IT1007144B - Selettore di modo per stazioni telefoniche - Google Patents

Selettore di modo per stazioni telefoniche

Info

Publication number
IT1007144B
IT1007144B IT19926/74A IT1992674A IT1007144B IT 1007144 B IT1007144 B IT 1007144B IT 19926/74 A IT19926/74 A IT 19926/74A IT 1992674 A IT1992674 A IT 1992674A IT 1007144 B IT1007144 B IT 1007144B
Authority
IT
Italy
Prior art keywords
mode selector
telephone stations
stations
telephone
selector
Prior art date
Application number
IT19926/74A
Other languages
English (en)
Original Assignee
Bell Northern Research 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 Bell Northern Research Ltd filed Critical Bell Northern Research Ltd
Application granted granted Critical
Publication of IT1007144B publication Critical patent/IT1007144B/it

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)
IT19926/74A 1973-01-30 1974-01-29 Selettore di modo per stazioni telefoniche IT1007144B (it)

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 (1)

Publication Number Publication Date
IT1007144B true IT1007144B (it) 1976-10-30

Family

ID=4095684

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19926/74A IT1007144B (it) 1973-01-30 1974-01-29 Selettore di modo per stazioni telefoniche

Country Status (12)

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

Also Published As

Publication number Publication date
BR7400052D0 (pt) 1974-08-22
IE38542L (en) 1974-07-20
AU6281773A (en) 1975-05-22
IE38542B1 (en) 1978-04-12
ZA738562B (en) 1974-10-30
DE2400025A1 (de) 1974-08-01
GB1452315A (en) 1976-10-13
DK138097B (da) 1978-07-10
BE810399A (fr) 1974-05-16
NL7317766A (it) 1974-08-01
AU475150B2 (en) 1976-08-12
FR2215762B1 (it) 1980-02-08
CA954244A (en) 1974-09-03
DK138097C (it) 1978-11-27
FR2215762A1 (it) 1974-08-23

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