US Patent No: 7,490,774

Number of patents in Portfolio can not be more than 2000

Hand-supportable imaging based bar code symbol reader employing automatic light exposure measurement and illumination control subsystem integrated therein

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Abstract

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A hand-supportable digital imaging-based bar code symbol reading device comprises: an IR-based object presence and range detection subsystem; a area-type image formation and detection subsystem having an image capture modes of operation; a multi-mode led-based illumination subsystem for providing a narrow-band field of illumination; an automatic light exposure measurement and illumination control subsystem; an image capturing and buffering subsystem; a image-processing bar code symbol reading subsystem; an input/output subsystem; and a system control subsystem integrated with each of the above-described subsystems. The automatic light exposure measurement and illumination control subsystem has a light collecting element and a photodiode arranged within the hand-supportable housing, wherein incident illumination is collected from the predetermined portion of the FOV using the light collecting element, and then focused upon the photodiode for detection of the intensity of incident illumination and subsequent processing by the automatic light exposure measurement and illumination control subsystem.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
METROLOGIC INSTRUMENTS, INC.BLACKWOOD, NJ354

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amundsen, Thomas Turnersville , US 148 2568
Au, Ka Man Philadelphia , US 144 2716
Bonanno, John Woodbury , US 46 991
Byun, Sung Cherry Hill , US 50 1044
Ghosh, Sankar Boothwyn , US 86 1621
Hou, Rui Suzhou , CN 68 1051
Knowles, C Harry Moorestown, US 239 4890
Kotlarsky, Anatoly Holland , US 139 2290
Liu, Liang Suzhou , CN 553 4954
Liu, Yong Suzhou , CN 496 4112
Russell, Garrett Wilmington , US 95 2153
Schmidt, Mark Williamstown , US 153 2041
Schnee, Michael Aston , US 50 1265
Spatafore, Pasqual Marlton, US 35 872
Tao, Xi Suzhou , CN 73 1330
Yu, Hongpeng Tianjin , CN 42 981
Zhang, Wenhua Suzhou , CN 58 999
Zhu, Xiaoxun Marlton , US 290 4970

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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5,304,787 Locating 2-D bar codes 245 1993
5,495,097 Plurality of scan units with scan stitching 333 1993
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5,484,994 Optical scanning head with improved resolution 211 1993
5,396,054 Bar code reader using scanned memory array 279 1994
5,635,697 Method and apparatus for decoding two-dimensional bar code 262 1994
5,550,366 Optical scanner with automatic activation 245 1994
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DATALOGIC SCANNING, INC. (1)
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Metrologic Instruments, Inc. (9)
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6,177,926 Hand-held computer having input screen and means for preventing inadvertent actuation of keys 179 1997
6,367,699 Method and apparatus for utilizing specular light to image low contrast symbols 186 1998
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6,497,368 Portable data collection 257 1999
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VLSI Vision Limited (1)
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Hand Held Products, Inc. (53)
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6,655,595 Bar code reader configured to read fine print bar code symbols 189 2001
6,550,679 Image sensor mounting system 178 2001
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6,722,569 Optical reader having a color imager 268 2001
D458265 Hand held optical reader 86 2001
6,947,612 Methods and apparatus for image capture and decoding in a centralized processing unit 143 2001
6,561,428 Imaging device having indicia-controlled image parsing mode 240 2001
6,752,319 Lottery game tickets and methods for making same 143 2001
6,659,350 Adjustable illumination system for a barcode scanner 159 2002
6,832,725 Optical reader comprising multiple color illumination 276 2002
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6,834,807 Optical reader having a color imager 219 2003
6,959,865 Customizable optical reader 157 2003
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SYMBOL TECHNOLOGIES, LLC (23)
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* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
9,355,288 Image capture and processing system supporting a multi-tier modular software architecture 0 2014
 
COGNEX TECHNOLOGY AND INVESTMENT LLC (14)
7,823,783 Light pipe illumination system and method 16 2003
7,823,789 Low profile illumination for direct part mark readers 16 2004
7,874,487 Integrated illumination assembly for symbology reader 10 2005
8,061,613 Method and apparatus for providing omnidirectional lighting in a scanning device 9 2009
8,286,878 Hand held symbology reader illumination diffuser 9 2009
* 2010/0020,539 Hand Held Symbology Reader Illumination Diffuser 2 2009
8,672,227 Low profile illumination for direct part mark readers 3 2010
8,061,614 Light pipe illumination system and method 9 2010
8,342,405 Light pipe illumination system and method 0 2011
8,282,000 Method and apparatus for providing omnidirectional lighting in a scanning device 0 2011
9,070,031 Integrated illumination assembly for symbology reader 0 2011
9,361,495 Hand held symbology reader illumination diffuser 0 2012
8,770,483 Light pipe illumination system and method 0 2012
8,740,078 Method and apparatus for providing omnidirectional lighting in a scanning device 0 2012
 
Honeywell Scanning & Mobility (1)
8,678,286 Method and apparatus for reading optical indicia using a plurality of data sources 28 2012
 
MEDIATEK INC. (2)
8,033,469 Apparatus for performing multimedia-based data transmission and associated method 0 2009
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Metrologic Instruments, Inc. (4)
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9,305,201 Symbol reading system with integrated scale base 0 2014
 
COGNEX CORPORATION (4)
8,434,686 Swipe scanner employing a vision system 0 2011
9,292,724 Hand held symbology reader illumination diffuser with aimer optics 0 2013
9,298,960 Method and apparatus for providing omnidirectional lighting in a scanning device 0 2014
9,329,332 Light pipe illumination system and method 0 2014
 
HONEYWELL INTERNATIONAL INC. (2)
9,033,240 Method and apparatus for reading optical indicia using a plurality of data sources 3 2014
9,355,294 Method and apparatus for reading optical indicia using a plurality of data sources 0 2015
 
SYMBOL TECHNOLOGIES, INC. (1)
* 2008/0037,080 Illumination arrangement for an imager 0 2006
* Cited By Examiner

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