CN2658785Y - 一种背投影屏幕 - Google Patents
一种背投影屏幕 Download PDFInfo
- Publication number
- CN2658785Y CN2658785Y CN 03263057 CN03263057U CN2658785Y CN 2658785 Y CN2658785 Y CN 2658785Y CN 03263057 CN03263057 CN 03263057 CN 03263057 U CN03263057 U CN 03263057U CN 2658785 Y CN2658785 Y CN 2658785Y
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- layer
- complex
- projection screen
- rear projection
- light path
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 03263057 CN2658785Y (zh) | 2003-09-29 | 2003-09-29 | 一种背投影屏幕 |
Applications Claiming Priority (1)
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CN 03263057 CN2658785Y (zh) | 2003-09-29 | 2003-09-29 | 一种背投影屏幕 |
Publications (1)
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CN2658785Y true CN2658785Y (zh) | 2004-11-24 |
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CN 03263057 Expired - Fee Related CN2658785Y (zh) | 2003-09-29 | 2003-09-29 | 一种背投影屏幕 |
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CN (1) | CN2658785Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1321332C (zh) * | 2005-04-30 | 2007-06-13 | 霍永峰 | 柱面镜组元及制作方法、背投影屏幕和背投影电视 |
CN108916822A (zh) * | 2018-07-09 | 2018-11-30 | 上海彩丞新材料科技有限公司 | 一种具有微结构的薄膜光学透镜、设计方法及照明装置 |
-
2003
- 2003-09-29 CN CN 03263057 patent/CN2658785Y/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1321332C (zh) * | 2005-04-30 | 2007-06-13 | 霍永峰 | 柱面镜组元及制作方法、背投影屏幕和背投影电视 |
CN108916822A (zh) * | 2018-07-09 | 2018-11-30 | 上海彩丞新材料科技有限公司 | 一种具有微结构的薄膜光学透镜、设计方法及照明装置 |
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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: GUANGDONG VTRON VIDEO TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WEICHUANG RIXIN ELECTRONIC CO., LTD., GUANGDONG Effective date: 20080118 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080118 Address after: No. 6, color frequency Road, hi tech Industrial Development Zone, Guangdong, Guangzhou Province: 510663 Patentee after: Guangdong Weichuangshixun Science and Technology Co., Ltd. Address before: Comprehensive building, Cai Cai Road Software Park, Guangzhou Science Development Zone, Guangdong, 301, postcode: 510730 Patentee before: Weichuangrixin Electronic Co., Ltd., Guangdong |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041124 Termination date: 20120929 |