CA913819A - Telephone anti-sidetone circuit - Google Patents

Telephone anti-sidetone circuit

Info

Publication number
CA913819A
CA913819A CA913819A CA913819DA CA913819A CA 913819 A CA913819 A CA 913819A CA 913819 A CA913819 A CA 913819A CA 913819D A CA913819D A CA 913819DA CA 913819 A CA913819 A CA 913819A
Authority
CA
Canada
Prior art keywords
sidetone circuit
telephone anti
telephone
sidetone
circuit
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA913819A
Inventor
D. Van Der Puije Patrick
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co 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 Electric Co Ltd filed Critical Northern Electric Co Ltd
Application granted granted Critical
Publication of CA913819A publication Critical patent/CA913819A/en
Expired legal-status Critical Current

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
    • H04M1/585—Anti-side-tone circuits implemented without inductive element
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
CA913819A 1970-06-15 1970-06-15 Telephone anti-sidetone circuit Expired CA913819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA85454 1970-06-15

Publications (1)

Publication Number Publication Date
CA913819A true CA913819A (en) 1972-10-31

Family

ID=4087007

Family Applications (1)

Application Number Title Priority Date Filing Date
CA913819A Expired CA913819A (en) 1970-06-15 1970-06-15 Telephone anti-sidetone circuit

Country Status (1)

Country Link
CA (1) CA913819A (en)

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