Lighting appliance having high diffusion power

Details Lighting appliance having high diffusion power Lighting appliance having high diffusion power

1985-04-11

1987-03-10

Dolinar, Andrew M.

Illumination

Photographic lighting

Including specific light modifier

362297, 362307, G03B 1506

Patent

active

046494634

ABSTRACT:
A lighting appliance having high diffusion power, in particular for illuminating a subject when taking photographs, shooting films or the like. The appliance comprises a diffusion screen placed in front of a light source carried by the base of the lighting unit and a reflector placed behind the light source. The diffusion screen has at least two flat or curved faces directed both towards the front and towards the sides. The space delimited above the base of the lighting unit is closed at the rear by a reflecting wall and the top face of the base is also reflecting. A curved or faceted lateral cheek is provided opposite to the faces of the diffusion screen and on each side. The cheek face which is directed towards the diffusion screen is reflecting and the internal edges of the cheek are rigidly fixed both to the corresponding edge of the base of the lighting unit and to the respective rear edge of the diffusion screen.

REFERENCES:
patent: 1596159 (1926-08-01), Doane
patent: 4053766 (1977-10-01), Brass
patent: 4409646 (1983-10-01), Baliozian
patent: 4428030 (1984-01-01), Baliozian

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