TWM370897U - Tetra-mirror multi-reflection scanning module - Google Patents

Tetra-mirror multi-reflection scanning module

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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
Application number
TW98211865U
Other languages
Chinese (zh)
Inventor
Ai-Lien Lai
Ching-Yuan Lin
San-Woei Shyu
Original Assignee
E Pin Optical Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by E Pin Optical Industry Co Ltd filed Critical E Pin Optical Industry Co Ltd
Priority to TW98211865U priority Critical patent/TWM370897U/en
Publication of TWM370897U publication Critical patent/TWM370897U/en

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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.
TW98211865U 2009-06-30 2009-06-30 Tetra-mirror multi-reflection scanning module TWM370897U (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10003718B2 (en) 2014-12-15 2018-06-19 Avision Inc. Scanning device with overhead reflecting mirror

Cited By (1)

* Cited by examiner, † Cited by third party
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