14th week of 2009 patent applcation highlights part 40 |
Patent application number | Title | Published |
20090088029 | Devices, Systems, and Methods for Coupling Electrical Conductors - Certain exemplary embodiments can provide a system, which can comprise a lug coupler that comprises a set of bus bars. Each of the set of bus bars can be adapted to be releasably attached to a corresponding terminal of a set of terminals of a circuit breaker. The system can comprise a set of studs adapted to engage a corresponding set of apertures defined by an end connector of one of a set of electrical leads adapted to be electrically coupled to the lug coupler. | 2009-04-02 |
20090088030 | CONDUCTOR TERMINAL - A description is given of a conductor terminal ( | 2009-04-02 |
20090088031 | Electrical Connector for fuel pump - An electrical connector including a plurality of electrical contacts; and a housing. The housing includes a pre-mold housing member which has been overmolded onto the electrical contacts; and an overmold housing member which has been overmolded onto the electrical contacts and the pre-mold housing member. The pre-mold housing member comprises an exterior sealing surface which is not covered by the overmold housing member. The exterior sealing surface of the pre-mold housing member loops around an exterior lateral side of the housing which is between front and rear ends of the housing. | 2009-04-02 |
20090088032 | Open face electrical connector - An open-face electrical wire connector for forming an electrical connection to a wire connector lug wherein the wire connector lug, which is free of any sealant can be brought into engagement with another portion of a housing, which carries a sealant, to cause the sealant to flow around the wire connector lug and the electrical connection therein for on-the-go formation of a sealant covered electrical connection. | 2009-04-02 |
20090088033 | AUXILIARY POWER COUPLER - A coupler for connection of a power source to a vehicle electrical system. The coupler includes a housing arranged to be grasped by an operator, and an actuator arranged to be accessible when the housing is grasped. A plurality of electrically-conductive clasps are arranged on the housing and employ a mechanism to bias the clasps in a closed position for attachment to the vehicle electrical system. A linkage connecting the actuator to the claps is further provided to simultaneously open the clasps when the actuator is activated. | 2009-04-02 |
20090088034 | WATER INTAKE GRILL FOR PERSONAL WATERCRAFT - A water intake grill for attachment to a water intake port of a jet watercraft. The water intake grill comprising a plurality of elongate members situated in between and mounted to fore and aft mounts. The fore mount comprising a base having an angularly orientated bottom surface for receiving and attaching first ends of the elongate members and an angularly orientated top surface for mounting atop thereof a singular key element having an overall geometric configuration substantially coinciding with the geometric configuration of a first inward socket integral to a forward wall section of the water intake port. The aft mount comprising a horizontally positioned base having rearward and forward sections, the rearward section having a primary key element in association with a cylindrical riser and the forward section having a secondary key element that extends across the width of the aft mount and includes an angular edge for receiving and attaching second ends of the elongate members. Each elongate member comprising a teardrop geometric profile incorporating an outward bottom section having a general rounded appearance and a tapered top end having sides commencing from an apex and extending angularly outward therefrom toward the outward bottom section, a geometric profile of which effectively reduces the amount debris into the water intake port while allowing continued passage of water into the water intake port to yield sustained operating performance of the jet watercraft and maintain effective cooling of the combustion engine generally associated therewith. | 2009-04-02 |
20090088035 | Forward Facing Rowing System in Sit-Down or Stand Up Position - A rowing system in which a handlebar is attached to an axis that rotates when the handlebar is moved back and forth. This axis is attached to an arm loom fixed to a housing immersed in the water, at the other end. This housing supports shafts with oar blades hinged on them, and gates connected to them in parallel position. These shafts are attached with levers joined by a plate. A spring keeps the gates in the closed position, and stops the oar blades when they are pushed up by water's resistance. A cable connects these levers on the housing to one lever located on the handlebar; when this lever is pulled by the rower, the cable drags the housing's levers and opens the gates. The whole mechanism is supported by a block attached to the axis, and fixed at the boat by clamps. | 2009-04-02 |
20090088036 | SWIMMING FLIPPER - Swimming flipper comprising a shoe part from which two ribs extend laterally, and a fin part, characterised in that said fin part is connected at one end to said shoe part, while its other end is constrained to said ribs in the vicinity of their ends, the sides of said fin part being at least partly not constrained in any way to the said side ribs, all of which so that during the active and passive phases of the flipper movement the free part and the constrained part of the said fin bend in the opposite directions forming substantially an S shape. | 2009-04-02 |
20090088037 | LAMINATED FABRIC CONSTRUCTION WITH POLYOLEFIN COMPOSITIONS - Articles comprising multiple layers are included. The multiple layer articles may include fabrics, foams, films, fiber in combination with a polyolefin composition such as a film, powder, or nonwoven. | 2009-04-02 |
20090088038 | MULTILAYERED BORON NITRIDE/SILICON NITRIDE FIBER COATINGS - A composite is described which has particular utility in the formation of components for gas turbine engines. The composite broadly comprises a substrate having a surface and at least one layer of a BN/Si | 2009-04-02 |
20090088039 | Process for Producing a Sound-Insulation Part - A method for producing a noise insulation piece of mass/spring construction. The mass has, at least before a deep draw process, at least one locally defined region, with a different weight per area from the other regions. After the deep draw process, the spring layer made from an elastic light material such as two-component polyurethane foam or a mixed non-woven fiber is applied. The locally different weight per area of the mass is achieved by means of application of a granulate to a base mass layer in particular in locally differing amounts and/or thicknesses, wherein the granulate is fixed to itself and to the base mass layer by means of sintering. After deep drawing, the desired weight per area of the mass can be achieved independent of the degree of drawing. The granulate can alternatively also be applied to a thin and lightweight support layer in locally required amounts or thicknesses. | 2009-04-02 |
20090088040 | FIELD EMISSION ELECTRODE, A MANUFACTURING METHOD THEREOF, AND A MANUFACTURING APPARATUS THEREOF - A method of manufacturing a field emission electrode includes humidification processing to absorb water at a surface of an electron emission film emitting electrons as a result of application of a voltage, and voltage application processing to apply an aging voltage between the humidified electron emission film and an electrode provided facing the electron emission film. | 2009-04-02 |
20090088041 | DISPLAY SUBSTRATE MANUFACTURING METHOD AND VACUUM PROCESSING APPARATUS - A display substrate manufacturing method includes a placing step of placing a dummy substrate on a clamping surface, an evacuating step of evacuating the interior of a space formed between the clamping surface and dummy substrate, in order to bring the dummy substrate into tight contact with the clamping surface, a heating step of heating a base in order to facilitate removing, from the clamping surface, foreign particles sticking to the clamping surface, a transferring step of transferring the foreign particles sticking to the clamping surface from the clamping surface to the dummy substrate in tight contact with the clamping surface, and a removing step of removing, from the clamping surface, the dummy substrate to which the foreign particles are transferred in the transferring step. | 2009-04-02 |
20090088042 | Power Source Compartment For An Electronic Device - The present invention relates to a leak-proof compartment in which a power supply or source may be disposed. The compartment can be utilized in a children's product. In one embodiment, the children's product may include an electronic device for entertaining a child. The leak-proof compartment includes a receptacle having an opening and a cover for closing and sealing the opening. The receptacle is configured to receive the power source and the cover is placed within the opening to seal the compartment. The sealing effect of the cover prevents substances from leaking out of the compartment. | 2009-04-02 |
