[go: up one dir, main page]

IT8468158A1 - Repeater for telephone lines with hybrid circuits. - Google Patents

Repeater for telephone lines with hybrid circuits.

Info

Publication number
IT8468158A1
IT8468158A1 IT1984A68158A IT6815884A IT8468158A1 IT 8468158 A1 IT8468158 A1 IT 8468158A1 IT 1984A68158 A IT1984A68158 A IT 1984A68158A IT 6815884 A IT6815884 A IT 6815884A IT 8468158 A1 IT8468158 A1 IT 8468158A1
Authority
IT
Italy
Prior art keywords
repeater
telephone lines
hybrid circuits
hybrid
circuits
Prior art date
Application number
IT1984A68158A
Other languages
Italian (it)
Other versions
IT1180142B (en
IT8468158A0 (en
Original Assignee
Microlab Sa
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 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 IT8468158A0 (en) 1984-11-20
IT8468158A1 true 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
IT8468158A0 (en) 1984-11-20
GB8507659D0 (en) 1985-05-01
FR2563397A1 (en) 1985-10-25
BR8401869A (en) 1985-11-26
IT8454064V0 (en) 1984-11-20
GB2159021A (en) 1985-11-20

Similar Documents

Publication Publication Date Title
IT8320438A0 (en) PROCEDURE FOR FORMING COMPLEMENTARY INTEGRATED CIRCUITS DEVICES.
IT8419315A0 (en) INTERFACE UNIT FOR COMMUNICATION LINES.
NO157039C (en) SUBSCRIBER LINE CIRCUIT.
FI821931A7 (en) Overhead line for electricity transmission.
NO157037C (en) A DIGITAL SUBSCRIBER LINE CIRCUIT.
FI822177A7 (en) Overhead line systems for electricity transmission.
IT8423065A0 (en) CABINET FOR PRINTED CIRCUITS.
IT8467207A0 (en) OPERATOR PLACE FOR TELEPHONE SWITCHBOARDS
IT8519828A0 (en) SWITCH FOR ELECTRICAL CIRCUITS.
DE69202725D1 (en) Connection arrangement for electrical lines.
IT8541575A0 (en) AUTOMATIC FAULT LOCATOR ON TELEPHONE LINES.
IT8422489A0 (en) DEVICE FOR INTERCONNECTING PRINTED CIRCUITS.
DK241583A (en) VEHICLE CIRCUIT FOR TELEPHONE LINE
DE3575815D1 (en) POWER CIRCUIT FOR TRANSMISSION LINES.
IT8468158A1 (en) Repeater for telephone lines with hybrid circuits.
IT8320929A0 (en) CONNECTION BLOCK FOR TELECOMMUNICATION LINES.
GB8310430D0 (en) Telephone exchange line circuits
FI843057A0 (en) VERKTYG FOER ATT UTFOERA BOCKAR I CROEKTA YTOR.
IT8422924A0 (en) ELECTRICAL BRANCH LINES REGULATION DEVICE.
NO158866C (en) DEVICE FOR CREATING A CONNECTION BETWEEN TWO MORE STATIONS.
ZA796286B (en) Longitudinal balance arrangements for two-to-four telecommunication line circuits
DE3584821D1 (en) CIRCUIT ARRANGEMENT FOR TELEPHONE NETWORKS.
DE3485802D1 (en) HYBRID COUPLER.
IT8220145A0 (en) SMICOCONDUCTOR INTEGRATED CIRCUITS DEVICES.
FI872865A7 (en) A connection arrangement for separating the subscriber line conductors from the supply circuit.