IT939399B - Dispositivo di comando di traslis sione per dispositivo emettitore di segnali telefonici - Google Patents

Dispositivo di comando di traslis sione per dispositivo emettitore di segnali telefonici

Info

Publication number
IT939399B
IT939399B IT5278571A IT5278571A IT939399B IT 939399 B IT939399 B IT 939399B IT 5278571 A IT5278571 A IT 5278571A IT 5278571 A IT5278571 A IT 5278571A IT 939399 B IT939399 B IT 939399B
Authority
IT
Italy
Prior art keywords
translis
sion
signal emitter
telephone signal
command
Prior art date
Application number
IT5278571A
Other languages
English (en)
Italian (it)
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Application granted granted Critical
Publication of IT939399B publication Critical patent/IT939399B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • H03G7/005—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers using discontinuously variable devices, e.g. switch-operated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
    • H04J3/175—Speech activity or inactivity detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
IT5278571A 1970-09-17 1971-09-09 Dispositivo di comando di traslis sione per dispositivo emettitore di segnali telefonici IT939399B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7033735A FR2105703A5 (enExample) 1970-09-17 1970-09-17

Publications (1)

Publication Number Publication Date
IT939399B true IT939399B (it) 1973-02-10

Family

ID=9061447

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5278571A IT939399B (it) 1970-09-17 1971-09-09 Dispositivo di comando di traslis sione per dispositivo emettitore di segnali telefonici

Country Status (7)

Country Link
BE (1) BE772077A (enExample)
CH (1) CH546521A (enExample)
DE (1) DE2146604A1 (enExample)
FR (1) FR2105703A5 (enExample)
GB (1) GB1334912A (enExample)
IT (1) IT939399B (enExample)
NL (1) NL7112732A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2545301B1 (fr) * 1983-04-29 1986-07-25 Telephonie Ind Commerciale Procede de compression-decompression d'un signal de type vocal

Also Published As

Publication number Publication date
CH546521A (fr) 1974-02-28
BE772077A (fr) 1972-01-17
DE2146604A1 (de) 1972-03-23
FR2105703A5 (enExample) 1972-04-28
GB1334912A (en) 1973-10-24
NL7112732A (enExample) 1972-03-21

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