JPS55112693A - Alram system using ultrasonic wave - Google Patents

Alram system using ultrasonic wave

Info

Publication number
JPS55112693A
JPS55112693A JP1900279A JP1900279A JPS55112693A JP S55112693 A JPS55112693 A JP S55112693A JP 1900279 A JP1900279 A JP 1900279A JP 1900279 A JP1900279 A JP 1900279A JP S55112693 A JPS55112693 A JP S55112693A
Authority
JP
Japan
Prior art keywords
alram
ultrasonic wave
ultrasonic
wave
alram system
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
JP1900279A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6245600B2 (enExample
Inventor
Shirou Shirai
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.)
NIPPON KEIBI HOSHO KK
Original Assignee
NIPPON KEIBI HOSHO KK
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 NIPPON KEIBI HOSHO KK filed Critical NIPPON KEIBI HOSHO KK
Priority to JP1900279A priority Critical patent/JPS55112693A/ja
Publication of JPS55112693A publication Critical patent/JPS55112693A/ja
Publication of JPS6245600B2 publication Critical patent/JPS6245600B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
JP1900279A 1979-02-22 1979-02-22 Alram system using ultrasonic wave Granted JPS55112693A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1900279A JPS55112693A (en) 1979-02-22 1979-02-22 Alram system using ultrasonic wave

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1900279A JPS55112693A (en) 1979-02-22 1979-02-22 Alram system using ultrasonic wave

Publications (2)

Publication Number Publication Date
JPS55112693A true JPS55112693A (en) 1980-08-30
JPS6245600B2 JPS6245600B2 (enExample) 1987-09-28

Family

ID=11987320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1900279A Granted JPS55112693A (en) 1979-02-22 1979-02-22 Alram system using ultrasonic wave

Country Status (1)

Country Link
JP (1) JPS55112693A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS624458U (enExample) * 1985-06-25 1987-01-12
JP2002329262A (ja) * 2001-03-02 2002-11-15 Sumitomo Osaka Cement Co Ltd 監視システム
JP2011134354A (ja) * 2001-03-02 2011-07-07 Sumitomo Osaka Cement Co Ltd 監視システム

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS624458U (enExample) * 1985-06-25 1987-01-12
JP2002329262A (ja) * 2001-03-02 2002-11-15 Sumitomo Osaka Cement Co Ltd 監視システム
JP2011134354A (ja) * 2001-03-02 2011-07-07 Sumitomo Osaka Cement Co Ltd 監視システム

Also Published As

Publication number Publication date
JPS6245600B2 (enExample) 1987-09-28

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