Illumination – Elongated source light unit or support – With or including transparent or translucent member
Patent
1985-10-24
1987-07-14
Myhre, Charles J.
Illumination
Elongated source light unit or support
With or including transparent or translucent member
362130, 362309, 362339, 362332, F21V 502
Patent
active
046806849
ABSTRACT:
A bed reading lamp, particularly for hospital rooms, includes a lamp housing attachable to a wall of a room, the lamp housing including at least one cover which closes a light outlet opening provided in the lower area of the housing and which is translucent and serves to guide the light. The cover includes a lower first portion having an inclined part and a horizontal part and a second portion connected to the first portion. The inclined part and the second portion have prismatic profiles on their sides facing the lamp. The height of the prismatic profiles of the inclined part of the first portion decreases toward the horizontal part of the first portion. The cover provides a light distribution which ensures that neither the person lying in the bed provided with the lamp nor a person in a bed on an opposite wall will be blinded by the light of the lamp.
REFERENCES:
patent: 3022416 (1962-02-01), Roberts
patent: 3340393 (1967-09-01), Franck et al.
patent: 3647148 (1972-03-01), Wince
patent: 4071750 (1978-11-01), Schneppendahl et al.
patent: 4450509 (1984-05-01), Henry
Cox D. M.
Myhre Charles J.
Zumtobel Aktiengesellschaft
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