Image taking apparatus

Details Image taking apparatus Image taking apparatus

2006-07-14

2009-08-18

Perkey, William B (Department: 2862)

Photography

Flash system responsive to focal length or distance

Illumination angle responds to focal length or distance

C396S175000, C396S200000

Reexamination Certificate

active

07577347

ABSTRACT:
In an image taking apparatus, an arc tube and a reflector are moved forward when a zoom switch is operated to a WIDE-side and two reflection side plates are disposed such as to cover and hide Fresnel lenses located on both ends of a protector. Light emitted sideway from the arc tube is reflected from the reflection side plates, the light is introduced toward a central portion of the protector, and a radiation field suitable for a wide angle is formed. If the zoom switch is operated toward the TELE side, the reflection side plates are inclined such as to expose the Fresnel lenses on the both ends of the protector and the arc tube and the reflector are retreated at the same time, light emitted sideway from the arc tube is entirely guided to the Fresnel lenses, and a radiation field suitable for a TELE angle is formed.

REFERENCES:
patent: 5734934 (1998-03-01), Horinishi et al.
patent: 6011929 (2000-01-01), Fuke et al.
patent: 55-129326 (1980-10-01), None
patent: 02-291538 (1990-12-01), None
patent: 06-180469 (1994-06-01), None
patent: 2001-005072 (2001-01-01), None

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