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, 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 3060
Au, Ka Man Philadelphia , US 146 3265
Bonanno, John Woodbury , US 46 1148
Byun, Sung Cherry Hill , US 50 1205
Ghosh, Sankar Boothwyn , US 86 1885
Hou, Rui Suzhou , CN 69 1276
Knowles, C Harry Moorestown, US 239 5466
Kotlarsky, Anatoly Holland , US 139 2864
Liu, Liang Suzhou , CN 576 5653
Liu, Yong Suzhou , CN 540 5680
Russell, Garrett Wilmington , US 97 2367
Schmidt, Mark Williamstown , US 155 2379
Schnee, Michael Aston , US 50 1636
Spatafore, Pasqual Marlton, US 35 1023
Tao, Xi Suzhou , CN 75 1646
Yu, Hongpeng Tianjin , CN 42 1140
Zhang, Wenhua Suzhou , CN 58 1169
Zhu, Xiaoxun Marlton , US 292 6448

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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