ATE139878T1 - Schaltung zur entdeckung von ferngesprächen und verfahren zum fernzugriff und fernprüfung eines fernsprechers - Google Patents

Schaltung zur entdeckung von ferngesprächen und verfahren zum fernzugriff und fernprüfung eines fernsprechers

Info

Publication number
ATE139878T1
ATE139878T1 AT91905648T AT91905648T ATE139878T1 AT E139878 T1 ATE139878 T1 AT E139878T1 AT 91905648 T AT91905648 T AT 91905648T AT 91905648 T AT91905648 T AT 91905648T AT E139878 T1 ATE139878 T1 AT E139878T1
Authority
AT
Austria
Prior art keywords
telephone
pct
circuit
remote
date sep
Prior art date
Application number
AT91905648T
Other languages
English (en)
Inventor
John Jervis Comfort
Original Assignee
Mars Inc
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 Mars Inc filed Critical Mars Inc
Application granted granted Critical
Publication of ATE139878T1 publication Critical patent/ATE139878T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation
    • H04M3/248—Arrangements for supervision, monitoring or testing with provision for checking the normal operation for metering arrangements or prepayment telephone systems
    • 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
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • 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)
  • Monitoring And Testing Of Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephonic Communication Services (AREA)
  • Selective Calling Equipment (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
AT91905648T 1990-03-15 1991-03-15 Schaltung zur entdeckung von ferngesprächen und verfahren zum fernzugriff und fernprüfung eines fernsprechers ATE139878T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9005874A GB2242101B (en) 1990-03-15 1990-03-15 Telephone signalling

Publications (1)

Publication Number Publication Date
ATE139878T1 true ATE139878T1 (de) 1996-07-15

Family

ID=10672694

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91905648T ATE139878T1 (de) 1990-03-15 1991-03-15 Schaltung zur entdeckung von ferngesprächen und verfahren zum fernzugriff und fernprüfung eines fernsprechers

Country Status (10)

Country Link
US (1) US5369690A (de)
EP (1) EP0519963B1 (de)
JP (1) JPH05505079A (de)
AT (1) ATE139878T1 (de)
AU (1) AU7449991A (de)
CA (1) CA2077747A1 (de)
DE (1) DE69120528T2 (de)
ES (1) ES2088490T3 (de)
GB (1) GB2242101B (de)
WO (1) WO1991014330A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5073919A (en) * 1990-10-10 1991-12-17 Teradyne, Inc. Automatically testing telephone lines
US5629693A (en) * 1993-11-24 1997-05-13 Trimble Navigation Limited Clandestine location reporting by a missing vehicle
US5687214A (en) * 1994-12-14 1997-11-11 Lucent Technologies Inc. Method and apparatus for remote maintenance procedures
US8466795B2 (en) 1997-01-21 2013-06-18 Pragmatus Mobile LLC Personal security and tracking system
US6700963B1 (en) 1998-04-08 2004-03-02 Worldcom, Inc. System and method therefor of preventing fraud on pay phone credit/debit calling card authorization
US6275571B1 (en) * 1998-06-05 2001-08-14 Lucent Technologies Inc. System for direct suppressed ringing access of subscriber lines
US6263055B1 (en) * 1998-09-09 2001-07-17 Lucent Technologies Inc. System for suppressed ringing access of subscriber lines to identify usage anomalies of customer premise equipment connected thereto
US6675002B1 (en) * 1999-08-27 2004-01-06 G. Jack Lipovski System and method for automatically muting cellular telephone devices in noise sensitive areas
US6278768B1 (en) * 2000-02-08 2001-08-21 Steven L. H. Klein Portable fixture for simulating and testing payphones
US11033254B2 (en) * 2015-06-26 2021-06-15 Koninklijke Philips N.V. Image guidance system

