TW373389B - A kind of visual signal input device and method connectable with computer - Google Patents
A kind of visual signal input device and method connectable with computerInfo
- Publication number
- TW373389B TW373389B TW087114243A TW87114243A TW373389B TW 373389 B TW373389 B TW 373389B TW 087114243 A TW087114243 A TW 087114243A TW 87114243 A TW87114243 A TW 87114243A TW 373389 B TW373389 B TW 373389B
- Authority
- TW
- Taiwan
- Prior art keywords
- input device
- signal input
- static image
- visual signal
- computer
- Prior art date
Links
Abstract
This invention relates to a kind of visual signal input device and method connectable with personal computer, with the application of hardware structure simple lock circuit (PLL) and analogy/digital transform technic and providing 3-dimensional comb shape wave filter of an image field, and by using brightness signal double sampling, to obtain double fineness static image, provided the user to achieve high quality static image, effectively accomplishing the raising of static image quality, and reducing hardware cost and increasing the purpose of production competitiveness.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW087114243A TW373389B (en) | 1998-08-28 | 1998-08-28 | A kind of visual signal input device and method connectable with computer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW087114243A TW373389B (en) | 1998-08-28 | 1998-08-28 | A kind of visual signal input device and method connectable with computer |
Publications (1)
Publication Number | Publication Date |
---|---|
TW373389B true TW373389B (en) | 1999-11-01 |
Family
ID=57941752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW087114243A TW373389B (en) | 1998-08-28 | 1998-08-28 | A kind of visual signal input device and method connectable with computer |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW373389B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7634037B2 (en) | 2005-01-06 | 2009-12-15 | National Sun Yat-Sen University | Digital phase-locked loop circuit and a method thereof |
US7889928B2 (en) | 2005-12-30 | 2011-02-15 | International Business Machines Corporation | Video-based handwriting input |
-
1998
- 1998-08-28 TW TW087114243A patent/TW373389B/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7634037B2 (en) | 2005-01-06 | 2009-12-15 | National Sun Yat-Sen University | Digital phase-locked loop circuit and a method thereof |
US7889928B2 (en) | 2005-12-30 | 2011-02-15 | International Business Machines Corporation | Video-based handwriting input |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |