Title:
Lens mirror array, optical unit and image forming device
Document Type and Number:
Japanese Patent JP6324912
Kind Code:
B2
Abstract:
An example is a lens mirror array in which many optical elements, each of which comprises a first lens surface that is formed at the top of convex portion protruding outwards and converges light, a protrusion that includes a first mirror surface which reflects the light emitted from the first lens surface at the top and a light-shielding surface that has side walls at two sides thereof with respect to a light advancing direction and prevents advance of the light through the side walls, a second mirror surface that reflects the light reflected by the first mirror surface of the protrusion and a second lens surface that images the light emitted from the second mirror surface on an image plane, is arranged in a horizontal scanning direction; by comparing both ends in the horizontal scanning direction with the center in the horizontal scanning direction.
Inventors:
Takashi Shiraishi
Application Number:
JP2015012872A
Publication Date:
May 16, 2018
Filing Date:
January 27, 2015
Export Citation:
Assignee:
TOSHIBA TEC CORPORATION
International Classes:
G02B17/08; B41J2/447; G02B3/00; G02B5/08; G02B27/18
Domestic Patent References:
| JP2014142449A | ||||
| JP2013246204A | ||||
| JP2013088662A |
Attorney, Agent or Firm:
Amagi International Patent Office