Lamp for scanning apparatus

Details Lamp for scanning apparatus Lamp for scanning apparatus

1988-12-27

1990-07-31

O'Shea, Sandra L.

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

For filament

313274, H01J 194, H01J 1950

Patent

active

049452851

ABSTRACT:
An elongate incandescent lamp for a scanning apparatus comprises an elongate transparent tube enclosing an elongate filament supported only by its ends and maintained under tension by a compression spring surrounding a relatively low resistance slidably supported rod member that supports the corresponding end of the filament and conducts current to the filament.

REFERENCES:
patent: 764994 (1904-07-01), Dutertre
patent: 1041100 (1912-10-01), Knowles
patent: 1104807 (1914-07-01), Knight
patent: 3739219 (1973-06-01), Carley
patent: 4752897 (1988-06-01), Zoeller et al.

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