CA1244978A - Single line telephone communication system - Google Patents

Single line telephone communication system

Info

Publication number
CA1244978A
CA1244978A CA000502609A CA502609A CA1244978A CA 1244978 A CA1244978 A CA 1244978A CA 000502609 A CA000502609 A CA 000502609A CA 502609 A CA502609 A CA 502609A CA 1244978 A CA1244978 A CA 1244978A
Authority
CA
Canada
Prior art keywords
segment
subset
house
subsets
wires
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.)
Expired
Application number
CA000502609A
Other languages
English (en)
French (fr)
Inventor
Francisco A. Middleton
David A. Zeller
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.)
Alcatel Lucent NV
Original Assignee
Alcatel NV
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 Alcatel NV filed Critical Alcatel NV
Application granted granted Critical
Publication of CA1244978A publication Critical patent/CA1244978A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/71—Substation extension arrangements
    • H04M1/715—Substation extension arrangements using two or more extensions per line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
CA000502609A 1985-04-25 1986-02-25 Single line telephone communication system Expired CA1244978A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72673385A 1985-04-25 1985-04-25
US726,733 1985-04-25

Publications (1)

Publication Number Publication Date
CA1244978A true CA1244978A (en) 1988-11-15

Family

ID=24919783

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000502609A Expired CA1244978A (en) 1985-04-25 1986-02-25 Single line telephone communication system

Country Status (8)

Country Link
EP (1) EP0221090A1 (ja)
JP (1) JPS62502579A (ja)
KR (1) KR880700581A (ja)
AU (1) AU588305B2 (ja)
CA (1) CA1244978A (ja)
ES (1) ES8707060A1 (ja)
MX (1) MX161903A (ja)
WO (1) WO1986006570A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4893334A (en) * 1987-08-28 1990-01-09 Power Play Intercommunication system for telephones
GB2213351B (en) * 1987-12-04 1992-06-17 Roy Musselbrook Telephone, extention-to-intercom module
IT1226312B (it) * 1988-07-26 1990-12-27 Italtel Telematica Sistema di telefoni intercomunicanti su linea bifilare.
IT1236823B (it) * 1989-11-23 1993-04-02 Alcatel Dial Face Spa Dispositivo per la trasmissione su un'unica coppia di conduttori del segnale fonico, della segnalazione e dell'alimentazione in apparecchiature intercomunicanti.
NL9400239A (nl) * 1994-02-17 1995-10-02 Grid Telecom Systems Bv Huistelefoonsysteem.
GB9407696D0 (en) * 1994-04-19 1994-06-15 Marikon Resources Inc A telephone exchange system
US5920615A (en) * 1995-10-19 1999-07-06 British Telecommunications Public Limited Company Telecommunications switch
FI962312A (fi) * 1996-05-31 1997-12-01 Teleste Viestintae Oy Puhelinjärjestelmä
US5978469A (en) * 1997-01-21 1999-11-02 U S West, Inc. Apparatus for telephone extension control
AU1046700A (en) 1999-10-26 2001-05-08 Fractus, S.A. Interlaced multiband antenna arrays

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092501A (en) * 1973-12-05 1978-05-30 Iwasaki Tsushinki Kabushiki Kaisha Key telephone system
JPS519306A (ja) * 1974-07-11 1976-01-26 Fujitsu Ltd Nikyodokanyushashuyohoshiki
US4000376A (en) * 1975-03-31 1976-12-28 Viking Electronics, Inc. Telephone privacy device
JPS5341111A (en) * 1976-09-28 1978-04-14 Toshiba Corp Dial signal sending device
PT68279A (en) * 1977-08-15 1978-08-01 Goodyear Tire & Rubber Pneumatic tire and pneumatic tire mounted on a rim
JPS56112194A (en) * 1980-02-12 1981-09-04 Nec Corp Omnibus circuit device
CA1166777A (en) * 1981-03-23 1984-05-01 Gordon D. Benning Home telephone exchange
CA1169597A (en) * 1981-09-11 1984-06-19 Gordon D. Benning Home communications and control system

Also Published As

Publication number Publication date
KR880700581A (ko) 1988-03-15
EP0221090A1 (en) 1987-05-13
MX161903A (es) 1991-03-01
WO1986006570A1 (en) 1986-11-06
ES8707060A1 (es) 1987-07-16
ES554358A0 (es) 1987-07-16
JPS62502579A (ja) 1987-10-01
AU588305B2 (en) 1989-09-14
AU5614786A (en) 1986-10-30

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Legal Events

Date Code Title Description
MKEX Expiry