Vacuum fluorescent lamp having a flat geometry

Details Vacuum fluorescent lamp having a flat geometry Vacuum fluorescent lamp having a flat geometry

1983-10-06

1986-06-10

Bashore, S. Leon

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313495, 313496, H01J 162

Patent

active

045945276

ABSTRACT:
A vacuum fluorescent lamp has a novel planar construction permitting it to be closely positioned to an object plane and hence, used as an efficient illuminator. The lamp is constructed so that the lamp surface interfacing the object plane is optically transparent so as to permit illumination to reach a scan illumination strip. The lamp surface opposite the interface surface has an optical window formed therein which permits light rays reflected from the document to exit the lamp along an optical path extending through the lamp.

REFERENCES:
patent: 3149262 (1964-09-01), Skellett
patent: 3589789 (1971-06-01), Hubert et al.
patent: 4020386 (1977-04-01), Yasutome et al.
patent: 4413903 (1983-11-01), Corona et al.
patent: 4417184 (1983-11-01), Takesako et al.

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