Patent application number | Description | Published |
20080218273 | TUNABLE RF BANDPASS TRANSCONDUCTANCE AMPLIFIER - Aspects of the disclosure can provide a bandpass transconductance amplifier that can include a minuend transconductance amplifier that converts a voltage signal to a first current and a subtrahend transconductance amplifier that converts the voltage signal to a second current having substantially the same amplitude as the first current but opposite polarity in both a first and a second stopband. The second current can have a substantially smaller amplitude than the first current in a passband. The disclosed bandpass transconductance amplifier can also include a controller that can tune the passband and the stopbands and a summing circuit that can add the first current and the second current. | 09-11-2008 |
20100291881 | PUSH-PULL LOW-NOISE AMPLIFIER WITH AREA-EFFICIENT IMPLEMENTATION - An amplifier integrated circuit (IC) includes a push-pull configuration including a push stage and a pull stage. A first loop of wire is configured to form a first degeneration inductance of the push stage. A second loop of wire is configured to form a first degeneration inductance of the pull stage. The first and second loops are concentric. | 11-18-2010 |
20100295599 | Transmit Architecture for Wireless Multi-Mode Applications - In one embodiment, an apparatus includes an upconversion unit configured to upconvert a baseband signal to a radio frequency (RF) signal. A plurality of baluns for a plurality of wireless bands are provided. Multiplexing circuitry is coupled to the plurality of baluns where the upconversion unit is coupled to each balun through the multiplexing circuitry. The multiplexing circuitry is configured to multiplex the radio frequency signal from the upconversion unit to one of the plurality of baluns based on a wireless band being used. | 11-25-2010 |
20100330931 | SYSTEM AND TRANSCEIVER CLOCKING TO MINIMIZE REQUIRED NUMBER OF REFERENCE SOURCES IN MULTI-FUNCTION CELLULAR APPLICATIONS INCLUDING GPS - A system comprises a first clock module configured to generate a first clock reference that is not corrected using automatic frequency correction (AFC). A global position system (GPS) module is configured to receive the first clock reference. An integrated circuit for a cellular transceiver includes a system phase lock loop configured to receive the first clock reference, to perform AFC, and to generate a second clock reference that is AFC corrected. | 12-30-2010 |
20110188612 | DC OFFSET CANCELLATION IN DIRECT CONVERSION RECEIVERS - A method includes receiving a signal using a direct conversion receiver, while the receiver is set at a gain that is selected from a range of possible gain values. Multiple DC offset correction values are provided for use by a DC offset cancellation loop, each DC offset correction value being associated with a respective sub-range of the range of the possible gain values. A DC offset correction value is selected from among the multiple DC offset correction values based on the gain to which the receiver is set. A DC offset in the signal is canceled by setting the DC offset cancellation loop to the selected DC offset correction value. | 08-04-2011 |
20110217945 | DUAL CARRIER AMPLIFIER CIRCUITS AND METHODS - In one embodiment, the present disclosure includes a circuit comprising first and second transconductance stages that receive an RF signal and a current combiner circuit. The current combiner circuit couples current from the first transconductance stage to (i) one of a first output path or a second output path or (ii) both the first output path and second output path. The current combiner circuit decouples current from the second transconductance stage from both the first output path and second output path when the first transconductance stage couples current to one of the first output path or the second output path. The current combiner circuit couples current from the second transconductance stage to both the first output path and the second output path when the first transconductance stage couples current to both the first output path and the second output path. | 09-08-2011 |
20120027121 | Modular Frequency Divider and Mixer Configuration - A system including a first frequency divider, a plurality of second frequency dividers, and a control module. The first frequency divider includes a first plurality of components and is configured to divide an input frequency of an input signal to generate a first signal having a first frequency and a first phase. Each of the plurality of second frequency dividers includes a second plurality of components and is configured to divide the input frequency of the input signal to generate a second signal having the first frequency and a second phase. The control module is configured to connect the second plurality of components of one of the second frequency dividers to the first plurality of components of the first frequency divider. | 02-02-2012 |
20120170617 | Frequency and Q-Factor Tunable Filters Using Frequency Translatable Impedance Structures - A system includes an input node, a frequency translatable impedance (FTI) filter, and a radio frequency (RF) downconverter module. The input receives an input signal having first and second components. The FTI filter filters the second components. The RF downconverter module receives the first components and downconverts the first components. Both the FTI filter and the RF downconverter module communicate with the input node. | 07-05-2012 |