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496300A (en) * 1967-06-28 1970-02-17 Bell Telephone Labor Inc Remote test arrangement for coin telephones
FR2177236A5 (de) * 1972-03-21 1973-11-02 Socotel
US4126762A (en) * 1976-05-04 1978-11-21 Martin John R Method and system for accumulating data over nondedicated telephone lines
US4039768A (en) * 1976-05-26 1977-08-02 Maley James B O Pay telephone station monitor system
GB1594931A (en) * 1977-11-04 1981-08-05 Howling R J Telephone operated switching device
US4355205A (en) * 1980-07-24 1982-10-19 Frank E. Lowe Telemetering system
GB2116807B (en) * 1982-03-03 1985-10-30 John Roger Kerfoot Hughes Remote switching unit
EP0091267B1 (de) * 1982-04-05 1988-01-07 THE GENERAL ELECTRIC COMPANY, p.l.c. Rückschleifeinheit für Fernmeldesystem
GB2149616B (en) * 1983-11-10 1987-10-07 Standard Telephones Cables Ltd Testing telephone lines
US4567325A (en) * 1983-12-30 1986-01-28 At&T Technologies Inc. Controller for a coin telephone set
JPS6192069A (ja) * 1984-10-12 1986-05-10 Tamura Electric Works Ltd 公衆電話機
GB2176639B (en) * 1985-05-31 1988-11-23 Mars Inc Data acquisition system
GB2176970B (en) * 1985-06-20 1989-07-19 Stc Plc Testing telephone lines
DE3527827A1 (de) * 1985-08-02 1987-02-05 Standard Elektrik Lorenz Ag Einrichtung zur abfrage von zustandsmeldungen eines muenzfernsprechers
US4686696A (en) * 1985-12-02 1987-08-11 Keptel, Inc. Transmission line signal sensing circuit employing means for conserving power, especially for use with a telephone disconnect circuit, and associated method
US4827501A (en) * 1986-09-18 1989-05-02 American Telephone And Telegraph Company, At&T Information Systems Telephone call screening apparatus
JPS6469154A (en) * 1987-09-10 1989-03-15 Tamura Electric Works Ltd Public telephone set
US4845741A (en) * 1988-04-27 1989-07-04 Control Data Corporation Modem ringing supression circuit
US4995109A (en) * 1989-05-24 1991-02-19 Oki Electric Industry Co., Ltd. Communication with a non-telephone terminal via a telephone switching network using two consecutive calls

Also Published As

Publication number Publication date
CA2077747A1 (en) 1991-09-16
EP0519963B1 (de) 1996-06-26
GB2242101A (en) 1991-09-18
WO1991014330A1 (en) 1991-09-19
ES2088490T3 (es) 1996-08-16
DE69120528T2 (de) 1997-01-23
DE69120528D1 (de) 1996-08-01
GB9005874D0 (en) 1990-05-09
GB2242101B (en) 1994-08-31
EP0519963A1 (de) 1992-12-30
AU7449991A (en) 1991-10-10
JPH05505079A (ja) 1993-07-29
US5369690A (en) 1994-11-29

Similar Documents

Publication Publication Date Title
US5724420A (en) Automatic call distribution with answer machine detection apparatus and method
NO933748L (no) Fremgangsmaate og apparat for aa tilveiebringe kontroll av svar, samt autonom betalingstelefon som omfatter dette
CA2041501A1 (en) Automated channel test unit
ATE139878T1 (de) Schaltung zur entdeckung von ferngesprächen und verfahren zum fernzugriff und fernprüfung eines fernsprechers
KR910021107A (ko) 통신장치
CA2313658A1 (en) Telephone technician's remote assist apparatus and method
CA2024204A1 (en) Loopback test starting system
US4224476A (en) Multiparty subscriber loop carrier systems
JPS644157A (en) Facsimile/telephone automatic changeover system
GB2361833A (en) System and method for telephone number verification and identification
JPS62243452A (ja) 着信表示方式
US4622439A (en) Detection of ground or loop start configuration in telephone loop signalling circuit
GB529534A (en) Improvements relating to telephone systems
KR950013292A (ko) 출중계선 시험을 위한 자동호출장치
GB985542A (en) Improvements in automatic telephone equipment
CA1201229A (en) Ground start detection in telephone loop signalling circuit
GB2013070A (en) Automatic warning method of the unavailability of a telephone subscriber
KR100590776B1 (ko) 유선 접속 원격 통신 장치와 상기 장치에서 사용하기 위한 회로
RU2021539C1 (ru) Автоматическая система передачи телесигнализации по телефонным линиям
JPS56107690A (en) Toll outgoing control system
JPS56140750A (en) Remote test method for subscriber carrier telephone system
ATE67914T1 (de) Verfahren zur automatischen pruefung eines kommunikationssystems, insbesondere einer fernsprechnebenstellenanlage.
JPS56107665A (en) Telephone set test system
JPS57136849A (en) Remote subscriber line testing system
JPH03136442A (ja) 着信呼応答方式