JPH01151396U - - Google Patents

Info

Publication number
JPH01151396U
JPH01151396U JP4617288U JP4617288U JPH01151396U JP H01151396 U JPH01151396 U JP H01151396U JP 4617288 U JP4617288 U JP 4617288U JP 4617288 U JP4617288 U JP 4617288U JP H01151396 U JPH01151396 U JP H01151396U
Authority
JP
Japan
Prior art keywords
response
receiver
search signal
signal
transmitter
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
JP4617288U
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 JP4617288U priority Critical patent/JPH01151396U/ja
Publication of JPH01151396U publication Critical patent/JPH01151396U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Emergency Alarm Devices (AREA)
JP4617288U 1988-04-05 1988-04-05 Pending JPH01151396U (US20020051482A1-20020502-M00012.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4617288U JPH01151396U (US20020051482A1-20020502-M00012.png) 1988-04-05 1988-04-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4617288U JPH01151396U (US20020051482A1-20020502-M00012.png) 1988-04-05 1988-04-05

Publications (1)

Publication Number Publication Date
JPH01151396U true JPH01151396U (US20020051482A1-20020502-M00012.png) 1989-10-19

Family

ID=31272452

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4617288U Pending JPH01151396U (US20020051482A1-20020502-M00012.png) 1988-04-05 1988-04-05

Country Status (1)

Country Link
JP (1) JPH01151396U (US20020051482A1-20020502-M00012.png)

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