20090088043 | SPINNING DISC NOVELTY APPARATUS - A novelty apparatus which includes .a rotationally symmetrical hollow body having an axis; a shaft having an axis and first and second axial extremities, the axis of the shaft being disposed in the rotationally symmetrical hollow body with the axis thereof disposed substantially coincident with the axis of the rotationally symmetrical body; first and second bearings disposed at axially spaced portions of the shaft and supporting the shaft for rotational movement about the axis thereof; a disc fixed to the shaft; and a motor for driving the shaft. Some forms of the novelty apparatus include a switch and battery for connection in series to the motor. Some forms include a housing having first and second discrete sections that are dimensioned and configured to be selectively coupled together to permit selective access to the interior of the housing for installation of a battery. The selectively coupled housing sections may include mating lips. The mating lips may include a lip on the first section overlapping a lip on the second section for selectively coupling the sections together to permit selective access to the interior of the housing for installation of a battery. | 2009-04-02 |
20090088044 | INTERACTIVE INTELLECTUAL ROBOTIC TOY AND CONTROL METHOD OF THE SAME - An interactive intellectual robotic toy and control method of the same includes a main processor. At least one memory unit connects the main processor for storing motion data and sound data. A control module respectively connects the main processor and a driver module, and the driver module further connects motors. The control module receives the motion data stored in the memory unit under control of the main processor. An audio handling module connects the main processor and a speaker, the audio handling unit receives the sound data stored in the memory unit under control of the main processor. A USB module connects the main processor for renewing the data stored in the memory unit. A RFID module has a reading module connecting the main processor, a first RF antenna connecting the reading module and identification modules, each identification module has a design, a tag with an electronic code corresponding to the design, and a second RF antenna. | 2009-04-02 |
20090088045 | PLUSH TOY - A plush toy has a stuffed fabric shell having at least one shell piece with an orifice closed by a releasable fastener. A stuffing pouch stuffed with filling and having a shape generally corresponding the shell piece can be removed from and replaced in the shell to allow the shell piece to be embroidered. | 2009-04-02 |
20090088046 | TOY VEHICLE - A toy vehicle includes a plurality of wheels and an electric motor operably coupled to rotate at least one of the wheels. At least the one wheel and preferably each rotated wheel includes a hub and a tire mounted on the hub. The tire has an interior sufficiently hollow to make the wheel buoyant in water and the wheel is sufficiently sealed to prevent water penetration of the interior of the tire with the wheel immersed in water. The tire has a central portion surrounding the hub and a plurality of hollow lobes spaced from one another about the central portion. Each lobe has a pair of opposing outer sides at least one outer side being at least partially inwardly cupped to improve thrust caused by rotation of the wheel in water. | 2009-04-02 |
20090088047 | AUTOMATED SECTIONING TOMOGRAPHIC MEASUREMENT SYSTEM - A tomographic system includes a reporting device colocated and juxtaposed an object so that both are ground through grinding to various sectioning depths as the reporting device is ground down exposing a reporting marker along a length of the reporting device for indicating the depth of sectioning for accurate precise depth of grinding well suited for precise sectioned tomographic imaging. | 2009-04-02 |
20090088048 | Machining Device Comprising a Measuring Device for a Model - The invention relates to a machining device ( | 2009-04-02 |
20090088049 | METHOD FOR REMOVAL OF SURFACE FILMS FROM RECLAIM SUBSTRATES - Embodiments of the invention describe a method for reclaiming a substrate by removing surface films with media blasting. A substrate is provided having a surface film. Media blasting is performed on the substrate to remove the surface film from the surface. In one embodiment media blasting removes a film from the substrate top surface. In another embodiment media blasting removes a film from the substrate top surface and side surface. | 2009-04-02 |
20090088050 | CONDUCTIVE POLISHING ARTICLE FOR ELECTROCHEMICAL MECHANICAL POLISHING - A conductive polishing article is provided. The conductive polishing article at least has a polishing pad, cathodes and anodes. Cathodes and anodes are disposed below the polishing surface of the polishing pad, and an ion exchange membrane at least partially covers the anodes. | 2009-04-02 |
20090088051 | LEADER AND TRAILER FOR LINEAR POLISHING SHEET - A polishing article includes an elongated substantially rectangular central portion and a substantially rectangular edge portion. The central portion includes a polishing layer with a polishing surface. The central portion has a width, a length greater than the width and defining a longitudinal axis, and an edge. The edge portion extends from the edge of the central portion, the edge portion is thinner than the central portion, and the polishing layer does not extend onto the edge portion. | 2009-04-02 |
20090088052 | INLINE HANDHELD POWER TOOL - A powerhead for a hand held power tool includes a powerhead assembly, the powerhead assembly being operably couplable to a hand held motive source, the powerhead assembly having a rotatable implement, the implement being selectively rotated by the motive source when the motive source is operably coupled to the powerhead assembly, the implement further being rotatable about an implement axis, the implement axis being disposed transverse to a powerhead assembly longitudinal axis, the implement axis intersecting the powerhead assembly longitudinal axis. A hand held power tool and a powerhead of forming a powerhead for a hand held power tool are further included | 2009-04-02 |
20090088053 | METHOD AND APPARATUS FOR SHARPENING A TOOL BLADE - A device for sharpening a tool blade has a pair of spaced guide rails and a bracket for mounting a sharpening stone on the guide rails. A carriage is slidably supported on the guide rails and has a pair of spaced slide plates adjustably supporting a blade angle plate thereon. A clamp mechanism secures the tool blade on the angle plate which is secured in an adjusted position for forming a primary angle on the blade cutting edge by reciprocal movement of the carriage along the guide rails. The angle plate and attached tool blade are readjusted on the carriage for subsequently forming a secondary angle on the cutting edge of the tool blade. Printed indicia adjacent a plurality of adjustment holes formed in the slide plates set the primary and secondary angles of the cutting edge. Mating surfaces on the carriage and guide rails set the amount of material to be removed from the blade during reciprocal movement along an abrasive sharpening material. | 2009-04-02 |
20090088054 | Sanding element - The invention concerns a sanding element with a succession of overlapping lamellas ( | 2009-04-02 |
20090088055 | POLISHING WHEEL - A polishing wheel ( | 2009-04-02 |
20090088056 | GRINDING WHEEL - In a grinding wheel comprising a disc-like core member and a ring-shape grinding wheel layer wherein superabrasive grains selected from cubic boron nitride particles and diamond particles are contained together with aggregates in a bonding material, the aggregates are made of porous ceramics particles and have an average particle size which is in a range of 70% to 150% relative to the average particle size of the superabrasive grains, and bridges made of the bonding material are formed between the aggregates adjoining to one another or between the aggregates and the superabrasive grains adjoining to the aggregates. | 2009-04-02 |
20090088057 | Sharpening system having multiple abrasive components - An abrasive sharpening system having multiple sharpening stations supported on a base. One of the stations includes ceramic rods having a partial curved outer surface and a pair of flat intersecting surfaces forming a longitudinally extending abrasive edge. The base further supports a flat abrasive stone and a pair of carbide blades for sharpening. | 2009-04-02 |
