SE7900948L - Anslutningsplint for telefonapparater - Google Patents

Anslutningsplint for telefonapparater

Info

Publication number
SE7900948L
SE7900948L SE7900948A SE7900948A SE7900948L SE 7900948 L SE7900948 L SE 7900948L SE 7900948 A SE7900948 A SE 7900948A SE 7900948 A SE7900948 A SE 7900948A SE 7900948 L SE7900948 L SE 7900948L
Authority
SE
Sweden
Prior art keywords
test
ground
capacitor
switch
tip
Prior art date
Application number
SE7900948A
Other languages
Unknown language ( )
English (en)
Original Assignee
Gary Conway Fields
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 Gary Conway Fields filed Critical Gary Conway Fields
Publication of SE7900948L publication Critical patent/SE7900948L/sv

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
    • H04M3/301—Circuit arrangements at the subscriber's side of the line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
SE7900948A 1978-10-02 1979-02-02 Anslutningsplint for telefonapparater SE7900948L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/947,565 US4169220A (en) 1978-10-02 1978-10-02 Telephone instrument connection block with remotely actuated line test

Publications (1)

Publication Number Publication Date
SE7900948L true SE7900948L (sv) 1980-04-03

Family

ID=25486321

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7900948A SE7900948L (sv) 1978-10-02 1979-02-02 Anslutningsplint for telefonapparater

Country Status (14)

Country Link
US (1) US4169220A (sv)
JP (1) JPS5549063A (sv)
AR (1) AR222498A1 (sv)
BE (1) BE874280A (sv)
BR (1) BR7906284A (sv)
CA (1) CA1106986A (sv)
DE (1) DE2939748A1 (sv)
FR (1) FR2438393A1 (sv)
GB (1) GB2030820B (sv)
IL (1) IL56687A (sv)
IN (1) IN150500B (sv)
MX (1) MX146796A (sv)
NL (1) NL7907112A (sv)
SE (1) SE7900948L (sv)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4558182A (en) * 1983-08-01 1985-12-10 Keptel, Inc. Remotely-activated switching apparatus
US4536617A (en) * 1983-08-01 1985-08-20 Keptel, Inc. Remotely-activated switching apparatus
US4550225A (en) * 1983-10-31 1985-10-29 Keptel, Inc. AC Signal-activated switching apparatus
US4536050A (en) * 1984-01-09 1985-08-20 Porta Systems Corp. Telephone modular wall jack
US4685120A (en) * 1985-11-26 1987-08-04 Teccor Electronics, Inc. Electronic trigger switch for maintenance termination unit
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
US4707850A (en) * 1986-10-29 1987-11-17 General Telephone Co. Of Florida Test apparatus for a subscriber line
US4707851A (en) * 1986-10-29 1987-11-17 General Telephone Co. Of Florida Remote isolation test apparatus
US5073919A (en) * 1990-10-10 1991-12-17 Teradyne, Inc. Automatically testing telephone lines
US5485465A (en) * 1992-05-20 1996-01-16 The Whitaker Corporation Redundancy control for a broadcast data transmission system
TW264598B (sv) * 1992-07-01 1995-12-01 Ray Chem Ltd
GB9213992D0 (en) * 1992-07-01 1992-08-12 Raychem Ltd Remotely actuated switch and protection circuit
GB9218134D0 (en) * 1992-08-26 1992-10-14 Raychem Sa Nv Communication channel switching arrangement
GB9223770D0 (en) * 1992-11-12 1992-12-23 Raychem Ltd Communication channel testing arrangement
US6108404A (en) 1998-02-05 2000-08-22 Mci Communications Corporation Method and system for testing a connection in a telephone network using interactive telephone response module
US6278769B1 (en) * 1998-11-25 2001-08-21 Westell Technologies, Inc. Signaling method for invoking a test mode in a network interface unit
FR2835382B1 (fr) * 2002-01-31 2005-02-25 Electricite De France Dispositif de controle a distance d'une ligne filaire de telecommunication
US7811119B2 (en) * 2005-11-18 2010-10-12 Panduit Corp. Smart cable provisioning for a patch cord management system
WO2009052381A2 (en) * 2007-10-19 2009-04-23 Panduit Corp. Communication port identification system
US7938700B2 (en) 2008-02-21 2011-05-10 Panduit Corp. Intelligent inter-connect and cross-connect patching system
US8306935B2 (en) * 2008-12-22 2012-11-06 Panduit Corp. Physical infrastructure management system
JP5274671B2 (ja) 2008-12-31 2013-08-28 パンドウィット・コーポレーション 挿入検出および発光機能を備えたパッチコード
US8128428B2 (en) * 2009-02-19 2012-03-06 Panduit Corp. Cross connect patch guidance system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US412671A (en) * 1889-10-08 Gripping device for cables
US3636280A (en) * 1970-09-17 1972-01-18 Gen Telephone Co Of California Telephone line testing from remote locations
US3725613A (en) * 1971-02-25 1973-04-03 Rochester Tel Corp Apparatus for protecting and testing telephone network
US3773986A (en) * 1971-12-13 1973-11-20 Comm Systems Corp Telephone line test isolation apparatus
US3766336A (en) * 1972-10-12 1973-10-16 I Wikholm Circuit isolating switching arrangement
US3843848A (en) * 1973-01-12 1974-10-22 Magnetic Controls Co Telephone looptest system
US4041255A (en) * 1976-09-29 1977-08-09 Northern Telecom Limited Switching circuit for telecommunications lines
US4054759A (en) * 1976-11-15 1977-10-18 Northern Telecom Limited Subscriber loop verification device and method

