JPS5432778A - Ultrasonic switch - Google Patents

Ultrasonic switch

Info

Publication number
JPS5432778A
JPS5432778A JP9866977A JP9866977A JPS5432778A JP S5432778 A JPS5432778 A JP S5432778A JP 9866977 A JP9866977 A JP 9866977A JP 9866977 A JP9866977 A JP 9866977A JP S5432778 A JPS5432778 A JP S5432778A
Authority
JP
Japan
Prior art keywords
ultrasonic switch
ultrasonic
switch
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.)
Pending
Application number
JP9866977A
Other languages
Japanese (ja)
Inventor
Fuminobu Takahashi
Masaaki Fujii
Fumio Tomizawa
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 JP9866977A priority Critical patent/JPS5432778A/en
Publication of JPS5432778A publication Critical patent/JPS5432778A/en
Pending legal-status Critical Current

Links

Landscapes

  • Switches Operated By Changes In Physical Conditions (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP9866977A 1977-08-19 1977-08-19 Ultrasonic switch Pending JPS5432778A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9866977A JPS5432778A (en) 1977-08-19 1977-08-19 Ultrasonic switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9866977A JPS5432778A (en) 1977-08-19 1977-08-19 Ultrasonic switch

Publications (1)

Publication Number Publication Date
JPS5432778A true JPS5432778A (en) 1979-03-10

Family

ID=14225911

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9866977A Pending JPS5432778A (en) 1977-08-19 1977-08-19 Ultrasonic switch

Country Status (1)

Country Link
JP (1) JPS5432778A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57173229A (en) * 1981-03-30 1982-10-25 Roland Man Druckmasch Priximity switch
WO2017171046A1 (en) * 2016-03-31 2017-10-05 株式会社未来機械 Work robot and edge detector
CN113615376A (en) * 2020-05-08 2021-11-09 胡斯华纳有限公司 Outdoor robotic work tool and method for use in outdoor robotic work tool

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57173229A (en) * 1981-03-30 1982-10-25 Roland Man Druckmasch Priximity switch
WO2017171046A1 (en) * 2016-03-31 2017-10-05 株式会社未来機械 Work robot and edge detector
CN109074071A (en) * 2016-03-31 2018-12-21 株式会社未来机械 Work robot and edge detector
JPWO2017171046A1 (en) * 2016-03-31 2019-03-07 株式会社未来機械 Working robot and edge detector
CN109074071B (en) * 2016-03-31 2021-10-08 株式会社未来机械 Work robot and edge detector
CN113615376A (en) * 2020-05-08 2021-11-09 胡斯华纳有限公司 Outdoor robotic work tool and method for use in outdoor robotic work tool

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