CN1707350A - Projector and air filtering device thereof - Google Patents
Projector and air filtering device thereof Download PDFInfo
- Publication number
- CN1707350A CN1707350A CN 200410049241 CN200410049241A CN1707350A CN 1707350 A CN1707350 A CN 1707350A CN 200410049241 CN200410049241 CN 200410049241 CN 200410049241 A CN200410049241 A CN 200410049241A CN 1707350 A CN1707350 A CN 1707350A
- Authority
- CN
- China
- Prior art keywords
- framework
- anchor clamps
- filter screen
- projector
- storage tank
- 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.)
- Granted
Links
- 238000001914 filtration Methods 0.000 title abstract 3
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Abstract
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Claims (16)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100492411A CN100480841C (en) | 2004-06-08 | 2004-06-08 | Projector and air filtering device thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100492411A CN100480841C (en) | 2004-06-08 | 2004-06-08 | Projector and air filtering device thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1707350A true CN1707350A (en) | 2005-12-14 |
CN100480841C CN100480841C (en) | 2009-04-22 |
Family
ID=35581327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100492411A Expired - Fee Related CN100480841C (en) | 2004-06-08 | 2004-06-08 | Projector and air filtering device thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100480841C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021179767A1 (en) * | 2020-03-11 | 2021-09-16 | 深圳光峰科技股份有限公司 | Dust prevention device and projection apparatus |
-
2004
- 2004-06-08 CN CNB2004100492411A patent/CN100480841C/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021179767A1 (en) * | 2020-03-11 | 2021-09-16 | 深圳光峰科技股份有限公司 | Dust prevention device and projection apparatus |
Also Published As
Publication number | Publication date |
---|---|
CN100480841C (en) | 2009-04-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: BENQ MOTOR CO., LTD. Free format text: FORMER OWNER: QISDA TECHNOLOGY CO., LTD. Effective date: 20100115 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: QISDA TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BENQ MOTOR CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: Taoyuan County of Taiwan Province Patentee after: Qisda Corp. Address before: Taoyuan County of Taiwan Province Patentee before: Benq Corp. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20100115 Address after: Tai Wansheng Tai Beishi Patentee after: BENQ Corp. Address before: Tai Wansheng Tao Yuanxian Patentee before: Qisda Corp. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090422 Termination date: 20210608 |
|
CF01 | Termination of patent right due to non-payment of annual fee |