Patent application number | Description | Published |
20120127648 | Apparatus for Storing Data - An apparatus for storing data and supplying stored data. The apparatus comprises a support unit having a plurality of connectors for connecting to a plurality of data storage elements, and a plurality of data storage elements. Each data storage element is connected to one of the connectors. The apparatus also comprises a cable having a first end connected to the support unit and a second end connected to a main part. The main part defining a first space containing a portion of the cable, and a second space for containing the support unit. The support unit is movable between (i) a first position providing access to the data storage elements and (ii) a second position in which the data storage elements are located within the second space. The cable is a ribbon cable comprising power wires having a relatively large gauge and signal wires having a relatively small gauge. | 05-24-2012 |
20120212909 | Data Storage Apparatus - Data storage apparatus comprising a main housing containing an electric power supply, a panel supporting a plurality of electric connectors for connecting the power supply to other component parts of the apparatus and a plurality of units. Each of the units comprises a plurality of data storage elements and is mounted to slide from within the main housing to provide access to its data storage elements. | 08-23-2012 |
20140173186 | Journaling RAID System - A method of providing data storage is disclosed that includes writing a plurality of data non-sequentially to at least one first storage drive, the at least one first storage drive having a random first input/output operations per second (IOPS) speed, and writing the plurality of data and an associated plurality of journal metadata sequentially to at least one second storage drive, the at least one second storage drive having a second random IOPS speed that is slower than the first random IOPS speed. | 06-19-2014 |
Patent application number | Description | Published |
20090309019 | FAIMS Apparatus Comprising Source of Dry Gas - An ion mobility spectrometer has an inlet opening into an ionization region including a conventional ionization source. A series of several charged, circular electrode plates with aligned apertures extending therethrough provides a drift region on the opposite side of the ionization region from the inlet. A gas inlet connected to a source of clean, dry flushing gas opens between the ends of the drift region, with the gas flowing against the ion flow to one side to remove water molecules from the analyte. Gas flowing in the opposite direction is effective to help drive the dry analyte ions to an analysis region provided by two parallel asymmetric field plates. | 12-17-2009 |
20100127164 | Ion Mobility Spectrometer Comprising Two Drift Chambers - An ion mobility spectrometer has two drift chambers and a common, doped reaction region. Each drift chamber includes an ion modifier, such as one that fragments the doped ions by a high electrical field. One of the drift chambers is doped and the other is undoped. In this way, the dopant adducts are removed by the modification process but then recombine with dopant only in the doped chamber so that different outputs are produced by the two drift chambers. | 05-27-2010 |
20100276587 | Detectors And Ion Sources - A field asymmetric ion mobility spectrometer (FAIMS) has an analyte ion source assembly by which an analyte substance is ionized and supplied to the inlet of the spectrometer. The ion source assembly has an upstream source of clean, dry air and two ion sources of opposite polarity arranged at the same distance along the flow path. The ion sources are arranged so that the overall charge of the plasma produced is substantially neutral. The analyte substance is admitted via an inlet downstream of the ion sources and flows into a reaction region of enlarged cross section to slow the flow and increase the time for which the analyte molecules are exposed to the plasma. | 11-04-2010 |
20110291000 | Ion Mobility Spectrometer Comprising Two Drift Chambers - An ion mobility spectrometer has two drift chambers and a common, doped reaction region. Each drift chamber includes an ion modifier, such as one that fragments the doped ions by a high electrical field. One of the drift chambers is doped and the other is undoped. In this way, the dopant adducts are removed by the modification process but then recombine with dopant only in the doped chamber so that different outputs are produced by the two drift chambers. | 12-01-2011 |
20130056632 | Detectors And Ion Sources - A field asymmetric ion mobility spectrometer (FAIMS) has an analyte ion source assembly by which an analyte substance is ionized and supplied to the inlet of the spectrometer. The ion source assembly has an upstream source of clean, dry air and two ion sources of opposite polarity arranged at the same distance along the flow path. The ion sources are arranged so that the overall charge of the plasma produced is substantially neutral. The analyte substance is admitted via an inlet downstream of the ion sources and flows into a reaction region of enlarged cross section to slow the flow and increase the time for which the analyte molecules are exposed to the plasma. | 03-07-2013 |
Patent application number | Description | Published |