20090088058 | DRIVING OF A SPLITTING TOOL HOLDER FOR AN ANIMAL CARCASS SPLITTING MACHINE - The invention relates to a device for driving a splitting tool holder intended for an animal carcass splitting machine including a main carriage having sliding guide means for a splitting tool holder; a splitting tool holder supporting a splitting tool; means for driving the splitting tool in order to make it operational; operation programming means; means for slidingly driving the tool holder carried by the main carriage and connected to the tool holder and means for controlling said driving means, characterised on the one hand, by electric driving means which can be stopped in one or several adjustable precise known positions considered as reference positions for the splitting tool; on the other hand, in that the control means are able to control not only the operation and stoppage of the electric driving means but also the adjustment in position thereof, in order to adjust the reference position of the splitting tool according to the needs; the reference positions for the splitting tool being selected among the following: initial retracted position, initial splitting position, final splitting position, final retracted position. | 2009-04-02 |
20090088059 | SAWING OF PIG CARCASSES OR THE LIKE - A method of sawing a pig carcass or the like, in which the starting point is a situation where a circular saw blade, carried by a saw head having a casing projecting from it at the front and downwards, is placed opposite and away from the top extreme part, where the hams are situated, of a carcass ready to saw, suspended head down by the rear legs, and then in a first step, the saw blade is moved transversely with a respect to and in the direction of the carcass, and then between the hams, in a second step, the saw blade being driven in rotation, the axial relative position of the carcass with respect to the saw blade being controlled, the saw blade is moved downwards from its top extreme position as far as a bottom extreme position in order to saw the carcass in two, axially, in a third step, the sawing of the carcass being ended, the saw blade is moved transversely with respect to the carcass in order to move it away from it. | 2009-04-02 |
20090088060 | EXHAUST FLUE CAP AND FILTER DEVICE FOR A GAS FIRED APPLIANCE - An exhaust flue cap and filter device for a gas fired appliance in communication with an exhaust flue opening having an outer pipe and a coaxial liner. The device includes a tubular cap with an open lower end, an opposed open upper end, and a plurality of ventilation holes wherein the cap is receivable over the flue opening. A removable top is attached to and closes the open upper end of the tubular cap. A filter tray having a smaller diameter than the tubular cap includes a ledge extending radially inward from the tray. A removable catalytic converter filter insert within the tubular cap is supported on the ledge. | 2009-04-02 |
20090088061 | Workstation enclosure - A domed shaped housing ( | 2009-04-02 |
20090088062 | Vehicle Body Pressure Relief System - A battery pack cooling and body pressure relief system for a vehicle having a passenger cabin is disclosed. The system may include an intake air flow duct connected between the passenger cabin and the battery pack, and an air flow duct connected between the exhaust air outlet and the body pressure relief valve. The system may include a one-way cabin pressure relief vent connected to the air flow duct and configured to selectively allow for air flow into the air flow duct, and may include a duct pressure relief vent connected to the air flow duct and configured to selectively allow for air flow out of the air flow duct into the vehicle. | 2009-04-02 |
20090088063 | Cabin air supercharged aircraft internal combustion engine - An aircraft having a user region therein within which pressurized air at selected pressures can be maintained using an environmental control system provided in the aircraft, and a utility region outside a utility boundary wall of the user region within which selected equipment for the aircraft is located. An internal combustion engine, provided as an intermittent combustion engine, is provided in the utility region having an air intake coupled to combustion chambers therein and a rotatable output shaft also coupled to those combustion chambers for generating force with an air transfer duct extends between the user region and the air intake so as to be capable of conveying pressurized air to that air intake. | 2009-04-02 |
20090088064 | Motor vehicle air cooling method and system - A motor vehicle air cooling method and system in which electric fans are installed in the rear side of a motor vehicle to draw hot air out of the inside space of the motor vehicle so as to cause negative pressure in the motor vehicle for sucking outside cooling air into the inside of the motor vehicle to have the pressure inside the motor vehicle be in balance with the pressure outside the motor vehicle and to simultaneously lower the temperature in the motor vehicle after an air conditioner ventilation panel of the motor vehicle has been set in an outer loop status. | 2009-04-02 |
20090088065 | AIR EXTRACTOR TO PREVENT WIND THROB IN AUTOMOBILES - An air extraction apparatus for automotive vehicles opens an air flow path through the passenger compartment of the vehicle when wind throb conditions are sensed in the operation of the vehicle. The air extraction opening is located in a rear facing surface of the vehicle and is covered by a closure member that is movable by an actuator to selectively open the air extraction opening. The air extraction opening can be variable in cross-sectional area through the operation of the closure member to vary the rate of air flowing through the passenger compartment. The actuator is operatively coupled to a sensor that can sense wind throb conditions to affect an automatic opening of the air extraction opening. Wind throb conditions can be the existence of a single open window coupled with a minimum operating speed, or a threshold interior air pressure within the passenger compartment. | 2009-04-02 |
20090088066 | SHIELDING ELECTRONIC COMPONENTS FROM LIQUID - Shielding liquid from electronic components may be accomplished by a variety of systems, devices, and techniques. A shielding device may include a substantially vertical channel mounted to a fuel dispenser component; an airflow inlet; a plurality of arrays of angled protrusions; and a plurality of substantially vertical protrusions. The channel is adapted to guide an airflow. The plurality of arrays of angled protrusions are, disposed within the channel and are substantially parallel in arrangement within each array. The angled protrusions within each array are angularly offset in arrangement relative to the angled protrusions within adjacent arrays. The arrays of angled protrusions are adapted to form a tortuous path for the airflow through the channel. The plurality of substantially vertical protrusions are disposed within the channel and are located between the airflow inlet and the plurality of arrays. The vertical protrusions are adapted to substantially straighten the airflow within the channel. | 2009-04-02 |
20090088067 | TRICKLE VENT - A trickle vent incorporates an automatically controlled movable damper or multiple movable dampers to control the volume of fresh air entering an occupied space of a building through the trickle vent. The trickle vent includes a heating element to condition the fresh air prior to entry into the occupied space. A directional grille is provided to initiate circulation within the occupied space. | 2009-04-02 |
20090088068 | Security Method and Device for Managing Access to Multimedia Contents - A method of managing the sending of multimedia contents to a mobile terminal ( | 2009-04-02 |
20090088069 | METHOD AND SYSTEM FOR REPEATER WITH GAIN CONTROL AND ISOLATION VIA POLARIZATION - A repeater device may be utilized to enable forwarding extreme high frequency (EHF) communication between EHF-enabled wireless devices. The repeater device may utilize polarization isolation to prevent and/or reduce interference between received and transmitted EHF RF signals in the repeater device. The repeater device may utilize signal gain control to maximize the transmit signal strength while forwarding EHF RF signals to enhance and/or enable polarization isolation between received and transmitted EHF RF signals. Received Signal Strength Indicators (RSSI) may be utilize to measure signal strength of transmit and/or received EHF RF signals to enable performing signal gain control. The repeater device may utilize control connections to enable communicating with the EHF-enabled wireless devices to facilitate performing signal gain control at the repeater device. Non-EHF interfaces, for example Bluetooth, may be utilized to establish the control connections. | 2009-04-02 |
20090088070 | Methods, Systems, and Computer-Readable Media for Utilizing a Repeating Function to Improve Quality of Service - Methods, systems, and computer-readable media provide for utilizing a repeating function to improve quality of service. According to embodiments, a method for utilizing a repeating function to improve quality of service is provided. According to the method a first mobile cellular device is selected. An instruction is transmitted to the first mobile cellular device instructing the first mobile cellular device. The instruction causes the first mobile cellular device to relay communications between the second mobile cellular device and the cellular service provider. The first mobile cellular device thereby provides the repeating function for the second mobile cellular device. | 2009-04-02 |
