GR33807B - Βελτιωσεις εις και εν σχεσει προς συστημα μεταδοσεως τηλεφωνικουσηματος. - Google Patents

Βελτιωσεις εις και εν σχεσει προς συστημα μεταδοσεως τηλεφωνικουσηματος.

Info

Publication number
GR33807B
GR33807B GR670133807A GR670133807A GR33807B GR 33807 B GR33807 B GR 33807B GR 670133807 A GR670133807 A GR 670133807A GR 670133807 A GR670133807 A GR 670133807A GR 33807 B GR33807 B GR 33807B
Authority
GR
Greece
Prior art keywords
transmission system
signal
telephone transmission
samples
relation
Prior art date
Application number
GR670133807A
Other languages
Greek (el)
English (en)
Inventor
Fabio Balugani
Franco Mammucari
Isidoro Poretti
Original Assignee
Societa Italiana Telecomunication Siemens S.P.A.
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 Societa Italiana Telecomunication Siemens S.P.A. filed Critical Societa Italiana Telecomunication Siemens S.P.A.
Publication of GR33807B publication Critical patent/GR33807B/el

Links

Classifications

    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Furnace Details (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Dc Digital Transmission (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
GR670133807A 1966-05-05 1967-02-27 Βελτιωσεις εις και εν σχεσει προς συστημα μεταδοσεως τηλεφωνικουσηματος. GR33807B (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1016966 1966-05-05

Publications (1)

Publication Number Publication Date
GR33807B true GR33807B (el) 1968-02-06

Family

ID=11133945

Family Applications (1)

Application Number Title Priority Date Filing Date
GR670133807A GR33807B (el) 1966-05-05 1967-02-27 Βελτιωσεις εις και εν σχεσει προς συστημα μεταδοσεως τηλεφωνικουσηματος.

Country Status (9)

Country Link
US (1) US3548103A (ref)
AT (1) AT296399B (ref)
BE (1) BE695947A (ref)
CH (1) CH460092A (ref)
DE (1) DE1512781B2 (ref)
GB (1) GB1181123A (ref)
GR (1) GR33807B (ref)
NL (1) NL6706166A (ref)
NO (1) NO125707B (ref)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896273A (en) * 1971-01-08 1975-07-22 Communications Satellite Corp Digital echo suppressor

Also Published As

Publication number Publication date
AT296399B (de) 1972-02-10
NL6706166A (ref) 1967-11-06
CH460092A (it) 1968-07-31
BE695947A (ref) 1967-09-01
GB1181123A (en) 1970-02-11
US3548103A (en) 1970-12-15
DE1512781A1 (de) 1969-09-11
NO125707B (ref) 1972-10-16
DE1512781B2 (de) 1971-01-21

Similar Documents

Publication Publication Date Title
BR6898599D0 (pt) Correia de transmissao de forca
FR1506856A (fr) Système de détecteurs
NL139141B (nl) Elektrische verbindingsinrichting, bestaande uit twee complementaire delen.
OA00252A (fr) Système d'émission et de réception stéréophonique.
ES413520A1 (es) Perfeccionamientos en circuitos de deteccion de senales.
NL177867C (nl) Opto-elektronische inrichting met gekoppelde emitter en ontvanger.
GR33807B (el) Βελτιωσεις εις και εν σχεσει προς συστημα μεταδοσεως τηλεφωνικουσηματος.
NL165624C (nl) Communicatie-ontvanger.
JPS53142154A (en) Optical signal receiving circuit
FR1518276A (fr) Système de sélection de claviers
NL150653B (nl) Multifrequentie-signaalontvanginrichting.
SE340126B (ref)
FR1540843A (fr) Système codeur de transmission
IL46131A (en) Device for evaluating magnitude and direction of d.c. current
DK127198B (da) Tovklemme.
GB1329999A (en) Device for clipping electrical signals
FR1541018A (fr) Système de transmission de fac-similé
AU267848B2 (en) Improvements in or relating to frequency discriminating telegraph signal. detectors
AU3131963A (en) Improvements in or relating to frequency discriminating telegraph signal. detectors
ES344085A3 (es) Sistema de distribucion de senales electricas.
GB1079162A (en) Improvements in and relating to electric cables and apparatus for use therein
FR1280868A (fr) Système de transmission radioélectrique
FR1515191A (fr) Système de télécommunications électriques
JPS5251987A (en) Signal adding circuit in smoke detector
FR1494782A (fr) Système pcm de transmission sur paire téléphonique