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Class Information
Number: 235/462.22
Name: Registers > Coded record sensors > Particular sensor structure > Optical > Bar code > Extended reader working range (e.g., multiple focal planes)
Description: Subject matter including means to read a bar code at a wide range of different distances from the reader.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7624926 |
Method of automatically reading code symbols on objects present within the field of view (FOV) of a hand-supportable digital-imaging based code symbol reader, by simultaneously projecting an i |
Dec. 1, 2009 |
| 7578445 |
Automatic POS-based digital image capturing and processing system employing object motion controlled area-type illumination and imaging operations |
Aug. 25, 2009 |
| 7562825 |
Method and apparatus for optically reading information attached to a target |
Jul. 21, 2009 |
| 7549582 |
Method and apparatus for adjusting focus in a symbology reader |
Jun. 23, 2009 |
| 7516898 |
Digital image capturing and processing system for producing and projecting a complex of coplanar illumination and imaging planes into a 3D imaging volume and controlling illumination control p |
Apr. 14, 2009 |
| 7513428 |
Planar laser illumination and imaging device employing laser current modulation to generate spectral components and reduce temporal coherence of laser beam, so as to achieve a reduction in spe |
Apr. 7, 2009 |
| 7494065 |
Optical code reader system and method for control of illumination for aiming and exposure |
Feb. 24, 2009 |
| 7487917 |
Automatic digital-imaging based code symbol reading system supporting pass-through and presentation modes of system operation using automatic object direction detection, narrow-area and wide-a |
Feb. 10, 2009 |
| 7478754 |
Axial chromatic aberration auto-focusing system and method |
Jan. 20, 2009 |
| 7472831 |
System for detecting image light intensity reflected off an object in a digital imaging-based bar code symbol reading device |
Jan. 6, 2009 |
| 7416127 |
Range-finding system for a portable image reader |
Aug. 26, 2008 |
| 7407103 |
Bioptical holographic laser scanning system |
Aug. 5, 2008 |
| 7407105 |
Apparatus for diagonal progressive scanning video and method of improving aiming visibility, reducing tilt dependence and improving read range |
Aug. 5, 2008 |
| 7395971 |
Method of and system for profile equalization employing visible laser diode (VLD) displacement |
Jul. 8, 2008 |
| 7385510 |
Container manifest integrity maintenance system and method |
Jun. 10, 2008 |
| 7380721 |
Low-cost compact bar code sensor |
Jun. 3, 2008 |
| 7360706 |
Hand-supportable imaging-based auto-discriminating 1D/2D bar code symbol reader employing a multi-mode image processing bar code symbol reading subsystem having a plurality of modes of operati |
Apr. 22, 2008 |
| 7357325 |
Hand-supportable imaging-based bar code symbol reader employing a CMOS-type image sensor using global exposure techniques |
Apr. 15, 2008 |
| RE40101 |
Electro-optical scanner having selectable scan pattern |
Feb. 26, 2008 |
| 7325738 |
Method of and system for determining the lower limit of decoding resolution in an imaging-based bar code symbol reader |
Feb. 5, 2008 |
| 7320431 |
Digital imaging-based bar code symbol reading system employing a multi-mode illumination subsystem with far-field and near field led-based illumination arrays |
Jan. 22, 2008 |
| 7318552 |
Apparatus for reading codes |
Jan. 15, 2008 |
| 7311261 |
Discrete optical correlation system |
Dec. 25, 2007 |
| 7311260 |
Camera positioning and confirmation feedback system |
Dec. 25, 2007 |
| 7303131 |
Automatic focusing system for imaging-based bar code reader |
Dec. 4, 2007 |
| 7299986 |
Digital imaging-based bar code symbol driven portable data terminal system |
Nov. 27, 2007 |
| 7296749 |
Autofocus barcode scanner and the like employing micro-fluidic lens |
Nov. 20, 2007 |
| 7293714 |
Hand-supportable digital imaging-based bar code symbol reading system automatically processing captured images along parallel virtual scan lines based on the maximum pixel height of the region |
