JP2011081415A - 投写光学ユニット - Google Patents

投写光学ユニット Download PDF

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Publication number
JP2011081415A
JP2011081415A JP2010289130A JP2010289130A JP2011081415A JP 2011081415 A JP2011081415 A JP 2011081415A JP 2010289130 A JP2010289130 A JP 2010289130A JP 2010289130 A JP2010289130 A JP 2010289130A JP 2011081415 A JP2011081415 A JP 2011081415A
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JP
Japan
Prior art keywords
optical unit
projection optical
lens group
image
projection
Prior art date
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Pending
Application number
JP2010289130A
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English (en)
Japanese (ja)
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JP2011081415A5 (https=
Inventor
Masahiko Tanitsu
雅彦 谷津
Koji Hirata
浩二 平田
Hidehiro Ikeda
英博 池田
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Hitachi Ltd
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Hitachi Ltd
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Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2010289130A priority Critical patent/JP2011081415A/ja
Publication of JP2011081415A publication Critical patent/JP2011081415A/ja
Publication of JP2011081415A5 publication Critical patent/JP2011081415A5/ja
Pending legal-status Critical Current

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  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Lenses (AREA)
JP2010289130A 2010-12-27 2010-12-27 投写光学ユニット Pending JP2011081415A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010289130A JP2011081415A (ja) 2010-12-27 2010-12-27 投写光学ユニット

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010289130A JP2011081415A (ja) 2010-12-27 2010-12-27 投写光学ユニット

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2003398395A Division JP4734827B2 (ja) 2003-11-28 2003-11-28 投写光学ユニット

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2011216012A Division JP2012018418A (ja) 2011-09-30 2011-09-30 投写光学ユニット

Publications (2)

Publication Number Publication Date
JP2011081415A true JP2011081415A (ja) 2011-04-21
JP2011081415A5 JP2011081415A5 (https=) 2011-07-14

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ID=44075450

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010289130A Pending JP2011081415A (ja) 2010-12-27 2010-12-27 投写光学ユニット

Country Status (1)

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JP (1) JP2011081415A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10473902B2 (en) * 2016-06-01 2019-11-12 Seiko Epson Corporation Projection system and projection-type image display apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002021851A2 (en) * 2000-09-07 2002-03-14 Actuality Systems, Inc. Volumetric display system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002021851A2 (en) * 2000-09-07 2002-03-14 Actuality Systems, Inc. Volumetric display system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10473902B2 (en) * 2016-06-01 2019-11-12 Seiko Epson Corporation Projection system and projection-type image display apparatus

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