Title:
PROJECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/261852
Kind Code:
A1
Abstract:
Provided is a projection device that images an object to be imaged with high resolution and can make good use thereof for control and the like of a projection image. A projector (100) is provided with: an optical system that projects an image from a display unit on a screen SC; a fourth optical system (37) with a variable focal length; and an imaging element (38) that images the screen SC through the fourth optical system (37). The imaging element (38) has a light receiving surface (38a) on which a plurality of pixels are two-dimensionally arranged in a direction Z and a direction Y, takes, as a projection captured image g1, an image obtained in a state in which the image projected on the screen SC is formed at the position of the light receiving surface (38a) by the fourth optical system (37), and the widths of the projection captured image g1 in the direction Z and the direction Y are respectively larger than the widths of the light receiving surface (38a) in the direction Z and the direction Y.
Inventors:
HAYASHI KENKICHI (JP)
INOUE KAZUKI (JP)
ITO KENJI (JP)
YONEYAMA KAZUYA (JP)
INOUE KAZUKI (JP)
ITO KENJI (JP)
YONEYAMA KAZUYA (JP)
Application Number:
PCT/JP2020/020910
Publication Date:
December 30, 2020
Filing Date:
May 27, 2020
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
H04N5/74; G03B21/00; G03B21/14; G06F3/01; H04N5/225; H04N5/232
Foreign References:
| JP2017032649A | 2017-02-09 | |||
| JP2015060327A | 2015-03-30 | |||
| JP2015064550A | 2015-04-09 |
Attorney, Agent or Firm:
KOH-EI PATENT FIRM, P.C. (JP)
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