Variable color-output strobe

Details Variable color-output strobe Variable color-output strobe

H - Electricity

05

B

315/12, 313/162

H05B 41/30 (2006.01) H01J 61/90 (2006.01) H01J 61/95 (2006.01) H05B 41/32 (2006.01)

Patent

CA 2001953

VARIABLE COLOR-OUTPUT STROBE ABSTRACT OF THE DISCLOSURE A single flash discharge tube system is pro- vided that is capable of emitting artificial light of a controlled and variable spectral output to compensate for photographic film color variations and/or extremes in scene color temperature. The flash tube contains a mixture of two or more gasses with each gas in the tube having a different ionization potential. When ionized, each gas or combination thereof produces light having a different spectral output. The ionization of each gas is controlled by a trigger voltage applied to the flash tube in accordance with a code on a film container indicative of the color balance of film contained therein and/or sensing apparatus that determines scene color temperature.

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