20090088071 | METHOD AND SYSTEM FOR SIGNAL REPEATER WITH GAIN CONTROL AND SPATIAL ISOLATION - A repeater device may be utilized to enable forwarding extreme high frequency (EHF) communication between EHF-enabled wireless devices. The repeater device may utilize spatial isolation to prevent and/or reduce interference between received and transmitted EHF RF signals, wherein reception and/or transmission of EHF RF signals in the repeater device may be performed via narrow beams that may enable minimal interference by transmit EHF RF signals to reception of EHF RF. The repeater device may utilize phased arrays to enable performing beamforming, and signal processing operations, including shift and/or amplitude adjustment, may be performed on signals received and/or transmitted via antenna elements in the phased arrays to enable beamforming during reception and transmission of EHF RF signals. Signal processing operations performed in the repeater device may be modifiable to enable continued spatial isolation between receive and transmit EHF RF signal in the repeater device. | 2009-04-02 |
20090088072 | METHOD AND SYSTEM FOR COMMUNICATING UP TO EXTREME HIGH FREQUENCIES USING A MESH NETWORK OF REPEATERS - A plurality of repeater devices, each of which may enable forwarding extreme high frequency (EHF) communication between EHF-enabled wireless devices, may form a repeater mesh network. One or more routes may be formed within the repeater mesh network to enable forwarding EHF RF signals via the repeater mesh network. Different technique may be utilized, while forming routes within the repeater mesh network, to reduce and/or prevent interference that might be caused by EHF RF signals received and/or transmitted by repeater devices in the routes to other repeater devices in the repeater mesh network. These techniques may comprise frequency shifting, spatial isolation, and/or polarization isolation. Multiple routes may be utilized simultaneously to forward EHF RF communication. The simultaneous use of multiple routes may enable increasing the bandwidth and/or improving reliability of forwarding EHF RF communication within the repeater mesh network. | 2009-04-02 |
20090088073 | METHOD AND SYSTEM FOR UTILIZING EHF REPEATERS AND/OR TRANSCEIVERS FOR DETECTING AND/OR TRACKING AN ENTITY - A plurality of repeater devices may utilize extreme high frequency (EHF) interface to detect and/or track entities that may be located within the plurality of repeater devices. Each of the plurality of repeater devices may transmit EHF signals that may enable identification of the transmitting repeater device. Identification of the transmitting repeater devise may comprise use of unique information and/or transmission parameters. Each of the plurality of repeater devices may determine characteristics of received EHF signals to enable determining presence and/or location of entities within the plurality of repeater devices. These characteristics may comprise identity of transmitting repeater devices, signal power, signal amplitude, delay of signal, and/or reception angle. Non-extremely high frequency (non-EHF) connections may be utilized within the plurality of repeater devices to coordinate and/or update detection and/or tracking of entities within the plurality of repeater devices. | 2009-04-02 |
20090088074 | ENCLOSED SPACE COMMUNICATION SYSTEMS AND RELATED METHODS - Systems and methods for communication in enclosed areas. Implementations of a method may include sending a first high frequency (HF) signal using a first HF radio, receiving the first HF signal with a first medium frequency (MF) repeater, converting the first HF signal to an MF signal using the first MF repeater, and sending the MF signal to one or more second MF repeaters located in an enclosed space. The method may include receiving the MF signal with the one or more second MF repeaters, converting the MF signal to a second HF signal using the one or more second MF repeaters, and sending the second HF signal to a second HF radio. Implementations of radio communication systems may utilize MF repeaters with MF antennas which may be omnidirectional. | 2009-04-02 |
20090088075 | Method and System for Enhance Roaming and Connectivity in MIMO-Based Systems - A system and method for communicating with a first network device via a first communication link established by a plurality of transceivers, the first communication link including a plurality of wireless signals and communicating with a second network device via a second communication link established by at least one of the plurality of transceivers, the second communication link including at least one wireless signals, wherein the at least one of the plurality of the receivers terminates one of the plurality of wireless signals communicating with the first network device and at least one other one of the plurality of transceivers maintains an other one of the plurality of signals communicating with the first network device. | 2009-04-02 |
20090088076 | FLASH PAIRING BETWEEN BLUETOOTH DEVICES - In an example embodiment, a technique that allows a device unable to display a confirmation value and/or unable to receive a keyed data entry to confirm a generated confirmation value with a confirmation value produced by a second device. The confirmation value is output one character at a time. For example, for performing a six digit numerical comparison (NC), each digit is presented one at a time enabling a user to compare the output digit with the corresponding digit output by the second device. | 2009-04-02 |
20090088077 | Communications Apparatus - Communications apparatus has a short range wireless radio frequency communicator ( | 2009-04-02 |
20090088078 | PORTABLE TERMINAL HAVING BLUETOOTH MODULE AND BLUETOOTH COMMUNICATION METHOD THEREOF - A portable terminal having a Bluetooth module and a Bluetooth communication method between the portable terminal and a device having a Bluetooth module are provided. The method includes determining whether the portable terminal receives a signal from the device in a call history viewing mode, during Bluetooth communication between the portable terminal and the device, wherein the signal is generated as a volume control key of the device is operated. The method also includes scrolling and displaying the call history, in the portable terminal, according to the received signal. The call history can be searched for in the portable terminal by using a volume control key of a headset or a hands-free accessory, which is linked to the portable terminal via Bluetooth communication, thereby providing users with a convenient mode of operation. | 2009-04-02 |
20090088079 | METHOD AND SYSTEM FOR UTILIZING UNDERSAMPLING TO REMOVE IN-BAND BLOCKER SIGNALS - Methods and systems for wireless communication are disclosed and may include band-limiting a wireless signal utilizing a programmable bandpass filter, generating a first signal by undersampling utilizing a clock signal and generating a second signal by undersampling the signal utilizing a delayed version of the clock signal, which may then be subtracted from the first signal. The filter may comprise a microstrip or a coplanar waveguide bandpass filter. The delay may be variable, and may be defined as an inverse of a frequency difference between the desired channel and a blocker signal. The bandwidth of the filter may be centered at the desired channel. The clock signal may be generated at a frequency which may be an integer sub-harmonic of the desired channel, and may be greater than twice a bandwidth of the filter. The delay may be controlled by a programmable delay circuit, which may comprise CMOS inverters. | 2009-04-02 |
20090088080 | SCHEDULING BASED ON EFFECTIVE TARGET LOAD WITH INTERFERENCE CANCELLATION IN A WIRELESS COMMUNICATION SYSTEM - Techniques for scheduling users for transmission on the uplink in a wireless communication system are described. A cell may perform interference cancellation for uplink transmissions and may observe lower effective noise and interference due to interference cancellation. The lower effective noise and interference may allow the cell to operate with a higher effective target load, which may support a higher overall throughput for the cell. In one design, an effective target load for a cell using interference cancellation may be determined, e.g., based on a target rise-over-thermal (RoT) for the cell and an interference cancellation efficiency factor. An available load for the cell may be determined based on the effective target load, which may be higher than a target load for the cell without interference cancellation. Users in the cell may then be scheduled for transmission on the uplink based on the available load. | 2009-04-02 |
