JPS53100479A - Echo type switch - Google Patents

Echo type switch

Info

Publication number
JPS53100479A
JPS53100479A JP1536577A JP1536577A JPS53100479A JP S53100479 A JPS53100479 A JP S53100479A JP 1536577 A JP1536577 A JP 1536577A JP 1536577 A JP1536577 A JP 1536577A JP S53100479 A JPS53100479 A JP S53100479A
Authority
JP
Japan
Prior art keywords
type switch
echo type
echo
switch
type
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
JP1536577A
Other languages
Japanese (ja)
Inventor
Hironobu Inoue
Hiroshi Oohashi
Susumu Katayama
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP1536577A priority Critical patent/JPS53100479A/en
Publication of JPS53100479A publication Critical patent/JPS53100479A/en
Pending legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP1536577A 1977-02-14 1977-02-14 Echo type switch Pending JPS53100479A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1536577A JPS53100479A (en) 1977-02-14 1977-02-14 Echo type switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1536577A JPS53100479A (en) 1977-02-14 1977-02-14 Echo type switch

Publications (1)

Publication Number Publication Date
JPS53100479A true JPS53100479A (en) 1978-09-01

Family

ID=11886759

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1536577A Pending JPS53100479A (en) 1977-02-14 1977-02-14 Echo type switch

Country Status (1)

Country Link
JP (1) JPS53100479A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01101484A (en) * 1987-10-15 1989-04-19 Matsushita Electric Works Ltd Ultrasonic body detecting device
JPH01140086A (en) * 1987-11-26 1989-06-01 Matsushita Electric Works Ltd Supersonic object detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01101484A (en) * 1987-10-15 1989-04-19 Matsushita Electric Works Ltd Ultrasonic body detecting device
JPH01140086A (en) * 1987-11-26 1989-06-01 Matsushita Electric Works Ltd Supersonic object detector

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