20090082992 | METHOD FOR DETERMINING POSITIONS OF POINTS TO BE MEASURED - A position determination method for a set of new points to be surveyed, using a geodetic device and reference points whose positions in an absolute coordinate system are known. The position determination is effected by referencing the new points relative to a set of reference points and measurement of the reference points and of the new points in a relative coordinate system for referencing by the geodetic device—relative measured quantities being registered. Furthermore, the new points and the reference points are updated by successive addition in each case of the measured new points and reference points to the set of new points and set of reference points, respectively, and updating the position determination of the new points taking into account all of the respective actual reference points is effected if a specified minimum coefficient of determination for the referencing is ensured by the actual set of reference points. | 03-26-2009 |
20110285592 | POSITION DETERMINATION METHOD AND GEODETIC MEASURING SYSTEM - Position determination method for a target point, using a geodetic measuring device, such as a total station or a theodolite, having a distance and angle measurement functionality, a sighting device, and a first radio module, and using a hand-held data processing device, such as a data logger for the measuring device, having a second radio module. The data processing device is positioned within a specified radius of the target point. As part of the method, a radio connection is established between the first and the second radio modules, and the position of the target point is determined. A rough distance between the first and the second radio modules is determined based on a propagation time of interrogation and/or response signals of the radio connection and is used to locate the target—as displaying, detecting, identifying, and/or sighting the target point—or to exclude further possible target point candidates. | 11-24-2011 |
Patent application number | Description | Published |
20110300798 | Derivation of a clock signal in a near field communication device - A near field communications (NFC) device is disclosed that load modulates and regulates a radio frequency (RF) signal. The NFC device includes a rectifier that rectifies the RF signal to provide a direct current voltage. The NFC device also includes a modulator that modulates a data signal. The modulator provides a first voltage when the data signal is at a first level and provides a second voltage when the data signal is at a second level. The NFC device utilizes a regulator to regulate and to load modulate the RF signal. The regulator adjusts an impedance based upon a comparison of the DC voltage provided by the regulator to the first voltage provided by the modulator for the data signal at the first level or to the second voltage provided by the modulator for the data signal at the second level. | 12-08-2011 |
20120003930 | Near Field RF Communications Apparatus | 01-05-2012 |
20120126877 | DEMODULATION MIXING FOR A NEAR FIELD COMMUNICATIONS (NFC) DEVICE - An in-phase, quadrature phase (IQ) mixer for a near field communications (NFC) device is disclosed that includes a signal provider that provides an in-phase (I) mixing signal and a quadrature phase (Q) mixing signal so that the period of the I mixing signal is equal to a period for the Q mixing signal. A controller is configured to control the signal provider so that the average of the I mixing signal over two periods is minimized and the average of the Q mixing signal over two periods is also minimized. The controller is also configured to control the signal provider so that the average propagation delay for the I mixing signal and the Q mixing signal is minimized individually and relative to each other. | 05-24-2012 |
20130337744 | NFC Device Combining Components of Antenna Driver and Shunt Regulator - Embodiments of the present disclosure can be used to produce smaller, more compact antenna drivers at a reduced cost. Systems and methods for integrating components of an antenna driver with components of a shunt regulator and clamp are provided. By combining these components according to embodiments of the present disclosure, transistor count in an antenna driver can be reduced. This integrated device advantageously allows antenna driver functionality, regulator functionality, and clamp control functionality to be provided at a reduced manufacturing cost and with reduced real estate. | 12-19-2013 |
20130344805 | AUTOMATIC GAIN CONTROL FOR AN NFC READER DEMODULATOR - An apparatus and method is disclosed to provide improved NFC communications. A first NFC device antenna transmits information to a second NFC device by driving an antenna module with a current to generate a magnetic field. The magnetic field is modulated and the information is transmitted according to a first set of operating parameters. A second NFC device harvests power from the magnetic field and communicates information to the first NFC device by modulating the magnetic field according to a second set of operating parameters, which is received by the first NFC device. The first NFC device recovers a signal metric from the modulated magnetic field. The first NFC device uses the signal metric to provide feedback regarding the second set of operating parameters. Various systems are presented to utilize the signal metric feedback and provide efficient and reliable communications between the first and second NFC devices. | 12-26-2013 |
20140003548 | NFC Device with PLL Controlled Active Load Modulation | 01-02-2014 |
20150105016 | NFC Device With PLL Controlled Active Load Modulation - A wireless communication device for communicating in the near-field via active load modulation. The device including an antenna configured to receive a magnetic field, a recovery device configured to recover a clock from the magnetic field, and a multiplexer configured to receive the recovered clock and a reference clock, and to output one of the recovered clock and the reference clock based on a current operational state of the wireless communication device, The wireless communication device further including a shunt regulator configured to produce the active load modulation by modulating an impedance of the wireless communication device, a phase-locked loop (PLL) configured to receive one of the recovered clock and the reference clock and to utilize the received clock to control the active load modulation, and a driver configured to contribute to the active load modulation by adjusting an amplitude of a voltage across the antenna. | 04-16-2015 |