20090088081 | Intelligent data network with power management capabilities - In one embodiment, a method for implementing two-way communication between at least first and second devices comprises steps of: (a1) during finite time periods following transmission of respective first messages from the first device to the second device, using the first device to listen for second messages transmitted from the second device to first device; and (a2) after each of the finite time periods following the transmission of the respective first messages from the first device to the second device, ceasing to use the first device to listen for second messages transmitted from the second device to the first device until after the first device transmits another first message to the second device. In another embodiment, a method for implementing two-way communication between at least first and second devices comprises steps of: (a1) during finite time periods following reception by the second device of respective first messages from the first device, using the second device to transmit second messages to the first device; and (a2) after each of the finite time periods following reception by the second device of respective first messages from the first device, ceasing to use the second device to transmit second messages to the first device until after the second device receives another first message from the first device. | 2009-04-02 |
20090088082 | METHOD AND SYSTEM FOR MEASURING CROSS-POLARIZATION ISOLATION VALUE AND 1 dB GAIN COMPRESSION POINT - Exemplary embodiments include methods and systems for receiving a signal at a monitoring station, determining a transmit cross-polarization isolation value and/or 1 dB gain compression point based at least in part on the signal having one or more polarities; and outputting at about real-time the determination of the transmit cross-polarization isolation value and/or the 1 dB gain compression point to a user. | 2009-04-02 |
20090088083 | BASE STATION, RECEIVING DEVICE, MOBILE TERMINAL, AND FREQUENCY SHARING METHOD - A disclosed base station is used in a first wireless communication system using a first frequency band that is the same as or adjacent to a second frequency band used by a second wireless communication system, and includes a propagation loss estimation unit configured to estimate propagation loss of a signal in the first frequency band when the signal arrives at a receiving device of the second wireless communication system; a frequency difference calculation unit configured to calculate a frequency difference between the first frequency band and the second frequency band; a maximum transmission power determining unit configured to determine maximum transmission power based on the estimated propagation loss and the calculated frequency difference; and a transmission control unit configured to transmit a signal with transmission power less than or equal to the maximum transmission power determined by the maximum transmission power determining unit. | 2009-04-02 |
20090088084 | MULTI-LEVEL POINT-TO-POINT TRANSMISSION SYSTEM AND TRANSMITTER CIRCUIT AND RECEIVER CIRCUIT THEREOF - A multi-level point-to-point transmission system including at least one terminal resistor, a transmitter circuit, and a receiver circuit is disclosed. The transmitter circuit includes a first external resistor and a transmitter. The transmitter generates a first reference current according to the first external resistor and determines a current flowed through an output terminal thereof according to a transmission data and the first reference current. The receiver circuit includes a second external resistor, a third external resistor, and at least one receiver. The receiver generates a second reference current according to the second external resistor and generates a reference voltage difference according to the second reference current and the third external resistor. The receiver judges a voltage at the receiving terminal thereof according to the reference voltage difference so as to receive the transmission data correctly. | 2009-04-02 |
20090088085 | Apparatus and Methods for Frequency Control in a Multi-Output Frequency Synthesizer - Methods and circuits for synthesizing two or more signals phase-locked to a common reference frequency signal are disclosed. In one embodiment, a method comprises generating first and second output signals phase-locked to a reference clock signal, using first and second phase-locked loop circuits. In response to a detected frequency error in the first output signal, the first output signal is corrected by adjusting a frequency-division ratio in the first phase-locked loop circuit. The second output signal is corrected, separately from the correction to the first output signal, by adjusting a frequency-division ratio in the second phase-locked loop circuit, using an adjustment parameter calculated from the detected frequency error. In another exemplary method, first and second output signals are generated as described above, using first and second phase-locked loop circuits. The first output signal is corrected by adjusting a frequency-division ratio in the first phase-locked loop circuit and generating a control signal to adjust the frequency of the reference clock signal, in response to detected frequency error in the first output signal. Because the second output signal is derived from the common reference clock signal, adjustments to the reference clock frequency will also adjust the frequency of the second output signal. Additional adjustments to the second output signal may be applied in some embodiments by adjusting a frequency-division ratio in the second phase-locked loop circuits. Circuits for implementing the described methods are also disclosed. | 2009-04-02 |
20090088086 | MODIFIED DUAL BAND DIRECT CONVERSION ARCHITECTURE THAT ALLOWS EXTENSIVE DIGITAL CALIBRATION - A communication device may include one or more circuits in an integrated transmitter and receiver that includes a transmit path and a receive path. The transmit path may include an I processing baseband transmit path and a Q processing baseband transmit path. The receive path may include an I processing baseband receive path and a Q processing baseband receive path. The one or more circuits may enable sharing a first common filter by the I processing baseband transmit path and the I processing baseband receive path. The one or more circuits may also enable sharing a second common filter by the Q processing baseband transmit path and the Q processing baseband receive path. The first common filter and the second common filter are independently programmable to adjust a phase and/or a gain of the said first common filter, and/or a phase and/or a gain of the second common filter. | 2009-04-02 |
20090088087 | SINGLE POINT LOCATION TRACKING - Briefly, in accordance with one or more embodiments, the location of a mobile device within a floor plan of a building or the like environment may be determined using a single transmission link between transceiver and the mobile device. A bit error rate value and a receiver signal strength indication value are measured for the present location of the mobile device in the floor plan. The coordinates where the mobile device is located may be determined by looking up the measured bit error rate value and the received signal strength indication value in a lookup table. Due to environmental factors of the floor plan, the combination of the bit error rate value and the received signal strength indication value corresponds to a unique coordinate location in the floor plan from which the location of the mobile device may be determined. | 2009-04-02 |
20090088088 | Personal Information Communication Device and Method - Methods and systems for transmitting and receiving digital data are disclosed. In accordance with one aspect, a data communications device is disclosed. The device includes a handheld-sized housing containing circuitry including a powered region and an unpowered region. The powered region is configured to be operable in the absence of a connection to a computing system, the powered region including a programmable circuit and a wireless transceiver, the programmable circuit connected to the wireless transceiver for wirelessly exchanging files with another data communications device, the programmable circuit including a memory. The unpowered region is configured to be inoperable in the absence of a connection to a computing system, the unpowered region including a USB interface and a flash memory. The unpowered region is communicatively connected to the powered region. | 2009-04-02 |
