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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8179260 | System and method of reading RFID tags at high speeds Processing a transponder signal received from a transponder may include providing a first signal that is in-phase with the transponder signal and a second that is off-phase with the first signal. A first transformed signal is generated using the first signal, where ... | 05/15/2012 |
| 8176330 | Method, apparatus and article for off-line certification in mobile applications A tamper-resistant certification device receives a certified digital time stamp from a trusted third party, resets a time function and produces a time stamp receipt in an on-line mode; The tamper-resistant certification device receives a digital file from a mobile c... | 05/08/2012 |
| 8170627 | Wireless communications system having reduced noise mode operation capability A wireless communication system having a terminal unit operates in a reduced noise state during receipt of a wireless transmission from a control unit. The terminal unit includes terminal circuitry, a radio and noise management circuitry. The noise management circui... | 05/01/2012 |
| 8164775 | Apparatus and method for automated ticket and boarding An automated ticketing and boarding (ATB) device may replace both legacy boarding pass printers and gate readers, without reconfiguring existing departure control systems (DCSs). The replacement ATB device may create a virtual magnetic stripe in memory from the form... | 04/24/2012 |
| 8162222 | System and method for identifying erasures in a 2D symbol One embodiment of a method for identifying a codeword as an erasure in a Quick Response code (QR code) captured by a bar code reader includes, identifying the scrambling mask used for encoding the data in the QR code. A location of the codeword in the QR code corres... | 04/24/2012 |
| 8157340 | Apparatus and method for thermal printers that employ a battery or other portable power source A thermal printer includes a capacitor and a power converter operable to step a voltage of a power source, and coupled to charge the capacitor. Printing is controlled based at least in part on a charge state of the capacitor. Delays in charging the capacitor may be ... | 04/17/2012 |
| 8120461 | Automatic data collection device, method and article A radio frequency identification system comprises a radio-frequency identification substrate and an interrogator. In one embodiment, the radio-frequency identification substrate comprises a plurality of radio-frequency identification devices. In one embodiment, a fi... | 02/21/2012 |
| 8106746 | Method, apparatus, and system for selecting and locating objects having radio frequency identification (RFID) tags A carrier structure has a plurality of cells. A corresponding plurality of objects having data carriers, such as radio frequency identification (RFID) tags, is placed in each cell. Each cell has an indicator associated therewith and is defined by walls that substant... | 01/31/2012 |
| 8087589 | Laser barcode scanner employing heterodyning techniques A system and method of scanning machine-readable symbols with a signal source modulated by a local oscillator to create by heterodyne mixing upconverted signals at the sum and difference frequencies of the local oscillator frequency and the frequency of the time-var... | 01/03/2012 |
| 8077044 | RFID tags with enhanced range and bandwidth obtained by spatial antenna diversity Spatial antenna diversity is used with RFID tags to reduce sensitivity to multi-path fading. RFID tags can use a single multi-port chip or multiple multi-port chips. The ports of the chip or chips are coupled to separated feedpoints on one or more antennas. ... | 12/13/2011 |
| 8077038 | Systems and methods for RFID surveillance A RFID monitoring system, which can be used to track and identify RFID tags and tag readers as they are used, can include a computing device including an RFID tag database for storing a list of authorized RFID tags that have been licensed by an intellectual property... | 12/13/2011 |
| 8077014 | Method, apparatus, and system for radio frequency identification (RFID) tag association and relative positioning Obscured radio frequency identification (RFID) tags are indirectly read by an RFID reader. Other tags operate to relay the information associated with the obscured tags from one tag to another, until the associated information is ultimately received by the RFID read... | 12/13/2011 |
| 8069369 | Remote anomaly diagnosis and reconfiguration of an automatic data collection device platform over a telecommunications network The invention provides a system and method for remotely diagnosing and repairing a plurality of device platforms. A remote service technician utilizes a computing system having browsing software that communicates with a network of platform devices. ... | 11/29/2011 |
| 8065716 | Method, system and article for dynamic authorization of access to licensed content A content player receives a content carrier, which includes a first computer readable medium and a second computer readable medium, and determines whether a valid license exists for accessing content or a segment of content carried in the first computer readable med... | 11/22/2011 |
| 8064924 | Utilizing location-based data to manipulate power states of embedded devices One or more media is provided for performing a method of utilizing location-based data to manipulate power states of one or more embedded devices on a mobile device. Initially, location-based data from a positioning system (GPS satellite) is received. Generally, the... | 11/22/2011 |
| 8061617 | Enhanced resolution automatic data collection apparatus and method using an afocal optical element An automatic data collection device, such as a scanner-type device, is provided with an afocal optical element, such as an afocal lens, that operates in conjunction with a scanning mirror to scan a target machine-readable symbol using a scanning beam. The scanning m... | 11/22/2011 |
| 8056806 | Machine-readable symbol reader and method employing an ultracompact light concentrator with adaptive field of view An optoelectronic reader for reading machine-readable symbol such as barcode symbols employs a detection subsystem having an RX concentrator. The detection subsystem may include an N-tuple RX concentrator. The RX concentrator may define an optical path for light to ... | 11/15/2011 |
| 8014354 | Dynamically configured wireless communications, for example, in automatic data collection environment Dynamic configuration of a wireless environment, for example a wireless automatic data collection environment adjust various thresholds that trigger searching or scanning for new wireless access points (WAPs) and/or roaming. Thresholds may be increased or decreased ... | 09/06/2011 |
| 8010316 | System and method for laser range-finding A system and method is described for determining a distance to a desired target via correlating a pulse modulated signal with its corresponding reflected signal, while compensating for noise error in the reflected signal to allow for a more precise distance determin... | 08/30/2011 |