20130052966 | System and Transceiver Clocking to Minimize Required Number of Reference Sources in Multi-Function Cellular Applications Including GPS - A system includes a first clock module, a global positioning system (GPS) module, a phase-locked loop (PLL) module, a cellular transceiver, and a baseband module. The first clock module generates a first clock reference. The GPS module operates in response to the first clock reference. The WLAN module operates in response to the first clock reference. The PLL module generates a second clock reference by performing automatic frequency correction (AFC) on the first clock reference in response to an AFC signal. The cellular transceiver receives radio frequency signals from a wireless medium and generates baseband signals in response to the received radio frequency signals. The baseband module receives the baseband signals, operates in response to a selected one of the first clock reference and the second clock reference, and generates the AFC signal in response to the baseband signals. | 02-28-2013 |
20130113568 | PUSH-PULL LOW-NOISE AMPLIFIER WITH AREA-EFFICIENT IMPLEMENTATION - An amplifier integrated circuit (IC) includes a push-pull configuration including a push stage and a pull stage. A first loop of wire is configured to form a first degeneration inductance of the push stage. A second loop of wire is configured to form a first degeneration inductance of the pull stage. The first and second loops are concentric. | 05-09-2013 |
20130244598 | MODULAR FREQUENCY DIVIDER AND MIXER CONFIGURATION - A transmitter including a first mixer, a first frequency divider to divide a frequency of an input signal to generate a first signal, and a plurality of second frequency dividers to divide the frequency to respectively generate a plurality of second signals, and a control module. In response to the transmitter being turned on, the control module turns on the first frequency divider, turns off the plurality of second frequency dividers, and drives the first mixer with the first signal. Subsequently, in response to determining that a transmit power of the transmitter is to be increased, the control module sequentially turns on and connects each of the plurality of second frequency dividers in parallel to the first frequency divider. Upon a second frequency divider being connected to the first frequency divider, the control module also drives the first mixer using the second signal generated by that second frequency divider. | 09-19-2013 |
20130293303 | Dual Carrier Amplifier Circuits And Methods - A circuit includes first and second transconductance stages that generate first and second currents, respectively, in response to an input signal. A current combiner circuit selectively couples the first current to a first output, selectively couples the second current to the first output, selectively couples the first current to a second output, and selectively couples the second current to the second output. In response to the first current being coupled to both the first and second outputs, the current combiner circuit couples the second current to both the first and second outputs. In response to the first current being decoupled from the second output, the current combiner circuit decouples the second current from both the first and second outputs. In response to the first current being decoupled from the first output, the current combiner circuit decouples the second current from both the first and second outputs. | 11-07-2013 |
20140105331 | DC OFFSET CANCELLATION IN DIRECT CONVERSION RECEIVERS - A method includes receiving a signal using a direct conversion receiver, while the receiver is set at a gain that is selected from a range of possible gain values. Multiple DC offset correction values are provided for use by a DC offset cancellation loop, each DC offset correction value being associated with a respective sub-range of the range of the possible gain values. A DC offset correction value is selected from among the multiple DC offset correction values based on the gain to which the receiver is set. A DC offset in the signal is canceled by setting the DC offset cancellation loop to the selected DC offset correction value. | 04-17-2014 |
20150038095 | TRANSMIT ARCHITECTURE FOR WIRELESS MULTI-MODE APPLICATIONS - In one embodiment, an apparatus includes an upconversion unit configured to upconvert a baseband signal to a radio frequency (RF) signal. A plurality of baluns for a plurality of wireless bands are provided. Multiplexing circuitry is coupled to the plurality of baluns where the upconversion unit is coupled to each balun through the multiplexing circuitry. The multiplexing circuitry is configured to multiplex the radio frequency signal from the upconversion unit to one of the plurality of baluns based on a wireless band being used. | 02-05-2015 |
Patent application number | Description | Published |
20140011467 | System And Transceiver Clocking To Minimize Required Number Of Reference Sources In Multi-Function Cellular Applications Including GPS - A system includes a first clock module, a global positioning system (GPS) module, a phase-locked loop (PLL) module, a cellular transceiver, and a baseband module. The first clock module generates a first clock reference. The GPS module operates in response to the first clock reference. The WLAN module operates in response to the first clock reference. The PLL module generates a second clock reference by performing automatic frequency correction (AFC) on the first clock reference in response to an AFC signal. The cellular transceiver receives radio frequency signals from a wireless medium and generates baseband signals in response to the received radio frequency signals. The baseband module receives the baseband signals, operates in response to a selected one of the first clock reference and the second clock reference, and generates the AFC signal in response to the baseband signals. | 01-09-2014 |
