General-purpose discharge lamp and general-purpose lighting appa

Details General-purpose discharge lamp and general-purpose lighting appa General-purpose discharge lamp and general-purpose lighting appa

1996-08-20

1998-06-23

Dombroske, George M.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

H01J 162

Patent

active

057709173

ABSTRACT:
A general-purpose discharge lamp of the present invention has a reciprocal correlated color temperature Mr and an index for feeling of contrast M, wherein the index for feeling of contrast M and the reciprocal correlated color temperature Mr satisfy the relationships:

REFERENCES:
patent: 5122710 (1992-06-01), Northrop et al.
patent: 5525860 (1996-06-01), Horaguchi et al.
Hashimoto et al, Color Research and Application, John Wiley & Sons, Inc., vol. 19, No. 3, Jun. 1994, pp. 171-185, "Visual Clarity and Feeling of Contrast.".
Hashimoto, J. Illum. Engng. Inst. Jpn, vol. 79, No. 11, 1995, pp. 639-647, "New Method for Specifying Color Rendering Properties of Light Sources Based on the Feeling of Contrast.".
Search Report dated May 27, 1997 for European Patent Application No. 96112998.8.

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