CN2733392Y - 背投电视投影组合镜头 - Google Patents
背投电视投影组合镜头 Download PDFInfo
- Publication number
- CN2733392Y CN2733392Y CN 200420011040 CN200420011040U CN2733392Y CN 2733392 Y CN2733392 Y CN 2733392Y CN 200420011040 CN200420011040 CN 200420011040 CN 200420011040 U CN200420011040 U CN 200420011040U CN 2733392 Y CN2733392 Y CN 2733392Y
- Authority
- CN
- China
- Prior art keywords
- lens
- projection
- airspace
- thickness
- single negative
- 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 - Lifetime
Links
Images
Landscapes
- Lenses (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420011040 CN2733392Y (zh) | 2004-06-15 | 2004-06-15 | 背投电视投影组合镜头 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420011040 CN2733392Y (zh) | 2004-06-15 | 2004-06-15 | 背投电视投影组合镜头 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2733392Y true CN2733392Y (zh) | 2005-10-12 |
Family
ID=35069232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200420011040 Expired - Lifetime CN2733392Y (zh) | 2004-06-15 | 2004-06-15 | 背投电视投影组合镜头 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2733392Y (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100406951C (zh) * | 2006-09-11 | 2008-07-30 | 中国科学院上海技术物理研究所 | 一种用于紫外探测器的大相对孔径宽波段紫外物镜 |
CN101604062B (zh) * | 2009-06-02 | 2011-11-30 | 福建福光数码科技有限公司 | 全透射式空间目标探测镜头 |
CN116299962A (zh) * | 2022-12-25 | 2023-06-23 | 福建福光股份有限公司 | 一种大光圈高均匀度的宽光谱光学系统 |
-
2004
- 2004-06-15 CN CN 200420011040 patent/CN2733392Y/zh not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100406951C (zh) * | 2006-09-11 | 2008-07-30 | 中国科学院上海技术物理研究所 | 一种用于紫外探测器的大相对孔径宽波段紫外物镜 |
CN101604062B (zh) * | 2009-06-02 | 2011-11-30 | 福建福光数码科技有限公司 | 全透射式空间目标探测镜头 |
CN116299962A (zh) * | 2022-12-25 | 2023-06-23 | 福建福光股份有限公司 | 一种大光圈高均匀度的宽光谱光学系统 |
CN116299962B (zh) * | 2022-12-25 | 2024-04-05 | 福建福光股份有限公司 | 一种大光圈高均匀度的宽光谱光学系统 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107422458B (zh) | 一种低f数的l型短焦全高清投影镜头 | |
CN109001895B (zh) | 一种小型高清超短焦投影镜头 | |
CN110618524B (zh) | 定焦镜头及成像系统 | |
CN105700117A (zh) | 一种光学成像系统 | |
CN206270646U (zh) | 720°全景摄像系统 | |
CN209028284U (zh) | 一种百万超广角镜头 | |
CN114609755A (zh) | 一种大视场高成像稳定性相机的光学系统及其工作方法 | |
CN213843661U (zh) | 一种高分辨率低畸变光学镜头 | |
CN111580247B (zh) | 一种整体调焦高清微投投射镜头 | |
CN2733392Y (zh) | 背投电视投影组合镜头 | |
CN209879123U (zh) | 大视野双远心光学系统 | |
CN112612123A (zh) | 一种大孔径全玻广角鱼眼镜头及其工作方法 | |
CN217443628U (zh) | 大视场高成像稳定性相机的光学系统 | |
CN217467325U (zh) | 扫描镜头 | |
CN2765205Y (zh) | 复合透镜结构的高像质微型光学镜头 | |
CN2733391Y (zh) | 背投电视投影镜头 | |
CN211857038U (zh) | 一种高解析力的工业镜头 | |
CN210348043U (zh) | 一种低畸变线扫镜头 | |
CN211603687U (zh) | 一种高倍率宽工作距离线扫镜头 | |
CN211293430U (zh) | 一种光学成像镜头 | |
CN109946819B (zh) | 一种用于监控的光学系统 | |
CN208705558U (zh) | 一种星光级大光圈日夜共焦的光学镜头 | |
CN105467561A (zh) | 一种大广角大通光高清定焦镜头 | |
CN112505879B (zh) | 一种宽视场长焦距高分辨率镜头 | |
CN208780894U (zh) | 一种高清广角无人机镜头 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LIDA PHOTOELECTRIC CO., LTD. Free format text: FORMER OWNER: HENAN OPTICAL GROUP CO., LTD. Effective date: 20070907 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20070907 Address after: 473000 No. 508 Industrial South Road, Henan, Nanyang Patentee after: Lida Optical and Electronic Co., Ltd. Address before: 473000 Henan Nanyang Optical Group Co., Ltd. 254 Zhongzhou Road, Henan, China Patentee before: Henan Costar Group Co., Ltd. |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20140615 Granted publication date: 20051012 |