20090088089 | CONTROL CHANNEL NEGOTIATED INTERMITTENT WIRELESS COMMUNICATION - A dual mode communication device utilizes a control channel to exploit diversity, history, and context in advance of establishing a broadband data exchange session on a broadband but shorter range wireless data channel, maximizing productive use of such a session. Appropriate diversity for the negotiated session further enhance data transfer, including path diversity, radio technology diversity (e.g., WiMax, Wi-Fi, ultra wideband, Bluetooth), antenna diversity (e.g., MIMO), modulation diversity (e.g., rate selection for 802.11, or symbol length selection to combat multi-path fading), and frequency diversity (e.g., 2.4 GHz versus 5 GHz). Historical information about channel characteristics optimize the selection of channel parameters with respect to the diversity choices. In addition, context information such as location and speed can be used to categorize the historical information that is collected to further optimize channel parameters. | 2009-04-02 |
20090088090 | OMNI-DIRECTIONAL AND LOW-CORRELATED PRE-CODING BROADCAST BEAMFORMING - Techniques are provided herein to compute beamforming weight vectors for pre-coding broadcast signals. First, system parameters for a device configured to wirelessly transmit one or more broadcast signals via a plurality of antennas are determined. Based on the system parameters a plurality of beamforming weight vectors are computed. The beamforming weight vectors are computed such that they have omni-directional like characteristics and such that correlation between beamforming weight vectors is relatively low. The plurality of beamforming weight vectors are applied to each of the one or more broadcast signals for transmission by the device to produce beamformed transmit signals for transmission via the plurality of antennas. | 2009-04-02 |
20090088091 | Transmitter for Multiple Standards - Generally, implementations provide a circuit framework that uses phase and amplitude modulation with several voltage-controlled-oscillators (VCOs) and corresponding variable gain amplifiers (VGAs) to generate and amplitude and phase modulated signals that are summed to an output signal for a transmitter circuit. The implementations can involve decomposing an input signal into a number of decomposed signals using a signal decomposer component, in which each of decomposed signals includes phase and amplitude information. The signal decomposer component can interact with each of the VCOs and corresponding VGAs to conduct the phase and amplitude modulation for the amplitude and phase modulated signals. The multiple standard transmitter circuit can be used for one or more communication standards, such as Global System for Mobile Communications (GSM), a Wideband Code Division Multiple Access (WCDMA), or High-Speed Uplink Packet Access (HSUPA), among others. | 2009-04-02 |
20090088092 | INTERFERENCE AVOIDANCE - A method of shaping signals intended for transmission via at least one antenna, each signal having a respective frequency spectrum and being for transmission via a respective antenna, comprises selecting at least one interference-reducing signal, each interference-reducing signal being such as to modify the signal frequency spectrum for the antenna or a respective one of the antennas to include a respective frequency notch at an interference band, and modifying the frequency spectra with the selected interference-reducing signal or signals, wherein the selection is subject to a constraint on at least one characteristic of the spectra as modified | 2009-04-02 |
20090088093 | Signal predistortion in radio transmitter - A transmission signal to be transmitted from a radio transmitter is predistorted in order to compensate for the signal distortion caused by a power amplifier. The predistortion parameters for at least one of envelope and phase predistortion are selected according to the bandwidth of the transmission signal. Then, the transmission signal is predistorted with the selected predistortion parameters, and the predistorted transmission signal is power-amplified in the power amplifier for transmission | 2009-04-02 |
20090088094 | TRANSMITTER CAPABLE OF REDUCING LOCAL OSCILLATION LEAKAGE AND IN-PHASE/QUADRATURE-PHASE (I/Q) MISMATCH AND ADJUSTING METHODS THEREOF - An adjusting method for reducing local oscillation leakage or I/Q mismatch in a transmitter includes the steps of: (a) detecting a current extent of local oscillation leakage or I/Q mismatch; (b) determining if an adjusting direction is correct with reference to the current extent of local oscillation leakage or I/Q mismatch thus detected, maintaining the adjusting direction if correct, and reversing the adjusting direction upon determining that the adjusting direction is incorrect; and (c) adjusting a control signal according to the adjusting direction. | 2009-04-02 |
20090088095 | AMPLIFIER, RADIO TRANSMITTING APPARATUS, AND RADIO RECEIVING APPARATUS - An amplifier includes: an input terminal configured to have an input signal of a center frequency f | 2009-04-02 |
20090088096 | APPARATUS AND METHOD FOR POWER AMPLIFICATION IN WIRELESS COMMUNICATION SYSTEM - An apparatus and method for power amplification in a wireless communication system are provided. The apparatus includes an envelope generator for generating an envelope signal from a Radio Frequency (RF) signal, a switching controller for generating a first switching control signal by delta-sigma modulating the envelope signal, and for generating a second switching control signal by amplifying an error signal obtained from a difference between an envelope signal restored by filtering the modulated envelope signal and an original envelope signal and an amplifier for outputting a first output signal by amplifying a phase signal according to the first switching control signal, for outputting a second output signal by amplifying the phase signal according to the second switching control signal, and for combining the first output signal and the second output signal. Thus, high efficiency and high linearity can be accomplished in the power amplification. | 2009-04-02 |
20090088097 | Global Management of Local Link Power Consumption - Power reduction in links, such as transmitters and receivers, based upon global decisions such as the data transmission frequencies, communications media, and traffic types associated with links, is disclosed. In particular, embodiments take advantage of high-level decisions by reconfiguring internal circuits of transmitters and receivers of links to reduce power consumption. At the global level, a decision determines the links that are active, the data frequency at which the links operate, and the media through which the links transmit the data. At the local level, the links receive the decisions and reconfigure circuitry automatically to minimize power based upon the decisions. In some embodiments, the links may receive the decisions in the form of power modes. In further embodiments, the links may receive settings such as on/off settings, data frequency settings, and traffic/media settings, the combination of which indicates power modes. | 2009-04-02 |
20090088098 | GAIN CONTROL METHODS FOR WIRELESS DEVICES AND TRANSMITTERS - Embodiments of wireless devices and transmitters are provided, which perform embodiments of automatic gain control methods. The embodiments of wireless devices and transmitters include a ramp generator, a digital gain signal generator, a combiner, and a variable gain amplifier. The ramp generator is adapted to receive a gain control input signal and to generate a gain ramp signal based on the gain control input signal. The digital gain signal generator is adapted to generate and incorporate a gain arc into a digital gain signal. A combiner is adapted to receive and combine a digital input signal with the digital gain signal, to generate a pre-compensated digital signal. The variable gain amplifier is adapted to apply gains indicated in the gain ramp signal to a pre-adjusted analog signal, which is generated based on the pre-compensated digital signal, in order to generate a gain-adjusted analog signal. | 2009-04-02 |
20090088099 | RADIO TRANSMITTER - A radio transmitter includes a transmitter circuit which produces a signal at a first frequency, and has digital divider circuitry, for dividing the first frequency to produce a signal at a second frequency. The noise performance of the digital divider is adjusted, depending upon the transmitter output power. Specifically, the digital divider is operated with a relatively good noise performance when the gain of the power amplifier is high, and is operated with a worse noise performance at low output powers. This can ensure that a specified noise requirement is met, without excessively increasing the power consumption or the size of the device. | 2009-04-02 |
20090088100 | Method and Apparatus for Regulating a Power Amplifier - A method for regulating a power amplifier for operation in a timeslot data transmission system comprises providing the power amplifier with a bias for setting an operating point for the power amplifier, wherein the bias has a respective bias value. In addition, a supply voltage control signal is provided, wherein a supply voltage value is set such that a prescribed output power value of the power amplifier is attained. The bias value is changed to a new bias value. These steps are repeated until a prescribed criterion is met, but for at least one subsequent timeslot. Next the bias value of the subsequent timeslot is set to the bias value of the previous timeslot. | 2009-04-02 |
