JPS5224407A - Call train suspending system - Google Patents

Call train suspending system

Info

Publication number
JPS5224407A
JPS5224407A JP10019275A JP10019275A JPS5224407A JP S5224407 A JPS5224407 A JP S5224407A JP 10019275 A JP10019275 A JP 10019275A JP 10019275 A JP10019275 A JP 10019275A JP S5224407 A JPS5224407 A JP S5224407A
Authority
JP
Japan
Prior art keywords
suspending system
train suspending
call train
call
train
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
JP10019275A
Other languages
Japanese (ja)
Inventor
Saburo Okuda
Jiro Shimada
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10019275A priority Critical patent/JPS5224407A/en
Publication of JPS5224407A publication Critical patent/JPS5224407A/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

Abstract

PURPOSE:To suspend a train even after a transmitting subscriber finishes his speech by a reception subscribers transmitting a train suspending signal, in the case that the accommodation position needs to be known because of a malicious call, rtc.
JP10019275A 1975-08-20 1975-08-20 Call train suspending system Pending JPS5224407A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10019275A JPS5224407A (en) 1975-08-20 1975-08-20 Call train suspending system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10019275A JPS5224407A (en) 1975-08-20 1975-08-20 Call train suspending system

Publications (1)

Publication Number Publication Date
JPS5224407A true JPS5224407A (en) 1977-02-23

Family

ID=14267427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10019275A Pending JPS5224407A (en) 1975-08-20 1975-08-20 Call train suspending system

Country Status (1)

Country Link
JP (1) JPS5224407A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59125189A (en) * 1982-12-29 1984-07-19 Fujitsu Ltd Transfer system for information on calling subscriber
JPS6258448U (en) * 1985-09-30 1987-04-11

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59125189A (en) * 1982-12-29 1984-07-19 Fujitsu Ltd Transfer system for information on calling subscriber
JPS6258448U (en) * 1985-09-30 1987-04-11
JPH0548193Y2 (en) * 1985-09-30 1993-12-21

Similar Documents

Publication Publication Date Title
JPS5555650A (en) Telephone communication system
JPS5421107A (en) Automatic response unit for telephone line
JPS5224407A (en) Call train suspending system
JPS5242015A (en) Run length code processing method for facsimile signal
JPS53110305A (en) Telephone set
JPS51115716A (en) Diversity receiver
JPS5263003A (en) Selective call communication system
JPS5422107A (en) Telephone calling device
JPS52113109A (en) Automatic answering telephone set
JPS5394808A (en) Multi-frequency signal receving system
JPS5414606A (en) Forced release system for incoming and tandem station
JPS52134308A (en) Incoming call transfer system
JPS5414103A (en) Communication system for mobile body
JPS53108210A (en) Mobile telephone system
JPS5435604A (en) Ringing system of push-button telephone set
JPS5247302A (en) Portable telephone system
JPS5440503A (en) Digital signal system
JPS5280703A (en) Selective call communication system
JPS5390704A (en) Incoming response system
JPS53108212A (en) Howler sound trasmission system
JPS53124008A (en) Call signal transmission system
JPS5250104A (en) Ordering communication system by amplified call
JPS5242302A (en) Inter-call system
JPS51138310A (en) Ringing signal sending system
JPS53127223A (en) Selective calling communication system