| 8006905 | Method of reducing noise in an optically read image using an optical collection device A system and method of reading an indicia and rejecting ambient light is disclosed. An imaging signal and an ambient signal are received by the system where the imaging signal corresponds to indicia information and a first portion of the ambient light, and the ambie... | 08/30/2011 |
| 8002173 | Automatic data collection device, method and article A first machine-readable data carrier comprises an embedded command to control communication with a second machine-readable data carrier. An automatic data collection system is configured to extract the embedded command from the first machine-readable data carrier a... | 08/23/2011 |
| 7978639 | Systems, methods and devices for collecting data from wireless sensor nodes A data request from a requesting device is received at a network of wireless sensor nodes. The data request is then forwarded through the network of wireless sensor nodes to a source wireless sensor node, where data responsive to the data request is generated. A rep... | 07/12/2011 |
| 7978074 | Method and apparatus for RFID tag detection and characterization This disclosure discloses methods and apparatus for detecting and characterizing radio-frequency identification (RFID) tags. ... | 07/12/2011 |
| 7967206 | Functional aiming system for an automatic data collection device, such as an image acquisition device An automatic data collection device is provided for reading barcodes, matrix codes, stacked codes, or other machine-readable symbol. The data collection device generates an aiming beam that serves a dual purpose of target locating and data acquisition, such as data ... | 06/28/2011 |
| 7962104 | Receiver sensitivity for transceiver having diversity architecture A communications transceiver incorporating diversity architecture for utilization with a wireless communications network and having improved receiver sensitivity is disclosed. In a first embodiment of the invention, the communications transceiver comprises a pair of... | 06/14/2011 |
| 7952464 | Configurable RFID tag with protocol and band selection A multi-band and/or multi-protocol, configurable, RFID tag is provided. The tag can include one or more electrical or mechanical selectors for selecting from among multiple frequency bands and communication protocols. In some embodiments, a signal band and protocol ... | 05/31/2011 |
| 7950581 | System and method of acquiring a machine-readable symbol A system and method for acquiring a machine-readable symbol are disclosed. Briefly described, one embodiment comprises receiving at least one scan line of a codeword row, determining a number of codewords of the codeword row, and collapsing an initialization symbol ... | 05/31/2011 |
| 7932815 | Wireless tractor-trailer communications Computer-readable media, systems, and methods for wirelessly communicating between a tractor and a set of trailers in a tractor-trailer environment are described. In embodiments, a tractor wireless communication device associated with a tractor is initialized and as... | 04/26/2011 |
| 7928832 | Method for the operation of RFID read/write devices A method of operating a first RFID read/write device and at least one second RFID read/write device is disclosed herein. The first and second RFID read/write devices respectively comprise an RF part and a baseband part with a digital signal processor. The first and ... | 04/19/2011 |
| 7924346 | Apparatus and method for display screen flicker detection and correction An improved display screen flicker detection and correction system. The system includes a flicker detection component. A test pattern is placed on a display screen to be tested and corrected. The flicker detection component is placed on or near the display screen. T... | 04/12/2011 |
| 7921180 | Method and apparatus for accessing product information using RF tag data A method and apparatus for convenient and easy access to product- and shipment-related information and/or transactions is disclosed. A radio frequency tag reader is used to read a radio frequency tag having a structured data format. The end device parses one or more... | 04/05/2011 |
| 7920512 | Systems, methods, and devices that dynamically establish a sensor network A wireless sensor network includes a network sink node and a plurality of cluster nodes. The cluster nodes are configured to pass communications upstream and downstream. Each cluster node has a communication range, or coverage area. A cluster node is configured to c... | 04/05/2011 |
| 7896249 | Bar code reader or imager using controlled deformation of flexible optics A flexible optic or optical system is deformed using a non-overlapping iris or any of several deformable ring or polygon shapes. In some examples, the deformation of the flexible optic is controlled by one or more actuators comprising a shape memory material. The fl... | 03/01/2011 |
| 7893813 | Automatic data collection device, method and article A radio frequency identification system comprises a radio-frequency identification substrate and an interrogator. In one embodiment, the radio-frequency identification substrate comprises a plurality of radio-frequency identification devices. In one embodiment, a co... | 02/22/2011 |
| 7888913 | Smart battery charger A smart battery charger is provided that includes one or more sensors to identify a particular battery, generate a usage profile for the battery over time, and develop a charging strategy that maximizes the useful life of the battery. The useful life of the battery ... | 02/15/2011 |
| 7868586 | System, devices, and method for selectively wirelessly energizing passive wireless data communications devices Systems, methods, and devices wirelessly energize passive wireless data communication devices. In one embodiment, remotely powered wireless transmission power sources are actuated by a user. Upon actuation, a selected wireless transmission power source transmits ele... | 01/11/2011 |
| 7773322 | Systems and methods for moving a lens using shape memory materials An imaging apparatus comprises an image pickup and a lens. A shape memory actuator is coupled to the lens and configured to move the lens relative to the image pickup. ... | 08/10/2010 |
| 7761864 | Method, apparatus and article to load new instructions on processor based devices, for example, automatic data collection devices Methods, apparatus and articles facilitate the loading of a set of new instructions to replace set of existing instructions on a processor based device, for example an automatic data collection device. For example, a new operating system may replace an existing oper... | 07/20/2010 |
| 7724142 | Systems and methods for wirelessly marking media A media marking transponder system includes a media fastener and a wireless transponder circuit coupled to the media fastener. The antenna for the wireless transponder circuit has a first effective length when no piece of media is fastened to the media fastener and ... | 05/25/2010 |
| 7711159 | Multi-technology information capture system and method A mobile system having a portable fingerprint collecting system for generating a digitized image of a fingerprint collected from a subject, a database system configured to store a database containing a plurality of fingerprint templates cross-referenced with identif... | 05/04/2010 |
