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Assignee: Datalogic S.p.A.


Location: IT
No. of patents: 14

NumberTitleIssue Date
7195162Optical reading apparatus
An automatic optical reading apparatus (1) having a light emitting section (26), a light receiving section (27) and an outside interface section (36). A first unit (2) houses at least one of the emitting section (26) and the...
03/27/2007
6871785Method and device for compensating undesired variations in an electrical signal generated by an optical code reader
The method for compensating undesired variations in an electrical signal generated by a sensor of an optical code reader comprises the steps of generating an envelope signal starting from the electrical signal generated by the sensor and normalizing the electrical s...
03/29/2005
6742710Method of reconstructing successive scans of a bar code
A method of reconstructing successive scans of bar codes having a plurality of dark elements separated from light elements, comprising the steps of: performing a first scan of the bar code thereby determining the position and the width of the elements in the first s...
06/01/2004
6607131Reading method and reader for an optical code
Reading method for an optical code using a reader which comprises photoemitters, photoreceivers and a processor circuit, in which the following steps are carried out: emitting radiation toward the exterior of the reader; detecting the presence of at least...
08/19/2003
6394352Method of reconstructing successive scans of a bar code
A method of reconstructing successive scans of bar codes having a plurality of dark elements separated from light elements, comprising the steps of: performing a first scan of the bar code thereby determining the position and the width of the elements in ...
05/28/2002
6347740Method and machine for reading and assigning optical codes
A method and machine for reading and assigning optical codes to a succession of moving articles, each having at least one respective optical code, and the method including the steps of feeding the succession of articles, by means of a conveyor, through a ...
02/19/2002
6219434Maxicode locating method
A method of locating an optical code of the maxicode type wherein a central target element comprises three concentric black rings separated by two white annular spaces and a white circular central space defining the center of the target element. The metho...
04/17/2001
6215280Portable optical code reader with a device for controlling the charge state of the reader battery
A portable optical code reader, in particular for bar codes, having at least one supply battery; an electronic circuit with a microprocessor; and optoelectronic lighting and receiving devices cooperating with the microprocessor to read an optical code, in...
04/10/2001
6129280Optical code reading method and device
The reading method includes the step of successively performing a first and at least a second scan of an optical code along a first and, respectively, second scanning line parallel to each other. More specifically, the first and second scan of the optical...
10/10/2000
6116508Portable code reading and cursor pointing
A portable code reading device, in particular for reading optical codes, wherein a hand-held casing supports an electronic viewing device for generating signals related to the image of an examined optical code, and an electronic circuit cooperating with t...
09/12/2000
6102292Method of compensating the edge positions of a signal generated by scanning a bar code
A method of compensating the edge positions of a signal generated by scanning elements of a bar code, the method including the steps of lighting the code and determining the light diffused by the code to generate in response a signal having a substantiall...
08/15/2000
6098883Method of estimating the mid-points of bar code elements
A method of estimating the mid-points of elements of a bar code, wherein the code is illuminated, and the light diffused by the code is picked up to generate in response a signal having a substantially alternating waveform profile defined by high-amplitud...
08/08/2000
6047893Method of locating an object-applied optical code
A method wherein an image of an object bearing an optical code is divided into a number of elementary images for which a brightness gradient vector is calculated. The calculated gradients of a magnitude above a given threshold value (Glim) are transformed...
04/11/2000
6000618Method of reading an object-applied bar code
A method whereby the image of a bar code is located in a digitized image of an object traveling along a conveyor belt; the orientation of the longitudinal axis of the code with respect to a reference system of the image is determined, and the code is scan...
12/14/1999
 
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