20140044224 | FREQUENCY AND Q-FACTOR TUNABLE FILTERS USING FREQUENCY TRANSLATABLE IMPEDANCE STRUCTURES - A system including a filter and a downconverter. The filter is configured to receive, from a node, (i) a first signal and (ii) a second signal, and filter the second signal. The filter includes a first input impedance. The filter comprises a first plurality of switches and a first circuit. The first plurality of switches is configured to communicate with the node. The first plurality of switches is clocked at a first frequency. The first frequency is based on a frequency of the first signal. The first circuit is configured to communicate with an output of the plurality of switches. The first circuit includes a second input impedance. The second input impedance is different than the first input impedance. The downconverter is configured to (i) receive the first signal and (ii) downconvert the first signal. The filter and the downconverter are connected in parallel to the node. | 02-13-2014 |
20140235189 | Clock multiplexing for baseband automatic frequency correction - A wireless communications system includes a clock module, a communications module, a receiver module, and a baseband module. The clock module is configured to generate a first clock reference. The communications module is configured to operate in response to the first clock reference and independent of a corrected clock reference. The corrected clock reference is generated by performing automatic frequency correction on the first clock reference according to an automatic frequency correction signal. The receiver module is configured to (i) receive radio frequency signals from a wireless medium, and (ii) in response to the corrected clock reference, generate baseband signals based on the received radio frequency signals. The baseband module is configured to (i) receive the baseband signals, and (ii) in response to a selected one of the first clock reference and the corrected clock reference, generate the automatic frequency correction signal based on the baseband signals. | 08-21-2014 |
20150236672 | Wireless Communications System including Dual-Purpose Clock Reference for Global Positioning System and Baseband - A wireless communications system includes a clock module, a global positioning system (GPS) module, an integrated circuit for a cellular transceiver, and a baseband module. The clock module is configured to generate a first clock reference that is not corrected using automatic frequency correction (AFC). The GPS module is configured to operate in response to the first clock reference. The integrated circuit includes a system phase lock loop (PLL) configured to (i) operate in response to the first clock reference, and (ii) generate a corrected clock reference by performing AFC on the first clock reference in response to an AFC signal. The baseband module is configured to (i) operate in response to the first clock reference from the clock module, and (ii) generate the AFC signal. | 08-20-2015 |
Patent application number | Description | Published |
20100318360 | METHOD AND SYSTEM FOR EXTRACTING MESSAGES - The present invention is a method and system for extracting messages from a person using the body features presented by a user. The present invention captures a set of images and extracts a first set of body features, along with a set of contexts, and a set of meanings. From the first set of body features, the set of contexts, and the set of meanings, the present invention generates a set of words corresponding to the message that the person is attempting to convey. The present invention can also use the body features of the person in addition to the voice of the person to further improve the accuracy of extracting the person's message. | 12-16-2010 |
20110012718 | METHOD AND SYSTEM FOR DETECTING GAPS BETWEEN OBJECTS - The present invention is directed to a method and system to determine gaps, such as parking spaces, between objects. A sensor acquires a set of scanning data. A noise filter unit filters the set of scanning data and a data derivative unit generates a set of derivative data from the set of scanning data. A data analysis unit determines locations of gaps by selectively analyzing the set of derivative data which exceed a first predetermined distance and/or a second predetermined distance. The gap definition unit determines the substantial locations, shapes, and sizes of the gaps based on the previously defined location from the data analysis unit. A report generation unit generates a report including the set of gaps defined by the gap definition unit. The report is displayed on a display in a color coded format easily visible and discernable to a driver of the automobile. | 01-20-2011 |
20110091311 | HIGH EFFICIENCY TURBINE SYSTEM - The present invention is a high efficiency turbine system which can increase a pressure differential between an upstream location and a downstream location. The turbine system includes a propeller attached to a shaft, which can both be located in a shroud. The shroud includes a projection, such as a brim, which protrudes inward and/or outward from the shroud. The projection includes brim units arranged asymmetrically and/or in repeating patterns to generate various vortex and swirl patterns. The brim units can have a different size, shape, width, and/or height than an adjacent brim unit. The brim units can be arranged in a non-parallel manner and can be rotatable. Furthermore, the brim units can form brim groups which can be arranged asymmetrically and/or in repeating patterns to generate various swirl patterns. The turbine system can also be used in a renewable energy system, which can be used to power electronic devices. | 04-21-2011 |
