JPS55105462A - Absence telephone system - Google Patents

Absence telephone system

Info

Publication number
JPS55105462A
JPS55105462A JP1296179A JP1296179A JPS55105462A JP S55105462 A JPS55105462 A JP S55105462A JP 1296179 A JP1296179 A JP 1296179A JP 1296179 A JP1296179 A JP 1296179A JP S55105462 A JPS55105462 A JP S55105462A
Authority
JP
Japan
Prior art keywords
subscriber
unit
ans
incoming
reply
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
JP1296179A
Other languages
Japanese (ja)
Inventor
Osamu Miura
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP1296179A priority Critical patent/JPS55105462A/en
Publication of JPS55105462A publication Critical patent/JPS55105462A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set

Landscapes

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

Abstract

PURPOSE:To secure the reception and memorization of the number of the originating subscriber at the unit of the incoming side along with the display of incoming through the originating subscriber's operation of the push-button dial in case a fixed time passed after dialing or the ringing tone continues in the fixed frequency. CONSTITUTION:In case subscriber 3 is absent, detector 21 detects the continuation of the ringing tone for a fixed time or fixed frequency and then applies the signal to control unit 26. Thus relay ANS which is not shown in the diagram operates to send the reply back to the exchange unit. In other words, the subscriber's line is closed via transformer 27 and by the function of contacts ans<0> and ans<1>, and thus the automatic reply is secured to stop the oscillation tone. After this reply, the caller decides the silence and then transmits the telephone number of his own by PB of the self-telephone. Receiving device 22 receives the number via transformer 27, and this information is memorized in memory unit 24 through control part 26. Then the reception of the incoming is displayed on the display unit. When the transmission of a series of the number is over, the telephone line is cut off by the on-hook of the caller to secure the release.
JP1296179A 1979-02-07 1979-02-07 Absence telephone system Pending JPS55105462A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1296179A JPS55105462A (en) 1979-02-07 1979-02-07 Absence telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1296179A JPS55105462A (en) 1979-02-07 1979-02-07 Absence telephone system

Publications (1)

Publication Number Publication Date
JPS55105462A true JPS55105462A (en) 1980-08-13

Family

ID=11819845

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1296179A Pending JPS55105462A (en) 1979-02-07 1979-02-07 Absence telephone system

Country Status (1)

Country Link
JP (1) JPS55105462A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6059851A (en) * 1983-09-12 1985-04-06 Nippon Telegr & Teleph Corp <Ntt> Transfer-display and recording system of caller identification information
JPS61108248A (en) * 1984-10-31 1986-05-26 Nec Home Electronics Ltd Automatic answering telephone set
JPS6291060A (en) * 1985-10-16 1987-04-25 Panafacom Ltd Return informing equipment
JPS6447157A (en) * 1987-08-17 1989-02-21 Meisei Electric Co Ltd Absence incoming call processing unit
JPS6452344U (en) * 1987-09-26 1989-03-31
JPH024060A (en) * 1988-06-20 1990-01-09 Fujitsu Ltd System for adding transmitting person identifying code
JPH0258459A (en) * 1988-08-24 1990-02-27 Canon Inc Communication terminal equipment

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54142007A (en) * 1978-04-20 1979-11-05 Feedback Ltd Device for storing and indicating telephone number

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54142007A (en) * 1978-04-20 1979-11-05 Feedback Ltd Device for storing and indicating telephone number

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6059851A (en) * 1983-09-12 1985-04-06 Nippon Telegr & Teleph Corp <Ntt> Transfer-display and recording system of caller identification information
JPH0133984B2 (en) * 1983-09-12 1989-07-17 Nippon Telegraph & Telephone
JPS61108248A (en) * 1984-10-31 1986-05-26 Nec Home Electronics Ltd Automatic answering telephone set
JPS6291060A (en) * 1985-10-16 1987-04-25 Panafacom Ltd Return informing equipment
JPS6447157A (en) * 1987-08-17 1989-02-21 Meisei Electric Co Ltd Absence incoming call processing unit
JPS6452344U (en) * 1987-09-26 1989-03-31
JPH024060A (en) * 1988-06-20 1990-01-09 Fujitsu Ltd System for adding transmitting person identifying code
JPH0258459A (en) * 1988-08-24 1990-02-27 Canon Inc Communication terminal equipment

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