JPS5272598A - Ultrasonic alarm - Google Patents

Ultrasonic alarm

Info

Publication number
JPS5272598A
JPS5272598A JP14981475A JP14981475A JPS5272598A JP S5272598 A JPS5272598 A JP S5272598A JP 14981475 A JP14981475 A JP 14981475A JP 14981475 A JP14981475 A JP 14981475A JP S5272598 A JPS5272598 A JP S5272598A
Authority
JP
Japan
Prior art keywords
ultrasonic alarm
alarm
ultrasonic
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
JP14981475A
Other languages
Japanese (ja)
Inventor
Hiroshi Oohashi
Hironobu Inoue
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 JP14981475A priority Critical patent/JPS5272598A/en
Publication of JPS5272598A publication Critical patent/JPS5272598A/en
Pending legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP14981475A 1975-12-15 1975-12-15 Ultrasonic alarm Pending JPS5272598A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14981475A JPS5272598A (en) 1975-12-15 1975-12-15 Ultrasonic alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14981475A JPS5272598A (en) 1975-12-15 1975-12-15 Ultrasonic alarm

Publications (1)

Publication Number Publication Date
JPS5272598A true JPS5272598A (en) 1977-06-17

Family

ID=15483281

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14981475A Pending JPS5272598A (en) 1975-12-15 1975-12-15 Ultrasonic alarm

Country Status (1)

Country Link
JP (1) JPS5272598A (en)

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