20090088101 | WIRELESS TRANSCEIVER AND WIRELESS TRANSMISSION METHOD - A DC offset of a VGA is measured by selecting a ground contact of a switch. Then, the gain of the VGA is set at an appropriate value, monitoring contacts of the switch are successively selected, and the output values of an ADC for the respective cases are measured with the input to a DAC set at zero. Then, the DC offset of the VGA is removed, the DC offset value of each circuit block, such as DAC, in a transmitting part is calculated, and parameters are set so that the DC offset value of each circuit block is minimized. | 2009-04-02 |
20090088102 | GAIN CONTROL METHODS FOR WIRELESS DEVICES AND TRANSMITTERS - A gain control process ( | 2009-04-02 |
20090088103 | Point-to-multipoint communication terminal having a single RF chain - A communication terminal includes first and second antennas for respectively communicating with first and second remote terminals and a single up-converter that is arranged to up-convert an input signal to produce an RF transmit signal. The communication terminal further includes a switching circuit, which is arranged to couple the single up-converter to the first antenna in order to transmit the RF transmit signal to the first remote terminal during first time intervals, and to couple the single up-converter to the second antenna in order to transmit the RF transmit signal to the second remote terminal during second time intervals, which do not overlap the first time intervals. | 2009-04-02 |
20090088104 | Method and System for Supporting a High-Speed Wireless Communication Platform - One embodiment of the present invention sets forth a wireless receiver device, which includes a receiver front-end configured to convert a transmitted radio-frequency signal into an intermediate signal and a backend processing unit coupled to the receiver front-end through a differential-type signaling interface and also configured to recover content from the intermediate signal from the receiver front-end. | 2009-04-02 |
20090088105 | METHOD AND SYSTEM FOR UTILIZING A PROGRAMMABLE COPLANAR WAVEGUIDE OR MICROSTRIP BANDPASS FILTER FOR UNDERSAMPLING IN A RECEIVER - Methods and systems for a programmable coplanar or microstrip bandpass filter for undersampling in a receiver are disclosed and may include band-limiting a received wireless signal utilizing one or both of a programmable microstrip bandpass filter and a coplanar waveguide bandpass filter and undersampling the band-limited received wireless signal. A center frequency of the programmable microstrip bandpass filter may be tuned by adjusting a capacitance or an inductance of the programmable microstrip bandpass filter. The bandwidth of the programmable microstrip bandpass filter may be also be adjusted. A center frequency of the programmable coplanar waveguide bandpass filter may be tuned by adjusting a capacitance or an inductance of the programmable coplanar waveguide bandpass filter. The bandwidth of the programmable coplanar waveguide bandpass filter may also be adjusted. The band-limited, received wireless signal may be undersampled utilizing a sample and hold circuit. | 2009-04-02 |
20090088106 | RADIO FREQUENCY FILTERING - Radio frequency filtering includes receiving a signal and detecting a change in the direct current (DC) offset of the signal or a change in a component that affects the DC offset of the signal. The filtering also includes setting a cut-off frequency of a high-pass filter to a first frequency value in response to the detected change and filtering the signal using the high-pass filter with the cutoff frequency set to the first frequency value. The filtering further includes adjusting the cutoff frequency of the high-pass filter from the first frequency value to a second frequency value while filtering the signal using the high-pass filter where the second frequency value is less than the first frequency value. | 2009-04-02 |
20090088107 | METHOD AND SYSTEM FOR UTILIZING UNDERSAMPLING AND/OR A DIGITAL DELAY LINE TO REMOVE OUT-OF-BAND BLOCKER SIGNALS - Methods and systems for wireless communication are disclosed and may include generating first and second signals by band-limiting a received wireless signal in two frequency ranges utilizing programmable bandpass filters. The first and second signals may be undersampled utilizing a clock signal. A delay of the second signal may be coarse-tuned by delaying the undersampling clock signal and may be fine-tuned by delaying the undersampled second signal utilizing a programmable delay line. The delayed, undersampled second signal may be subtracted from the undersampled first signal. A center frequency of the first range may be configured to a desired signal frequency, and a center frequency of the second range may be configured to a blocker signal frequency. The delay line may include an array of CMOS inverters, and may be fine-tuned utilizing programmable capacitors. The bandpass filters may include one or more coplanar waveguide or microstrip bandpass filters. | 2009-04-02 |
20090088108 | Configuring method and apparatus - An apparatus, including a determining unit for determining one or more applicable radio selections including one or more radio interfaces for use by one or more communication applications, a ranking unit for ranking the applicable radio selections to an order of superiority according to a predefined ranking criterion, and a selecting unit for selecting a radio selection, of the one or more applicable radio selections, for use by the one or more communication applications on the basis of the order of superiority of the radio selections. | 2009-04-02 |
20090088109 | Circuit Arrangement for Processing a Radio-Frequency Signal - Described herein is a circuit arrangement for processing a radio-frequency signal. | 2009-04-02 |
20090088110 | RADIO FREQUENCY RECEIVER ARCHITECTURE - A radio frequency receiver includes a passive mixer configured to receive and RF signal and a low input impedance circuit configured to receive the output of the passive mixer. | 2009-04-02 |
20090088111 | Method and system for detecting carrier wave dropout - The present invention is directed to a method and a system for detecting carrier dropout. | 2009-04-02 |
20090088112 | RECEIVING APPARATUS FOR WIRELESS COMMUNICATION, AND RECEIVING METHOD FOR RECEIVING APPARATUS - A receiving apparatus for wireless communication is provided with an offset value calculating unit configured to time-average the received signal from the orthogonal demodulator to the demodulator to detect a DC offset value, and feed back the DC offset value to a signal channel from the orthogonal demodulator to the demodulator, an automatic gain controlling unit configured to calculate and time-average a power of the received signal from the orthogonal demodulator to the demodulator to generate an AGC signal, and control a gain of an amplifier, and a controlling unit configured to control to interlock (synchronize) a DC offset value detecting operation of the offset value calculating unit and an AGC signal generating operation of the automatic gain controlling unit. | 2009-04-02 |
20090088113 | Fast Hopping Frequency Synthesizer - Apparatus and systems for synthesizing frequencies for use in a fast hopping wireless communications system. A frequency synthesizer comprises a plurality of oscillators with each oscillator having a first input coupled to a reference clock frequency signal, and a signal selector having a control signal input and a plurality of reference clock inputs with each reference clock input coupled to an output from an oscillator. Each oscillator produces a reference frequency that is a harmonic of a reference clock frequency of the reference clock frequency signal, and the signal selector couples a reference clock input to an output based on a control signal provided by the control signal input. | 2009-04-02 |
20090088114 | Communication Apparatus - A communication apparatus includes an antenna configured to generate a magnetic field corresponding to a signal of a first communication method; and a communication unit configured to perform communication via a communication medium by transmitting/receiving a signal of a second communication method by using a potential difference between the communication unit and a predetermined reference point, the communication unit including a transparent conductive film. The antenna and the communication unit are integrated with each other. | 2009-04-02 |
20090088115 | Novel Distributed Direct Conversion Receiver (DDCR) for UWB Systems - A novel DDCR RF front-end for use in UWB applications combining a distributed approach which provides wideband functionality of the RF front-end with I-Q requirement of DCRs. The distributed architecture uses composite cells of a merged LNA and mixer along the input RF T-line. | 2009-04-02 |
