Title:
プロジェクタ
Document Type and Number:
Japanese Patent JP4111074
Kind Code:
B2
Abstract:
An optical system irradiates illumination light onto a region which is smaller than image forming area, by changing the size and shape of light beam emitted from a light source. An optical system scans the illumination light in image forming area. An independent claim is also included for projector.
More Like This:
| JPS62184434 | LIGHT BEAM DEFLECTOR |
| JP4827279 | Optical scanning device and image forming device using it |
| JP2002244059 | LASER BEAM SCANNER |
Inventors:
Hideki Kojima
Application Number:
JP2003170698A
Publication Date:
July 02, 2008
Filing Date:
June 16, 2003
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
G02B26/10; G03B21/00; F21S2/00; F21V5/00; G02B27/18; G03B21/14; H04N3/06; H04N5/74; H04N9/31; F21Y101/00
Domestic Patent References:
| JP2003344833A | ||||
| JP6319148A | ||||
| JP8022006A | ||||
| JP2001174913A | ||||
| JP2004004463A | ||||
| JP9512648A |
Foreign References:
| WO2002001884A1 | ||||
| WO2002013541A1 |
Attorney, Agent or Firm:
Masahiko Ueyanagi
Osamu Suzawa
Osamu Suzawa