Self-contained electroluminescent back-lit clap board/slate havi

Details Self-contained electroluminescent back-lit clap board/slate havi Self-contained electroluminescent back-lit clap board/slate havi

1996-03-21

1997-06-10

Mathews, A. A.

Optics: motion pictures

With sound accompaniment

Sound stages, methods and accessories

352 90, 40544, 40546, 362 31, 362 84, 362253, 340332, G03B 3100, G03B 2132

Patent

active

056381514

ABSTRACT:
A back-lighted clap board or slate used with the identification of rolls, takes and scenes and like information in the making of films that is back-lit with an electroluminescent panel. In addition, a liquid crystal display is formed on the clap board in front of the electroluminescent panel so that the liquid crystal display is back-lit and made visible and thus in dark or semidark conditions will be energized and back-lit with the light from the electroluminescent panel.

REFERENCES:
patent: 5485354 (1996-01-01), Ciupke et al.
P. 66 of Audio Services Corp. Catalog, (Date Unknown), Showing Denecke TS-1 Time Code Slate.
P. 56 of Jun. 1994 American Cinematografor Magazine Showing Denecke, Inc. AD.
Denecke Inc. Catalog, 1993.
1992 BKL Inc. Article on LCD Backlighting.
1989 Loctite Luminescent Systems Inc. AD RE LCD Backlighting.

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