SE515414C2 - Förfarande och anordning för detektering av försämrade lampglödtrådar - Google Patents

Förfarande och anordning för detektering av försämrade lampglödtrådar

Info

Publication number
SE515414C2
SE515414C2 SE9803620A SE9803620A SE515414C2 SE 515414 C2 SE515414 C2 SE 515414C2 SE 9803620 A SE9803620 A SE 9803620A SE 9803620 A SE9803620 A SE 9803620A SE 515414 C2 SE515414 C2 SE 515414C2
Authority
SE
Sweden
Prior art keywords
lamp
resistance
difference
lamp circuit
threshold value
Prior art date
Application number
SE9803620A
Other languages
English (en)
Swedish (sv)
Other versions
SE9803620L (sv
SE9803620D0 (sv
Inventor
Aake Peterson
Original Assignee
Safegate Int Ab
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 Safegate Int Ab filed Critical Safegate Int Ab
Priority to SE9803620A priority Critical patent/SE515414C2/sv
Publication of SE9803620D0 publication Critical patent/SE9803620D0/xx
Priority to CNB99812382XA priority patent/CN1239051C/zh
Priority to AT99970833T priority patent/ATE268979T1/de
Priority to EP99970833A priority patent/EP1121839B1/de
Priority to BR9914680-0A priority patent/BR9914680A/pt
Priority to PCT/SE1999/001877 priority patent/WO2000024229A1/en
Priority to JP2000577862A priority patent/JP4535621B2/ja
Priority to DE69917920T priority patent/DE69917920T2/de
Priority to US09/807,812 priority patent/US6556017B1/en
Priority to AU14276/00A priority patent/AU1427600A/en
Priority to CA002347483A priority patent/CA2347483C/en
Priority to ES99970833T priority patent/ES2221481T3/es
Publication of SE9803620L publication Critical patent/SE9803620L/
Publication of SE515414C2 publication Critical patent/SE515414C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/23—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in series
    • H05B47/235—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in series with communication between the lamps and a central unit

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Traffic Control Systems (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Materials For Medical Uses (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Treatment Of Fiber Materials (AREA)
SE9803620A 1998-10-22 1998-10-22 Förfarande och anordning för detektering av försämrade lampglödtrådar SE515414C2 (sv)

Priority Applications (12)

Application Number Priority Date Filing Date Title
SE9803620A SE515414C2 (sv) 1998-10-22 1998-10-22 Förfarande och anordning för detektering av försämrade lampglödtrådar
ES99970833T ES2221481T3 (es) 1998-10-22 1999-10-19 Deteccion de filamentos deteriorados.
JP2000577862A JP4535621B2 (ja) 1998-10-22 1999-10-19 照明装置の品質が低下したフィラメントの検出方法
AT99970833T ATE268979T1 (de) 1998-10-22 1999-10-19 Erfassung von fadenverschleiss
EP99970833A EP1121839B1 (de) 1998-10-22 1999-10-19 Erfassung von fadenverschleiss
BR9914680-0A BR9914680A (pt) 1998-10-22 1999-10-19 Detecção de filamento deteriorado
PCT/SE1999/001877 WO2000024229A1 (en) 1998-10-22 1999-10-19 Deteriorated filament detection
CNB99812382XA CN1239051C (zh) 1998-10-22 1999-10-19 检测老化灯丝的方法和装置
DE69917920T DE69917920T2 (de) 1998-10-22 1999-10-19 Erfassung von fadenverschleiss
US09/807,812 US6556017B1 (en) 1998-10-22 1999-10-19 Deteriorated filament detection
AU14276/00A AU1427600A (en) 1998-10-22 1999-10-19 Deteriorated filament detection
CA002347483A CA2347483C (en) 1998-10-22 1999-10-19 Deteriorated filament detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9803620A SE515414C2 (sv) 1998-10-22 1998-10-22 Förfarande och anordning för detektering av försämrade lampglödtrådar