20150140929 | Recovering Data in a Near Field Communication Apparatus - A communication device is disclosed that includes an antenna circuit with coupling connections that are used interchangeably as a receive coupling connection and a transmit coupling connection for an RF signal. A driver maintains a constant voltage or a constant current on a first coupling connection of the antenna circuit based on a drive signal that includes an output voltage and an output current. A demodulator extracts modulation from the RF signal based on a fluctuating voltage or a fluctuating current on a second coupling connection of the antenna circuit. | 05-21-2015 |
20150223014 | Regulation and Load Modulation in a Near Field Communication Device - A near field communications (NFC) device is disclosed that load modulates and regulates a radio frequency (RF) signal. The NFC device includes a rectifier that rectifies the RF signal to provide a direct current voltage. The NFC device also includes a modulator that modulates a data signal. The modulator provides a first voltage when the data signal is at a first level and provides a second voltage when the data signal is at a second level. The NFC device utilizes a regulator to regulate and to load modulate the RF signal. The regulator adjusts an impedance based upon a comparison of the DC voltage provided by the regulator to the first voltage provided by the modulator for the data signal at the first level or to the second voltage provided by the modulator for the data signal at the second level. | 08-06-2015 |
20150229363 | NFC Device Combining Components of Antenna Driver and Shunt Regulator - Embodiments of the present disclosure can be used to produce smaller, more compact antenna drivers at a reduced cost. Systems and methods for integrating components of an antenna driver with components of a shunt regulator and clamp are provided. By combining these components according to embodiments of the present disclosure, transistor count in an antenna driver can be reduced. This integrated device advantageously allows antenna driver functionality, regulator functionality, and clamp control functionality to be provided at a reduced manufacturing cost and with reduced real estate. | 08-13-2015 |
Patent application number | Description | Published |
20080204326 | PATCH ANTENNA - A patch antenna for achieving a vertically-polarized radiation pattern is described. The patch antenna includes a closed-curve slot within which a signal feed point is located. Parasitic slots are disposed outside or inside the closed-curve slot. In one embodiment, the closed-curve slot is a ring slot and the parasitic slots are arc slots having a common center point with the ring slot. The antenna may further include a lower patch capable of producing a different radiation pattern with different polarization and at a different frequency band, to result in a dual-band antenna. The dual-band antenna may operate in the 5.9 GHz DSRC and 1.575 GHz GPS bands. | 08-28-2008 |
20090201169 | Real-Time Location Systems and Methods - A real-time location system for identifying and locating tagged items. The system may include an identification protocol that tracks in-network transponders and assigns dynamic in-network identification numbers to in-network transponders. The system includes a locator function that employs time-of-arrival analysis. Rather than attempt to synchronize the time base at each reader, the system and process eliminate the need to sync the readers and also eliminate the impact of differential receive delays in the respective readers. Both the transponder and a master reader transmit locate signals, which are measured at slave readers. The system relies on differences in time-of-arrival of the two signals at the respective slave readers to determine the likely location of the transponder. | 08-13-2009 |
20090231161 | REAL-TIME VEHICLE POSITION DETERMINATION USING COMMUNICATIONS WITH VARIABLE LATENCY - A system and method for predicting the location of a vehicle in an electronic toll collection system employing a wide area communication protocol. The vehicle includes a transponder that sends reports regarding the position of the vehicle and the time at which the position was determined. The system includes a vehicle position predictor for estimating the future position of the vehicle within a roadway based on two or more reports of past positions and the times at which they were recorded. Speed data or other data impacting likely future position may also be reported and factored into the estimate. The estimate of future position may be used in connection with triggering enforcement measures, timing a toll transaction, integrating wide area toll communications into a legacy toll transaction system, or for other applications. | 09-17-2009 |
20100237998 | ADAPTIVE COMMUNICATION IN AN ELECTRONIC TOLL COLLECTION SYSTEM - An adaptive communication system and method for use in an electronic toll collection system utilizing transponders located in vehicles travelling on a toll roadway. A transponder memory stores configuration type data that identifies the type of the vehicle carrying the transponder, the transponder or the transponder's mounting. The transponder transmits the configuration type data to the communication system. The communication system includes a memory which contains a database of predetermined communication parameters for various types of configuration types. The communication system looks up the predetermined communication parameters for the configuration type and adjusts variable communication parameters accordingly. Predetermined communication variables may include the transmit power of an antenna, or the receive sensitivity of the antenna or the position of the vehicle in order to maximize the likelihood of a successful communication. | 09-23-2010 |
