Title:
DISPLAY PHOTOGRAPHING DEVICE
Document Type and Number:
Japanese Patent JP2009037011
Kind Code:
A
Abstract:
To improve the image quality of an image photographed by a photographing device in a display photographing device where a polarizing-object scattering plate is used as a projection screen.
The display photographing device comprises: a screen 12 having a polarizing scattering function; a projection device 11 for projecting an image on the screen; a photographing device 14 that is installed on the opposite side to a subject 13 of the screen and photographs the subject over the screen; and a light source 1 for irradiating the subject. The polarization direction of the light used for photographing in the photographing device matches with the polarization direction of the light radiated from the light source.
Inventors:
DATE MUNEKAZU
TAKADA HIDEAKI
TAKADA HIDEAKI
Application Number:
JP2007201453A
Publication Date:
February 19, 2009
Filing Date:
August 02, 2007
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE
International Classes:
G02B5/30; G02F1/13; G03B21/62; H04N7/14
Domestic Patent References:
| JP2000075129A | 2000-03-14 | |||
| JP2003023550A | 2003-01-24 | |||
| JP2002344798A | 2002-11-29 | |||
| JP2007503641A | 2007-02-22 | |||
| JP2005278160A | 2005-10-06 | |||
| JP2001054085A | 2001-02-23 |
Attorney, Agent or Firm:
Akita Haruki
Keiichi Chino
Masao Inoue
Keiichi Chino
Masao Inoue
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