Short-arc high-pressure discharge lamp for digital...

Details Short-arc high-pressure discharge lamp for digital... Short-arc high-pressure discharge lamp for digital...

H - Electricity

01

J

H01J 61/86 (2006.01) H01J 61/073 (2006.01) H01J 61/16 (2006.01)

Patent

CA 2365357

In a short-arc high-pressure discharge lamp (1) with a xenon fill for digital projection purposes, the separation L in mm of the two mutually facing end sections (6a, 8c) of the cathode (6) and the anode (8) when the lamp is hot is given by the relationship 0.8×P <= L <= 1×P+1, where P is the lamp power in kW. Further, the diameter D of the circular-cylindrical middle section (8a) of the anode (8) in mm obeys the relationship D >= 2.1×L+10.

Dans une lampe à décharge haute pression à arc court (1) remplie de xénon pour des projections numériques, l'écart L en mm des deux sections d'extrémité face à face (6a, 8c) de la cathode (6) et de l'anode (8) lorsque la lampe est chaude est exprimé par la relation 0,8.fois.P <= L <= 1.fois.P+1, où P représente la puissance de la lampe en kW. En outre, le diamètre D de la section cylindrique circulaire centrale (8a) de l'anode (8), en mm, est exprimé par la relation D >= 2.1.fois.L+10.

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