Title:
PROJECTION DEVICE AND PROJECTION LENS
Document Type and Number:
WIPO Patent Application WO/2020/059876
Kind Code:
A1
Abstract:
Provided are a projection device and a projection lens that are highly convenient. A projection device (2) includes: a drive housing (55) having a projection (95) which projects from a center section (96); a projection lens (10) having a first rotary mechanism (88A); and a fan (92) for the intake or exhaust of gas. The center section (96) has a first A-side surface (55C1) on a first A-direction X1 side, which is one direction in a first direction X, and a second A-side surface (55D1) on a first B-direction X2 side, which is the other direction in the first direction X. The projection (95) has a first B-side surface (55C2) on the first A-direction X1 side, and a second B-side surface (55D2) on the first B-direction side facing the projection lens. The fan (92) faces the second A-side surface (55D1) and the second B-side surface (55D2).
Inventors:
SHIMIZU HITOSHI (JP)
MIYATA YASUYUKI (JP)
KURODA YASUTO (JP)
MIYATA YASUYUKI (JP)
KURODA YASUTO (JP)
Application Number:
PCT/JP2019/037101
Publication Date:
March 26, 2020
Filing Date:
September 20, 2019
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
G03B21/14; H04N5/74
Domestic Patent References:
| WO2017169903A1 | 2017-10-05 |
Foreign References:
| JP2007515681A | 2007-06-14 | |||
| JP2017083495A | 2017-05-18 | |||
| JPH09197341A | 1997-07-31 | |||
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| JP2006023361A | 2006-01-26 | |||
| JPH10221779A | 1998-08-21 | |||
| JP2007328022A | 2007-12-20 | |||
| CN101676793A | 2010-03-24 | |||
| JP2016156986A | 2016-09-01 | |||
| JP2012098506A | 2012-05-24 | |||
| US20150029470A1 | 2015-01-29 | |||
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| JP2016156983A | 2016-09-01 |
Other References:
See also references of EP 3855248A4
Attorney, Agent or Firm:
KYORITSU INSTITUTE (JP)
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