WO2011101398A3 - Mesure de tension pour del - Google Patents
Mesure de tension pour del Download PDFInfo
- Publication number
- WO2011101398A3 WO2011101398A3 PCT/EP2011/052329 EP2011052329W WO2011101398A3 WO 2011101398 A3 WO2011101398 A3 WO 2011101398A3 EP 2011052329 W EP2011052329 W EP 2011052329W WO 2011101398 A3 WO2011101398 A3 WO 2011101398A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- emitting diode
- diode path
- voltage measurement
- led voltage
- Prior art date
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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
- H05B45/59—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits for reducing or suppressing flicker or glow effects
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112011100594.6T DE112011100594B4 (de) | 2010-02-18 | 2011-02-17 | LED-Spannungsmessung |
EP11703901.6A EP2540139B1 (fr) | 2010-02-18 | 2011-02-17 | Mesure de tension pour del |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010002081A DE102010002081A1 (de) | 2010-02-18 | 2010-02-18 | LED-Spannungsmessung |
DE102010002081.8 | 2010-02-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011101398A2 WO2011101398A2 (fr) | 2011-08-25 |
WO2011101398A3 true WO2011101398A3 (fr) | 2014-03-13 |
Family
ID=44044112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/052329 WO2011101398A2 (fr) | 2010-02-18 | 2011-02-17 | Mesure de tension pour del |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2540139B1 (fr) |
DE (2) | DE102010002081A1 (fr) |
WO (1) | WO2011101398A2 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011116231B4 (de) * | 2011-10-17 | 2017-12-21 | Austriamicrosystems Ag | Beleuchtungsanordnung und Verfahren zum Erkennen eines Kurzschlusses bei Dioden |
DE102012220761A1 (de) * | 2012-11-14 | 2014-05-15 | Bag Engineering Gmbh | Multifunktionales Betriebsgerät zum Versorgen eines Verbrauchers wie einer LED-Einrichtung |
CN104838725A (zh) * | 2012-12-06 | 2015-08-12 | 赤多尼科两合股份有限公司 | 用于发光机构的操作装置 |
AT13688U1 (de) * | 2012-12-06 | 2014-06-15 | Tridonic Gmbh & Co Kg | Betriebsgerät für Leuchtmittel |
DE102020208944A1 (de) | 2020-07-16 | 2022-01-20 | Osram Gmbh | Verfahren und schaltungsanordnung zur detektion eines teilausfalls eines leuchtmittels mit mindestens einem strang von halbleiterlichtquellen |
DE102020008118A1 (de) | 2020-12-08 | 2022-06-09 | Elmos Semiconductor Se | Verfahren zur sicherheitsrelevanten Erfassung des Spannungsabfalls über ein Leuchtmittel in einem Fahrzeug |
DE102020132666B3 (de) | 2020-12-08 | 2022-03-10 | Elmos Semiconductor Se | Vorrichtung und Verfahren zur sicherheitsrelevanten Erfassung des Spannungsabfalls über ein Leuchtmittel in einem Fahrzeug |
CN113193910B (zh) * | 2021-04-12 | 2022-10-18 | 武汉船舶通信研究所(中国船舶重工集团公司第七二二研究所) | 一种led电光调制频率特性的自动测量装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2278717A (en) * | 1993-05-31 | 1994-12-07 | Fujitsu Ltd | Driver circuit for light emitting elements |
DE202007007776U1 (de) * | 2007-06-01 | 2007-08-09 | Conwys Ag | Anhängeranschlußgerät |
WO2008007106A1 (fr) * | 2006-07-14 | 2008-01-17 | Wolfson Microelectronics Plc | Circuit et procédé de protection |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0792205A (ja) * | 1993-09-27 | 1995-04-07 | Matsushita Electric Works Ltd | 電源電圧検知装置 |
JP3417891B2 (ja) * | 1999-10-27 | 2003-06-16 | 株式会社オートネットワーク技術研究所 | 電流検出装置 |
DE10140331C2 (de) * | 2001-08-16 | 2003-11-06 | Siemens Ag | Lichtzeichen zur Verkehrssteuerung und Verfahren zur Funktionsüberwachung eines solchen Zeichens |
DE102004027676B4 (de) * | 2004-04-30 | 2006-06-14 | Siemens Ag | Verfahren und Vorrichtung zum Prüfen wenigstens eines LED-Strangs |
DE102006034371B4 (de) | 2006-04-21 | 2019-01-31 | Tridonic Ag | Betriebsschaltung und Betriebsverfahren für Leuchtdioden |
AT504949B1 (de) * | 2007-02-20 | 2008-11-15 | Zizala Lichtsysteme Gmbh | Schaltungsanordnung zur erkennung eines kurzschlusses von leuchtdioden |
