Mercury vapor discharge lamp for use in color copying by means o

Details Mercury vapor discharge lamp for use in color copying by means o Mercury vapor discharge lamp for use in color copying by means o

1974-11-26

1977-01-25

Demeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

2523014R, C09K 1112, C09K 1116, C09K 1130, H01J 6144

Patent

active

040053288

ABSTRACT:
Mercury vapor discharge lamp, in particular low pressure mercury vapor discharge lamp, for color copying by electrophotographic processes, which lamp has a luminescent layer which emits in a band in the blue part, in a band in the green part and in a band in the red part of the spectrum. The luminescent layer comprises two luminescent materials the first of which emits both in the said blue part and in the said green part of the spectrum, while the second emits in the said red part of the spectrum.

REFERENCES:
patent: 3569762 (1971-03-01), Levine et al.
patent: 3577350 (1971-05-01), Amster
patent: 3595802 (1971-07-01), Blasse
patent: 3748517 (1973-07-01), Haft
patent: 3825792 (1974-07-01), Rokosz et al.
patent: 3836477 (1974-09-01), Lagos
patent: 3875453 (1975-04-01), Thornton, Jr.

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