Vorrichtung zum optischen Lesen von Codes
There is provided a device for reading a code on a subject. The device includes an imaging unit provided with an imaging element, a depth-of-field extending unit, and an optical distorting unit. The imaging unit captures an optical image formed on a light-receiving surface of the subject. The depth-...
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| creator | Ito, Kunihiko Tsukada, Toshihiko Toyoda, Chie Kato, Satoru Kitazumi, Yoshimi |
| description | There is provided a device for reading a code on a subject. The device includes an imaging unit provided with an imaging element, a depth-of-field extending unit, and an optical distorting unit. The imaging unit captures an optical image formed on a light-receiving surface of the subject. The depth-of-field extending unit acquires a focused image regardless of distance to the subject, within a predetermined read-out range. In the optical distorting unit, the captured optical image is distorted such that i) the focused image at a minimum distance in the read-out range includes an overall image of the code and ii) the focused image at a maximum distance in the read-out range is provided so as to allow at least a predetermined number of pixels to be assigned to a unit image of the code. |
| format | Patent |
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The device includes an imaging unit provided with an imaging element, a depth-of-field extending unit, and an optical distorting unit. The imaging unit captures an optical image formed on a light-receiving surface of the subject. The depth-of-field extending unit acquires a focused image regardless of distance to the subject, within a predetermined read-out range. 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In the optical distorting unit, the captured optical image is distorted such that i) the focused image at a minimum distance in the read-out range includes an overall image of the code and ii) the focused image at a maximum distance in the read-out range is provided so as to allow at least a predetermined number of pixels to be assigned to a unit image of the code.</description><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>HANDLING RECORD CARRIERS</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><subject>PRESENTATION OF DATA</subject><subject>RECOGNITION OF DATA</subject><subject>RECORD CARRIERS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAMyy8qykzOKCnNS1eoKs1VyC8oySxOzkjNU_BJLQaSZfl5Cs75KanFPAysaYk5xam8UJqbQdXNNcTZQze1ID8-tbggMTk1L7Uk3sXV0MDIwNAESJqYWjhZGBOrDgBH4Sou</recordid><startdate>20210805</startdate><enddate>20210805</enddate><creator>Ito, Kunihiko</creator><creator>Tsukada, Toshihiko</creator><creator>Toyoda, Chie</creator><creator>Kato, Satoru</creator><creator>Kitazumi, Yoshimi</creator><scope>EVB</scope></search><sort><creationdate>20210805</creationdate><title>Vorrichtung zum optischen Lesen von Codes</title><author>Ito, Kunihiko ; Tsukada, Toshihiko ; Toyoda, Chie ; Kato, Satoru ; Kitazumi, Yoshimi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DE102014102458B83</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>ger</language><creationdate>2021</creationdate><topic>CALCULATING</topic><topic>COMPUTING</topic><topic>COUNTING</topic><topic>HANDLING RECORD CARRIERS</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><topic>PRESENTATION OF DATA</topic><topic>RECOGNITION OF DATA</topic><topic>RECORD CARRIERS</topic><toplevel>online_resources</toplevel><creatorcontrib>Ito, Kunihiko</creatorcontrib><creatorcontrib>Tsukada, Toshihiko</creatorcontrib><creatorcontrib>Toyoda, Chie</creatorcontrib><creatorcontrib>Kato, Satoru</creatorcontrib><creatorcontrib>Kitazumi, Yoshimi</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Ito, Kunihiko</au><au>Tsukada, Toshihiko</au><au>Toyoda, Chie</au><au>Kato, Satoru</au><au>Kitazumi, Yoshimi</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Vorrichtung zum optischen Lesen von Codes</title><date>2021-08-05</date><risdate>2021</risdate><abstract>There is provided a device for reading a code on a subject. The device includes an imaging unit provided with an imaging element, a depth-of-field extending unit, and an optical distorting unit. The imaging unit captures an optical image formed on a light-receiving surface of the subject. The depth-of-field extending unit acquires a focused image regardless of distance to the subject, within a predetermined read-out range. In the optical distorting unit, the captured optical image is distorted such that i) the focused image at a minimum distance in the read-out range includes an overall image of the code and ii) the focused image at a maximum distance in the read-out range is provided so as to allow at least a predetermined number of pixels to be assigned to a unit image of the code.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING HANDLING RECORD CARRIERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS |
| title | Vorrichtung zum optischen Lesen von Codes |
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