20110153617 | METHOD AND SYSTEM FOR DESCRIBING AND ORGANIZING IMAGE DATA - The present invention is directed to methods and systems for describing and organizing image data. An analysis system includes a sensor, a processing unit, a machine, a database, and/or a display. The analysis system is connected to an electronic device. The sensor generates sensor data which is imported by the processing unit. The processing unit analyzes the sensor data to determine features of the sensor data such as the subject, the time, the location, the object, the event, and/or the action in the sensor data. The processing unit creates entries for the sensor data in a features index. The processing unit receives a query for an item and uses the features index to determine search results including the item, such as a location and a time of the item. The processing unit can also determine whether a machine has completed its mission using the features in the sensor data. | 06-23-2011 |
20120018232 | OMNI TRACTION WHEEL SYSTEM AND METHODS OF OPERATING THE SAME - The present invention is an omni traction wheel system, which adopts an integrated differential mechanism to generate longitudinal and lateral traction forces. The omni traction wheel system may include a rotary device that delivers two individually controllable rotational forces, the differential output of which may drive a plurality of peripheral wheels to rotate laterally, and the common output of which may drive a pair of longitudinal plates to rotate longitudinally. Accordingly, the omni traction wheel system may travel in all directions. | 01-26-2012 |
20120036905 | Optical Lock Systems and Methods - In one embodiment, the optical lock system may include an electronic control unit, a lock housing including a lock chamber, and an optical key including a multilayer photonic structure. The multilayer photonic structure may produce a unique intensity profile and includes a plurality of coating layers of high index dielectric material and a plurality of coating layers of low index dielectric. A light source may transmit a reference light to the multilayer photonic structure when the optical key is disposed within the lock chamber. A photo detector may receive an interaction light from the multilayer photonic structure and may transmit the unique intensity profile to the electronic control unit which may execute machine readable instructions to: compare the unique intensity profile to an electronic master; and cause the lock actuator to transition from a first state to a second state when the unique intensity profile corresponds to the electronic master. | 02-16-2012 |
20120040091 | Methods For Identifying Articles of Manufacture - In one embodiment, a method for identifying an article of manufacture may include: producing a plurality of multilayer photonic structures, wherein each of the plurality of multilayer photonic structures has a unique intensity profile; incorporating one of the plurality of multilayer photonic structures that produces the unique intensity profile into a coating; and generating an electronic code corresponding to the unique intensity profile of one of the plurality of multilayer photonic structures. | 02-16-2012 |
20120239242 | VEHICLE MANEUVER APPLICATION INTERFACE - A vehicle maneuver application (VMA) interface, and a VMA interface system software being executed thereon, may be used for installing, modifying, uninstalling, activating, and/or deactivating one or more VMAs. The VMA interface may include an interface processor and an interface memory. The interface processor may be configured to install the VMA to the VMA device upon receiving an installation signal, update the installed VMA upon receiving an update signal, uninstalling the installed VMA upon receiving an uninstallation signal, activating the installed VMA upon receiving an activation signal, and/or deactivating the installed VMA upon receiving a deactivation signal. The interface memory may be coupled to the interface processor, and it may be configured to store a VMA execution record related to the installed VMA. | 09-20-2012 |
20120287272 | METHOD AND SYSTEM FOR DESCRIBING AND ORGANIZING IMAGE DATA - Methods and systems for describing and organizing image data. An analysis system includes a sensor, a processing unit, a machine, a database, and/or a display. The analysis system is connected to an electronic device. The sensor generates sensor data which is imported by the processing unit. The processing unit analyzes the sensor data to determine features of the sensor data such as the subject, the time, the location, the object, the event, and/or the action in the sensor data. The processing unit creates entries for the sensor data in a features index. The processing unit receives a query for an item and uses the features index to determine search results including the item, such as a location and a time of the item. The processing unit can also determine whether a machine has completed its mission using the features in the sensor data. | 11-15-2012 |
20120310472 | SYSTEM AND METHOD FOR VERIFICATION OF DRIVER PEDAL ACTIONS - A device and a corresponding method including a vehicle data recording section having a plurality of vehicle operating characteristic sensors, a main system controller, and an event data recorder subservient to the main system controller. Also included in the device is a driver action recording section including at least one driver action sensor, a driver action system controller not subservient to the main system controller, and a driver action recorder. The at least one driver action sensor obtains information regarding actions of a driver of the vehicle concurrently with at least one of the plurality of vehicle operating characteristic sensors such that sensor data corresponding to an event is obtained independently by each of the vehicle data recording section and the driver action recording section. | 12-06-2012 |
