JPS618440B2 - - Google Patents

Info

Publication number
JPS618440B2
JPS618440B2 JP54066211A JP6621179A JPS618440B2 JP S618440 B2 JPS618440 B2 JP S618440B2 JP 54066211 A JP54066211 A JP 54066211A JP 6621179 A JP6621179 A JP 6621179A JP S618440 B2 JPS618440 B2 JP S618440B2
Authority
JP
Japan
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
JP54066211A
Other languages
Japanese (ja)
Other versions
JPS55159500A (en
Inventor
Katsumi Ootsuki
Shotaro Naito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6621179A priority Critical patent/JPS55159500A/ja
Publication of JPS55159500A publication Critical patent/JPS55159500A/ja
Publication of JPS618440B2 publication Critical patent/JPS618440B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transducers For Ultrasonic Waves (AREA)
JP6621179A 1979-05-30 1979-05-30 Alarm Granted JPS55159500A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6621179A JPS55159500A (en) 1979-05-30 1979-05-30 Alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6621179A JPS55159500A (en) 1979-05-30 1979-05-30 Alarm

Publications (2)

Publication Number Publication Date
JPS55159500A JPS55159500A (en) 1980-12-11
JPS618440B2 true JPS618440B2 (de) 1986-03-14

Family

ID=13309257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6621179A Granted JPS55159500A (en) 1979-05-30 1979-05-30 Alarm

Country Status (1)

Country Link
JP (1) JPS55159500A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11474239B2 (en) 2017-03-07 2022-10-18 Denso Corporation Ultrasonic wave sensor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023059018A (ja) * 2021-10-14 2023-04-26 株式会社ダイセル 電気回路遮断装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11474239B2 (en) 2017-03-07 2022-10-18 Denso Corporation Ultrasonic wave sensor

Also Published As

Publication number Publication date
JPS55159500A (en) 1980-12-11

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