KR940018535U - 투사기의 조명계 - Google Patents
투사기의 조명계Info
- Publication number
- KR940018535U KR940018535U KR2019920025512U KR920025512U KR940018535U KR 940018535 U KR940018535 U KR 940018535U KR 2019920025512 U KR2019920025512 U KR 2019920025512U KR 920025512 U KR920025512 U KR 920025512U KR 940018535 U KR940018535 U KR 940018535U
- Authority
- KR
- South Korea
- Prior art keywords
- projector
- illumination system
- illumination
- Prior art date
Links
- 238000005286 illumination Methods 0.000 title 1
Classifications
-
- 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
- H04N9/315—Modulator illumination systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0875—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
-
- 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
-
- 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]
- H04N9/3179—Video signal processing therefor
- H04N9/3185—Geometric adjustment, e.g. keystone or convergence
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR92025512U KR0118688Y1 (ko) | 1992-12-15 | 1992-12-15 | 투사기의 조명계 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR92025512U KR0118688Y1 (ko) | 1992-12-15 | 1992-12-15 | 투사기의 조명계 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940018535U true KR940018535U (ko) | 1994-07-30 |
KR0118688Y1 KR0118688Y1 (ko) | 1998-07-15 |
Family
ID=19346668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR92025512U KR0118688Y1 (ko) | 1992-12-15 | 1992-12-15 | 투사기의 조명계 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0118688Y1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7401930B2 (en) | 2004-06-15 | 2008-07-22 | Samsung Electronics Co., Ltd. | Projection system |
-
1992
- 1992-12-15 KR KR92025512U patent/KR0118688Y1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7401930B2 (en) | 2004-06-15 | 2008-07-22 | Samsung Electronics Co., Ltd. | Projection system |
Also Published As
Publication number | Publication date |
---|---|
KR0118688Y1 (ko) | 1998-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 20041221 Year of fee payment: 8 |
|
LAPS | Lapse due to unpaid annual fee |