ES2096514A2 - Circuito de exploracion de puntos. - Google Patents

Circuito de exploracion de puntos.

Info

Publication number
ES2096514A2
ES2096514A2 ES09302744A ES9302744A ES2096514A2 ES 2096514 A2 ES2096514 A2 ES 2096514A2 ES 09302744 A ES09302744 A ES 09302744A ES 9302744 A ES9302744 A ES 9302744A ES 2096514 A2 ES2096514 A2 ES 2096514A2
Authority
ES
Spain
Prior art keywords
scanning circuit
interface scanning
resistors
current source
interface
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
ES09302744A
Other languages
English (en)
Other versions
ES2096514R (es
ES2096514B1 (es
Inventor
Melian Jesus Pena
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.)
Telefonica SA
Original Assignee
Telefonica de Espana SA
Telefonica Nacional de Espana 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 Telefonica de Espana SA, Telefonica Nacional de Espana SA filed Critical Telefonica de Espana SA
Priority to ES09302744A priority Critical patent/ES2096514B1/es
Priority to EP94500203A priority patent/EP0666672A3/en
Priority to UY23879A priority patent/UY23879A1/es
Priority to PE1994257668A priority patent/PE19695A1/es
Priority to CO94058154A priority patent/CO4290544A1/es
Priority to DZ940140A priority patent/DZ1841A1/fr
Priority to MA23739A priority patent/MA23410A1/fr
Priority to BR9405458A priority patent/BR9405458A/pt
Priority to US08/365,959 priority patent/US5636262A/en
Publication of ES2096514A2 publication Critical patent/ES2096514A2/es
Publication of ES2096514R publication Critical patent/ES2096514R/es
Application granted granted Critical
Publication of ES2096514B1 publication Critical patent/ES2096514B1/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/24—Arrangements for testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electronic Switches (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Networks Using Active Elements (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

EL CIRCUITO DE EXPLORACION DE PUNTOS CONSISTE EN DISPONER A LA ENTRADA DE UN MULTIPLEXOR (10) UNA FUENTE DE CORRIENTE FORMADA POR UN TRANSISTOR (4) Y DOS RESISTENCIAS (3 Y 5), ESTANDO ESTA ULTIMA ASOCIADA Y ACTUANDO COMO ELEMENTO DE LIMITACION DEL VALOR DE LA CORRIENTE INVERSA, EXISTIENDO DISPUESTA UNA RED ATENUADORA FORMADA POR DOS RESISTENCIAS (7 Y 8), ASI COMO UN CONDENSADOR-FILTRO PASO FIJO ASOCIADO A LA RED ATENUADORA.
ES09302744A 1993-12-31 1993-12-31 Circuito de exploracion de puntos. Expired - Lifetime ES2096514B1 (es)

Priority Applications (9)

Application Number Priority Date Filing Date Title
ES09302744A ES2096514B1 (es) 1993-12-31 1993-12-31 Circuito de exploracion de puntos.
EP94500203A EP0666672A3 (en) 1993-12-31 1994-12-15 Interface scanning circuit
UY23879A UY23879A1 (es) 1993-12-31 1994-12-21 Circuito de exploracion de puntos
PE1994257668A PE19695A1 (es) 1993-12-31 1994-12-22 Circuito de exploracion de puntos
CO94058154A CO4290544A1 (es) 1993-12-31 1994-12-23 Circuito de exploracion de puntos
DZ940140A DZ1841A1 (fr) 1993-12-31 1994-12-25 Circuit d'exploitation à interface.
MA23739A MA23410A1 (fr) 1993-12-31 1994-12-26 Circuit d'eploration a interface.
BR9405458A BR9405458A (pt) 1993-12-31 1994-12-27 Circuito de exploração de pontos
US08/365,959 US5636262A (en) 1993-12-31 1994-12-29 Interface scanning circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES09302744A ES2096514B1 (es) 1993-12-31 1993-12-31 Circuito de exploracion de puntos.

Publications (3)

Publication Number Publication Date
ES2096514A2 true ES2096514A2 (es) 1997-03-01
ES2096514R ES2096514R (es) 1997-06-01
ES2096514B1 ES2096514B1 (es) 1998-02-16

Family

ID=8284099

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09302744A Expired - Lifetime ES2096514B1 (es) 1993-12-31 1993-12-31 Circuito de exploracion de puntos.