Also Published As

Publication number Publication date
US4169220A (en) 1979-09-25
GB2030820B (en) 1982-12-22
FR2438393A1 (fr) 1980-04-30
NL7907112A (nl) 1980-04-08
IL56687A0 (en) 1979-05-31
MX146796A (es) 1982-08-16
AR222498A1 (es) 1981-05-29
IL56687A (en) 1981-01-30
IN150500B (sv) 1982-10-23
JPS5549063A (en) 1980-04-08
BE874280A (fr) 1979-08-20
GB2030820A (en) 1980-04-10
CA1106986A (en) 1981-08-11
DE2939748A1 (de) 1980-04-10
BR7906284A (pt) 1980-07-15
FR2438393B1 (sv) 1983-04-08

Similar Documents

Publication Publication Date Title
SE7900948L (sv) Anslutningsplint for telefonapparater
ES419719A1 (es) Un aparato para prueba remota del estado de una linea de comunicacion telefonica.
ATE3801T1 (de) Teilnehmeranschlussschaltung mit erdtastenbetaetigungs- und isolationsfehlerindikation.
US4004223A (en) Audible resistance or voltage tester
FR2712701B1 (fr) Dispositif de tests électriques d'un élément de liaison électrique.
GB2015754A (en) Insulation and earth leakage testing
DE3866336D1 (de) Ladeverfahren zum aufladen einer batterie.
USRE29499E (en) On premise telephone loop tester
EP0396120A3 (en) Procedure and apparatus for the protection of a data transmission network
JPS59143970A (ja) 接地抵抗測定方式
US5953390A (en) Device for inducing a wink in a telephone system
DE69123717D1 (de) Schaltvorrichtung
SE8100698L (sv) Metanordning for undersokning av egenskaper hos i ett pammultipelfelt ingaende element i en elektronisk teleforbindelsevexel
KR920000080B1 (ko) 다기능 포터블 선로 시험기
KR920005044Y1 (ko) 휴대용 선로 시험기
US3441683A (en) D.c. signaling using a capacitor store to speed response time
SU536539A1 (ru) Коммутирующее устройство
GB1492444A (en) Detection of leakage current
JPS5488007A (en) Polarity confirmation system for public telephone set
GB753557A (en) Improvements in the testing of the insulation of electric conductors
JPH01277049A (ja) 心線対照装置
GB784367A (en) Improvements in or relating to an apparatus for comparing the current/voltage characteristics of two non-linear resistances
GB1582976A (en) Test instruments
JP2542970Y2 (ja) 電話回線試験器
JPS56107665A (en) Telephone set test system

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 7900948-6