Apparatus for automatically correcting arc position of high pres

Details Apparatus for automatically correcting arc position of high pres Apparatus for automatically correcting arc position of high pres

1988-06-13

1989-10-03

Groody, James J.

Electric lamp and discharge devices: systems

Discharge device load

Electromagnetic influenced discharge device

313154, 313156, 313161, 315151, 315156, 356122, H01J 1714

Patent

active

048719471

ABSTRACT:
Disclosed is an apparatus for stabilizing the light output of a high pressure discharge lamp comprising a coil generating a magnetic field acting upon the arc of the high pressure discharge lamp, an arc position detector detecting deviation of the position of the arc, and a magnetic field control circuit controlling the coil in response to the deviation detection output signal of the the arc position detector thereby setting right the position of the arc of the high pressure discharge lamp.

REFERENCES:
patent: 3493763 (1970-02-01), Hannappel
patent: 3562583 (1971-02-01), Zollweg et al.
patent: 4064418 (1977-12-01), Kearney
patent: 4720660 (1988-01-01), Whelan
patent: 4780645 (1988-10-01), Toho et al.

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