Title:
光学装置及び光学変換器
Document Type and Number:
Japanese Patent JP7023441
Kind Code:
B2
Abstract:
An optical device comprises an optical device body (2) excluding an optical system, and the optical system including a projection lens unit (3) that projects emission light exiting from the optical device body (2) onto a projection plane to display an image. Specifically, the optical device comprises an optical system (5) including: an image angle conversion unit (8) that converts an image at a prescribed angle pertaining to the emission light (Co) from the optical device body (2) to an image rotated at least 90° about the optical axis; the projection lens unit (3) arranged in front of the image angle conversion unit (8) in the light traveling direction (Fc); and a lens shift mechanism (7) that supports the projection lens unit (3) and shifts the projection lens unit (3) vertically and/or horizontally (Fh).
Inventors:
Takashi Tsunoda
Kazuo Tabida
Kei Nakayama
Tsuchiya Michihiko
Kazuo Tabida
Kei Nakayama
Tsuchiya Michihiko
Application Number:
JP2018507100A
Publication Date:
February 22, 2022
Filing Date:
February 03, 2017
Export Citation:
Assignee:
Maxell Co., Ltd.
Cosina Co., Ltd.
Cosina Co., Ltd.
International Classes:
G03B21/14; G02B13/00; G03B21/00
Domestic Patent References:
| JP2010122485A | ||||
| JP2013235215A | ||||
| JP8062566A | ||||
| JP2011053512A | ||||
| JP2005173095A | ||||
| JP9101566A | ||||
| JP2001141913A |
Attorney, Agent or Firm:
Shimoda Shigeru