20130190964 | INTELLIGENT NAVIGATION SYSTEM - An intelligent navigation system navigates a motor vehicle according to real-time road conditions and maneuverability conditions. The intelligent navigation system predicts and corrects potential route deviations before they actually occur. The intelligent navigation system interacts with the maneuverability of a motor vehicle, such that it can navigate the motor vehicle with very little to no human intervention. The intelligent navigation system may embody a method comprising the steps of receiving, from an input device, destination information related to a destination to be reached by the motor vehicle; receiving, from a positioning device, initial location information related to an initial location of the motor vehicle; determining, using a processor, a task for maneuvering the motor vehicle from the initial location to the destination; and instructing, using the processor, a vehicle maneuver controller to implement the task. | 07-25-2013 |
20140172290 | NAVIGATION OF ON-ROAD VEHICLE BASED ON VERTICAL ELEMENTS - A vehicle can include a navigation unit configured to determine a position of the vehicle. A detection unit can be configured to recognize position and features of objects external to the vehicle. An identification unit can be configured to identify objects expected to be detected based on a determined position of the vehicle, by comparing the recognized features to feature data of object reference data stored in a local database. When the identification unit is unable to identify an object, the identification unit can compare recognized or stored object features to the additional feature data received from a remote database. A navigation unit can update the position of the vehicle based on position data of identified objects and more accurate and safe autonomous operation of a vehicle can be achieved. | 06-19-2014 |
20140324336 | NAVIGATION OF ON-ROAD VEHICLE BASED ON VERTICAL ELEMENTS - A vehicle can include a navigation unit configured to determine a position of the vehicle. A detection unit can be configured to recognize position and features of objects external to the vehicle. An identification unit can be configured to identify objects expected to be detected based on a determined position of the vehicle, by comparing the recognized features to feature data of object reference data stored in a local database. When the identification unit is unable to identify an object, the identification unit can compare recognized or stored object features to the additional feature data received from a remote database. A navigation unit can update the position of the vehicle based on position data of identified objects and more accurate and safe autonomous operation of a vehicle can be achieved. | 10-30-2014 |
20150025731 | INTERACTIVE AUTOMATED DRIVING SYSTEM - A system, device, and methods of interactive automated driving are disclosed. One example method includes receiving a current value from one or more sensors disposed on a vehicle and determining a current vehicle state based on the current value. The method also includes generating a target vehicle state based on the current vehicle state and including a range of target values and generating a desired vehicle state. The desired vehicle state includes a desired value based on one or more driver inputs received at one or more vehicle interfaces. If the desired value falls inside the range of target values, the method also includes sending a command to one or more vehicle systems to change the vehicle state from the target vehicle state to the desired vehicle state. | 01-22-2015 |
20150375738 | RECONFIGURABLE SYSTEM WITH MINIMUM MOBILITY MODE - A method includes detecting a fault of a component of a vehicle. The method also includes providing a plurality of modes of operation for the vehicle including an engine only mode, an electric only mode, a hybrid mode, a partial engine only mode, a partial electric only mode and a partial hybrid mode. At least two of the plurality of modes of operation that avoid use of the faulty component are displayed on a display screen, and a selection of one of the at least two of the plurality of modes of operation that are displayed on the display screen is received. The method includes activating at least one electric, mechanical or software isolator to isolate or disengage at least one component associated with electric propulsion of the vehicle or at least one component associated with combustion engine propulsion of the vehicle that includes the faulty component. | 12-31-2015 |
20160039408 | RECONFIGURABLE SYSTEM WITH MINIMUM MOBILITY MODE - A method includes detecting a fault of a component of a vehicle. The method also includes providing a plurality of modes of operation for the vehicle including an engine only mode, an electric only mode, a hybrid mode, a partial engine only mode, a partial electric only mode and a partial hybrid mode. At least two of the plurality of modes of operation that avoid use of the faulty component are displayed on a display screen, and a selection of one of the at least two of the plurality of modes of operation that are displayed on the display screen is received. The method includes activating at least one electric, mechanical or software isolator to isolate or disengage at least one component associated with electric propulsion of the vehicle or at least one component associated with combustion engine propulsion of the vehicle that includes the faulty component. | 02-11-2016 |