DK138097B - Function switch for use in a subscriber station in a telephone system for alternative connection of a connection device to a telephone line. - Google Patents

Function switch for use in a subscriber station in a telephone system for alternative connection of a connection device to a telephone line.

Info

Publication number
DK138097B
DK138097B DK46474AA DK46474A DK138097B DK 138097 B DK138097 B DK 138097B DK 46474A A DK46474A A DK 46474AA DK 46474 A DK46474 A DK 46474A DK 138097 B DK138097 B DK 138097B
Authority
DK
Denmark
Prior art keywords
connection
subscriber station
function switch
telephone
connection device
Prior art date
Application number
DK46474AA
Other languages
Danish (da)
Other versions
DK138097C (en
Inventor
Allan Yook Foo Lee
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of DK138097B publication Critical patent/DK138097B/en
Application granted granted Critical
Publication of DK138097C publication Critical patent/DK138097C/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephone Set Structure (AREA)
DK46474AA 1973-01-30 1974-01-29 Function switch for use in a subscriber station in a telephone system for alternative connection of a connection device to a telephone line. DK138097B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA162,417A CA954244A (en) 1973-01-30 1973-01-30 Mode selector for telephone station sets

Publications (2)

Publication Number Publication Date
DK138097B true DK138097B (en) 1978-07-10
DK138097C DK138097C (en) 1978-11-27

Family

ID=4095684

Family Applications (1)

Application Number Title Priority Date Filing Date
DK46474AA DK138097B (en) 1973-01-30 1974-01-29 Function switch for use in a subscriber station in a telephone system for alternative connection of a connection device to a telephone line.

Country Status (12)

Country Link
AU (1) AU475150B2 (en)
BE (1) BE810399A (en)
BR (1) BR7400052D0 (en)
CA (1) CA954244A (en)
DE (1) DE2400025A1 (en)
DK (1) DK138097B (en)
FR (1) FR2215762B1 (en)
GB (1) GB1452315A (en)
IE (1) IE38542B1 (en)
IT (1) IT1007144B (en)
NL (1) NL7317766A (en)
ZA (1) ZA738562B (en)

Also Published As

Publication number Publication date
AU475150B2 (en) 1976-08-12
FR2215762B1 (en) 1980-02-08
IE38542B1 (en) 1978-04-12
IT1007144B (en) 1976-10-30
BE810399A (en) 1974-05-16
FR2215762A1 (en) 1974-08-23
ZA738562B (en) 1974-10-30
DE2400025A1 (en) 1974-08-01
IE38542L (en) 1974-07-20
GB1452315A (en) 1976-10-13
BR7400052D0 (en) 1974-08-22
DK138097C (en) 1978-11-27
NL7317766A (en) 1974-08-01
AU6281773A (en) 1975-05-22
CA954244A (en) 1974-09-03

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