US Patent No: 6,969,003

Number of patents in Portfolio can not be more than 2000

Method and apparatus for extending operating range of bar code scanner

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ALSO PUBLISHED AS: 20040004125
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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Briefly stated, the operating depth of field for a bar code scanner, preferably a laser scanner, is increased by placing a cubic phase mask (CPM) in the scanning beam. The masked beam is then scanned and reflected off a bar code and received by a photodetector. The received signal is then processed to recover the original unperturbed representation of the bar code pattern. The processed signal has an increased depth of field over an unmasked scanner signal.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HAND HELD PRODUCTS, INC.SKANEATELES FALLS, NY369

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hammond, Charles M Skaneateles, NY 3 333
Havens, William H Marcellus, NY 177 5014

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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HAND HELD PRODUCTS, INC. (2)
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Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Metrologic Instruments, Inc. (117)
7,357,325 Hand-supportable imaging-based bar code symbol reader employing a CMOS-type image sensor using global exposure techniques 4 2004
7,490,774 Hand-supportable imaging based bar code symbol reader employing automatic light exposure measurement and illumination control subsystem integrated therein 12 2004
7,568,625 Hand-supportable digital image-processing based bar code symbol reading system employing image cropping zone (ICZ) framing and post-image capture cropping 2 2004
7,347,374 Hand-supportable digital imaging-based bar code symbol reader employing an event-driven system control subsystem, automatic IR-based object detection, and trigger-switch activated image capture and processing subsystem 5 2004
7,607,581 Digital imaging-based code symbol reading system permitting modification of system features and functionalities 5 2005
7,464,877 Digital imaging-based bar code symbol reading system employing image cropping pattern generator and automatic cropped image processor 3 2006
7,540,424 Compact bar code symbol reading system employing a complex of coplanar illumination and imaging stations for omni-directional imaging of objects within a 3D imaging volume 18 2006
7,503,498 Hand-supportable digital image capturing and processing system employing an area-type image sensing array exposed to illumination from an LED-based illumination array only when all sensor elements in said image-sensing array are activated and in a state of integration 9 2006
7,513,430 Digital image capturing and processing system employing an area-type image sensing array exposed to narrow-band illumination from a narrow-band illumination subsystem for a time duration controlled using a photodetector operated independently from said area-type image sensing array 12 2006
7,510,122 Portable digital image capturing and processing system employing an area-type image sensing array exposed to illumination produced from an LED-based illumination array and measured using a photodector operated independently from said area-type image sensing array 1 2006
7,503,499 Digital image capturing and processing system producing narrow-band illumination when image sensor elements in a state of integration, and simultaneously detecting narrow-band illumination using an area-type image sensor and independently-operated photo-detector 12 2006
7,624,926 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 image cropping zone (ICZ) framing pattern and a field of illumination within the FOV during object illumination and imaging operations 1 2006
7,611,064 Digital image capture and processing system having automatic illumination measurement and control capabilities realized using a photodetector operating independently of the image sensing array, and an image-processing based illumination metering program for automatically adjusting the illumination duration of the system during object illumination and imaging operations 3 2006
7,527,206 Method of setting the time duration of illumination from an LED-based illumination array employed in a digital imaging-based code symbol reader, using an image-processing based illumination metering program executed therewithin 4 2006
7,490,778 Method of reading code symbols using a hand-supportable digital image capturing and processing device employing a micro-computing platform supporting an event-driven multi-tier modular software architecture 14 2006
7,407,109 Digital-imaging based code symbol reading system employing a micro-computing platform supporting an event-driven multi-tier modular software architecture 0 2006
7,588,190 Digital-imaging code symbol reading system supporting automatic programming of system parameters for automatic configuration of said system in hands-on and hands-free modes of operation 2 2006
7,708,205 Digital image capture and processing system employing multi-layer software-based system architecture permitting modification and/or extension of system features and functions by way of third party code plug-ins 3 2006
7,854,384 Digital image capture and processing engine employing optical waveguide technology for collecting and guiding LED-based illumination during object illumination and image capture modes of operation 1 2006
7,494,063 Automatic imaging-based code symbol reading system supporting a multi-tier modular software architecture, automatic illumination control, and video image capture and processing techniques 4 2006
7,775,431 Method of and apparatus for shipping, tracking and delivering a shipment of packages employing the capture of shipping document images and recognition-processing thereof initiated from the point of shipment pickup and completed while the shipment is being transported to its first scanning point to facilitate early customs clearance processing and shorten the delivery time of packages to point of destination 1 2007
7,559,475 Automatic digital-imaging based bar code symbol reading system supporting a pass-through mode of system operation using automatic object direction detection and illumination control, and video image capture and processing techniques 11 2007
7,487,917 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-area illumination control, and narrow-area and wide-area video image capture and processing techniques 22 2007
7,484,666 Automatic digital-imaging based bar code symbol reading system supporting pass-through and presentation modes of system operation using automatic object direction detection and illumination control, and video image capture and processing techniques 2 2007
7,575,167 Method of dynamically managing system control parameters in a digital image capture and processing system 2 2007
7,546,951 Digital image capture and processing system employing real-time analysis of image exposure quality and the reconfiguration of system control parameters based on the results of such exposure quality analysis 2 2007
7,543,752 Digital image capture and processing system employing a multi-mode illumination subsystem adaptable to ambient illumination levels 5 2007
7,540,425 Method of dynamically controlling illumination and image capturing operations in a digital image capture and processing system 8 2007
7,584,892 Digital-imaging based code symbol reading system employing a plurality of coplanar illumination and imaging subsystems, each having a local object motion detection subsystem for automatic detecting objects within the 3D imaging volume, and a local control subsystem for transmitting object detection state data to a global control subsystem for managing the state of operation of said coplanar illumination and imaging subsystems 11 2007
7,571,859 Digital-imaging based code symbol reading system employing a plurality of coplanar illumination and imaging subsystems, global object motion detection subsystem for automatically detecting objects within its 3D imaging volume, and global control subsystem for managing the state of operation of said coplanar illumination and imaging substems 11 2007
7,556,199 Digital image capturing and processing system employing a plurality of coplanar illuminating and imaging stations projecting a complex of coplanar illumination and imaging planes into a 3D imaging volume so as to support pass-through and presentation modes of digital imaging at a point of sale (POS) environment 12 2007
7,533,823 Digital image capturing and processing system employing a plurality of coplanar illuminating and imaging stations projecting a plurality of coplanar illumination and imaging planes into a 3D imaging volume, and controlling operations therewithin using control data derived from motion data collected from the automated detection of objects passing through said 3D imaging volume 8 2007
7,533,820 Digital image capturing and processing system employing coplanar illumination and imaging stations which generate coplanar illumination and imaging planes only when and where an object is being moved within the 3D imaging volume 8 2007
7,530,497 Digital image capturing and processing system employing an image capturing and processing module and an integrated electronic weigh scale module having a load cell centrally located with respect to said image capturing and processing module 0 2007
7,527,204 Omni-directional digital image capturing and processing system comprising coplanar illumination and imaging stations automatically detecting object motion and velocity and adjusting exposure and/or illumination control parameters therewithin 9 2007
7,516,898 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 parameters in said system using the detected motion and velocity of object 11 2007
7,905,413 Digital image capturing and processing system employing a plurality of coplanar illumination and imaging subsystems for digitally imaging objects in a 3D imaging volume, and a globally-deployed object motion detection subsystem for automatically detecting and analyzing the motion of objects passing through said 3-D imaging volume 6 2007
7,543,749 Digital image capturing and processing system having a plurality of coplanar illumination and imaging subsystems, each employing a dual-type coplanar linear illumination and imaging engine that supports image-processing based object motion and velocity detection, and automatic image formation and detection along the coplanar illumination and imaging plane produced thereby 11 2007
7,611,062 Omni-directional digital image capturing and processing system employing coplanar illumination and imaging planes and area-type illumination and imaging zones with the horizontal and vertical sections of the system housing 6 2007
7,581,680 Omni-directional digital image capturing and processing system employing coplanar illumination and imaging stations in horizontal and vertical housing sections of the system 16 2007
7,537,165 Omni-directional digital image capturing and processing system employing coplanar illumination and imaging planes and area-type illumination and imaging zones within the system housing 12 2007
7,819,326 Network of digital image capturing systems installed at retail POS-based stations and serviced by a remote image processing server in communication therewith 2 2007
7,815,113 Method of and system for returning a consumer product in a retail environment so as to prevent or reduce employee theft, as well as provide greater accountability for returned merchandise in retail store environments 0 2007
7,651,028 Intelligent system for automatically recognizing objects at a point of sale (POS) station by omni-directional imaging of the objects using a complex of coplanar illumination and imaging subsystems 4 2007
7,578,442 Method of and apparatus for identifying consumer products in a retail environment when bar code symbols on the products are not readable or have been removed from packaging 7 2007
7,540,422 Digital image capturing and processing system employing imaging window protection plate having an aperture pattern and being disposed over said imaging window and beneath which resides a plurality of coplanar illumination and imaging stations 11 2007
7,520,433 Method for intelligently controlling the illumination and imagine of objects as they are moved through the 3D imaging volume of a digital image capturing and processing system 7 2007
7,594,608 Automatic omnidirectional bar code symbol reading system employing linear-type and area-type bar code symbol reading stations within the system housing 9 2007
7,559,474 Automatic omnidirectional bar code symbol reading system employing linear-type and area-type bar code symbol reading stations within the system housing 13 2007
7,594,609 Automatic digital video image capture and processing system supporting image-processing based code symbol reading during a pass-through mode of system operation at a retail point of sale (POS) station 14 2007
7,604,175 Method of reading bar code symbols using a digital-imaging based code symbol reading system employing an event-driven multi-tier modular software architecture and supporting automatic operating system login and loading of bar code symbol reading application 3 2007
7,469,835 Digital-imaging based code symbol reading system employing an event-driven multi-tier modular software architecture and supporting automatic operating system login and loading of code symbol reading application 1 2007
7,637,433 Digital image capture and processing system employing a micro-computing platform with an event-driven multi-tier modular software architecture and supporting an image-processing based illumination metering program for automatically adjusting illumination during object illumination and imaging operations 3 2007
7,673,802 Automatic POS-based digital image capturing and processing system employing a plurality of area-type illumination and imaging zones intersecting within the 3D imaging volume of the system 7 2007
7,658,330 Automatic POS-based digital image capturing and processing system employing object motion controlled area-type illumination and imaging operations 3 2007
7,578,445 Automatic POS-based digital image capturing and processing system employing object motion controlled area-type illumination and imaging operations 9 2007
7,568,626 Automatic POS-based digital image capturing and processing system employing a plurality of area-type illumination and imaging zones intersecting within the 3D imaging volume of the system 12 2007
7,637,432 Automatic point-of-sale based code symbol reading system employing automatic object motion detection and illumination control, and digital video image capturing and processing techniques 8 2007
7,950,583 Automatic digital video imaging based code symbol reading system employing an automatic object motion controlled illumination subsystem 7 2007
7,654,461 Automatically-triggered digital video imaging based code symbol reading system employing illumination and imaging subsystems controlled in response to real-time image quality analysis 7 2007
7,845,563 Digital image capture and processing system employing an illumination subassembly mounted about a light transmission aperture, and a field of view folding mirror disposed beneath the light transmission aperture 0 2007
7,789,309 Automatic digital video-imaging based code symbol reading system employing illumination and imaging subsystems controlled within a control loop maintained as long as a code symbol has not been successfully read and the object is detected in the field of view of the system 4 2007
7,735,737 Automatically-triggered digital video-imaging based code symbol reading system supporting ambient illumination mode automatically selected by adaptive control process 13 2007
7,712,666 Automatically-triggered digital video-imaging based code symbol reading system supporting dynamically controlled object illumination and digital video-imaging operations 5 2007
7,770,798 Automatically-triggered digital video-imaging based code symbol reading system for use in a point-of-sale (POS) environment 4 2007
7,575,169 Digital image capturing and processing system for producing and projecting a plurality of coextensive area-type illumination and imaging zones into a 3D imaging volume and controlling illumination control parameters in said system using the detected motion of objects present therewithin 12 2007
7,661,595 Digital image capturing and processing system employing a plurality of area-type illuminating and imaging stations projecting a plurality of coextensive area-type illumination and imaging zones into a 3D imaging volume, and controlling operations therewithin using 3 2007
7,681,799 Method of reading code symbols using a digital image capturing and processing system employing a micro-computing platform with an event-driven multi-tier software architecture 2 2007
8,042,740 Method of reading bar code symbols on objects at a point-of-sale station by passing said objects through a complex of stationary coplanar illumination and imaging planes projected into a 3D imaging volume 3 2007
7,878,407 POS-based digital image capturing and processing system employing automatic object motion detection and spectral-mixing based illumination techniques 3 2007
7,731,091 Digital image capturing and processing system employing automatic object detection and spectral-mixing based illumination techniques 3 2007
7,614,560 Method of illuminating objects at a point of sale (POS) station by adaptively controlling the spectral composition of the wide-area illumination beam produced from an illumination subsystem within an automatic digital image capture and processing system 4 2007
7,546,952 Method of illuminating objects during digital image capture operations by mixing visible and invisible spectral illumination energy at point of sale (POS) environments 10 2007
7,661,597 Coplanar laser illumination and imaging subsystem employing spectral-mixing and despeckling of laser illumination 1 2007
7,588,188 Pos-based digital image capturing and processing system using automatic object detection, spectral-mixing based illumination and linear imaging techniques 8 2007
7,575,170 POS-based digital image capturing and processing system using automatic object detection, spectral-mixing based illumination and linear imaging techniques 10 2007
7,571,858 POS-based digital image capturing and processing system using automatic object detection, spectral-mixing based illumination and linear imaging techniques 10 2007
8,172,141 Laser beam despeckling devices 0 2007
7,870,999 Internet-based shipping, tracking, and delivery network supporting a plurality of mobile digital image capture and processing (MICAP) systems 2 2007
7,810,724 Method of and apparatus for shipping, tracking, and delivering a shipment of packages employing the capture of shipping document images and recognition-processing thereof initiated from the point of shipment pickup and completed while the shipment is being transported to its first scanning point, to shorten the delivery time of packages to point of destination 0 2007
7,806,335 Digital image capturing and processing system for automatically recognizing objects in a POS environment 7 2007
7,806,336 Laser beam generation system employing a laser diode and high-frequency modulation circuitry mounted on a flexible circuit 0 2007
7,798,400 Method of and apparatus for shipping, tracking, and delivering a shipment of packages employing the capture of shipping document images and recognition-processing thereof initiated from the point of pickup and completed while shipment is being transported to its first scanning point so as to facilitate early billing processing for shipment delivery 0 2007
7,793,841 Laser illumination beam generation system employing despeckling of the laser beam using high-frequency modulation of the laser diode current and optical multiplexing of the component laser beams 0 2007
7,784,695 Planar laser illumination module (PLIM) employing high-frequency modulation (HFM) of the laser drive currents and optical multplexing of the output laser beams 0 2007
7,775,436 Method of driving a plurality of visible and invisible LEDs so as to produce an illumination beam having a dynamically managed ratio of visible to invisible (IR) spectral energy/power during object illumination and imaging operations 14 2007
7,770,796 Device for producing a laser beam of reduced coherency using high-frequency modulation of the laser diode current and optical multiplexing of the output laser beam 0 2007
7,762,465 Device for optically multiplexing a laser beam 1 2007
7,753,271 Method of and apparatus for an internet-based network configured for facilitating re-labeling of a shipment of packages at the first scanning point employing the capture of shipping document images and recognition-processing thereof initiated from the point of shipment pickup and completed while said shipment is being transported to said first scanning point 1 2007
7,665,665 Digital illumination and imaging subsystem employing despeckling mechanism employing high-frequency modulation of laser diode drive current and optical beam multiplexing techniques 1 2007
7,886,972 Digital color image capture and processing module 3 2007
7,883,013 Mobile image capture and processing system 5 2007
7,861,936 digital image capturing and processing system allowing third-parties to extend the features and functions of said system, and modify the standard behavior thereof without permanently modifying the standard features and functions thereof 1 2007
7,837,105 Method of and apparatus for translating shipping documents 0 2007
7,815,121 Method of modifying and/or extending the standard features and functions of a digital image capture and processing system 3 2007
7,766,230 Method of shipping, tracking, and delivering a shipment of packages over an internet-based network employing the capture of shipping document images and recognition-processing thereof initiated from the point of pickup and completed while shipment is being transported to its first scanning point in the network, so as to sort and route packages using the original shipment number assigned to the package shipment 0 2007
7,735,731 Web-enabled mobile image capturing and processing (MICAP) cell-phone 2 2007
7,841,533 Method of capturing and processing digital images of an object within the field of view (FOV) of a hand-supportable digitial image capture and processing system 4 2007
7,980,471 Method of unlocking restricted extended classes of features and functionalities embodied within a digital image capture and processing system by reading feature/functionality-unlocking type code symbols 1 2007
7,922,089 Hand-supportable digital image capture and processing system employing automatic object presence detection to control automatic generation of a linear targeting illumination beam within the field of view (FOV), and manual trigger switching to initiate illumination 4 2007
7,845,559 Hand-supportable digital image capture and processing system employing visible targeting illumination beam projected from an array of visible light sources on the rear surface of a printed circuit (PC) board having a light transmission aperture, and reflected off multiple folding mirrors and projected through the light transmission aperture into a central portion of the field of view of said system 0 2007
7,845,561 Digital image capture and processing system supporting a periodic snapshot mode of operation wherein during each image acquisition cycle, the rows of image detection elements in the image detection array are exposed simultaneously to illumination 1 2007
7,900,839 Hand-supportable digital image capture and processing system having a printed circuit board with a light transmission aperture, through which the field of view (FOV) of the image detection array and visible targeting illumination beam are projected using a FOV-folding mirror 1 2007
8,157,174 Digital image capture and processing system employing an image formation and detection system having an area-type image detection array supporting single snap-shot and periodic snap-shot modes of image acquisition during object illumination and imaging operations 6 2008
8,157,175 Digital image capture and processing system supporting a presentation mode of system operation which employs a combination of video and snapshot modes of image detection array operation during a single cycle of system operation 2 2008
8,052,057 Method of programming the system configuration parameters of a digital image capture and processing system during the implementation of its communication interface with a host system without reading programming-type bar code symbols 4 2008
8,047,438 Digital image capture and processing system employing an image formation and detection subsystem having an area-type image detection array supporting periodic occurrance of snap-shot type image acquisition cycles at a high-repetition rate during object illumination 1 2008
8,011,585 Digital image capture and processing system employing a linear LED-based illumination array mounted behind an illumination-focusing lens component integrated within the imaging window of the system 0 2008
7,997,489 Countertop-based digital image capture and processing system having an illumination subsystem employing a single array of LEDs disposed behind an illumination focusing lens structure integrated within the imaging window, for generating a field of visible illumination highly confined below the field 0 2008
7,988,053 Digital image capture and processing system employing an image formation and detection subsystem having image formation optics providing a field of view (FOV) on an area-type image detection array, and a multi-mode illumination subsystem having near and far field LED-based illumination arrays for illuminating near and far field portions of said FOV 0 2008
7,967,209 Method of blocking a portion of illumination rays generated by a countertop-supported digital imaging system, and preventing illumination rays from striking the eyes of the system operator or nearby consumers during operation of said countertop-supported digital image capture and processing system installed at a retail point of sale (POS) station 1 2008
8,132,731 Digital image capture and processing system having a printed circuit (PC) board with a light transmission aperture, wherein an image detection array is mounted on the rear side of said PC board, and a linear array of light emitting diodes (LEDS) is mounted on the front surface of said PC board, and aligned with an illumination-focusing lens structure integrated within said imaging window 0 2008
8,100,331 Digital image capture and processing system having a printed circuit (PC) board with light transmission aperture, wherein first and second field of view (FOV) folding mirrors project the FOV of a digital image detection array on the rear surface of said PC board, through said light transmission aperture 0 2008
8,087,588 Digital image capture and processing system having a single printed circuit (PC) board with a light transmission aperture, wherein a first linear array of visible light emitting diodes (LEDs) are mounted on the rear side of the PC board for producing a linear targeting illumination beam, and wherein a second linear array of visible LEDs are mounted on the front side of said PC board for producing a field of visible illumination within the field of view (FOV) of the system 0 2008
8,366,005 Hand-supportable digital image capture and processing system supporting a multi-tier modular software architecture 0 2010
8,317,105 Optical scanning system having an extended programming mode and method of unlocking restricted extended classes of features and functionalities embodied therewithin 0 2011
8,479,992 Optical code symbol reading system employing an acoustic-waveguide structure for coupling sonic energy, produced from an electro-transducer, to sound wave ports formed in the system housing 0 2011
 
THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE (3)
7,705,970 Method and system for optical imaging and ranging 6 2007
8,693,742 Three-dimensional single-molecule fluorescence imaging beyond the diffraction limit using a double-helix point spread function 0 2009
8,620,065 Methods and systems for three dimensional optical imaging, sensing, particle localization and manipulation 0 2011
 
DATALOGIC ADC, INC. (2)
8,335,341 Compensated virtual scan lines 0 2008
8,322,617 Systems and methods for selectively masking a scan volume of a data reader 0 2010
 
INTERMEC IP CORP. (1)
8,056,806 Machine-readable symbol reader and method employing an ultracompact light concentrator with adaptive field of view 0 2006
 
RAMOT AT TEL-AVIV UNIVERSITY LTD. (1)
8,576,323 Optical imaging system with an extended depth-of-field and method for designing an optical imaging system 0 2009
 
VIRTUALONE, LLC (1)
7,878,396 System and method for tracking origins of produce 0 2008
 
XEROX CORPORATION (1)
7,838,814 Plenoptic system for recording images from sheets 4 2007

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