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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ALSO PUBLISHED AS: 20060219792
ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

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, NJ573

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amundsen, Thomas Turnersville, NJ 152 1056
Au, Ka Man Philadelphia, PA 192 789
Bonanno, John Woodbury, NJ 51 225
Byun, Sung Cherry Hill, NJ 54 249
Ghosh, Sankar Boothwyn, PA 96 551
Hou, Rui Suzhou, CN 74 203
Knowles, C Harry Moorestown, NJ 313 2266
Kotlarsky, Anatoly Holland, PA 215 483
Liu, Liang Ningbo, CN 744 2123
Liu, Yong Shenzhen, CN 430 870
Russell, Garrett Wilmington, DE 87 1137
Schmidt, Mark Williamstown, NJ 191 732
Schnee, Michael Aston, PA 53 295
Spatafore, Pasqual Marlton, NJ 37 185
Tao, Xi Suzhou, CN 97 292
Yu, Hongpeng Tianjin, CN 52 198
Zhang, Wenhua Suzhou, CN 63 202
Zhu, Xiaoxun Marlton, NJ 391 1439

Cited Art

Patent Info (Count) # Cites Year
 
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5,479,515 One-dimensional bar code symbology and method of using same 157 1994
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6,298,176 Symbol-controlled image data reading system 237 1997
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6,550,679 Image sensor mounting system 171 2001
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6,722,569 Optical reader having a color imager 209 2001
D458265 Hand held optical reader 78 2001
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6,834,807 Optical reader having a color imager 179 2003
6,959,865 Customizable optical reader 134 2003
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5,484,994 Optical scanning head with improved resolution 195 1993
5,396,054 Bar code reader using scanned memory array 239 1994
5,635,697 Method and apparatus for decoding two-dimensional bar code 240 1994
5,550,366 Optical scanner with automatic activation 218 1994
5,621,203 Method and apparatus for reading two-dimensional bar code symbols with an elongated laser line 268 1994
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5,521,366 Dataform readers having controlled and overlapped exposure integration periods 260 1994
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5,659,167 Visually interactive decoding of dataforms 228 1995
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5,793,033 Portable data collection device with viewing assembly 213 1996
5,811,774 Extended working range dataform reader with reduced power consumption 169 1996
5,717,221 Multiple laser indicia reader optionally utilizing a charge coupled device (CCD) detector and operating method therefor 155 1996
5,834,754 Portable data collection device with viewing assembly 226 1996
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6,062,475 Portable data collection device including color imaging dataform reader assembly 212 1997
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6,123,263 Hand held dataform reader having strobing ultraviolet light illumination assembly for reading fluorescent dataforms 237 1998
6,123,261 Optical scanner and image reader for reading images and decoding optical information including one and two dimensional symbologies at variable depth of field 232 1998
6,250,551 Autodiscrimination and line drawing techniques for code readers 186 1998
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WELCH ALLYN DATA COLLECTION, INC. (48)
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5,286,960 Method of programmable digitization and bar code scanning apparatus employing same 197 1991
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5,294,783 Analog reconstruction circuit and bar code reading apparatus employing same 191 1992
5,319,182 Integrated solid state light emitting and detecting array and apparatus employing said array 174 1992
6,016,135 Bar code reading instrument and selectively orientable graphics display which facilitates the operation of the instrument 123 1993
5,430,285 Illumination system for optical reader 126 1993
5,420,409 Bar code scanner providing aural feedback 193 1993
5,623,137 Illumination apparatus for optical readers 165 1995
5,773,806 Method and apparatus for capturing a decodable representation of a 2D bar code symbol using a hand-held reader having a 1D image sensor 229 1995
5,949,054 Bar code reader for reading high to low contrast bar code symbols 153 1995
5,831,254 Exposure control apparatus for use with optical readers 181 1995
6,473,519 Check reader 149 1996
5,838,495 Image sensor containment system 119 1996
5,773,810 Method for generating real time degree of focus signal for handheld imaging device 240 1996
5,780,834 Imaging and illumination optics assembly 229 1996
5,837,985 Optical imaging assembly having improved image sensor orientation 154 1996
5,825,006 Optical reader having improved autodiscrimination features 244 1996
5,932,862 Optical reader having improved scanning-decoding features 232 1996
5,786,586 Hand-held optical reader having a detachable lens-guide assembly 227 1996
5,992,744 Optical reader having multiple scanning assemblies with simultaneously decoded outputs 207 1997
6,060,722 Optical reader having illumination assembly including improved aiming pattern generator 247 1997
5,949,052 Object sensor system for stationary position optical reader 229 1997
6,298,175 Object sensor system comprising controlled light source 173 1997
5,914,476 Optical reader configured to accurately and rapidly read multiple symbols 209 1997
6,254,003 Optical reader exposure control apparatus comprising illumination level detection circuitry 168 1998
6,045,047 Two-dimensional part reader having a focussing guide 177 1998
6,164,544 Adjustable illumination system for a barcode scanner 176 1998
6,275,388 Image sensor mounting system 157 1998
6,149,063 Method and apparatus for bar code association for wireless network 178 1998
6,161,760 Multiple application multiterminal data collection network 191 1998
6,585,159 Indicia sensor system for optical reader 178 1999
6,370,003 Electrostatic charge resistant instrument system 70 1999
6,547,139 Method and apparatus for extending operating range of bar code scanner 195 2000
6,575,367 Image data binarization methods enabling optical reader to read fine print indicia 155 2000
6,607,128 Optical assembly for barcode scanner 163 2000
6,371,374 Adjustable illumination system for a barcode scanner 184 2000
2004/0094,627 MENU SYMBOL CONTROLLED OPTICAL READER 160 2000
6,601,768 Imaging module for optical reader comprising refractive diffuser 163 2001
D467918 Data collection device 196 2001
D459728 Optical reader device 86 2001
2002/0179,713 Exposure control method for use with optical readers 146 2002
2002/0191,830 Indicia reading device 138 2002
2003/0218,069 Indicia sensor system for optical reader 141 2003
2003/0213,847 Imaging module for optical reader comprising refractive diffuser 142 2003
2003/0209,603 Optical assembly for barcode scanner 133 2003
 
