DE3326037C2 - - Google Patents

Info

Publication number
DE3326037C2
DE3326037C2 DE3326037A DE3326037A DE3326037C2 DE 3326037 C2 DE3326037 C2 DE 3326037C2 DE 3326037 A DE3326037 A DE 3326037A DE 3326037 A DE3326037 A DE 3326037A DE 3326037 C2 DE3326037 C2 DE 3326037C2
Authority
DE
Germany
Prior art keywords
direct current
circuit arrangement
modulation
pulse duration
wire
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 - Lifetime
Application number
DE3326037A
Other languages
German (de)
English (en)
Other versions
DE3326037A1 (de
Inventor
Erich Ing. Wien At Naiwirt
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.)
Alcatel Lucent NV
Original Assignee
Alcatel NV
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 Alcatel NV filed Critical Alcatel NV
Publication of DE3326037A1 publication Critical patent/DE3326037A1/de
Application granted granted Critical
Publication of DE3326037C2 publication Critical patent/DE3326037C2/de
Granted 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
    • H04B1/587—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 opto-couplers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/0096—Trunk circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/50—Conversion between different kinds of signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Amplifiers (AREA)
  • Small-Scale Networks (AREA)
  • Interface Circuits In Exchanges (AREA)
DE19833326037 1982-07-22 1983-07-20 Schaltungsanordnung zur analogen uebertragung von sprachsignalen und vermittlungstechnischen kennzeichen Granted DE3326037A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0283982A AT384337B (de) 1982-07-22 1982-07-22 Schnittstellenschaltung mit zweidraht-vierdraht- umsetzung fuer fernsprechvermittlungsanlagen

Publications (2)

Publication Number Publication Date
DE3326037A1 DE3326037A1 (de) 1984-01-26
DE3326037C2 true DE3326037C2 (enrdf_load_stackoverflow) 1990-09-06

Family

ID=3541110

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833326037 Granted DE3326037A1 (de) 1982-07-22 1983-07-20 Schaltungsanordnung zur analogen uebertragung von sprachsignalen und vermittlungstechnischen kennzeichen

Country Status (9)

Country Link
AT (1) AT384337B (enrdf_load_stackoverflow)
AU (1) AU1692883A (enrdf_load_stackoverflow)
BE (1) BE897350A (enrdf_load_stackoverflow)
CH (1) CH662023A5 (enrdf_load_stackoverflow)
DE (1) DE3326037A1 (enrdf_load_stackoverflow)
ES (1) ES8500689A1 (enrdf_load_stackoverflow)
FI (1) FI79431C (enrdf_load_stackoverflow)
GB (1) GB2126049B (enrdf_load_stackoverflow)
MX (1) MX154966A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3841814C2 (de) * 1988-12-12 1995-05-24 Ferenc J Horvath Verbindungsschaltung
ES2048683B1 (es) * 1992-11-19 1997-07-01 Univ Cordoba Sistema de optoacoplamiento de señales digitales electricas para proteccion y aislamiento de aparatos electronicos de sobretensiones estacionarias y transitorias.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2305080A1 (fr) * 1975-03-20 1976-10-15 Jeumont Schneider Termineur electronique
US4150260A (en) * 1975-06-18 1979-04-17 Hitachi, Ltd. Subscriber's circuit for four-wire-system local switch
CH599731A5 (enrdf_load_stackoverflow) * 1976-03-02 1978-05-31 Ibm
US4142075A (en) * 1977-10-11 1979-02-27 Burr-Brown Research Corporation Interface circuit and method for telephone extension lines
NL7802423A (nl) * 1978-03-06 1979-09-10 Philips Nv Voedingsinrichting voor een lijnstroomloop.
CH641299A5 (de) * 1978-11-13 1984-02-15 Landis & Gyr Ag Impulsdauer-pausendauer-modulator fuer messzwecke.

Also Published As

Publication number Publication date
BE897350A (fr) 1984-01-23
DE3326037A1 (de) 1984-01-26
FI79431C (fi) 1989-12-11
ES524385A0 (es) 1984-08-01
ATA283982A (de) 1987-03-15
AU1692883A (en) 1984-01-26
GB2126049B (en) 1985-10-02
FI79431B (fi) 1989-08-31
ES8500689A1 (es) 1984-08-01
CH662023A5 (de) 1987-08-31
AT384337B (de) 1987-10-27
GB8319839D0 (en) 1983-08-24
MX154966A (es) 1988-01-14
FI832645A0 (fi) 1983-07-20
FI832645L (fi) 1984-01-23
GB2126049A (en) 1984-03-14

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: ALCATEL N.V., AMSTERDAM, NL

8128 New person/name/address of the agent

Representative=s name: GRAF, G., DIPL.-ING., PAT.-ASS., 7000 STUTTGART

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee