JPS5715507B2 - - Google Patents

Info

Publication number
JPS5715507B2
JPS5715507B2 JP11691275A JP11691275A JPS5715507B2 JP S5715507 B2 JPS5715507 B2 JP S5715507B2 JP 11691275 A JP11691275 A JP 11691275A JP 11691275 A JP11691275 A JP 11691275A JP S5715507 B2 JPS5715507 B2 JP S5715507B2
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
JP11691275A
Other languages
Japanese (ja)
Other versions
JPS5240906A (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 JP11691275A priority Critical patent/JPS5240906A/ja
Priority to US05/703,068 priority patent/US4097694A/en
Publication of JPS5240906A publication Critical patent/JPS5240906A/ja
Publication of JPS5715507B2 publication Critical patent/JPS5715507B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/56Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/02Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
    • H04M11/022Paging systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
JP11691275A 1975-07-09 1975-09-26 Conference telephone conversation system through time division exchang e Granted JPS5240906A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP11691275A JPS5240906A (en) 1975-09-26 1975-09-26 Conference telephone conversation system through time division exchang e
US05/703,068 US4097694A (en) 1975-07-09 1976-07-06 Time-division telephone system embodying trunks having demodulating-adder circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11691275A JPS5240906A (en) 1975-09-26 1975-09-26 Conference telephone conversation system through time division exchang e

Publications (2)

Publication Number Publication Date
JPS5240906A JPS5240906A (en) 1977-03-30
JPS5715507B2 true JPS5715507B2 (fi) 1982-03-31

Family

ID=14698717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11691275A Granted JPS5240906A (en) 1975-07-09 1975-09-26 Conference telephone conversation system through time division exchang e

Country Status (1)

Country Link
JP (1) JPS5240906A (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63292708A (ja) * 1987-05-25 1988-11-30 Nec Corp 非線形信号発生回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4898705A (fi) * 1972-03-27 1973-12-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4898705A (fi) * 1972-03-27 1973-12-14

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63292708A (ja) * 1987-05-25 1988-11-30 Nec Corp 非線形信号発生回路

Also Published As

Publication number Publication date
JPS5240906A (en) 1977-03-30

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