Country Status (9)

Country Link
US (1) US5636262A (es)
EP (1) EP0666672A3 (es)
BR (1) BR9405458A (es)
CO (1) CO4290544A1 (es)
DZ (1) DZ1841A1 (es)
ES (1) ES2096514B1 (es)
MA (1) MA23410A1 (es)
PE (1) PE19695A1 (es)
UY (1) UY23879A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2080669B1 (es) * 1993-12-09 1996-07-16 Telefonica Nacional Espana Co Circuito hibrido para punto de actuacion y exploracion, aplicable en los registradores electronicos de centrales telefonicas electromecanicas.
US5809109A (en) * 1995-06-01 1998-09-15 Advanced Micro Devices, Inc. Integrated ring sensor with fault detection
KR20060072783A (ko) * 2004-12-23 2006-06-28 엘지전자 주식회사 플라즈마 표시장치
US8789524B2 (en) * 2008-01-22 2014-07-29 General Electric Company Pulse width modulated medical gas concentration control
US20230308546A1 (en) * 2009-01-28 2023-09-28 Virtual Hold Technology Solutions, Llc System and methods for hybrid callback management using a callback cloud with call participant authentication
JP5764911B2 (ja) * 2010-11-01 2015-08-19 ソニー株式会社 組電池及び電力消費機器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0093803A2 (en) * 1982-04-16 1983-11-16 Hitachi, Ltd. Indicating system
EP0097354A2 (de) * 1982-06-22 1984-01-04 Siemens Aktiengesellschaft Schaltungsanordnung zur Feststellung des Schaltzustandes einer Teilnehmeranschlussleitung in Fernmeldeanlagen
JPS59160772A (ja) * 1984-02-21 1984-09-11 Matsushita Electric Ind Co Ltd 線路異常検出装置
DE2938982C2 (de) * 1979-09-26 1984-12-13 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung für eine eigenprüfbare Teilnehmeranschlußschaltung mit Erkennung des Schaltzustandes einer Teilnehmerleitung
JPS613073A (ja) * 1984-06-18 1986-01-09 Fuji Facom Corp アナログ計測システムにおける断線検出方式
EP0266519A1 (en) * 1986-10-30 1988-05-11 International Business Machines Corporation Open line detector circuit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022978A (en) * 1975-11-14 1977-05-10 Telesciences, Inc. Event monitoring transceiver
FR2396477A1 (fr) * 1977-06-30 1979-01-26 Telic Procede et dispositif de controle de connexions electriques notamment pour telecommunications
GB2056092B (en) * 1979-08-07 1983-04-27 Standard Telephones Cables Ltd Line signal monitor
GB2056093B (en) * 1979-08-07 1983-04-27 Standard Telephones Cables Ltd Monitoring a number of voltage conditions
AR240603A1 (es) * 1985-04-30 1990-05-31 Siemens Ag Disposicion de circuito de prueba de lineas de conexion de abonados de disposisiones de enlace telefonico, para determinar tensiones analogicas producidas en dichas lineas de conexion de abonado
US4864598A (en) * 1988-07-20 1989-09-05 Keptel, Inc. Loop status verification system
US5062131A (en) * 1990-01-09 1991-10-29 Edward Kanare Telephone line monitoring circuit for providing a visual and auditory signal if the telephone line becomes inoperative
US5003573A (en) * 1990-04-12 1991-03-26 Rolm Systems Self-diagnosis of loop start and ground start trunk interfaces
US5515417A (en) * 1994-06-29 1996-05-07 Harris Corporation Ground key detector for a SLIC

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2938982C2 (de) * 1979-09-26 1984-12-13 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung für eine eigenprüfbare Teilnehmeranschlußschaltung mit Erkennung des Schaltzustandes einer Teilnehmerleitung
EP0093803A2 (en) * 1982-04-16 1983-11-16 Hitachi, Ltd. Indicating system
EP0097354A2 (de) * 1982-06-22 1984-01-04 Siemens Aktiengesellschaft Schaltungsanordnung zur Feststellung des Schaltzustandes einer Teilnehmeranschlussleitung in Fernmeldeanlagen
JPS59160772A (ja) * 1984-02-21 1984-09-11 Matsushita Electric Ind Co Ltd 線路異常検出装置
JPS613073A (ja) * 1984-06-18 1986-01-09 Fuji Facom Corp アナログ計測システムにおける断線検出方式
EP0266519A1 (en) * 1986-10-30 1988-05-11 International Business Machines Corporation Open line detector circuit

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, PAJ CD-ROM, G01R 1976-1993 / 52 & JP 59160772 A (MATSUSHITA ELECTRIC IND CO LTD) 11.09.84 *
PATENT ABSTRACTS OF JAPAN, PAJ CD-ROM, G01R 1976-1993 / 52 & JP 61003073 A (FUJI FACOM CORP) 09.01.86 *

Also Published As

Publication number Publication date
PE19695A1 (es) 1995-07-17
US5636262A (en) 1997-06-03
CO4290544A1 (es) 1996-04-17
MA23410A1 (fr) 1995-07-01
EP0666672A3 (en) 1999-03-17
ES2096514R (es) 1997-06-01
EP0666672A2 (en) 1995-08-09
BR9405458A (pt) 1995-09-19
UY23879A1 (es) 1995-01-13
ES2096514B1 (es) 1998-02-16
DZ1841A1 (fr) 2002-02-17

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