Nov. 13, 2007 |
| 7281661 |
Hand-supportable digital imaging-based bar code symbol reading system employing a method of intelligently illuminating an object so as to generate a digital image thereof which is substantiall |
Oct. 16, 2007 |
| 7278575 |
Hand-supportable image-based bar code symbol reader employing helically-sweeping feature-extraction analysis on a captured digital image of an object referenced from the center thereof |
Oct. 9, 2007 |
| 7273180 |
Hand-supportable imaging-based bar code symbol reader having a multi-mode bar code symbol image processor dynamically reconfigurable in response to real-time image processing operations carrie |
Sep. 25, 2007 |
| 7270272 |
Digital image-based bar code symbol reading system employing a multi-mode image-processing symbol reading subsystem |
Sep. 18, 2007 |
| 7267282 |
Hand-supportable imaging-based bar code symbol reader capable of exposing an automatically detected object to a field of narrow-band LED-based illumination only when substantially all rows of |
Sep. 11, 2007 |
| 7255279 |
Hand-supportable digital imaging-based bar code reading system wherein, during each imaging cycle, a single frame of pixel data is automatically detected by a CMOS area-type image sensing arra |
Aug. 14, 2007 |
| 7252237 |
Code reader |
Aug. 7, 2007 |
| 7243847 |
Digital imaging-based bar code symbol reader employing an LED-based illumination subsystem driven by an automatic light exposure measurement and illumination control subsystem |
Jul. 17, 2007 |
| 7240844 |
Hand-suportable imaging-based bar code symbol reader employing an automatic light exposure measurement and illumination control subsystem for measuring illumination exposure on CMOS image sens |
Jul. 10, 2007 |
| 7237722 |
Hand-supported imaging-based bar code symbol reader employing a multi-mode image-processing based bar code reading subsystem with modular image-processing architecture |
Jul. 3, 2007 |
| 7225988 |
Hand-supportable imaging-based bar code symbol reader employing a tri-mode led-based illumination subsystem |
Jun. 5, 2007 |
| 7222793 |
Arrangement and method of imaging one-dimensional and two-dimensional optical codes at a plurality of focal planes |
May. 29, 2007 |
| 7216810 |
Hand-supportable multi-mode digital imaging-based bar code symbol reader employing an automatic illumination and exposure control subsystem that automatically controls the operation of a multi |
May. 15, 2007 |
| 7213762 |
Hand-supportable imaging-based bar code symbol reader employing a CMOS-type image sensing array in combination with a band-pass optical filter subsystem, narrow-band illumination subsystem, an |
May. 8, 2007 |
| 7210632 |
On-axis control over scanning beam spot size and shape in electro-optical readers |
May. 1, 2007 |
| 7207492 |
Laser scanning bar code symbol reader employing variable passband filter structures having frequency response characteristics controlled by time-measurement of laser-scanned bar code symbol el |
Apr. 24, 2007 |
| 7188770 |
Hand-supportable semi-automatic imaging-based bar code reading system wherein an led-based illumination subsystem automatically illuminates a detected target object in a narrow-area field of i |
Mar. 13, 2007 |
| 7178733 |
Hand-supportable imaging-based bar code symbol reader employing automatic object presence and range detection to control the generation of near-field and far-field wide-area illumination durin |
Feb. 20, 2007 |
| 7128266 |
Hand-supportable digital imaging-based bar code symbol reader supporting narrow-area and wide-area modes of illumination and image capture |
Oct. 31, 2006 |
| 7104451 |
System and method of bar code error detection in large volume mailing |
Sep. 12, 2006 |
| 7104455 |
Planar light illumination and imaging (PLIIM) system employing LED-based planar light illumination arrays (PLIAS) and an area-type image detection array |
Sep. 12, 2006 |
| 7086594 |
Planar light illumination and imaging (PLIIM) systems employing LED-based planar light illumination arrays (PLIAS) and linear electronic image detection arrays |
Aug. 8, 2006 |
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