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Patent Searching and Data


Title:
CONVERTING APPARATUS AND ITS METHOD
Document Type and Number:
Japanese Patent JP2006276804
Kind Code:
A
Abstract:

To provide a converting apparatus that converts a projection type projecting-imaging device into a recess type projecting-imaging device.

A cylindrical prism device 202 is disposed on a cylindrical projection type device 300 along its outer circumference. The cylindrical prism device 202 is composed of a plurality of prisms in order to deflect projection light from the projection type device 300 obliquely downward. A cylindrical mirror device 206 is disposed below the cylindrical prism device 202 in order to deflect light from the cylindrical prism device 202 toward its inner circumference.


Inventors:
MOMOI YOSHIHARU
Application Number:
JP2005100226A
Publication Date:
October 12, 2006
Filing Date:
March 30, 2005
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
G03B35/20; G03B21/00
Attorney, Agent or Firm:
Tamako Tsutada
Masato Tsuda
Tetsuji Nakamura
Katsuyuki Tomita
Husband