JPH03772Y2 - - Google Patents

Info

Publication number
JPH03772Y2
JPH03772Y2 JP4303986U JP4303986U JPH03772Y2 JP H03772 Y2 JPH03772 Y2 JP H03772Y2 JP 4303986 U JP4303986 U JP 4303986U JP 4303986 U JP4303986 U JP 4303986U JP H03772 Y2 JPH03772 Y2 JP H03772Y2
Authority
JP
Japan
Prior art keywords
transmitter unit
distance
differential
sound
sensitivity
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.)
Expired
Application number
JP4303986U
Other languages
English (en)
Japanese (ja)
Other versions
JPS62161449U (enrdf_load_stackoverflow
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 JP4303986U priority Critical patent/JPH03772Y2/ja
Publication of JPS62161449U publication Critical patent/JPS62161449U/ja
Application granted granted Critical
Publication of JPH03772Y2 publication Critical patent/JPH03772Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Telephone Set Structure (AREA)
JP4303986U 1986-03-26 1986-03-26 Expired JPH03772Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4303986U JPH03772Y2 (enrdf_load_stackoverflow) 1986-03-26 1986-03-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4303986U JPH03772Y2 (enrdf_load_stackoverflow) 1986-03-26 1986-03-26

Publications (2)

Publication Number Publication Date
JPS62161449U JPS62161449U (enrdf_load_stackoverflow) 1987-10-14
JPH03772Y2 true JPH03772Y2 (enrdf_load_stackoverflow) 1991-01-11

Family

ID=30859523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4303986U Expired JPH03772Y2 (enrdf_load_stackoverflow) 1986-03-26 1986-03-26

Country Status (1)

Country Link
JP (1) JPH03772Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS62161449U (enrdf_load_stackoverflow) 1987-10-14

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