CA2433711A1 - Voyant d'alarme a semi-conducteurs sensible aux conditions ambiantes - Google Patents
Voyant d'alarme a semi-conducteurs sensible aux conditions ambiantes Download PDFInfo
- Publication number
- CA2433711A1 CA2433711A1 CA002433711A CA2433711A CA2433711A1 CA 2433711 A1 CA2433711 A1 CA 2433711A1 CA 002433711 A CA002433711 A CA 002433711A CA 2433711 A CA2433711 A CA 2433711A CA 2433711 A1 CA2433711 A1 CA 2433711A1
- Authority
- CA
- Canada
- Prior art keywords
- leds
- warning light
- light
- control circuit
- assembly
- 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.)
- Abandoned
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/2603—Attenuation of the light according to ambient luminiosity, e.g. for braking or direction indicating lamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/2611—Indicating devices mounted on the roof of the vehicle
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/32—Pulse-control circuits
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/375—Switched mode power supply [SMPS] using buck topology
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/32—Pulse-control circuits
- H05B45/327—Burst dimming
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/148—Arrangements of two or more hingeably connected rigid printed circuit boards, i.e. connected by flexible means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002433711A CA2433711A1 (fr) | 2002-06-26 | 2003-06-26 | Voyant d'alarme a semi-conducteurs sensible aux conditions ambiantes |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002391681A CA2391681A1 (fr) | 2002-06-26 | 2002-06-26 | Voyant d'avertissement a semi-conducteurs avec circuit d'excitation commande par microprocesseur |
CA2,391,681 | 2002-06-26 | ||
CA002433711A CA2433711A1 (fr) | 2002-06-26 | 2003-06-26 | Voyant d'alarme a semi-conducteurs sensible aux conditions ambiantes |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2433711A1 true CA2433711A1 (fr) | 2003-12-26 |
Family
ID=30771626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002433711A Abandoned CA2433711A1 (fr) | 2002-06-26 | 2003-06-26 | Voyant d'alarme a semi-conducteurs sensible aux conditions ambiantes |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2433711A1 (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007049198A1 (fr) * | 2005-10-27 | 2007-05-03 | Koninklijke Philips Electronics N.V. | Systeme d'excitation d'une charge de courant constant |
NL2001528C2 (nl) * | 2008-04-25 | 2009-10-27 | Lagotronics B V | Werkwijze, inrichting en stuursignaal voor het regelen van een door een elektrische energieomzetter aan een belasting afgegeven gewenst gemiddeld vermogen gedurende een tijdinterval. |
WO2009147601A1 (fr) * | 2008-06-04 | 2009-12-10 | Nxp B.V. | Convertisseur continu continu |
WO2009136331A3 (fr) * | 2008-05-06 | 2009-12-30 | Philips Intellectual Property & Standards Gmbh | Appareil permettant le couplage d'une source de courant à une lampe |
EP2454122A1 (fr) * | 2009-07-14 | 2012-05-23 | Federal Signal Corporation | Barre de feu d'urgence à alimentation propre |
US9002313B2 (en) | 2006-02-22 | 2015-04-07 | Federal Signal Corporation | Fully integrated light bar |
US9346397B2 (en) | 2006-02-22 | 2016-05-24 | Federal Signal Corporation | Self-powered light bar |
-
2003
- 2003-06-26 CA CA002433711A patent/CA2433711A1/fr not_active Abandoned
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007049198A1 (fr) * | 2005-10-27 | 2007-05-03 | Koninklijke Philips Electronics N.V. | Systeme d'excitation d'une charge de courant constant |
US9002313B2 (en) | 2006-02-22 | 2015-04-07 | Federal Signal Corporation | Fully integrated light bar |
US9346397B2 (en) | 2006-02-22 | 2016-05-24 | Federal Signal Corporation | Self-powered light bar |
US9878656B2 (en) | 2006-02-22 | 2018-01-30 | Federal Signal Corporation | Self-powered light bar |
NL2001528C2 (nl) * | 2008-04-25 | 2009-10-27 | Lagotronics B V | Werkwijze, inrichting en stuursignaal voor het regelen van een door een elektrische energieomzetter aan een belasting afgegeven gewenst gemiddeld vermogen gedurende een tijdinterval. |
WO2009136331A3 (fr) * | 2008-05-06 | 2009-12-30 | Philips Intellectual Property & Standards Gmbh | Appareil permettant le couplage d'une source de courant à une lampe |
US8791653B2 (en) | 2008-05-06 | 2014-07-29 | Koninklijke Philips N.V. | Apparatus for coupling power source to lamp |
WO2009147601A1 (fr) * | 2008-06-04 | 2009-12-10 | Nxp B.V. | Convertisseur continu continu |
US8653757B2 (en) | 2008-06-04 | 2014-02-18 | Nxp B.V. | DC-DC converter |
EP2454122A1 (fr) * | 2009-07-14 | 2012-05-23 | Federal Signal Corporation | Barre de feu d'urgence à alimentation propre |
EP2454122A4 (fr) * | 2009-07-14 | 2015-02-25 | Fed Signal Corp | Barre de feu d'urgence à alimentation propre |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Discontinued |