Global Patent Index - EP 0866647 B1

EP 0866647 B1 2001-02-07 - Circuit for operating a high pressure discharge lamp with a starting period shunting mode

Title (en)

Circuit for operating a high pressure discharge lamp with a starting period shunting mode

Title (de)

Betriebsschaltung für Hochdruckentladungslampen mit Zündzeitüberbrückungsfunktion

Title (fr)

Circuit pour alimenter des lampes à décharge à haute pression muni d'une fonction d'interim pendant l'amorçage

Publication

EP 0866647 B1 (DE)

Application

EP 98103765 A

Priority

DE 29705183 U

Abstract (en)

[origin: CA2232901A1] The circuit for operating a high-pressure gas discharge lamp (HID) has a device (ZZÜ) for ignition-time bridging by switching in a second lamp (GL), the ignition-time bridging device (ZZÜ) being driven by a signal (S) indicating the operating state of the high-pressure discharge lamp (HID), and the drive signal (S) being an output signal of a power controller (R) of the circuit.

IPC 1-7 (main, further and additional classification)

H05B 41/288; H05B 41/392; H05B 41/46

IPC 8 full level (invention and additional information)

H05B 41/282 (2006.01); H05B 37/04 (2006.01); H05B 41/04 (2006.01); H05B 41/36 (2006.01); H05B 41/46 (2006.01)

CPC (invention and additional information)

H05B 41/042 (2013.01); H05B 37/04 (2013.01); H05B 41/36 (2013.01); H05B 41/46 (2013.01); Y10S 315/04 (2013.01)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI NL SE

EPO simple patent family

DE 29705183 U1 19970515; AT 199113 T 20010215; CA 2232901 A1 19980921; CA 2232901 C 20050215; EP 0866647 A2 19980923; EP 0866647 A3 19981202; EP 0866647 B1 20010207; JP H10270188 A 19981009; US 5917287 A 19990629

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