CA947447A - Two-wire, bi-directional voice frequency repeater - Google Patents

Two-wire, bi-directional voice frequency repeater

Info

Publication number
CA947447A
CA947447A CA094,018A CA94018A CA947447A CA 947447 A CA947447 A CA 947447A CA 94018 A CA94018 A CA 94018A CA 947447 A CA947447 A CA 947447A
Authority
CA
Canada
Prior art keywords
wire
voice frequency
directional voice
frequency repeater
repeater
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
CA094,018A
Inventor
Alan Stewart
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.)
ITT Canada Ltd
Original Assignee
ITT Canada 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 ITT Canada Ltd filed Critical ITT Canada Ltd
Priority to CA094,018A priority Critical patent/CA947447A/en
Priority to FR7134228A priority patent/FR2107932B1/fr
Priority to ES395334A priority patent/ES395334A1/en
Application granted granted Critical
Publication of CA947447A publication Critical patent/CA947447A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/586—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 using an electronic circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Circuit For Audible Band Transducer (AREA)
CA094,018A 1970-09-24 1970-09-24 Two-wire, bi-directional voice frequency repeater Expired CA947447A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA094,018A CA947447A (en) 1970-09-24 1970-09-24 Two-wire, bi-directional voice frequency repeater
FR7134228A FR2107932B1 (en) 1970-09-24 1971-09-23
ES395334A ES395334A1 (en) 1970-09-24 1971-09-23 Vocal frequency repeater, bidirectional, two threads. (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA094,018A CA947447A (en) 1970-09-24 1970-09-24 Two-wire, bi-directional voice frequency repeater

Publications (1)

Publication Number Publication Date
CA947447A true CA947447A (en) 1974-05-14

Family

ID=4087636

Family Applications (1)

Application Number Title Priority Date Filing Date
CA094,018A Expired CA947447A (en) 1970-09-24 1970-09-24 Two-wire, bi-directional voice frequency repeater

Country Status (3)

Country Link
CA (1) CA947447A (en)
ES (1) ES395334A1 (en)
FR (1) FR2107932B1 (en)

Also Published As

Publication number Publication date
FR2107932A1 (en) 1972-05-12
ES395334A1 (en) 1974-12-01
FR2107932B1 (en) 1974-05-10

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