INTERMEC IP CORP. (20)
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6,158,661 Instant portable bar code reader 152 1995
6,064,763 Time-efficient method of analyzing imaged input data to locate two-dimensional machine-readable symbols or other linear images therein 166 1996
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6,177,926 Hand-held computer having input screen and means for preventing inadvertent actuation of keys 166 1997
6,367,699 Method and apparatus for utilizing specular light to image low contrast symbols 182 1998
6,109,526 Optical and passive electromagnetic reader for reading machine-readable symbols, such as bar codes, and reading wireless tags, such as radio frequency tags, and corresponding method 113 1998
6,497,368 Portable data collection 193 1999
6,095,422 Method and apparatus of autodiscriminating in symbol reader employing prioritized and updated table of symbologies 157 1999
6,435,411 Optoelectronic device for acquisition of images, in particular of bar codes 172 1999
6,478,223 Machine-readable color symbology and method and apparatus for reading same with standard readers such as laser scanners 132 2000
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METROLOGIC INSTRUMENTS, INC. (9)
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PSC SCANNING, INC. (5)
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NIPPONDENSO CO., LTD. (4)
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5,786,583 Method and apparatus for locating and decoding machine-readable symbols 137 1996
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SONY CORPORATION (2)
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VLSI VISION LIMITED (1)
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Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
COGNEX TECHNOLOGY AND INVESTMENT CORPORATION (7)
7,823,783 Light pipe illumination system and method 7 2003
7,823,789 Low profile illumination for direct part mark readers 4 2004
8,061,613 Method and apparatus for providing omnidirectional lighting in a scanning device 1 2009
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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
 
COGNEX CORPORATION (1)
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MEDIATEK INC. (1)
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