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

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7490774
APP PUB NO 20060219792A1
SERIAL NO

10989220

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ATTORNEY / AGENT: (SPONSORED)

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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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Patent Owner(s)

Patent OwnerAddressTotal Patents
Metrologic Instruments, Inc.BLACKWOOD, NJ356

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amundsen, Thomas Turnersville , US 148 3689
Au, Ka Man Philadelphia , US 146 3920
Bonanno, John Woodbury , US 46 1274
Byun, Sung Cherry Hill , US 50 1331
Ghosh, Sankar Boothwyn , US 86 2098
Hou, Rui Suzhou , CN 69 1456
Knowles, C Harry Moorestown, US 239 6038
Kotlarsky, Anatoly Holland , US 139 3539
Liu, Liang Suzhou , CN 576 6017
Liu, Yong Suzhou , CN 540 7160
Russell, Garrett Wilmington , US 97 2553
Schmidt, Mark Williamstown , US 155 2762
Schnee, Michael Aston , US 50 2140
Spatafore, Pasqual Marlton, US 35 1139
Tao, Xi Suzhou , CN 75 2046
Yu, Hongpeng Tianjin , CN 42 1261
Zhang, Wenhua Suzhou , CN 58 1296
Zhu, Xiaoxun Marlton , US 292 8372

Cited Art Landscape

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* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
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* Cited By Examiner

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