Reflector type fluorescent lamp for optical apparatus

Details Reflector type fluorescent lamp for optical apparatus Reflector type fluorescent lamp for optical apparatus

1985-10-17

1987-09-22

Moore, David K.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313488, 355 67, H01J 6135, H01J 6144

Patent

active

046957634

ABSTRACT:
A reflector type fluorescent lamp for use in an optical apparatus, such as a copying machine, has stripe shaped main aperture 3 and narrow stripe shaped sub-aperture 4, wherein the main aperture 3 has no reflective layer 5 and no phsophor layer 6, and the sub-aperture 4 has the phosphor layer 6; the light emitted from main aperture is used to illuminate a document to be copied and another light emitted from the sub-aperture 4 is used to erase electric charge on a photosensitive material drum.

REFERENCES:
patent: 3115309 (1963-12-01), Spencer et al.
patent: 3442582 (1969-05-01), Lahr
patent: 4255687 (1981-03-01), Van Engelen et al.

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