The present invention is directed to a hand-held scanning device (10) which contacts an object to be scanned (54) only at substantially colinear points, e.g., via a roller (30). This configuration allows the scanning device (10) to scan very close to the edge of an object to be ...
A hand held electronic scanning device (10) has a top portion (90) with an outer configuration which permits the hand of a user to be comfortably positioned thereon at many different locations. The top portion may comprise a cover (34), a housing for the cover being resiliently deflectable...
A hand-held optical scanning device is an optical scanner which is moved across a scanned object, e.g. a page of text, by hand. Optical systems for hand-held scanning devices must generally be very compact due to the relatively small size of hand-held scanning devices. Most hand-held opt...
Hand held scanning device 专利名称：Hand held scanning device 发明人：Dow, James C.,Berg, Thomas E.,Sims, David J.,Henderson, Scott,Stowell, Davin 申请号：EP99305061.6 申请日：19990628 公开号：EP0975142A3 公开日：20010103 专利内容由知识产权出版社提供 专利附图：摘要：A hand held electronic...
Hand held scanning deviceA hand held electronic scanning device that preferably has a front surface provided with abutments so that, when the front surface is laid on a supporting surface, operating buttons on the front surface will not contact the supporting surface and a transparent member ...
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A hand-held step-scanning device with interactive media controls for reading by the blind is developed. It uses an array of identical imaging modules with close focus lenses, all fitted in a chamber for convenient handling to suit panoramic imaging of a book or document. The step-scanning tech...
Hand-held scanning equipment of a train sleeping berth ticket changing system based on an automatic identification technology comprises a central processor. An input terminal of the central processor is connected with a power supply and a keyboard. An output terminal of the central processor is conne...
This paper presents a hand-held 3D scanner without sensor tracking or surface markers. Multiple planes of light are simultaneously projected onto an object surface to provide sufficient surface information to enable surface fitting and fine interpolation between acquired data points. In surface scanning,...
A hand-held device for step-scanning a document, the said device comprising plurality of cascaded and rigidly attached identical imaging modules with close focal lenses in a horn-like chamber with a preferred height covering a part of the document internally illuminated by a set of white diffused...