Title:
Ultrasonic sensor
Document Type and Number:
Japanese Patent JP6021055
Kind Code:
B2
Inventors:
Tadashi Masashi
Yamauchi Kazumasa
Yamauchi Kazumasa
Application Number:
JP2012125513A
Publication Date:
November 02, 2016
Filing Date:
May 31, 2012
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
G01S7/524; H04R3/00; H04R17/00
Domestic Patent References:
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Foreign References:
| US8681464 |
Other References:
田山 浩之 Hiroyuki Tayama Hiroyuki Tayama,一共振周波数の上昇及び下降制御一外部電子回路による圧電デバイスの共振周波数可変範囲の拡張に関する検討(2) Raising and lowering direction of a Resonance Frequency-Resonance Frequency control of piezoelectric transducers using external electronic circuits,日本音響学会研究発表会議講演論文集 秋II,2004年 9月,P.1237-1238
Attorney, Agent or Firm:
Yasuo Itaya
Katsumi Taguchi
Shinichi Mizuta
Itaya Masayuki
Katsumi Taguchi
Shinichi Mizuta
Itaya Masayuki