JPH0339190U - - Google Patents

Info

Publication number
JPH0339190U
JPH0339190U JP9999189U JP9999189U JPH0339190U JP H0339190 U JPH0339190 U JP H0339190U JP 9999189 U JP9999189 U JP 9999189U JP 9999189 U JP9999189 U JP 9999189U JP H0339190 U JPH0339190 U JP H0339190U
Authority
JP
Japan
Prior art keywords
detecting
crime prevention
ultrasonic waves
monitoring space
state
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
JP9999189U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP9999189U priority Critical patent/JPH0339190U/ja
Publication of JPH0339190U publication Critical patent/JPH0339190U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP9999189U 1989-08-28 1989-08-28 Pending JPH0339190U (id)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9999189U JPH0339190U (id) 1989-08-28 1989-08-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9999189U JPH0339190U (id) 1989-08-28 1989-08-28

Publications (1)

Publication Number Publication Date
JPH0339190U true JPH0339190U (id) 1991-04-16

Family

ID=31649016

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9999189U Pending JPH0339190U (id) 1989-08-28 1989-08-28

Country Status (1)

Country Link
JP (1) JPH0339190U (id)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5426698A (en) * 1977-07-30 1979-02-28 Matsushita Electric Works Ltd Alarm unit using ultrasonic waves
JPS5532179A (en) * 1978-08-28 1980-03-06 Sharp Kk Device for detecting intercepting member
JPS62147382A (ja) * 1985-12-23 1987-07-01 Matsushita Electric Works Ltd 移動物体検知装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5426698A (en) * 1977-07-30 1979-02-28 Matsushita Electric Works Ltd Alarm unit using ultrasonic waves
JPS5532179A (en) * 1978-08-28 1980-03-06 Sharp Kk Device for detecting intercepting member
JPS62147382A (ja) * 1985-12-23 1987-07-01 Matsushita Electric Works Ltd 移動物体検知装置

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