Multi-source shadowless operating lamp

Details Multi-source shadowless operating lamp Multi-source shadowless operating lamp

2011-07-19

2011-07-19

Dzierzynski, Evan (Department: 2875)

Illumination

Supports

Adjustable light support

C362S428000, C362S804000

Reexamination Certificate

active

07980738

ABSTRACT:
A multi-source shadowless operating lamp is disclosed, which includes a central base, a link element received in the central base, and a plurality of spotlights mounted on a peripheral of the central base and spaced a distance apart from each other. A light field is defined below the central base and extends perpendicular to the central base. Each spotlight defines a light focus spot through the light field. The focus spots exactly pass the same height in the light field. Each spotlight includes a lamp shell connecting with the central base, a dissipation substrate accommodated in the lamp shell, and a plurality of LED sets. The LED sets at different positions respectively cast light to the focus spot of the spotlight. An angle between the dissipation substrate and the light shell is adjustable to change position of the focus spot of the spotlight relative to the light field.

REFERENCES:
patent: 7562999 (2009-07-01), Chen
patent: 7810948 (2010-10-01), Ogashiwa
patent: 2003/0185009 (2003-10-01), Walters
patent: 2011/0051434 (2011-03-01), Lin

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