TWM370897U - Tetra-mirror multi-reflection scanning module - Google Patents
Tetra-mirror multi-reflection scanning moduleInfo
- Publication number
- TWM370897U TWM370897U TW98211865U TW98211865U TWM370897U TW M370897 U TWM370897 U TW M370897U TW 98211865 U TW98211865 U TW 98211865U TW 98211865 U TW98211865 U TW 98211865U TW M370897 U TWM370897 U TW M370897U
- Authority
- TW
- Taiwan
- Prior art keywords
- scanning module
- reflecting mirrors
- tetra
- optical path
- reflection
- Prior art date
Links
Landscapes
- Lenses (AREA)
Abstract
The present invention discloses an image scanning module having four reflecting mirrors, the image scanning module comprises at least one source, four reflection mirrors, a pickup lens, an image sensor and a frame, wherein at least one of reflection mirror can reflect image beam to change the optical path in twice or more, satisfies the specific optical conditions. The TTL (total tracking length) can only be adjusted through the arrangement of the distance of the four reflecting mirrors and will not need to adjust through the angle of the four reflecting mirrors. Accordingly, the benefit of present invention not only increases the field of depth by increasing the total length of optical path in the limited space, but also be convenient to assemble respectively to different tracking length.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW98211865U TWM370897U (en) | 2009-06-30 | 2009-06-30 | Tetra-mirror multi-reflection scanning module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW98211865U TWM370897U (en) | 2009-06-30 | 2009-06-30 | Tetra-mirror multi-reflection scanning module |
Publications (1)
Publication Number | Publication Date |
---|---|
TWM370897U true TWM370897U (en) | 2009-12-11 |
Family
ID=44392455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW98211865U TWM370897U (en) | 2009-06-30 | 2009-06-30 | Tetra-mirror multi-reflection scanning module |
Country Status (1)
Country | Link |
---|---|
TW (1) | TWM370897U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10003718B2 (en) | 2014-12-15 | 2018-06-19 | Avision Inc. | Scanning device with overhead reflecting mirror |
-
2009
- 2009-06-30 TW TW98211865U patent/TWM370897U/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10003718B2 (en) | 2014-12-15 | 2018-06-19 | Avision Inc. | Scanning device with overhead reflecting mirror |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4K | Annulment or lapse of a utility model due to non-payment of fees |