20100245126 | ENHANCED TRANSPONDER PROGRAMMING IN AN OPEN ROAD TOLL SYSTEM - A transponder communication system and method for communicating with a transponder in an electronic toll collection system. A roadside reader attempts to program the transponder in a normal mode in which a programming signal is transmitted to a first coverage area. If the programming attempt in the normal mode is unsuccessful, the reader attempts to program the transponder in an enhanced mode in which a programming signal is transmitted to a second coverage area. The coverage area is adjusted after the programming attempt in the normal mode by using an adjacent antenna to the antenna used to transmit in the normal mode or by increasing the power of the programming signal to a level that is greater than the level used to transmit the programming signal in the normal mode. | 09-30-2010 |
20130127643 | REAL-TIME VEHICLE POSITION DETERMINATION USING COMMUNICATIONS WITH VARIABLE LATENCY - A system and method for predicting the location of a vehicle in an electronic toll collection system employing a wide area communication protocol. The vehicle includes a transponder that sends reports regarding the position of the vehicle and the time at which the position was determined. The system includes a vehicle position predictor for estimating the future position of the vehicle within a roadway based on two or more reports of past positions and the times at which they were recorded. Speed data or other data impacting likely future position may also be reported and factored into the estimate. The estimate of future position may be used in connection with triggering enforcement measures, timing a toll transaction, integrating wide area toll communications into a legacy toll transaction system, or for other applications. | 05-23-2013 |
20140132398 | METHODS FOR PROLONGING BATTERY LIFE IN TOLL TRANSPONDERS - A transponder, such as an electronic toll transponder, is configured to recognize when it is being subjected to consistent and repeated trigger signals over an extended period of time and, in response, the transponder enters a reduced-responsiveness state. In the reduced-responsiveness state, the transponder may only intermittently respond to detected trigger signals. The transponder may recognize when the repeated trigger signal situation has been resolved and then return to normal responsiveness. | 05-15-2014 |
20140285360 | ENHANCED TRANSPONDER PROGRAMMING IN AN OPEN ROAD TOLL SYSTEM - Systems, Methods, and Apparatus for enhanced transponder programming in an open road toll system are disclosed. An example method includes transmitting, in a normal mode, a programming signal from one of the antennas over a first coverage area to instruct the transponder to store data in its memory, the data being contained in the programming signal. The example method further includes determining that the transponder did not store the data in its memory. Based on the determination that the transponder did not store the data in its memory the programming signal is transmitted in an enhanced mode, from one antennas over a second coverage area. | 09-25-2014 |
20140357202 | ADAPTIVE ECHO CANCELLATION FOR RFID SYSTEMS - A radio-frequency identification (RFID) reader having fast-adaptive echo cancellation for backscatter-modulated signals is described. The echo cancellation includes subtracting an RF-level cancel signal from the received signal, where the cancel signal is generated based upon an error measured in the receive signal after down-conversion to baseband and low-pass filtering. The cancel signal is based upon a cumulative sum or integral of error signals and an estimated complex-valued transfer function of the scaling circuit. Methods of quick calibration of the reader are described, including accounting for circuit offsets and determining the estimated complex-valued transfer function. | 12-04-2014 |
20150054675 | METHODS AND SYSTEMS FOR DETERMINING A RANGE RATE FOR A BACKSCATTER TRANSPONDER - Methods for determining a range rate of a backscatter transponder and readers implementing the methods are described. The reader transmits a continuous wave signal and receives a modulated reflected response signal from the transponder, mixes the modulated reflected response signal with the carrier frequency to produce a downconverted signal, bandpass filters the downconverted signal to pass a bandpass filtered signal containing at least the modulation frequency, applies a non-linear amplitude transfer function to produce a modulation-suppressed signal, and measures the frequency of the modulation-suppressed signal and determines the range rate from the measured frequency. | 02-26-2015 |
20150054676 | METHODS AND SYSTEMS FOR DETERMINING VEHICLE POSITION IN AN AUTOMATIC VEHICLE IDENTIFICATION SYSTEM - Methods of estimating vehicle location in a roadway using an automatic vehicle identification system are described. The methods involve receiving a set of response signals from a vehicle-mounted transponder at points in time and determining a range rate of the transponder relative to the antenna at each point in time; identifying a minima in the magnitude of the range rate; estimating a first position of the transponder at a first time corresponding to the occurrence of the minima; estimating a velocity of the vehicle based upon one or more of the determined range rates; and estimating a second position of the transponder based upon the first position and the velocity. | 02-26-2015 |
