KR940006207U - 줌렌즈(zoom lens)부착 투사장치 - Google Patents
줌렌즈(zoom lens)부착 투사장치Info
- Publication number
- KR940006207U KR940006207U KR2019920015863U KR920015863U KR940006207U KR 940006207 U KR940006207 U KR 940006207U KR 2019920015863 U KR2019920015863 U KR 2019920015863U KR 920015863 U KR920015863 U KR 920015863U KR 940006207 U KR940006207 U KR 940006207U
- Authority
- KR
- South Korea
- Prior art keywords
- zoom lens
- projection device
- projection
- zoom
- lens
- Prior art date
Links
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
- G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
-
- 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
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0046—Movement of one or more optical elements for zooming
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR92015863U KR950008482Y1 (ko) | 1992-08-24 | 1992-08-24 | 줌렌즈(zoom lens)부착 투사장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR92015863U KR950008482Y1 (ko) | 1992-08-24 | 1992-08-24 | 줌렌즈(zoom lens)부착 투사장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940006207U true KR940006207U (ko) | 1994-03-22 |
KR950008482Y1 KR950008482Y1 (ko) | 1995-10-11 |
Family
ID=19338883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR92015863U KR950008482Y1 (ko) | 1992-08-24 | 1992-08-24 | 줌렌즈(zoom lens)부착 투사장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR950008482Y1 (ko) |
-
1992
- 1992-08-24 KR KR92015863U patent/KR950008482Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR950008482Y1 (ko) | 1995-10-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
LAPS | Lapse due to unpaid annual fee |