JPS53107209A - Various-signal transmission system of time-division exchange - Google Patents

Various-signal transmission system of time-division exchange

Info

Publication number
JPS53107209A
JPS53107209A JP2254677A JP2254677A JPS53107209A JP S53107209 A JPS53107209 A JP S53107209A JP 2254677 A JP2254677 A JP 2254677A JP 2254677 A JP2254677 A JP 2254677A JP S53107209 A JPS53107209 A JP S53107209A
Authority
JP
Japan
Prior art keywords
various
time
signal transmission
transmission system
division exchange
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
JP2254677A
Other languages
Japanese (ja)
Inventor
Hideo Inoue
Kazuo Tsuzuki
Susumu Iwasaki
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 JP2254677A priority Critical patent/JPS53107209A/en
Publication of JPS53107209A publication Critical patent/JPS53107209A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
    • H04Q1/4575—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals which are transmitted in digital form

Abstract

PURPOSE:To simplify the transmission process for various signals and to prevent the amount of hardware from increasing, by sending out various signal to corresponding circuits.
JP2254677A 1977-03-01 1977-03-01 Various-signal transmission system of time-division exchange Pending JPS53107209A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2254677A JPS53107209A (en) 1977-03-01 1977-03-01 Various-signal transmission system of time-division exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2254677A JPS53107209A (en) 1977-03-01 1977-03-01 Various-signal transmission system of time-division exchange

Publications (1)

Publication Number Publication Date
JPS53107209A true JPS53107209A (en) 1978-09-19

Family

ID=12085819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2254677A Pending JPS53107209A (en) 1977-03-01 1977-03-01 Various-signal transmission system of time-division exchange

Country Status (1)

Country Link
JP (1) JPS53107209A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132089A (en) * 1980-02-19 1981-10-16 Cit Alcatel Digital frequency oscillator
JPS62208791A (en) * 1986-03-10 1987-09-14 Hitachi Ltd Digital signal trunk
JPS6327191A (en) * 1986-07-18 1988-02-04 Sanyo Electric Co Ltd Pb signal transmitting method for private digital electronic exchange

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132089A (en) * 1980-02-19 1981-10-16 Cit Alcatel Digital frequency oscillator
JPS62208791A (en) * 1986-03-10 1987-09-14 Hitachi Ltd Digital signal trunk
JPS6327191A (en) * 1986-07-18 1988-02-04 Sanyo Electric Co Ltd Pb signal transmitting method for private digital electronic exchange

Similar Documents

Publication Publication Date Title
JPS53107209A (en) Various-signal transmission system of time-division exchange
JPS5275905A (en) Information signal transmission system for bucket communication
JPS5443429A (en) Multiple series input process system
JPS5310912A (en) Two-way multiplex transmission control system
JPS5398704A (en) Optical multiplex transmission system
JPS53105923A (en) Automatic test system for ringer
JPS5416945A (en) Signal transmission system
JPS547213A (en) Howler signal transmission system
JPS53131706A (en) Automatic telephone exchange system
JPS5365007A (en) Transmission system for intermittent signal
JPS5440505A (en) Digital pad control system
JPS53127207A (en) Time sharing exchanger system
JPS5379306A (en) Dp sugnal transmission system
JPS5376285A (en) Tele-controlling system
JPS5215215A (en) Signal transmission system for two-wire system
JPS53131707A (en) Auotmatic telephone exchange system
JPS53119604A (en) Transmission system for control signal of key telephone set
JPS5443431A (en) Communication control unit
JPS53131712A (en) Hot-line connection system for automatic exchange
JPS5440506A (en) First ringing control system for time-division exchange
JPS53102623A (en) Digital trasnsmission system for television signal
JPS53136910A (en) Initial connection system for time division multiple connecting communication system
JPS5432205A (en) Time sharing digital communication unit
JPS53137610A (en) Dial pulse transmission system
JPS52147906A (en) Control system for display unit