Lighting apparatus and image pickup apparatus

Details Lighting apparatus and image pickup apparatus Lighting apparatus and image pickup apparatus

2006-02-14

2006-02-14

Sikder, Mohammad (Department: 2872)

Illumination

Photographic lighting

Including specific light modifier

C362S003000, C362S308000

Reexamination Certificate

active

06997571

ABSTRACT:
The present invention discloses a lighting apparatus including a light source, an optical member that is placed in front of the light source and provided with a reflecting surface for reflecting light from the light source or prism sections each made up of a refracting surface which receives the light incident from the light source and a reflecting surface for reflecting the light incident from this refracting surface. Here, in the optical member, there is a plurality of pairs of the reflecting surfaces or prism sections arranged in the direction perpendicular to the optical axis within a plane including the radial direction of the light source centered on the optical axis. The present invention can provide a low-profile lighting apparatus using light from the light source with high efficiency.

REFERENCES:
patent: 2254962 (1941-09-01), Bitner et al.
patent: 5404869 (1995-04-01), Parkyn, Jr. et al.
patent: 5577492 (1996-11-01), Parkyn, Jr. et al.
patent: 6575582 (2003-06-01), Tenmyo

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