FR2380589A1 - Systeme de signalisation en courant continu et systeme de regulation associe - Google Patents

Systeme de signalisation en courant continu et systeme de regulation associe

Info

Publication number
FR2380589A1
FR2380589A1 FR7804236A FR7804236A FR2380589A1 FR 2380589 A1 FR2380589 A1 FR 2380589A1 FR 7804236 A FR7804236 A FR 7804236A FR 7804236 A FR7804236 A FR 7804236A FR 2380589 A1 FR2380589 A1 FR 2380589A1
Authority
FR
France
Prior art keywords
direct current
regulation
line
resistors
differential amplifier
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.)
Granted
Application number
FR7804236A
Other languages
English (en)
French (fr)
Other versions
FR2380589B3 (es
Inventor
Pierre Leon Debuysscher
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2380589A1 publication Critical patent/FR2380589A1/fr
Application granted granted Critical
Publication of FR2380589B3 publication Critical patent/FR2380589B3/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/12—Compensating for variations in line impedance

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR7804236A 1977-02-15 1978-02-15 Systeme de signalisation en courant continu et systeme de regulation associe Granted FR2380589A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7701562A NL7701562A (nl) 1977-02-15 1977-02-15 Voedingsregelings- en gelijkstroomsignalerings- stelsel.

Publications (2)

Publication Number Publication Date
FR2380589A1 true FR2380589A1 (fr) 1978-09-08
FR2380589B3 FR2380589B3 (es) 1980-10-10

Family

ID=19827980

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7804236A Granted FR2380589A1 (fr) 1977-02-15 1978-02-15 Systeme de signalisation en courant continu et systeme de regulation associe

Country Status (6)

Country Link
BE (1) BE863954A (es)
BR (1) BR7800899A (es)
ES (1) ES466996A1 (es)
FR (1) FR2380589A1 (es)
GB (1) GB1570373A (es)
NL (1) NL7701562A (es)

Also Published As

Publication number Publication date
GB1570373A (en) 1980-07-02
NL7701562A (nl) 1978-08-17
BR7800899A (pt) 1978-11-07
BE863954A (nl) 1978-08-16
ES466996A1 (es) 1978-10-16
FR2380589B3 (es) 1980-10-10

Similar Documents

Publication Publication Date Title
US4993063A (en) Channel unit interface circuit
US4852160A (en) Channel unit interface circuit
FR2353188A1 (fr) Systeme de raccordement a un reseau telephonique d'un equipement de communication accessoire
AU644162B2 (en) Telecommunications line circuit
US3955052A (en) Subscriber unit particularly useful for time-division-multiplex system
JPS5310235A (en) Simple type wire telecommunication unit
FR2409546A1 (fr) Regulateur de commutation
ATE10792T1 (de) Telephonschaltung.
CA2047641A1 (en) Basic rate interface
FR2380589A1 (fr) Systeme de signalisation en courant continu et systeme de regulation associe
US4320265A (en) Line repeater for telephone system using radio links
ATE410025T1 (de) Schaltungsanordnung zur erzeugung von gebührenimpulsen
US4689816A (en) Three relay C. O. trunk interface
DE3684744D1 (de) Schaltungsanordnung fuer eine elektronische schnittstellenschaltung.
US4234762A (en) Ring trip detector circuit
JPS57160258A (en) Circuit switching device
ES476875A1 (es) Disposicion de timbre para empalme de central telefonica con unidad de mando centralizada.
KR850008599A (ko) 호출신호 전송장치
FI811037L (fi) Kopplingsanordning foer anslutning fraon telefonbestaellarens dubbelledningar till respektive ledning foer utgaoende och ankommande signaler
JPS54112109A (en) Ring trip system
JPS5489459A (en) Two wire-four wire converter circuit
GB2075305A (en) Combined amplifier-limiter for a telephone system
DK332380A (da) Kobling til tilslutning af overfoeringsindreting i et modem til en telefonledning
JPS5328316A (en) Busy tone outgoing system
US1754224A (en) Signaling system

Legal Events

Date Code Title Description
ST Notification of lapse