JPS61292112A - 結像補正装置 - Google Patents
結像補正装置Info
- Publication number
- JPS61292112A JPS61292112A JP13461185A JP13461185A JPS61292112A JP S61292112 A JPS61292112 A JP S61292112A JP 13461185 A JP13461185 A JP 13461185A JP 13461185 A JP13461185 A JP 13461185A JP S61292112 A JPS61292112 A JP S61292112A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- spacer member
- projection lens
- temperature
- lens holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 125000006850 spacer group Chemical group 0.000 claims abstract description 27
- 238000003384 imaging method Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000002861 polymer material Substances 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 238000003702 image correction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Focusing (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
- Automatic Focus Adjustment (AREA)
- Transforming Electric Information Into Light Information (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13461185A JPS61292112A (ja) | 1985-06-20 | 1985-06-20 | 結像補正装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13461185A JPS61292112A (ja) | 1985-06-20 | 1985-06-20 | 結像補正装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61292112A true JPS61292112A (ja) | 1986-12-22 |
JPH0528806B2 JPH0528806B2 (enrdf_load_stackoverflow) | 1993-04-27 |
Family
ID=15132440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13461185A Granted JPS61292112A (ja) | 1985-06-20 | 1985-06-20 | 結像補正装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61292112A (enrdf_load_stackoverflow) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6104554A (en) * | 1999-05-06 | 2000-08-15 | U.S. Precision Lens | Projection television lens assembly |
DE102006046416B4 (de) * | 2005-10-04 | 2009-03-12 | Carl Zeiss Ag | Vorrichtung zur Temperaturkompensation eines optischen Systems |
JP2013097233A (ja) * | 2011-11-02 | 2013-05-20 | Casio Comput Co Ltd | 光学装置、光学装置の組み立て方法、及び、この光学装置を備えたプロジェクタ |
JP2013097326A (ja) * | 2011-11-04 | 2013-05-20 | Ricoh Co Ltd | 画像表示装置 |
US8922883B2 (en) | 2012-11-05 | 2014-12-30 | Ricoh Company, Ltd. | Magnification optical system |
DE102016105476B4 (de) | 2015-04-01 | 2024-01-25 | Sensors Unlimited, Inc. | Linsensystem und verfahren zur passiven athermalisierung |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5781219A (en) * | 1980-11-07 | 1982-05-21 | Mitsubishi Electric Corp | Focus adjusting mechanism of camera |
-
1985
- 1985-06-20 JP JP13461185A patent/JPS61292112A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5781219A (en) * | 1980-11-07 | 1982-05-21 | Mitsubishi Electric Corp | Focus adjusting mechanism of camera |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6104554A (en) * | 1999-05-06 | 2000-08-15 | U.S. Precision Lens | Projection television lens assembly |
DE102006046416B4 (de) * | 2005-10-04 | 2009-03-12 | Carl Zeiss Ag | Vorrichtung zur Temperaturkompensation eines optischen Systems |
JP2013097233A (ja) * | 2011-11-02 | 2013-05-20 | Casio Comput Co Ltd | 光学装置、光学装置の組み立て方法、及び、この光学装置を備えたプロジェクタ |
JP2013097326A (ja) * | 2011-11-04 | 2013-05-20 | Ricoh Co Ltd | 画像表示装置 |
US10451961B2 (en) | 2011-11-04 | 2019-10-22 | Ricoh Company, Ltd. | Focus adjustment system for an image display device |
US8922883B2 (en) | 2012-11-05 | 2014-12-30 | Ricoh Company, Ltd. | Magnification optical system |
US9046674B2 (en) | 2012-11-05 | 2015-06-02 | Ricoh Company, Ltd. | Magnification optical system |
US9348121B2 (en) | 2012-11-05 | 2016-05-24 | Ricoh Company, Ltd. | Magnification optical system |
DE102016105476B4 (de) | 2015-04-01 | 2024-01-25 | Sensors Unlimited, Inc. | Linsensystem und verfahren zur passiven athermalisierung |
Also Published As
Publication number | Publication date |
---|---|
JPH0528806B2 (enrdf_load_stackoverflow) | 1993-04-27 |
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