JPS6175668U - - Google Patents

Info

Publication number
JPS6175668U
JPS6175668U JP16041184U JP16041184U JPS6175668U JP S6175668 U JPS6175668 U JP S6175668U JP 16041184 U JP16041184 U JP 16041184U JP 16041184 U JP16041184 U JP 16041184U JP S6175668 U JPS6175668 U JP S6175668U
Authority
JP
Japan
Prior art keywords
call
intercoms
activated
units
carrier waves
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
JP16041184U
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 JP16041184U priority Critical patent/JPS6175668U/ja
Publication of JPS6175668U publication Critical patent/JPS6175668U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP16041184U 1984-10-25 1984-10-25 Pending JPS6175668U (fi)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16041184U JPS6175668U (fi) 1984-10-25 1984-10-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16041184U JPS6175668U (fi) 1984-10-25 1984-10-25

Publications (1)

Publication Number Publication Date
JPS6175668U true JPS6175668U (fi) 1986-05-21

Family

ID=30718333

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16041184U Pending JPS6175668U (fi) 1984-10-25 1984-10-25

Country Status (1)

Country Link
JP (1) JPS6175668U (fi)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5836066A (ja) * 1981-08-27 1983-03-02 Sanii Denshi Kk Ｆｍ搬送波式インタ−ホンの通信方式
JPS59178857A (ja) * 1983-03-30 1984-10-11 Toshiba Electric Equip Corp インタ−ホン装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5836066A (ja) * 1981-08-27 1983-03-02 Sanii Denshi Kk Ｆｍ搬送波式インタ−ホンの通信方式
JPS59178857A (ja) * 1983-03-30 1984-10-11 Toshiba Electric Equip Corp インタ−ホン装置

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