Title:
超音波送受信器
Document Type and Number:
Japanese Patent JP4586604
Kind Code:
B2
Abstract:
To provide an ultrasonic transceiver whose generated voltage is discharged so as to protect elements in its converter from destruction even under an environment where a temperature change is caused and an excess force is exerted to the transceiver.
The ultrasonic transceiver 10 includes: an ultrasonic vibrator 2 with a positive side connection part 2a and a negative side connection part 2b; and a discharge purpose electric resistor 7, and the electric resistor 7 is connected between the positive side connection part 2a and the negative side connection part 2b so as to discharge the generated voltage from the ultrasonic vibrator 2.
COPYRIGHT: (C)2007,JPO&INPIT
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Inventors:
Osamu Kashimura
Toshihiro Yamamoto
Hironobu Yao
Noriyuki Hirayama
Toshihiro Yamamoto
Hironobu Yao
Noriyuki Hirayama
Application Number:
JP2005090520A
Publication Date:
November 24, 2010
Filing Date:
March 28, 2005
Export Citation:
Assignee:
Fuji Electric Systems Co., Ltd.
International Classes:
H04R17/00; G01F1/66
Domestic Patent References:
| JP2005031052A | ||||
| JP2001197592A |
Attorney, Agent or Firm:
Yuichi Morita