JPS5515890U - - Google Patents

Info

Publication number
JPS5515890U
JPS5515890U JP11152979U JP11152979U JPS5515890U JP S5515890 U JPS5515890 U JP S5515890U JP 11152979 U JP11152979 U JP 11152979U JP 11152979 U JP11152979 U JP 11152979U JP S5515890 U JPS5515890 U JP S5515890U
Authority
JP
Japan
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
JP11152979U
Other languages
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 JP11152979U priority Critical patent/JPS5515890U/ja
Publication of JPS5515890U publication Critical patent/JPS5515890U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP11152979U 1979-08-15 1979-08-15 Pending JPS5515890U (Direct)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11152979U JPS5515890U (Direct) 1979-08-15 1979-08-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11152979U JPS5515890U (Direct) 1979-08-15 1979-08-15

Publications (1)

Publication Number Publication Date
JPS5515890U true JPS5515890U (Direct) 1980-01-31

Family

ID=29059468

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11152979U Pending JPS5515890U (Direct) 1979-08-15 1979-08-15

Country Status (1)

Country Link
JP (1) JPS5515890U (Direct)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3050584A (en) * 1958-12-24 1962-08-21 American Telephone & Telegraph Conference telephone apparatus
JPS4828103A (Direct) * 1971-08-13 1973-04-13

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3050584A (en) * 1958-12-24 1962-08-21 American Telephone & Telegraph Conference telephone apparatus
JPS4828103A (Direct) * 1971-08-13 1973-04-13

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