JPS57203352A - Call system for exclusive order-wire circuit - Google Patents

Call system for exclusive order-wire circuit

Info

Publication number
JPS57203352A
JPS57203352A JP8915981A JP8915981A JPS57203352A JP S57203352 A JPS57203352 A JP S57203352A JP 8915981 A JP8915981 A JP 8915981A JP 8915981 A JP8915981 A JP 8915981A JP S57203352 A JPS57203352 A JP S57203352A
Authority
JP
Japan
Prior art keywords
circuit
signal
telephone
ascending
voice
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
JP8915981A
Other languages
English (en)
Inventor
Yoshiaki Ono
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 JP8915981A priority Critical patent/JPS57203352A/ja
Publication of JPS57203352A publication Critical patent/JPS57203352A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
JP8915981A 1981-06-10 1981-06-10 Call system for exclusive order-wire circuit Pending JPS57203352A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8915981A JPS57203352A (en) 1981-06-10 1981-06-10 Call system for exclusive order-wire circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8915981A JPS57203352A (en) 1981-06-10 1981-06-10 Call system for exclusive order-wire circuit

Publications (1)

Publication Number Publication Date
JPS57203352A true JPS57203352A (en) 1982-12-13

Family

ID=13963048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8915981A Pending JPS57203352A (en) 1981-06-10 1981-06-10 Call system for exclusive order-wire circuit

Country Status (1)

Country Link
JP (1) JPS57203352A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008164115A (ja) * 2006-12-28 2008-07-17 Taiyo Nippon Sanso Corp 配管加熱用のヒータ装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008164115A (ja) * 2006-12-28 2008-07-17 Taiyo Nippon Sanso Corp 配管加熱用のヒータ装置

Similar Documents

Publication Publication Date Title
SE8207043D0 (sv) Forfarande for synkronisering av radiosendare for synkron radiosendning
JPS57173232A (en) Automatic equalizer
JPS57203352A (en) Call system for exclusive order-wire circuit
JPS57190432A (en) Cordless telephone
FR2347839A1 (fr) Systeme de radiotelephonie
JPS5665538A (en) Control signal relay system for mobile communication
JPS5624867A (en) Facsimile simultaneous transmission and reception system
JPS5610766A (en) Talking monitor system
FR2357118A1 (fr) Dispositif antilocal pour transmission de signaux numeriques
JPS56103555A (en) Transmission output control system
JPS5528615A (en) Data communication system
JPS6482713A (en) Radio communication system
JPS6484996A (en) Premises cordless telephone system
JPS57170637A (en) Simple on-line communication system
JPS5658337A (en) Portable telephone system
JPS54162905A (en) Radiotelephony equipment
JPS56102139A (en) Channel selection controlling system
JPS55115761A (en) Radio unit
DE3264166D1 (en) Parallel operation of telephone equipment on a digital loop
JPS545608A (en) Wireless apparatus
JPS57152241A (en) Information system for position of moving body
JPS573442A (en) Absence display system in radio communication system
JPS5791044A (en) Multidirection multiplex radio communication system
JPS5787633A (en) Automatic relay system
JPS5683138A (en) Squeltch system