[go: up one dir, main page]

IT8468158A0 - REPEATER FOR HYBRID CIRCUIT TELEPHONE LINES - Google Patents

REPEATER FOR HYBRID CIRCUIT TELEPHONE LINES

Info

Publication number
IT8468158A0
IT8468158A0 IT8468158A IT6815884A IT8468158A0 IT 8468158 A0 IT8468158 A0 IT 8468158A0 IT 8468158 A IT8468158 A IT 8468158A IT 6815884 A IT6815884 A IT 6815884A IT 8468158 A0 IT8468158 A0 IT 8468158A0
Authority
IT
Italy
Prior art keywords
repeater
telephone lines
hybrid circuit
circuit telephone
hybrid
Prior art date
Application number
IT8468158A
Other languages
Italian (it)
Other versions
IT1180142B (en
IT8468158A1 (en
Inventor
Mordka Szajnberg
Original Assignee
Microlab Sa
Brasile
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 Microlab Sa, Brasile filed Critical Microlab Sa
Publication of IT8468158A0 publication Critical patent/IT8468158A0/en
Publication of IT8468158A1 publication Critical patent/IT8468158A1/en
Application granted granted Critical
Publication of IT1180142B publication Critical patent/IT1180142B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
IT68158/84A 1984-04-23 1984-11-20 REPEATER FOR TELEPHONE LINES WITH HYBRID CIRCUITS IT1180142B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR8401869A BR8401869A (en) 1984-04-23 1984-04-23 VOICE FREQUENCY REPEATER

Publications (3)

Publication Number Publication Date
IT8468158A0 true IT8468158A0 (en) 1984-11-20
IT8468158A1 IT8468158A1 (en) 1986-05-20
IT1180142B IT1180142B (en) 1987-09-23

Family

ID=4035487

Family Applications (2)

Application Number Title Priority Date Filing Date
IT68158/84A IT1180142B (en) 1984-04-23 1984-11-20 REPEATER FOR TELEPHONE LINES WITH HYBRID CIRCUITS
IT8454064U IT8454064V0 (en) 1984-04-23 1984-11-20 REPEATER FOR TELEPHONE LINES WITH HYBRID CIRCUITS

Family Applications After (1)

Application Number Title Priority Date Filing Date
IT8454064U IT8454064V0 (en) 1984-04-23 1984-11-20 REPEATER FOR TELEPHONE LINES WITH HYBRID CIRCUITS

Country Status (5)

Country Link
BR (1) BR8401869A (en)
DE (1) DE3509409A1 (en)
FR (1) FR2563397A1 (en)
GB (1) GB2159021A (en)
IT (2) IT1180142B (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2160308B1 (en) * 1971-11-19 1977-01-28 Labo Cent Telecommunicat
DE2607480C2 (en) * 1976-02-20 1982-11-25 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin Circuit arrangement for a fork
US4064377A (en) * 1976-03-11 1977-12-20 Wescom Switching, Inc. Electronic hybrid and hybrid repeater
DE2655005C3 (en) * 1976-12-02 1980-04-17 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin Circuit arrangement for an electronic subscriber feed
GB1586410A (en) * 1978-05-30 1981-03-18 Plessey Co Ltd Hybrid circuits
IT1118946B (en) * 1979-10-04 1986-03-03 Cselt Centro Studi Lab Telecom TRANSCEIVER FOR SIMULTANEOUS BIDIRECTIONAL TRANSMISSION OF NUMERICAL SIGNALS ON A SINGLE LINE
US4331842A (en) * 1980-02-11 1982-05-25 Reliance Electric Company Voice frequency repeater and term sets and other circuits therefor
GB2087199A (en) * 1980-10-16 1982-05-19 Texas Instruments Ltd Amplifiers for driving balanced lines
US4443884A (en) * 1982-03-18 1984-04-17 Protocol Computers, Inc. Data line interface
GB2137057B (en) * 1983-03-18 1986-07-02 Telspec Ltd Improvements in and relating to signal transmission devices

Also Published As

Publication number Publication date
DE3509409A1 (en) 1985-10-24
IT1180142B (en) 1987-09-23
GB8507659D0 (en) 1985-05-01
FR2563397A1 (en) 1985-10-25
BR8401869A (en) 1985-11-26
IT8454064V0 (en) 1984-11-20
IT8468158A1 (en) 1986-05-20
GB2159021A (en) 1985-11-20

Similar Documents

Publication Publication Date Title
IT1208346B (en) ESPECIALLY FOR ENCLOSURE REPEATERS FOR ELECTRONIC CIRCUITS UNDERWATER TELEPHONE LINES
GB2107554B (en) Telephone line circuit
GB2137032B (en) Line protector for a communications circuit
ZA827197B (en) Line protector for a communications circuit
DE3163273D1 (en) Line protector for a communications circuit
GB2024564B (en) Connecting circuit for a telephone line
JPS5722322A (en) Line protecting device for communication circuit
IT1149642B (en) BATTERY POWER CIRCUIT FOR TWO-WIRE COMMUNICATION ROUTES
IT8467207A0 (en) OPERATOR PLACE FOR TELEPHONE SWITCHBOARDS
IT8519828A0 (en) SWITCH FOR ELECTRICAL CIRCUITS.
IT1192090B (en) AUTOMATIC FAULT LOCATOR ON TELEPHONE LINES
DK241583D0 (en) VEHICLE CIRCUIT FOR TELEPHONE LINE
GB8426439D0 (en) Telecommunication line circuit
FI813109L (en) ELECTRICAL EQUIPMENT FOR ELECTRICITY
IT8468158A0 (en) REPEATER FOR HYBRID CIRCUIT TELEPHONE LINES
IT1194227B (en) CONNECTION BLOCK FOR TELECOMMUNICATION LINES
ZA796287B (en) Line current feed circuits for telecommunication exchanges
ZA796286B (en) Longitudinal balance arrangements for two-to-four telecommunication line circuits
IT8422924A0 (en) ELECTRICAL BRANCH LINES REGULATION DEVICE.
PT80026B (en) Privacy circuit for common line telephones
NO831247L (en) DEVICE FOR ESTABLISHING A CONNECTION BETWEEN MULTIPLE STATIONS
FR2497008B1 (en) ELECTRICAL CONNECTION BLOCK
DE3462209D1 (en) Transmission circuit for a dtmf telephone set
ATA316784A (en) CIRCUIT ARRANGEMENT FOR TELEPHONE NETWORKS
GB2132855B (en) Interface circuit for a telecommunication system