Patent application number | Description | Published |
20090292599 | TRANSACTIONAL ADVERTISING - A method of transactional advertising includes providing a transactional advertising platform for presenting offers to a user who is committed to complete an electronic transaction; selecting an offer to present based on at least two of the following associated with the transaction: a transaction amount, a payment type, a shipment address, and a shopping cart contents; and presenting the offer to the user based on a user level of commitment to complete the electronic transaction and based on the status of the transaction. The user level of commitment includes one of an indication of non-payment, an indication of payment, and an indication of indecision to pay. The transaction status includes one of needs incentive to transact, method of payment provided, payment approved, and payment complete. | 11-26-2009 |
20120197716 | METHODS FOR AN ALTERNATIVE PAYMENT PLATFORM - Methods and systems are provided for providing an alternative payment platform, including method and systems for providing a platform for presenting an alternate offer to a user who is engaged with a primary offer and receiving an indication of the user's engagement with the alternate offer, wherein the user's engagement with the alternate offer serves as an alternative form of payment for an item associated with the primary offer. Such methods and systems may further include methods and systems for selecting one or more alternate offers engagement with which serves as an alternative form of payment for an item associated with a primary offer, presenting the selected alternate payment offers to a user, receiving an indication of engagement with at least one of the alternate offers, receiving payment in exchange for presenting the accepted offer and providing payment to the offeror of the primary offer. | 08-02-2012 |
20120197717 | METHODS FOR AN ALTERNATIVE PAYMENT PLATFORM - Methods and systems are provided for providing an alternative payment platform, including method and systems for providing a platform for presenting an alternate offer to a user who is engaged with a primary offer and receiving an indication of the user's engagement with the alternate offer, wherein the user's engagement with the alternate offer serves as an alternative form of payment for an item associated with the primary offer. Such methods and systems may further include methods and systems for selecting one or more alternate offers engagement with which serves as an alternative form of payment for an item associated with a primary offer, presenting the selected alternate payment offers to a user, receiving an indication of engagement with at least one of the alternate offers, receiving payment in exchange for presenting the accepted offer and providing payment to the offeror of the primary offer. | 08-02-2012 |
20120197730 | METHODS FOR AN ALTERNATIVE PAYMENT PLATFORM - Methods and systems are provided for providing an alternative payment platform, including method and systems for providing a platform for presenting an alternate offer to a user who is engaged with a primary offer and receiving an indication of the user's engagement with the alternate offer, wherein the user's engagement with the alternate offer serves as an alternative form of payment for an item associated with the primary offer. Such methods and systems may further include methods and systems for selecting one or more alternate offers engagement with which serves as an alternative form of payment for an item associated with a primary offer, presenting the selected alternate payment offers to a user, receiving an indication of engagement with at least one and providing payment to the offeror the primary offer. | 08-02-2012 |
20120197731 | METHODS FOR AN ALTERNATIVE PAYMENT PLATFORM - Methods and systems are provided for providing an alternative payment platform, including method and systems for providing a platform for presenting an alternate offer to a user who is engaged with a primary offer and receiving an indication of the user's engagement with the alternate offer, wherein the user's engagement with the alternate offer serves as an alternative form of payment for an item associated with the primary offer. Such methods and systems may further include methods and systems for selecting one or more alternate offers engagement with which serves as an alternative form of payment for an item associated with a primary offer, presenting the selected alternate payment offers to a user, receiving an indication of engagement with at least one of the alternate offers, receiving payment in exchange for presenting the accepted offer and providing payment to the offeror of the primary offer. | 08-02-2012 |
20120209668 | DYNAMICALLY SERVING CONTENT TO SOCIAL NETWORK MEMBERS - From a third-party process within a social network having a platform policy, a graph of a social network member is queried. The results of the query are passed to a matching process, without violating the platform policy. Content is requested from the process. In response to passing the results, a description of content is received. The content is caused to be made available to the social network member. | 08-16-2012 |
20120209908 | DYNAMICALLY SERVING CONTENT TO SOCIAL NETWORK MEMBERS - From outside a social network having a platform policy, causing a third-party program within the social network to query a social graph of a social network member. The results of the query are accessed without violating the platform policy. Based on the results, content is identified to serve to the social network member. The third-party program within the social network is caused to make the content available to the social network member. | 08-16-2012 |