Title:
SHADING LENS HOOD
Document Type and Number:
Japanese Patent JP2023086014
Kind Code:
A
Abstract:
To suppress a cost for a shading mechanism to be low.SOLUTION: A shading lens hood is formed in a cylindrical shape to cover a projection lens 2 protruding from an outer face 1a of a projector body 1. The shading lens hood includes: a fixed cylinder part 4 configured to cover the projection lens 2 while fixed onto the outer face 1a of the projector body 1; a shading cylinder part 5 formed in a cylindrical shape to cover at least a tip in a protruding direction of the projection lens 2 while configured to be attached to the fixed cylinder part 4 slidably in an axial direction thereof; and a shading plate 6 provided at a tip of the shading cylinder part 5 and configured to shade unnecessary light in light emitted from a tip 21 of the projection lens 2.SELECTED DRAWING: Figure 10
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Inventors:
KUMAGAI TAKAHIRO
Application Number:
JP2021200382A
Publication Date:
June 21, 2023
Filing Date:
December 09, 2021
Export Citation:
Assignee:
SHARP NEC DISPLAY SOLUTIONS LTD
International Classes:
G03B21/14; G03B11/04; G03B21/00
Attorney, Agent or Firm:
Sumio Tanai
Ryuichiro Mori
Yasushi Matsunuma
Eisuke Ito
Ryuichiro Mori
Yasushi Matsunuma
Eisuke Ito
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