KR100243150B1 - 프로젝터의광축조정가변형투사렌즈장치 - Google Patents
프로젝터의광축조정가변형투사렌즈장치 Download PDFInfo
- Publication number
- KR100243150B1 KR100243150B1 KR1019970059411A KR19970059411A KR100243150B1 KR 100243150 B1 KR100243150 B1 KR 100243150B1 KR 1019970059411 A KR1019970059411 A KR 1019970059411A KR 19970059411 A KR19970059411 A KR 19970059411A KR 100243150 B1 KR100243150 B1 KR 100243150B1
- Authority
- KR
- South Korea
- Prior art keywords
- projection lens
- housing
- image
- lens system
- bracket
- 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.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/145—Housing details, e.g. position adjustments thereof
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2046—Positional adjustment of light sources
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/28—Reflectors in projection beam
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Projection Apparatus (AREA)
Abstract
Description
Claims (4)
- 영상생성부에 의해 생성된 영상을 투과시키는 제1투사렌즈계(110)가 설치된 고정하우징(100);상기 고정하우징(100)의 일측에 회동 가능하게 힌지결합된 브라켓하우징(200);상기 브라켓하우징(200)의 내부에 설치되어 입사하는 영상을 확대 투사시키는 제2투사렌즈계(210); 및상기 고정하우징(100)에 회동 가능하게 설치되어, 상기 제1투사렌즈계(110)를 투과한 영상을 상기 제2투사렌즈계(210)로 반사시키는 반사수단(150);을 구비하는 것을 특징으로 하는 프로젝터의 광축조정 가변형 투사렌즈장치.
- 제1항에 있어서,상기 브라켓하우징(200)에는, 상기 힌지축과 동심 반경을 이루는 부채꼴 형상의 가이드홈(234)이 형성되고,상기 고정하우징(100)에는, 상기 가이드홈(234)을 관통한 위치고정나사(235)가 나사결합 할 수 있는 나사홀(134)이 형성되어서,상기 브라켓하우징(200)이 상기 고정하우징(100)에 소정각도로 회동된 위치에서 위치고정나사(230)를 조이는 것에 의해 상기 브라켓하우징(200)이 상기 고정하우징(100)에 대해 위치 고정되는 것을 특징으로 하는 프로젝터의 광축조정 가변형 투사렌즈장치.
- 제1항에 있어서, 상기 고정하우징에는,상기 반사수단의 회동각도를 외부에서 가변적으로 조절하도록 회동가변수단이 설치된 것을 특징으로 하는 프로젝터의 광축조정 가변형 프로젝터.
- 제3항에 있어서,상기 반사수단은, 상기 고정하우징의 내부에 상기 브라켓하우징의 회동 방향과 동일한 방향으로 회동 가능하게 설치되는 부착판과, 상기 부착판에 부착되는 반사미러를 포함하고,상기 회동가변수단은, 상기 고정하우징의 외부로 노출되며 상기 부착판의 일측단부에 위치한 회전축과 결합되어 그 부착판을 회동시키는 노브와, 상기 노브의 외주면에 형성된 다수의 기어와, 탄성 바이어스되어 상기 기어에 결합되는 하는 돌기를 포함하여 된 것을 특징으로 하는 프로젝터의 광축조정 가변형 프로젝터.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970059411A KR100243150B1 (ko) | 1997-11-12 | 1997-11-12 | 프로젝터의광축조정가변형투사렌즈장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970059411A KR100243150B1 (ko) | 1997-11-12 | 1997-11-12 | 프로젝터의광축조정가변형투사렌즈장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990039354A KR19990039354A (ko) | 1999-06-05 |
KR100243150B1 true KR100243150B1 (ko) | 2000-03-02 |
Family
ID=19524567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970059411A Expired - Fee Related KR100243150B1 (ko) | 1997-11-12 | 1997-11-12 | 프로젝터의광축조정가변형투사렌즈장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100243150B1 (ko) |
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1997
- 1997-11-12 KR KR1019970059411A patent/KR100243150B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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KR19990039354A (ko) | 1999-06-05 |
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