FI873929A7 - Elektronisk haollkrets foer oever abonnentledningen matade tvaovaegstelefoner. - Google Patents

Elektronisk haollkrets foer oever abonnentledningen matade tvaovaegstelefoner. Download PDF

Info

Publication number
FI873929A7
FI873929A7 FI873929A FI873929A FI873929A7 FI 873929 A7 FI873929 A7 FI 873929A7 FI 873929 A FI873929 A FI 873929A FI 873929 A FI873929 A FI 873929A FI 873929 A7 FI873929 A7 FI 873929A7
Authority
FI
Finland
Prior art keywords
tvaovaegstelefoner
matade
haollkrets
abonnentledningen
elektronisk
Prior art date
Application number
FI873929A
Other languages
English (en)
Finnish (fi)
Other versions
FI873929A0 (fi
Inventor
Wolfgang Strzeletz
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of FI873929A0 publication Critical patent/FI873929A0/fi
Publication of FI873929A7 publication Critical patent/FI873929A7/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • 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
    • H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
FI873929A 1986-09-11 1987-09-10 Elektronisk haollkrets foer oever abonnentledningen matade tvaovaegstelefoner. FI873929A7 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3630989 1986-09-11

Publications (2)

Publication Number Publication Date
FI873929A0 FI873929A0 (fi) 1987-09-10
FI873929A7 true FI873929A7 (fi) 1988-03-12

Family

ID=6309389

Family Applications (1)

Application Number Title Priority Date Filing Date
FI873929A FI873929A7 (fi) 1986-09-11 1987-09-10 Elektronisk haollkrets foer oever abonnentledningen matade tvaovaegstelefoner.

Country Status (4)

Country Link
EP (1) EP0263972A3 (cs)
AU (1) AU597420B2 (cs)
FI (1) FI873929A7 (cs)
IN (1) IN164858B (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN167984B (cs) * 1986-09-23 1991-01-19 Siemens Ag

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766325A (en) * 1971-09-13 1973-10-16 Lordel Mfg Co Control circuits for key telephone system
US4490583A (en) * 1983-02-14 1984-12-25 Circom, Inc. Plural line telephone controller
IN167984B (cs) * 1986-09-23 1991-01-19 Siemens Ag

Also Published As

Publication number Publication date
FI873929A0 (fi) 1987-09-10
EP0263972A2 (de) 1988-04-20
AU7824587A (en) 1988-03-17
EP0263972A3 (de) 1989-06-07
IN164858B (cs) 1989-06-17
AU597420B2 (en) 1990-05-31

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: SIEMENS AKTIENGESELLSCHAFT