JPS5272478A - Supersonic switch - Google Patents

Supersonic switch

Info

Publication number
JPS5272478A
JPS5272478A JP50149810A JP14981075A JPS5272478A JP S5272478 A JPS5272478 A JP S5272478A JP 50149810 A JP50149810 A JP 50149810A JP 14981075 A JP14981075 A JP 14981075A JP S5272478 A JPS5272478 A JP S5272478A
Authority
JP
Japan
Prior art keywords
supersonic switch
supersonic
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.)
Granted
Application number
JP50149810A
Other languages
Japanese (ja)
Other versions
JPS5732843B2 (en
Inventor
Hironobu Inoue
Susumu Katayama
Hiroshi Oohashi
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 JP50149810A priority Critical patent/JPS5272478A/en
Priority to GB51467/76A priority patent/GB1568229A/en
Priority to US05/749,072 priority patent/US4131872A/en
Priority to DE2656256A priority patent/DE2656256C3/en
Priority to FR7637688A priority patent/FR2335853A1/en
Publication of JPS5272478A publication Critical patent/JPS5272478A/en
Publication of JPS5732843B2 publication Critical patent/JPS5732843B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Traffic Control Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP50149810A 1975-12-15 1975-12-15 Supersonic switch Granted JPS5272478A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP50149810A JPS5272478A (en) 1975-12-15 1975-12-15 Supersonic switch
GB51467/76A GB1568229A (en) 1975-12-15 1976-12-09 Ultrasonic wave echo-type switch
US05/749,072 US4131872A (en) 1975-12-15 1976-12-09 Ultrasonic wave echo-type switch
DE2656256A DE2656256C3 (en) 1975-12-15 1976-12-11 Circuit arrangement for monitoring a room with ultrasound
FR7637688A FR2335853A1 (en) 1975-12-15 1976-12-14 ULTRASONIC PULSE OBJECT DETECTION DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50149810A JPS5272478A (en) 1975-12-15 1975-12-15 Supersonic switch

Publications (2)

Publication Number Publication Date
JPS5272478A true JPS5272478A (en) 1977-06-16
JPS5732843B2 JPS5732843B2 (en) 1982-07-13

Family

ID=15483196

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50149810A Granted JPS5272478A (en) 1975-12-15 1975-12-15 Supersonic switch

Country Status (1)

Country Link
JP (1) JPS5272478A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585272A (en) * 1978-12-22 1980-06-27 Kooa Denshi Kogyo Kk Body confirming device
JPS57172623A (en) * 1981-04-17 1982-10-23 Tokyo Shibaura Electric Co Automatic electricity-saving device
JPS58150878A (en) * 1982-03-03 1983-09-07 Mitsubishi Electric Corp Object detector
JPS59104581A (en) * 1982-12-06 1984-06-16 Mitsui Constr Co Ltd Measurement of distance in hole excavated underground
JPS61139709A (en) * 1984-12-12 1986-06-27 Oki Electric Ind Co Ltd Height detection system
JPS6454278A (en) * 1987-08-25 1989-03-01 Matsushita Electric Works Ltd Controller for snow melting apparatus

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585272A (en) * 1978-12-22 1980-06-27 Kooa Denshi Kogyo Kk Body confirming device
JPS6310398B2 (en) * 1978-12-22 1988-03-07 Kooa Denshi Kogyo Kk
JPS57172623A (en) * 1981-04-17 1982-10-23 Tokyo Shibaura Electric Co Automatic electricity-saving device
JPS6310796B2 (en) * 1981-04-17 1988-03-09 Tokyo Shibaura Electric Co
JPS58150878A (en) * 1982-03-03 1983-09-07 Mitsubishi Electric Corp Object detector
JPS59104581A (en) * 1982-12-06 1984-06-16 Mitsui Constr Co Ltd Measurement of distance in hole excavated underground
JPS61139709A (en) * 1984-12-12 1986-06-27 Oki Electric Ind Co Ltd Height detection system
JPH0583842B2 (en) * 1984-12-12 1993-11-29 Oki Electric Ind Co Ltd
JPS6454278A (en) * 1987-08-25 1989-03-01 Matsushita Electric Works Ltd Controller for snow melting apparatus

Also Published As

Publication number Publication date
JPS5732843B2 (en) 1982-07-13

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