TW200736808A - Projector automatic focusing method and focusing system - Google Patents
Projector automatic focusing method and focusing systemInfo
- Publication number
- TW200736808A TW200736808A TW095110300A TW95110300A TW200736808A TW 200736808 A TW200736808 A TW 200736808A TW 095110300 A TW095110300 A TW 095110300A TW 95110300 A TW95110300 A TW 95110300A TW 200736808 A TW200736808 A TW 200736808A
- Authority
- TW
- Taiwan
- Prior art keywords
- semi
- lens
- focusing
- reflection
- trasmissive
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 3
- 238000000926 separation method Methods 0.000 abstract 3
Landscapes
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
- Projection Apparatus (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW095110300A TW200736808A (en) | 2006-03-24 | 2006-03-24 | Projector automatic focusing method and focusing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW095110300A TW200736808A (en) | 2006-03-24 | 2006-03-24 | Projector automatic focusing method and focusing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200736808A true TW200736808A (en) | 2007-10-01 |
| TWI306538B TWI306538B (https=) | 2009-02-21 |
Family
ID=45071404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW095110300A TW200736808A (en) | 2006-03-24 | 2006-03-24 | Projector automatic focusing method and focusing system |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TW200736808A (https=) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI406083B (zh) * | 2010-07-09 | 2013-08-21 | Asia Optical Co Inc | Projection device with auto focus function and its auto focus method |
| TWI448808B (zh) * | 2008-01-25 | 2014-08-11 | Chi Mei Comm Systems Inc | 投影機自動對焦系統及方法 |
| CN114827556A (zh) * | 2021-01-22 | 2022-07-29 | 伟诠电子股份有限公司 | 投影机对焦方法及投影机对焦系统 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10192856B2 (en) | 2014-12-30 | 2019-01-29 | Pixart Imaging Inc. | Optical navigation module capable of performing lateral detection and adjusting tracking distance |
-
2006
- 2006-03-24 TW TW095110300A patent/TW200736808A/zh not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI448808B (zh) * | 2008-01-25 | 2014-08-11 | Chi Mei Comm Systems Inc | 投影機自動對焦系統及方法 |
| TWI406083B (zh) * | 2010-07-09 | 2013-08-21 | Asia Optical Co Inc | Projection device with auto focus function and its auto focus method |
| CN114827556A (zh) * | 2021-01-22 | 2022-07-29 | 伟诠电子股份有限公司 | 投影机对焦方法及投影机对焦系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI306538B (https=) | 2009-02-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |