Patents Assigned to Symbol
  • DISPLAY WITH EMISSIVE AND REFLECTIVE LAYERS
    Publication number: 20120105384
    Abstract: A display comprising includes a reflective panel 104 and a substantially transparent emissive panel 102. The emissive panel is aligned and positioned over the reflective panel 104. The emissive panel is operable to have an active pixel region 200 smaller than an active pixel region of the reflective panel 104. A controller 108 operable to provide first information for display on the reflective panel 104 and second information for display on the emissive panel 102, wherein the first and second information are coordinated to provide a single composite image to a user.
    Type: Application
    Filed: October 28, 2010
    Publication date: May 3, 2012
    Applicant: SYMBOL TECHNOLOGIES, INC.
    Inventor: Richard M. Clayton
  • METHOD AND APPARATUS FOR POWERING BARCODE READERS
    Publication number: 20120104101
    Abstract: An apparatus includes (1) a first housing for housing therein a barcode reading arrangement and (2) an enclosed space for housing therein a battery configured to power the barcode reading arrangement located outside the enclosed space. The first housing includes a window made from one or more materials that has a lower flaming critical temperature than that of any material for making the enclosed space for housing the battery.
    Type: Application
    Filed: October 28, 2010
    Publication date: May 3, 2012
    Applicant: Symbol Technologies, Inc.
    Inventors: Darran M. Handshaw, Alan N. Mears
  • DISTRIBUTED PROPAGATION OF DATA IN A WIRELESS COMMUNICATION NETWORK
    Publication number: 20120110183
    Abstract: A technique for distributed propagation of data in a wireless communication network includes providing 600 a unique host identifier for each peer network entity in the wireless communication network, each host identifier having a length of B bits. A next step includes requesting 602 data from peer network entities using a request having a host identifier of the requesting network entity. A next step includes, if a peer network entity is hosting the requested data, comparing 608 the host identifiers of the requesting network entity and the peer network entity receiving the request to determine a match. A next step includes responding 610 to the request if a match is determined.
    Type: Application
    Filed: October 28, 2010
    Publication date: May 3, 2012
    Applicant: SYMBOL TECHNOLOGIES, INC.
    Inventors: Trevor Miranda, Puneet Batta
  • Arrangement for and method of controlling monitor photodiode leakage current in lasers in electro-optical readers
    Patent number: 8167208
    Abstract: In an electro-optical reader, an aiming or a scanning laser has an internal laser chip and a monitor photodiode. A controller deenergizes the chip in a deenergized state, and energizes the chip to emit a laser beam with an output power in an energized state. A positive voltage power supply forward biases and maintains the photodiode at a substantially constant positive voltage below a threshold voltage, to support a substantially constant photodiode leakage current in both states. A signal processor supports a total current comprised of a main photodiode current indicative of the output power of the laser beam in the energized state and of the leakage current which flows opposite to the main current, and removes the leakage current from the total current to output only the main current in the energized state.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: May 1, 2012
    Assignee: Symbol Technologies, Inc.
    Inventors: Mark Weitzner, James Giebel
  • Increasing imaging quality of a bar code reader
    Patent number: 8167209
    Abstract: The exemplary system requires a 2D barcode be located on an object, a portion of which is to be captured in an image. The module size of the 2D barcode is chosen to match the smallest feature to be preserved on the output image. While the target is moving with respect to the imager the 2D bar code is also moving and the resulting image is degraded. The imager will properly decode the 2D barcode only if the bar code is stationary (or moving very slowly) and hence will provide an acceptable image in the region of the 2D bar code.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: May 1, 2012
    Assignee: Symbol Technologies, Inc.
    Inventors: Eugene Joseph, Duanfeng He
  • Integrated optical exit window
    Patent number: 8167207
    Abstract: A device including a housing, an imaging engine and a transparent exit window. The imaging engine is located within the housing. The exit window is in the housing allowing light to pass from an exterior of the device to the imaging engine within the housing. The exit window has a plurality of segments. Each of the segments has a corresponding optical property.
    Type: Grant
    Filed: July 15, 2008
    Date of Patent: May 1, 2012
    Assignee: Symbol Technologies, Inc.
    Inventors: David Tsi Shi, Alan J. Epshteyn, Edward Voli
  • System for increasing imaging quality
    Patent number: 8167210
    Abstract: A method and apparatus for improving the image quality obtained by an imaging-based scanner comprising a housing supporting one or more protective windows. The apparatus further comprises at least one scanning arrangement, the scanning arrangement comprising illumination and imaging optics. The illumination and imaging optics form a respective field of view for imaging a target object. A light baffle is attached to the scanning arrangement. The light baffle has an aperture corresponding to each of the illumination and imaging optics such that stray light reflected from the protective windows is absorbed by the light baffle, improving the image quality of the imaging-based scanner.
    Type: Grant
    Filed: September 17, 2008
    Date of Patent: May 1, 2012
    Assignee: Symbol Technologies, Inc.
    Inventors: Rong Liu, Vladimir Gurevich, Ming Yu
  • System and method for peer-to-peer staging of a mobile device
    Patent number: 8169934
    Abstract: A system comprising a first mobile device and a second mobile device. The first mobile device includes a memory and an output arrangement. The memory stores a staging profile. The staging profile is used to configure at least a portion of the first mobile device. The second mobile device includes an input arrangement. The input arrangement obtains the staging profile from the output arrangement. At least a portion of the second mobile device is configured using the staging profile.
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: May 1, 2012
    Assignee: Symbol Technologies, Inc.
    Inventor: Allan Herrod
  • Adaptive focusing using liquid crystal zone plates in electro-optical readers
    Patent number: 8169589
    Abstract: Working range and beam cross-section are adjusted in an electro-optical reader for reading indicia by applying voltages to electrodes in one or more liquid crystal zone plates in which the index of refraction is changed in different regions of each zone plate.
    Type: Grant
    Filed: March 18, 2008
    Date of Patent: May 1, 2012
    Assignee: Symbol Technologies, Inc.
    Inventor: David Tsi-Shi
  • Internal accessory antenna system and method for wireless network
    Patent number: 8170611
    Abstract: Described is a method and system which includes an arrangement including an internal wireless communication antenna and a wireless communication device couplable to one of an external wireless communication antenna and the arrangement. When the arrangement is attached to the device, the device is capable of unitizing either first or second wireless channels. When the arrangement is not attached to the device, the device utilizes only the second channel.
    Type: Grant
    Filed: September 4, 2002
    Date of Patent: May 1, 2012
    Assignee: Symbol Technologies, Inc.
    Inventor: Philip N. Ballai
  • Battery pack with built in communication port
    Patent number: 8169188
    Abstract: A system and method for providing a communication port integral with a battery pack assembly is disclosed. The system provides a pathway between an external unit and a host unit via a printed circuit board of the battery pack. The battery pack can include communication ports mounted on the printed circuit board for interfacing with external units. The printed circuit board further includes a substrate(s) formed with a predetermined wiring pattern electrically and/or mechanically joined to the CPU of the host unit, as well as the battery cell(s).
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: May 1, 2012
    Assignee: Symbol Technologies, Inc.
    Inventors: Eduard Kogan, Vladimir Yakhnich
  • Interference mitigation in mobile units having location transmitters
    Patent number: 8169991
    Abstract: A mobile device for data communications has a radio circuit for data communications with a wireless network access point and a radio tag for transmitting location-identifying radio signals. The radio circuit and the radio tag are co-located on a circuit board or are commonly powered. The operation of the radio circuit and the radio tag are segregated in time to avoid interference. Standard wireless network interface protocol functions are exploited to identify time intervals in which the radio circuit is inactive for data communications. These time intervals are used to operate the radio tag to transmit the location-identifying radio signals.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: May 1, 2012
    Assignee: Symbol Technologies, Inc.
    Inventors: Sarosh Vesuna, Chris Zegelin
  • Self-assignment of detectors and workers among access devices in a wireless network environment
    Patent number: 8170050
    Abstract: A self-assignment method for assigning detector and working devices among a plurality of access devices in a wireless network begins by performing wireless data collection with the access devices during an automated calibration period. During this time, each access device receives beacons from one or more other transmitting access devices. The method records radio frequency (RF) data associated with beacons received during the wireless data collection, and thereafter automatically designates at least one of the access devices as a detector device, based upon the recorded RF data.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: May 1, 2012
    Assignee: Symbol Technologies, Inc.
    Inventor: Aihua Edward Li
  • Methods and apparatus for implementing a search tree
    Patent number: 8171539
    Abstract: Apparatus and methods are provided for implementing a firewall in a network infrastructure component. A method comprises generating a search tree for a plurality of rules. The search tree comprises a first node having a first field bounds and a first set of rules of the plurality of rules, and a plurality of child nodes for the first node. Each child node has child field bounds based on an intersection of the first field bounds and the first set of rules, and each child node is assigned a respective subset of the first set of rules based on the respective child field bounds. The method further comprises receiving a first packet, identifying a first child node of the plurality of child nodes based on values for one or more fields of the first packet, and applying the respective subset of rules assigned to the first child node to the first packet.
    Type: Grant
    Filed: January 7, 2009
    Date of Patent: May 1, 2012
    Assignee: Symbol Technologies, Inc.
