Ultrasound transducer for application in extreme climatic...

Details Ultrasound transducer for application in extreme climatic... Ultrasound transducer for application in extreme climatic...

2006-12-12

2006-12-12

Pihulic, Dan (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

Reexamination Certificate

active

07149151

ABSTRACT:
The invention relates to an ultrasound transducer in particular for application in ultrasound anemometry, comprising an electromechanical transducer (1) with an acoustically active surface, an acoustic matching layer (3) arranged between the acoustic surfaces of the converter and the exposed acoustic surfaces, and an electrical heating element (2). The heating element (2) is arranged between the acoustically active surfaces of the transducer (1) and the matching layer (3).

REFERENCES:
patent: 3818425 (1974-06-01), Peynaud et al.
patent: 4890488 (1990-01-01), Pincent et al.
patent: 4891796 (1990-01-01), Sekine
patent: 3413345 (1984-10-01), None
patent: 19957125 (2001-06-01), None
patent: 62239800 (1987-10-01), None
patent: 08065795 (1996-03-01), None
patent: WO 98/38528 (1998-09-01), None

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