Title:
CASING
Document Type and Number:
Japanese Patent JP3514150
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a casing which can protect a light source and suitably change intensity of light irradiated from the light source to a user and facilitate work of manufacture, separation and recovery by eliminating need for welding parts whose material is different from the casing in using a light source cover and suppress manufacturing costs of a mold.
SOLUTION: Light L from a LED 102 is made incident into through holes 101a formed in oblique direction to an optical axis of the LED 102 at four portions surrounding a shading wall 101b of a panel 101 oppositely spaced to the LED 102. Light of suitable intensity to a user can be provided by outgoing the light L reflected at inner wall surface of the through holes 101a through the through holes 101a.
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Inventors:
Funasugi, Yukimasa
Application Number:
JP2516399A
Publication Date:
March 31, 2004
Filing Date:
February 02, 1999
Export Citation:
Assignee:
NEC CORP
International Classes:
F21V11/08; (IPC1-7): F21V11/08
Attorney, Agent or Firm:
堀 城之
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