JPH0220651Y2 - - Google Patents

Info

Publication number
JPH0220651Y2
JPH0220651Y2 JP1983165067U JP16506783U JPH0220651Y2 JP H0220651 Y2 JPH0220651 Y2 JP H0220651Y2 JP 1983165067 U JP1983165067 U JP 1983165067U JP 16506783 U JP16506783 U JP 16506783U JP H0220651 Y2 JPH0220651 Y2 JP H0220651Y2
Authority
JP
Japan
Prior art keywords
diaphragm
protrusion
piezoelectric ceramic
center
substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP1983165067U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6072531U (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP16506783U priority Critical patent/JPS6072531U/ja
Priority to US06/664,867 priority patent/US4660410A/en
Publication of JPS6072531U publication Critical patent/JPS6072531U/ja
Application granted granted Critical
Publication of JPH0220651Y2 publication Critical patent/JPH0220651Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP16506783U 1983-10-25 1983-10-25 ノツクセンサ Granted JPS6072531U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP16506783U JPS6072531U (ja) 1983-10-25 1983-10-25 ノツクセンサ
US06/664,867 US4660410A (en) 1983-10-25 1984-10-25 Knock sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16506783U JPS6072531U (ja) 1983-10-25 1983-10-25 ノツクセンサ

Publications (2)

Publication Number Publication Date
JPS6072531U JPS6072531U (ja) 1985-05-22
JPH0220651Y2 true JPH0220651Y2 (en:Method) 1990-06-05

Family

ID=30361725

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16506783U Granted JPS6072531U (ja) 1983-10-25 1983-10-25 ノツクセンサ

Country Status (1)

Country Link
JP (1) JPS6072531U (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2621566B2 (ja) * 1990-04-16 1997-06-18 松下電器産業株式会社 ノックセンサ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6032584Y2 (ja) * 1980-08-18 1985-09-28 日本特殊陶業株式会社 振動検出器

Also Published As

Publication number Publication date
JPS6072531U (ja) 1985-05-22

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