20090088116 | METHOD AND APPARATUS OF SUCCESSIVE INTERFERENCE CANCELLATION FOR WIRELESS COMMUNICATION SYSTEM - A method and apparatus of successive interference cancellation for a wireless communication system is provided. A method of detecting a transmission signal for the method of the successive interference cancellation, the method including: receiving transmission signals transmitted from ‘M’ antennas; calculating a residual error value of each of the received transmission signals; and determining a detection sequence of the transmission signals based on the calculated residual error value. | 2009-04-02 |
20090088117 | Receiver capable of reducing local oscillation leakage and in-phase/quadrature-phase (I/Q) mismatch and an adjusting method thereof - An adjusting method for reducing local oscillation leakage or I/Q mismatch in a receiver includes the steps of: (a) detecting a current extent of local oscillation leakage or I/Q mismatch; (b) determining if an adjusting direction is correct with reference to the current extent of local oscillation leakage or I/Q mismatch thus detected, maintaining the adjusting direction if correct, and reversing the adjusting direction upon determining that the adjusting direction is incorrect; and (c) adjusting a control signal according to the adjusting direction. | 2009-04-02 |
20090088118 | REDUCING EXPOSURE OF RADIO DEVICES TO INTERFERENCE THROUGH ADAPTIVE SELECTION OF REPETITIVE SYMBOLS - Methods and apparatus relating to reducing exposure of radio devices to interference through adaptive selection of repetitive symbols are described. In an embodiment, a symbol may be selected for transmission to a display based on the operating frequency of a wireless device receiver. Other embodiments are also described. | 2009-04-02 |
20090088119 | METHOD AND SYSTEM FOR USING A MICROSTRIP TO SWITCH CIRCUITS IN CMOS APPLICATIONS - Aspects of a method and system for using a microstrip to switch circuits in CMOS applications may include generating a second signal from a first signal by frequency-translating the first signal by switching a first current associated with the first signal between a first signal path and a second signal path. The switched first current may be filtered via a microstrip filter that may be tuned to a desired frequency component of the frequency-translated first signal, and the second signal may be generated from the difference between the voltage of the first signal path and the second signal path. | 2009-04-02 |
20090088120 | I/Q Calibration Techniques - A receiver includes a static I/Q calibration block and a correlation/integration block. The static I/Q calibration block is configured to substantially eliminate mismatches between in-phase and quadrature components of a portion of the spectrum having associated I/Q mismatches that are relatively frequency-independent. The correlation/integration block is configured to substantially eliminate mismatches between the in-phase and quadrature components of portions of the spectrum having associated I/Q mismatches that are relatively frequency-dependent in accordance with a pair of signals generated by the static I/C calibration block. | 2009-04-02 |
20090088121 | High Linearity and Low Noise Mixer - Circuits and methods for a mixer circuit involve having a first transistor with first and second terminals, where the first terminal is configured to handle an input RF signal. The mixer has a second transistor including a first terminal coupled to the second terminal of the first transistor, a second terminal configured to handle an input oscillator signal, and a third terminal configured to output an intermediate frequency (IF) signal. The IF signal includes a mixed product of the input RF signal and the input oscillator signal. A gate oxide thickness of the first transistor is less than a gate oxide thickness of the second transistor to provide enhanced linearity and a low noise figure. One or more of the mixers can be implemented in a receiver design. | 2009-04-02 |
20090088122 | APPARATUS AND METHODS FOR DOWNCONVERTING RADIO FREQUENCY SIGNALS - A noise isolation passive mixing apparatus is designed to mitigate noise contribution from intermediate frequency (IF) filters and amplifiers in a radio frequency translation stage. Common-gate configuration devices are inserted between passive mixer output and input of a transimpedance amplifier. In this way, circulation of the input-referred noise of the transimpedance amplifier is decreased, because of the relatively high output impedance of the common-gate devices, and the noise figure of the mixing apparatus can be improved. Since the radio frequency signal still sees low impedance, a radio frequency transconductance (RF gm) stage can be removed from the mixing apparatus, reducing current consumption. A double-balanced mixing apparatus with this general architecture may be implemented in a 0.18 micrometer CMOS technology and used in a low-IF global positioning system operating at 1.575 GHz, in an access terminal of a cellular communication system, and in other systems. | 2009-04-02 |
20090088123 | FREQUENCY CONVERTING CIRCUIT AND RECEIVER - A frequency converting circuit that outputs an output signal obtained by mixing a first input signal and a second input signal, has: a first input terminal to which the first input signal is input; a second input terminal to which the second input signal is input; an output terminal from which the output signal is output; a frequency converting element that has a first input part connected to the first input terminal and an output part connected to the output terminal, restricts the signal input to the first input part according to a signal input to a second input part and outputs the restricted signal to the output part; and a pulse controlling circuit that receives the second input signal via the second input terminal and outputs a pulse signal obtained by restricting the pulses of the second input signal to the second input part of the frequency converting element. | 2009-04-02 |
20090088124 | Radio Frequency Receiver Architecture - A receiver includes a common-gate low noise amplifier (LNA) configured to receive an RF input signal and produce an amplified RF signal. A down-converting passive mixer is configured to mix the amplified received RF input signal with a local oscillator signal generated by a local oscillator to generate a down-converted amplified signal. An amplifier is configured to amplify the down-converted signal and has an input impedances in on the order of ohms. Only a single LNA may be required to receive RF inputs in all frequency bands of a multi-band communication standard. | 2009-04-02 |
20090088125 | System and Method for Locating a Cellular Telephone in an Emergency - A system and method are disclosed for providing information about a cellular telephone. The method comprises determining that an emergency condition exists, and acquiring a location of the cellular telephone. Audio, a still image, or a video image are also acquired from the cellular telephone, and provided with the location of the cellular telephone on a server. | 2009-04-02 |
20090088126 | Public safety access point (PSAP) selection for E911 wireless callers in a GSM type system - Public safety access points are selected in a wireless network for E911 calls based on ESRD substitution when ESRKs are not being used. The present invention was conceived as an ESRK workaround solution to implement Phase II of the E911 rules from the starting point of a Phase I implementation. ESRKs, ESRDs or ESRVs are initially obtained and managed for each PSAP in a particular carrier's area. Then, Phase I processes are modified to wait to see if Phase II GSM location information will be reported in a timely manner (e.g., within a second or two or so) before committing to a default selection of a particular PSAP based on information available (e.g., based on the location of a serving cell site). | 2009-04-02 |
20090088127 | SYSTEMS AND METHODS FOR PROVIDING MULTIPLE SIMULTANEOUS CALLS FROM THE SAME PREPAID ACCOUNT - Prepaid services include associating a plurality of users with a prepaid services account. The account is configured to track a prepaid balance associated with the account as well as to allow at least a subset of the plurality of users associated with the account to draw down the prepaid balance at least generally at the same time. Drawing down the prepaid balance includes allocating a portion of the prepaid balance to each respective user, monitoring a provision of service, and repeating, selectively, the allocating and monitoring. | 2009-04-02 |
20090088128 | PREPAID SERVICES ACCOUNTS WITH MULTI-USER CUSTOMERS AND INDIVIDUALIZED QUOTAS - Prepaid services include a multi-user prepaid services account as well as a prepaid balance associated with the account. A plurality of user records associated with the account each includes a quota. A service monitoring component may be configured to repeatedly draw down the prepaid balance by providing one or more allocations of the prepaid balance during a service period to a user associated with a respective user record. | 2009-04-02 |