JPS5541003A - Selective response system of telephone - Google Patents

Selective response system of telephone

Info

Publication number
JPS5541003A
JPS5541003A JP11310278A JP11310278A JPS5541003A JP S5541003 A JPS5541003 A JP S5541003A JP 11310278 A JP11310278 A JP 11310278A JP 11310278 A JP11310278 A JP 11310278A JP S5541003 A JPS5541003 A JP S5541003A
Authority
JP
Japan
Prior art keywords
subscriber
specific
signal generator
selective response
call
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
JP11310278A
Other languages
Japanese (ja)
Inventor
Takashi Miyaji
Toru Okada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP11310278A priority Critical patent/JPS5541003A/en
Publication of JPS5541003A publication Critical patent/JPS5541003A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)

Abstract

PURPOSE:To enable practical selective response, by causing call-out signal newly only with the subscribers transmitting a specific signal. CONSTITUTION:The specific subscriber E has the calling use special signal generator SG. Further, the subscriber F which can make selective response can select the normal response and the selective response with the selector switch SW. Further, when the subscriber E selects the specific subscriber F, the signal generator SG is operated, the specific signal receiver SR at the subscriber F side is activated, and the call-out from the subscriber having the specific signal generator SG is informed by bell or buzzer. Accordingly, the subscriber F selects the switch SW to make communication. Further, to the call-out signal from the subscribers not having the specific signal generator SG, the automatic response unit ARS is activated.
JP11310278A 1978-09-15 1978-09-15 Selective response system of telephone Pending JPS5541003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11310278A JPS5541003A (en) 1978-09-15 1978-09-15 Selective response system of telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11310278A JPS5541003A (en) 1978-09-15 1978-09-15 Selective response system of telephone

Publications (1)

Publication Number Publication Date
JPS5541003A true JPS5541003A (en) 1980-03-22

Family

ID=14603523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11310278A Pending JPS5541003A (en) 1978-09-15 1978-09-15 Selective response system of telephone

Country Status (1)

Country Link
JP (1) JPS5541003A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866455A (en) * 1981-10-16 1983-04-20 Hitachi Ltd Selective call restriction method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5399802A (en) * 1977-02-14 1978-08-31 Nippon Telegr & Teleph Corp <Ntt> Specific subscriber calling equipment of automatic answering telephone set

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5399802A (en) * 1977-02-14 1978-08-31 Nippon Telegr & Teleph Corp <Ntt> Specific subscriber calling equipment of automatic answering telephone set

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866455A (en) * 1981-10-16 1983-04-20 Hitachi Ltd Selective call restriction method

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