamination Certificate
2004-05-15
2009-06-23
Pihulic, Dan (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Signal transducers
Receivers
Reexamination Certificate
active
07551520
ABSTRACT:
The invention relates to a sensor (12) for a short-range detection system and/or parking system of a motor vehicle, especially an ultrasound sensor. The sensor comprises a pot-shaped housing (10), whereby the base thereof (14) is embodied as an oscillating membrane. The housing comprises a coating on at least the outer side. The invention is characterized in that the coating is made of powder (18) which is weather-proof, which can be coated and which has no or no significant negative influence upon the oscillation behavior of the membrane. The invention also relates to a method for the production of this type of sensor.
REFERENCES:
patent: 2006/0052491 (2006-03-01), Braig et al.
patent: 2007/0017807 (2007-01-01), Korthals
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patent: WO 02/071002 (2002-09-01), None
patent: WO 2005024451 (2005-03-01), None
Gruedl Dietmar
Hoenle Juergen
Korthals Wilhelm
Triebl Stefan
Pihulic Dan
Valeo Schalter und Sensoren GmbH
Vincent Paul
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