    Inventor: Trevor Miranda
  • ADVISORY ALARM FOR RETURNING CORDLESS ELECTRO-OPTICAL READER TO BASE STATION OF POINT-OF-TRANSACTION CHECKOUT SYSTEM
    Publication number: 20120097745
    Abstract: A cordless reader electro-optically reads indicia on products to be processed in a checkout system in a handheld mode. A base station has a compartment in which the cordless reader is mounted in a hands-free mode. A transceiver communicates data between the cordless reader and the base station. A controller controls operation of the cordless reader and the base station, and also determines the mode of the cordless reader. An alarm generates an advisory alert to advise a return of the cordless reader to the compartment when the controller determines that the cordless reader is in the handheld mode and the cordless reader or the base station does not satisfy an operational condition.
    Type: Application
    Filed: October 25, 2010
    Publication date: April 26, 2012
    Applicant: SYMBOL TECHNOLOGIES, INC.
    Inventor: Christopher Warren BROCK
  • Arrangement For And Method Of Reducing Vertical Parallax Between An Aiming Pattern And An Imaging Field Of View In A Linear Imaging Reader
    Publication number: 20120097744
    Abstract: Vertical parallax between an imaging linear field of view (FOV) and an aiming light pattern is reduced in a reader for electro-optically reading symbols to be read by image capture by an arrangement that includes an imaging assembly having a solid-state imager with a linear array of image sensors, and an imaging lens for capturing return light over the imaging linear FOV from a symbol and for projecting the captured return light onto the linear array, an aiming light assembly spaced vertically away from the imaging assembly for generating the aiming light pattern on the symbol prior to reading, and an optical assembly for intercepting the aiming light pattern and for vertically aligning the aiming light pattern with the imaging linear FOV to reduce the vertical parallax.
    Type: Application
    Filed: October 26, 2010
    Publication date: April 26, 2012
    Applicant: Symbol Technologies, Inc.
    Inventors: Mark Drzymala, Edward Barkan
  • Geographically agnostic wireless data communication system having wireless devices
    Patent number: 8164441
    Abstract: A wireless data communication system suitable for use as a radio frequency (RF) locationing or presence detection system includes at least one wireless access device and at least one active RF tag corresponding to an item or asset of interest. The wireless access device is configured to transmit a locale message that conveys location-specific data corresponding to a geographic operating region of the wireless access device. The active RF tag receives the locale message, processes the location-specific data conveyed in the locale message, and configures itself in accordance with the location-specific data to support operation using a selected wireless data communication scheme. The selected scheme is compliant with the operating requirements of the geographic operating region in which the active RF tag resides.
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: April 24, 2012
    Assignee: Symbol Technologies, Inc.
    Inventors: Sameer Kanagala, Ajay Malik
  • Method of setting amount of exposure for photodetector array in barcode scanner
    Patent number: 8162224
    Abstract: A method and apparatus for setting the amount of exposure for the photodetector array in a barcode scanner. An image is captured with the photodetector array. The type for each sub-region in the multiple sub-regions in the image captured is determined. Each sub-region in the multiple sub-regions is assigned a weight based on the type of the sub-region. The amount of exposure for the photodetector array in the barcode scanner is set automatically based on the weight for each sub-region in the multiple sub-regions. In some embodiments, the predetermined image area are repartitioned into new multiple sub-regions based on the image captured, and the amount of exposure for the photodetector array in the barcode scanner is set automatically based on the weight for each sub-region in the new multiple sub-regions.
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: April 24, 2012
    Assignee: Symbol Technologies, Inc.
    Inventors: Dayou Wang, Joseph Cai, Michelle Wang
  • Graphical battery management system
    Patent number: D658524
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: May 1, 2012
    Assignee: Symbol Technologies, Inc.
    Inventor: Mark Palmer
  • Programmable mobile device with thumb wheel
    Patent number: RE43344
    Abstract: A programmable mobile terminal which includes a thumb wheel for selecting among a plurality of functions executable by the mobile terminal. The programmable mobile terminal allows a user to employ the same hand that is holding the mobile terminal to scroll through and select a function among a plurality of functions via the thumb wheel. The wheel portion of thumb wheel is rotated either clockwise or counter clockwise by the user's thumb or other finger to scroll a screen cursor through the functions and once the screen cursor of the mobile terminal is positioned at a desired function, the user can depress the wheel portion in a transaxial direction with the same thumb or finger to select the desired function. Also, the programmable mobile terminal allows a user to scan bar code information and use the thumb wheel for selecting among a plurality of functions relating to the scanned bar code information.
    Type: Grant
    Filed: October 19, 2004
    Date of Patent: May 1, 2012
    Assignee: Symbol Technologies, Inc.
    Inventor: James M. Cisar