DE202007007777U1 (de) * | 2007-06-01 | 2007-08-16 | Conwys Ag | Schaltungsanordnung |
US8421375B2 (en) * | 2007-06-25 | 2013-04-16 | Ingersoll-Rand Company | Amplification circuit and heat sink used with a light emitting apparatus having varying voltages |
JP4994253B2 (ja) * | 2008-01-24 | 2012-08-08 | 株式会社ジャパンディスプレイイースト | 液晶表示装置 |
-
2010
- 2010-02-18 DE DE102010002081A patent/DE102010002081A1/de not_active Withdrawn
-
2011
- 2011-02-17 EP EP11703901.6A patent/EP2540139B1/fr active Active
- 2011-02-17 WO PCT/EP2011/052329 patent/WO2011101398A2/fr active Application Filing
- 2011-02-17 DE DE112011100594.6T patent/DE112011100594B4/de active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2278717A (en) * | 1993-05-31 | 1994-12-07 | Fujitsu Ltd | Driver circuit for light emitting elements |
WO2008007106A1 (fr) * | 2006-07-14 | 2008-01-17 | Wolfson Microelectronics Plc | Circuit et procédé de protection |
DE202007007776U1 (de) * | 2007-06-01 | 2007-08-09 | Conwys Ag | Anhängeranschlußgerät |
Also Published As
Publication number | Publication date |
---|---|
DE102010002081A1 (de) | 2011-08-18 |
EP2540139B1 (fr) | 2016-10-05 |
EP2540139A2 (fr) | 2013-01-02 |
DE112011100594A5 (de) | 2013-01-24 |
DE112011100594B4 (de) | 2015-09-03 |
WO2011101398A2 (fr) | 2011-08-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2011101398A3 (fr) | Mesure de tension pour del | |
WO2012053825A3 (fr) | Dispositif d'excitation de diode électroluminescente | |
WO2014030062A3 (fr) | Appareil de lumière de secours | |
MX346857B (es) | Modulo de iluminacion de diodo fotoemisor con diagnostico integrado. | |
WO2012052875A3 (fr) | Lampe à diode électroluminescente pour conversion | |
WO2013136301A3 (fr) | Agencement de circuit | |
EP2360994A3 (fr) | Circuit de commande de régulateur de courant couplant en dérivation le courant au travers d`un charge de diviseur potentiométrique | |
WO2012101519A3 (fr) | Appareil d'éclairage à del | |
EP2392931A3 (fr) | Compensation dynamique de dérive vieillissante dans une résistance de détection de courant | |
WO2014015021A3 (fr) | Luminaire à led à température ambiante élevée, avec montage de circuits de compensation thermique | |
GB2549012A (en) | Light emitting diode (LED)driver having direct replacement capabilities | |
GB201300495D0 (en) | Circuits and methods of driving light sources | |
PH12015501160A1 (en) | Led driver circuit using flyback converter to reduce observable optical flicker by reducing rectified ac mains ripple | |
WO2011098235A3 (fr) | Circuit de dérivation de module pour un module photovoltaïque | |
EP2709252A3 (fr) | Dispositif d'éclairage à DEL | |
WO2008109276A3 (fr) | Source d'énergie électrique hybride | |
CY1116353T1 (el) | Ρυθμιστης ρευματος | |
WO2013090700A3 (fr) | Détection de tension de transformateur dans des systèmes d'éclairage pouvant être atténués | |
RO201200043U3 (ro) | Dispozitiv cu diode emiţătoare de lumină | |
NZ586130A (en) | An led driver method for traffic lanterns | |
IN2014CN01065A (fr) | ||
WO2014090931A3 (fr) | Ensemble pour faire fonctionner des sources de lumière | |
WO2013110649A3 (fr) | Gestion combinee de deux sources de tension | |
WO2014094014A3 (fr) | Convertisseur de courant constant commandé de primaire pour moyens d'éclairage | |
WO2011134980A3 (fr) | Circuiterie pour faire fonctionner des del |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11703901 Country of ref document: EP Kind code of ref document: A2 |
|
REEP | Request for entry into the european phase |
Ref document number: 2011703901 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011703901 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 112011100594 Country of ref document: DE Ref document number: 1120111005946 Country of ref document: DE |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: R225 Ref document number: 112011100594 Country of ref document: DE Effective date: 20130124 |