GB8304485D0 - Detecting faults in lamps - Google Patents

Detecting faults in lamps

Info

Publication number
GB8304485D0
GB8304485D0 GB838304485A GB8304485A GB8304485D0 GB 8304485 D0 GB8304485 D0 GB 8304485D0 GB 838304485 A GB838304485 A GB 838304485A GB 8304485 A GB8304485 A GB 8304485A GB 8304485 D0 GB8304485 D0 GB 8304485D0
Authority
GB
United Kingdom
Prior art keywords
lamps
detecting faults
faults
detecting
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.)
Withdrawn
Application number
GB838304485A
Other versions
GB2135540A (en
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.)
PA Management Consultants Ltd
Original Assignee
PA Management Consultants Ltd
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 PA Management Consultants Ltd filed Critical PA Management Consultants Ltd
Priority to GB08304485A priority Critical patent/GB2135540A/en
Publication of GB8304485D0 publication Critical patent/GB8304485D0/en
Publication of GB2135540A publication Critical patent/GB2135540A/en
Withdrawn legal-status Critical Current

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
    • H05B47/21—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel
    • H05B47/22—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel with communication between the lamps and a central unit
GB08304485A 1983-02-17 1983-02-17 Lamp failure alarm Withdrawn GB2135540A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08304485A GB2135540A (en) 1983-02-17 1983-02-17 Lamp failure alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08304485A GB2135540A (en) 1983-02-17 1983-02-17 Lamp failure alarm

Publications (2)

Publication Number Publication Date
GB8304485D0 true GB8304485D0 (en) 1983-03-23
GB2135540A GB2135540A (en) 1984-08-30

Family

ID=10538181

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08304485A Withdrawn GB2135540A (en) 1983-02-17 1983-02-17 Lamp failure alarm

Country Status (1)

Country Link
GB (1) GB2135540A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101615348A (en) * 2009-07-20 2009-12-30 交通部公路科学研究所 Signal switching method in the traffic control simulation testing system and equipment
CN113112834A (en) * 2021-04-14 2021-07-13 广东古田智能科技有限公司 Traffic light system and lamp bead fault detection method thereof

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4810936A (en) * 1986-12-01 1989-03-07 Hubbell Incorporated Failing lamp monitoring and deactivating circuit
FR2624335B1 (en) * 1987-12-04 1990-03-23 Finzel Jean Luc SELECTIVE DETECTION AND SIGNALING ASSEMBLY OF OPERATING FAULTS OF LIGHTING UNITS IN A LIGHTING NETWORK
DE3852701T2 (en) * 1988-03-25 1995-09-28 Nippon Signal Co Ltd ARRANGEMENT FOR DETECTING BULBS.
FR2646581B1 (en) * 1989-04-26 1996-06-21 Electricite Lumiere Force METHOD AND DEVICE FOR MONITORING AN ELECTRICAL ELEMENT SUCH AS A LIGHT POINT
EP0453659A1 (en) * 1990-04-25 1991-10-30 TELEKRON S.r.l. Apparatus for picking-up and transmitting failure signals in installations comprising several lamps in parallel, especially for public lighting systems
IT1256034B (en) * 1992-08-07 1995-11-21 EQUIPMENT FOR REMOTE CONTROL OF THE LIGHT POWER OF EACH INDIVIDUAL LAMP AND FOR REMOTE CONTROL OF ITS SWITCHING ON AND OFF IN LIGHTING SYSTEMS IN SERIES OR IN PARALLEL THROUGH CONVEYED WAVES
US6583731B2 (en) * 2001-04-19 2003-06-24 Singapore Technologies Electronics Ltd. Fault detection for traffic light systems using electronic lighting elements
FR2835953B1 (en) * 2002-02-11 2006-08-18 Electronique Controle Mesure METHOD AND DEVICE FOR PROVENING RED CROSSING OF A CARREFOUR USING TEMPORIZED VIEWS
GB0305842D0 (en) * 2003-03-14 2003-04-16 Britax P M G Ltd Lamp failure warning device
US8237590B2 (en) * 2008-04-28 2012-08-07 GE Lighting Solutions, LLC Apparatus and method for reducing failures in traffic signals
WO2018134422A1 (en) * 2017-01-23 2018-07-26 Philips Lighting Holding B.V. System, and method for determining a health status of a dimmable pulsed led light string
EP3571896A1 (en) 2017-01-23 2019-11-27 Signify Holding B.V. System, and method for determining a health status of a dimmable pulsed led light string

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB550135A (en) * 1941-05-19 1942-12-24 Walter Stern Means for supervising an electric lighting load
GB728948A (en) * 1953-04-14 1955-04-27 Westinghouse Brake & Signal Improvements relating to lamp proving arrangements
DE1303440B (en) * 1964-11-21 1971-12-02 Franz Baumgartner Fabrik Elektrischer Apparate
GB1462631A (en) * 1973-03-03 1977-01-26 Lucas Electrical Ltd Vehicle warning systems
DE2433025A1 (en) * 1974-07-10 1976-01-22 Bosch Gmbh Robert METHOD AND DEVICE FOR CONTROLLING AND MONITORING ELECTRICAL SWITCHING OPERATIONS, IN PARTICULAR IN MOTOR VEHICLES
GB1506451A (en) * 1976-01-27 1978-04-05 British Airports Authority Airfield lighting circuits
FR2461626A1 (en) * 1979-07-16 1981-02-06 Jeumont Schneider DEVICE FOR SUPPLYING AND MONITORING THE CORRECT FUNCTIONING OF A RAILWAY SIGNALING FIRE
DE3112314C2 (en) * 1981-03-28 1985-04-18 Ceag Licht- Und Stromversorgungstechnik Gmbh, 4770 Soest Security lighting system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101615348A (en) * 2009-07-20 2009-12-30 交通部公路科学研究所 Signal switching method in the traffic control simulation testing system and equipment
CN101615348B (en) * 2009-07-20 2014-03-12 交通部公路科学研究所 Signal switching method and equipment in traffic control simulation testing system
CN113112834A (en) * 2021-04-14 2021-07-13 广东古田智能科技有限公司 Traffic light system and lamp bead fault detection method thereof

Also Published As

Publication number Publication date
GB2135540A (en) 1984-08-30

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)