Publications (3)

Publication Number Publication Date
SE9803620D0 SE9803620D0 (sv) 1998-10-22
SE9803620L SE9803620L (sv) 2000-04-23
SE515414C2 true SE515414C2 (sv) 2001-07-30

Family

ID=20413051

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9803620A SE515414C2 (sv) 1998-10-22 1998-10-22 Förfarande och anordning för detektering av försämrade lampglödtrådar

Country Status (12)

Country Link
US (1) US6556017B1 (de)
EP (1) EP1121839B1 (de)
JP (1) JP4535621B2 (de)
CN (1) CN1239051C (de)
AT (1) ATE268979T1 (de)
AU (1) AU1427600A (de)
BR (1) BR9914680A (de)
CA (1) CA2347483C (de)
DE (1) DE69917920T2 (de)
ES (1) ES2221481T3 (de)
SE (1) SE515414C2 (de)
WO (1) WO2000024229A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6666786B2 (en) * 2000-12-29 2003-12-23 Shimano Inc. Chamfered sprocket assembly
US6784667B2 (en) * 2002-04-03 2004-08-31 The United States Of America As Represented By The Secretary Of The Navy Estimated remaining lamp life indicator system
US6911777B1 (en) * 2003-08-14 2005-06-28 Cooper Industries, Inc. Clamp-on low power isolation transformer for airfield lighting
WO2005057231A1 (de) * 2003-12-11 2005-06-23 Conti Temic Microelectronic Gmbh Verfahren zur funktionsprüfung einer lampenschaltung
WO2007122546A2 (en) * 2006-04-21 2007-11-01 Koninklijke Philips Electronics N.V. Method and device for monitoring the condition of halogen bulbs in vehicle headlights
EP1865756A1 (de) * 2006-06-06 2007-12-12 Nesa A/S Beleuchtungssystem
US7382454B1 (en) 2006-09-24 2008-06-03 Carl Anthony Turner System and method for optically assessing lamp condition
US7560867B2 (en) * 2006-10-17 2009-07-14 Access Business Group International, Llc Starter for a gas discharge light source
FR2919458B1 (fr) * 2007-07-25 2009-10-16 Sidel Participations Procede de detection de l'etat d'une lampe de chauffage de corps d'ebauches en matiere thermoplastique et installation de chauffage agencee pour sa mise en oeuvre
TWI445457B (zh) 2011-01-04 2014-07-11 Beyond Innovation Tech Co Ltd 日光燈管的驅動裝置及其方法與所應用之照明裝置
US9008992B2 (en) 2011-03-25 2015-04-14 Thomas & Betts International, Inc. Testing and monitoring an electrical system
JP5812292B2 (ja) * 2012-03-29 2015-11-11 東芝ライテック株式会社 標識灯および標識灯システム
WO2014013452A2 (en) * 2012-07-19 2014-01-23 Koninklijke Philips N.V. Lighting device comprising a monitoring circuit
JP2014182883A (ja) * 2013-03-18 2014-09-29 Toshiba Lighting & Technology Corp 直列負荷制御装置および標識灯装置
GB2506708B (en) * 2013-05-01 2014-09-03 Mk Test Systems Method for testing equipment
US9472108B2 (en) 2014-03-17 2016-10-18 Honeywell International Inc. Updating an airfield lighting system with an LED light source
DE102017210681A1 (de) * 2017-06-26 2018-12-27 Dr. Johannes Heidenhain Gesellschaft Mit Beschränkter Haftung Sensorschaltungsanordnung
CN112596558B (zh) * 2020-12-25 2022-06-28 航电中和山东医疗技术有限公司 一种加热管温度监控装置及方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55165541A (en) * 1979-06-11 1980-12-24 Mitsubishi Electric Corp Electron gun
JPH0752677B2 (ja) * 1988-08-31 1995-06-05 ホーヤ株式会社 ランプ異常検出回路およびランプ切替装置
SE9300193L (sv) * 1992-11-20 1994-05-21 Airport Tech Scandinavia Metod och system för kommunikation från en transformators sekundärsida, särskilt för ett lampövervakningssystem för flygplatsljus
JP3536933B2 (ja) * 1993-03-31 2004-06-14 東芝ライテック株式会社 白熱灯調光装置
US5578998A (en) * 1995-03-20 1996-11-26 Chivas Products Limited Method and apparatus for predicting of lamp failure
JPH09232083A (ja) * 1996-02-26 1997-09-05 Sansha Electric Mfg Co Ltd 照明装置
US5675246A (en) * 1996-03-18 1997-10-07 Msx, Inc. Current flow indicator

