NL190588C - Lamp failure detector. - Google Patents

Lamp failure detector.

Info

Publication number
NL190588C
NL190588C NL8403575A NL8403575A NL190588C NL 190588 C NL190588 C NL 190588C NL 8403575 A NL8403575 A NL 8403575A NL 8403575 A NL8403575 A NL 8403575A NL 190588 C NL190588 C NL 190588C
Authority
NL
Netherlands
Prior art keywords
failure detector
lamp failure
lamp
detector
failure
Prior art date
Application number
NL8403575A
Other languages
Dutch (nl)
Other versions
NL8403575A (en
NL190588B (en
Inventor
John Samuel Coulter
William Ritchie
Original Assignee
Peek Traffic 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 Peek Traffic Ltd filed Critical Peek Traffic Ltd
Publication of NL8403575A publication Critical patent/NL8403575A/en
Publication of NL190588B publication Critical patent/NL190588B/en
Application granted granted Critical
Publication of NL190588C publication Critical patent/NL190588C/en

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
NL8403575A 1983-11-25 1984-11-23 Lamp failure detector. NL190588C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08331551A GB2150372B (en) 1983-11-25 1983-11-25 Lamp failure detector
GB8331551 1983-11-25

Publications (3)

Publication Number Publication Date
NL8403575A NL8403575A (en) 1985-06-17
NL190588B NL190588B (en) 1993-12-01
NL190588C true NL190588C (en) 1994-05-02

Family

ID=10552364

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8403575A NL190588C (en) 1983-11-25 1984-11-23 Lamp failure detector.

Country Status (3)

Country Link
DE (1) DE3441824C2 (en)
GB (1) GB2150372B (en)
NL (1) NL190588C (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3541549A1 (en) * 1985-11-25 1987-05-27 Stuehrenberg Rolf Method and device for protecting signals in traffic lights
IT1204239B (en) * 1986-05-22 1989-03-01 Zetron Istituto Zanussi Per La LAMP CONTROL DEVICE WITH GLASS BULBS AND RELATED PROCEDURE
DE3632179A1 (en) * 1986-09-22 1988-04-07 Siemens Ag Circuit for monitoring signal lamps
DE8909649U1 (en) * 1989-08-11 1990-12-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
DE4000108A1 (en) * 1990-01-04 1991-07-11 Felten & Guilleaume Energie Low voltage lamp overheating protector - compares lamp current with set manned current and set deviation outside given range
FR2661250B1 (en) * 1990-04-18 1992-11-13 Chauffe Cie Generale DEVICE FOR MONITORING A PUBLIC OR SIMILAR LIGHTING NETWORK FOR LOCATING FIXTURE FAILURES.
US5248967A (en) * 1991-04-26 1993-09-28 Marek Daneshfar Method and apparatus for monitoring electrical devices
ES2116227B1 (en) * 1996-06-28 1999-04-01 Aleza Izquierdo Porfirio CONTROL AND ANALYSIS SYSTEM FOR TRAFFIC LIGHTS.
FR2768589B1 (en) * 1997-09-16 1999-11-12 Sagem METHOD FOR MONITORING A PLURALITY OF LIGHT SOURCES FOR CONTROLLING TRAFFIC AT A CROSSING
JP4398417B2 (en) 2005-10-19 2010-01-13 株式会社小糸製作所 Lighting control device for vehicle lamp
DE102006018575A1 (en) 2006-04-21 2007-10-25 Tridonicatco Gmbh & Co. Kg Error detection of LEDs
CN106504559A (en) * 2016-12-26 2017-03-15 上海澳星照明电器制造有限公司 Traffic signal light fault method for early warning

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2833761C3 (en) * 1978-08-01 1981-12-03 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for monitoring the status of signal systems, in particular road traffic light signal systems
JPS55139795A (en) * 1979-04-19 1980-10-31 Tokyo Shibaura Electric Co Core disconnector detector for series firing circuit
CH652671A5 (en) * 1980-08-18 1985-11-29 Stin Light signal circuit arrangement in a railway system
FR2506110A1 (en) * 1981-05-14 1982-11-19 Serres Bernard MEMORY DEVICE FOR LIGHTING CONTROL
DE3206345A1 (en) * 1982-02-22 1983-09-01 Siemens AG, 1000 Berlin und 8000 München Light signal installation, in particular traffic signal installation

Also Published As

Publication number Publication date
NL8403575A (en) 1985-06-17
GB2150372A (en) 1985-06-26
DE3441824C2 (en) 1994-01-13
GB2150372B (en) 1986-12-10
NL190588B (en) 1993-12-01
GB8331551D0 (en) 1984-01-04
DE3441824A1 (en) 1985-06-05

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: FERRANTI INTERNATIONAL SIGNAL PLC

BC A request for examination has been filed
DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: FERRANTI INTERNATIONAL PLC

CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: PEEK TRAFFIC LIMITED

V1 Lapsed because of non-payment of the annual fee

Effective date: 19990601