IT1066973B - Perfezionamento negli apparecchi telefonici - Google Patents

Perfezionamento negli apparecchi telefonici

Info

Publication number
IT1066973B
IT1066973B IT2492076A IT2492076A IT1066973B IT 1066973 B IT1066973 B IT 1066973B IT 2492076 A IT2492076 A IT 2492076A IT 2492076 A IT2492076 A IT 2492076A IT 1066973 B IT1066973 B IT 1066973B
Authority
IT
Italy
Prior art keywords
winding
series
transformer
appts
filter network
Prior art date
Application number
IT2492076A
Other languages
English (en)
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of IT1066973B publication Critical patent/IT1066973B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/58—Anti-side-tone circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
IT2492076A 1976-06-29 1976-07-01 Perfezionamento negli apparecchi telefonici IT1066973B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2867375A GB1551739A (en) 1976-06-29 1976-06-29 Telephone subsets

Publications (1)

Publication Number Publication Date
IT1066973B true IT1066973B (it) 1985-03-12

Family

ID=10279320

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2492076A IT1066973B (it) 1976-06-29 1976-07-01 Perfezionamento negli apparecchi telefonici

Country Status (3)

Country Link
ES (1) ES449605A1 (it)
GB (1) GB1551739A (it)
IT (1) IT1066973B (it)

Also Published As

Publication number Publication date
GB1551739A (en) 1979-09-12
ES449605A1 (es) 1977-07-01

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