Apparatus for observing arc of lamp

Details Apparatus for observing arc of lamp Apparatus for observing arc of lamp

1998-02-20

2000-03-28

Tung, Bryan

Television

Special applications

Manufacturing

348125, H04N 718

Patent

active

06043841&

ABSTRACT:
A lamp arc observing apparatus includes a lens unit installed in the path of light emitted from a lamp, a camera for viewing the image of the electrodes of the lamp through the lens unit, and a light intensity controlling device installed between the lens unit and the camera for controlling the intensity of light incident on the camera so that the camera can capture the image of the electrodes of the lamp.

REFERENCES:
patent: 4492469 (1985-01-01), Fujimori
patent: 5209689 (1993-05-01), Griffin

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