Also Published As

Publication number Publication date
WO2000024229A1 (en) 2000-04-27
SE9803620L (sv) 2000-04-23
ATE268979T1 (de) 2004-06-15
BR9914680A (pt) 2001-07-24
ES2221481T3 (es) 2004-12-16
DE69917920D1 (de) 2004-07-15
EP1121839B1 (de) 2004-06-09
AU1427600A (en) 2000-05-08
SE9803620D0 (sv) 1998-10-22
CA2347483C (en) 2009-02-03
CN1330854A (zh) 2002-01-09
CN1239051C (zh) 2006-01-25
JP4535621B2 (ja) 2010-09-01
CA2347483A1 (en) 2000-04-27
US6556017B1 (en) 2003-04-29
JP2002528871A (ja) 2002-09-03
DE69917920T2 (de) 2005-06-09
EP1121839A1 (de) 2001-08-08

Similar Documents

Publication Publication Date Title
SE515414C2 (sv) Förfarande och anordning för detektering av försämrade lampglödtrådar
DK2117283T3 (en) APPARATUS AND PROCEDURE FOR REDUCING TRAFFIC SIGNAL ERRORS
CN100534243C (zh) 用于电气单元阵列的监视设备
CN108550270B (zh) 一种交通信号灯异常状态处理及回传方法及交通信号灯
EP0955619A1 (de) Verkehrssignalisierungsverwaltungsverfahren
US5034659A (en) Lamp circuit with disconnected lamp detecting device
CN105472837B (zh) 光源控制装置和光源控制方法
US9358921B2 (en) LED signal lamp
US6583731B2 (en) Fault detection for traffic light systems using electronic lighting elements
EP1787886B1 (de) Elektrische Schaltung für LED Signallampen mit einer Schaltschwelle zum Umschalten zwischen Tages- und Nachtbetrieb
NL8201280A (nl) Reserve-verlichtingsinstallatie.
CN114993464B (zh) 换流阀晶闸管控制单元的光功率检测系统
US3952229A (en) Display device having signal lamps
KR102109041B1 (ko) 차량용 엘이디 램프의 이중 점등장치
US11849515B2 (en) Lighting system with redundant power supplies
JP2005044305A (ja) 火災受信機及び火災監視システム
EP2237644B1 (de) Überwachungseinheit für eine Hochleistungs-LED und Signalisierungsvorrichtung
CN113113902B (zh) 一种基于分离控制的led电源保护装置和方法
SU1764004A1 (ru) Устройство дл проверки коаксиальных кабелей
FI97674C (fi) Pää/apuhehkulangan vaihtokytkin vaihtojännitteellä syötettyjä kaksoishehkulankalamppuja varten liikenneopastelaitoksissa
CN107907809B (zh) 加热器测试电路
NL2013371B1 (nl) Matrixsignaalgever voor gebruik in een dynamisch verkeersmanagementsysteem.
SK37895A3 (en) Process and device for monitoring an incandescent lamp, especially in dark condition
JPH04159149A (ja) 灯具の断線検出方法
KR20170089337A (ko) 철도 신호기의 고장 검지장치