JPS5718745B2 - - Google Patents

Info

Publication number
JPS5718745B2
JPS5718745B2 JP1252876A JP1252876A JPS5718745B2 JP S5718745 B2 JPS5718745 B2 JP S5718745B2 JP 1252876 A JP1252876 A JP 1252876A JP 1252876 A JP1252876 A JP 1252876A JP S5718745 B2 JPS5718745 B2 JP S5718745B2
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.)
Expired
Application number
JP1252876A
Other languages
Japanese (ja)
Other versions
JPS5295105A (en
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 JP1252876A priority Critical patent/JPS5295105A/ja
Publication of JPS5295105A publication Critical patent/JPS5295105A/ja
Publication of JPS5718745B2 publication Critical patent/JPS5718745B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/10—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic with switching of direction of transmission by voice frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP1252876A 1976-02-06 1976-02-06 High tone mutual talking apparatus Granted JPS5295105A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1252876A JPS5295105A (en) 1976-02-06 1976-02-06 High tone mutual talking apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1252876A JPS5295105A (en) 1976-02-06 1976-02-06 High tone mutual talking apparatus

Publications (2)

Publication Number Publication Date
JPS5295105A JPS5295105A (en) 1977-08-10
JPS5718745B2 true JPS5718745B2 (OSRAM) 1982-04-19

Family

ID=11807821

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1252876A Granted JPS5295105A (en) 1976-02-06 1976-02-06 High tone mutual talking apparatus

Country Status (1)

Country Link
JP (1) JPS5295105A (OSRAM)

Also Published As

Publication number Publication date
JPS5295105A (en) 1977-08-10

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