Global Patent Index - EP 1050067 A1

EP 1050067 A1 2000-11-08 - ELECTRIC INCANDESCENT LAMP WITH INFRARED REFLECTING LAYER

Title (en)

ELECTRIC INCANDESCENT LAMP WITH INFRARED REFLECTING LAYER

Title (de)

ELEKTRISCHE GLÜHLAMPE MIT IR-REFLEXIONSSCHICHT

Title (fr)

LAMPE A INCANDESCENCE ELECTRIQUE DOTEE D'UNE COUCHE A REFLEXION INFRAROUGE

Publication

EP 1050067 A1 (DE)

Application

EP 99969839 A

Priority

  • DE 9902897 W
  • DE 19844519 A

Abstract (en)

[origin: DE19844519A1] The invention relates to an electric incandescent lamp, notably an incandescent halogen lamp (4), comprising a bulb (5) having a layer (9) which reflects infrared radiation and a flat illuminating body (10) which defines an imaginary illuminating plane and is positioned inside the bulb (5). The bulb (5) is not rotationally symmetrical in relation to the axes situated in the illuminating plane. Instead, the bulb (5) has a non-rotationally symmetrically, flattened shape adapted to the flat shape of the illuminating body (10). It notably has an ellipsoid shape, whose shortest semi-axis is perpendicular to the imaginary illuminating plane of the illuminating body (10).

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

H01K 1/32

IPC 8 full level (invention and additional information)

H01K 1/28 (2006.01); H01K 1/32 (2006.01)

CPC (invention and additional information)

H01K 1/325 (2013.01)

Citation (search report)

See references of WO 0019489A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

DE 19844519 A1 20000406; DE 19844519 C2 20000803; AT 264006 T 20040415; CA 2311941 A1 20000406; DK 1050067 T3 20040510; EP 1050067 A1 20001108; EP 1050067 B1 20040407; JP 2002526896 A 20020820; JP 4567196 B2 20101020; US 6424089 B1 20020723; WO 0019489 A1 20000406

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