NO802240L - Sloeyfe-deling i digitale systemer. - Google Patents

Sloeyfe-deling i digitale systemer.

Info

Publication number
NO802240L
NO802240L NO802240A NO802240A NO802240L NO 802240 L NO802240 L NO 802240L NO 802240 A NO802240 A NO 802240A NO 802240 A NO802240 A NO 802240A NO 802240 L NO802240 L NO 802240L
Authority
NO
Norway
Prior art keywords
sloeyfe
sharing
digital systems
digital
systems
Prior art date
Application number
NO802240A
Other languages
English (en)
Other versions
NO154150C (no
NO154150B (no
Inventor
Ludwik Herschtal
Original Assignee
Ericsson L M Pty 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 Ericsson L M Pty Ltd filed Critical Ericsson L M Pty Ltd
Publication of NO802240L publication Critical patent/NO802240L/no
Publication of NO154150B publication Critical patent/NO154150B/no
Publication of NO154150C publication Critical patent/NO154150C/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/68—Circuit arrangements for preventing eavesdropping
    • H04M1/70—Lock-out or secrecy arrangements in party-line systems
    • 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
    • H04M9/022—Multiplex systems
    • H04M9/025—Time division multiplex systems, e.g. loop systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Communication Control (AREA)
NO802240A 1979-07-25 1980-07-24 Telefonapparat for transmisjon og mottagelse av digitale data, samt digitalt sloeyfedelingskommunikasjonssystem. NO154150C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU970979 1979-07-25

Publications (3)

Publication Number Publication Date
NO802240L true NO802240L (no) 1981-01-26
NO154150B NO154150B (no) 1986-04-14
NO154150C NO154150C (no) 1986-07-23

Family

ID=3700500

Family Applications (1)

Application Number Title Priority Date Filing Date
NO802240A NO154150C (no) 1979-07-25 1980-07-24 Telefonapparat for transmisjon og mottagelse av digitale data, samt digitalt sloeyfedelingskommunikasjonssystem.

Country Status (4)

Country Link
US (1) US4368358A (no)
EP (1) EP0023403B1 (no)
AU (1) AU535333B2 (no)
NO (1) NO154150C (no)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1153137A (en) * 1981-02-27 1983-08-30 Laurence J. Retallack Parallel operation of telephone equipment on a digital loop
US4493949A (en) * 1981-03-12 1985-01-15 Northern Telecom Limited Parallel operation of telephone equipment on a digital loop
US4689814A (en) * 1986-05-29 1987-08-25 Warner Ii Charles L External device interface for an electronic telephone
JPH0697773B2 (ja) * 1987-04-03 1994-11-30 株式会社東芝 電話機
US5208851A (en) * 1990-04-16 1993-05-04 Motorola, Inc. Method for controlling allocation of a communication link
WO1996003846A1 (en) * 1994-07-26 1996-02-08 Claircom Communications Group, Inc. Multi-nodal digital telephone distribution system
KR960039801A (ko) * 1995-04-26 1996-11-25 김광호 병렬 접속된 전화기의 예약 다이얼링 방법
TW425805B (en) * 1998-09-17 2001-03-11 Koninkl Philips Electronics Nv Communication set with detection of set function and line condition
GB2381405A (en) * 2001-09-21 2003-04-30 Small Planet Technology Interface which allows plural telephone sets connected to a shared line in a chained fashion to be individually accessed by different telephone numbers
EP2272661A1 (en) 2009-07-10 2011-01-12 Amcor Flexibles Transpac N.V. Packaging material with integrated pressure relief valve

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3033932A (en) * 1957-02-08 1962-05-08 Automatic Elect Lab Selective ringing multi-party telephone system
FR1188034A (fr) * 1957-11-21 1959-09-18 Trt Telecom Radio Electr Moyens d'intercorrélation pour plusieurs stations émettrices d'informations
US3155776A (en) * 1960-04-19 1964-11-03 Nippon Electric Co Party line sub-station
US3284575A (en) * 1963-12-09 1966-11-08 Stromberg Carlson Corp Threshold responsive isolation for party telephone lines
GB1168476A (en) * 1966-05-17 1969-10-29 British Telecomm Res Ltd Improvements in or relating to data transmission systems
GB1216759A (en) * 1968-05-23 1970-12-23 Standard Telephones Cables Ltd Subscriber subset for p.c.m. telephone system
GB1187490A (en) * 1968-06-21 1970-04-08 Standard Telephones Cables Ltd Subscriber Subset for PCM Telephone System
US3651274A (en) * 1970-10-05 1972-03-21 Bell Telephone Labor Inc Selective signaling system
US3691308A (en) * 1970-11-27 1972-09-12 Bell Telephone Labor Inc Multiline selective signaling system
DE2607489C3 (de) * 1976-02-20 1978-08-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen Fernsprechsonderanlage mit Gesellschaftsleitungen
US4224478A (en) * 1978-12-04 1980-09-23 Gte Sylvania Incorporated Data transmission circuit for establishing a bidirectional data path in a telephone system

Also Published As

Publication number Publication date
EP0023403A1 (en) 1981-02-04
EP0023403B1 (en) 1983-08-03
AU535333B2 (en) 1984-03-15
AU6002080A (en) 1981-01-29
NO154150C (no) 1986-07-23
US4368358A (en) 1983-01-11
NO154150B (no) 1986-04-14

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