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Title:
ストロボ装置、及び撮像装置
Document Type and Number:
Japanese Patent JP5454119
Kind Code:
B2
Abstract:
A strobe device includes a discharge tube having a light transparent section and an optical member disposed in front of the light transparent section. The optical member includes a first incident face receiving a main beam radiated forward from the light transparent section, a pair of second incident faces receiving a complementary beam radiated forward and obliquely from the light transparent section, a pair of total reflection faces for reflecting totally and forwardly the complementary beam coming from the second incident faces, and an beam-emitting face through which the main beam and the complementary beam go outward. Each of the pair of total reflection faces is formed of a curved face such that the space between the curved faces expands towardthe front side from the discharge tube side between the total reflection faces expanding, and two tangential lines to the curved faces at starting points located on the discharge tube side cross each other at an intersection point behind the center of the discharge tube and yet in front of the outer perpheral face of the glass tube.

Inventors:
Toshiaki Murai
Application Number:
JP2009284702A
Publication Date:
March 26, 2014
Filing Date:
December 16, 2009
Export Citation:
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Assignee:
Panasonic Corporation
International Classes:
G03B15/05; F21S2/00; G03B15/02; F21Y101/00
Domestic Patent References:
JP8262537A
JP4138438A
JP2001264859A
Attorney, Agent or Firm:
Hiroki Naito
Kentaro Fujii
Ikuro Terauchi