Patent application number | Description | Published |
20090066597 | Substrate Integrated Waveguide Antenna Array - A substrate integrated waveguide (SIW) slot full-array antenna fabricated employing printed circuit board technology. The SIW slot full-array antenna using either single or multi-layer structures greatly reduces the overall height and physical steering requirements of a mobile antenna when compared to a conventional metallic waveguide slot array antenna. The SIW slot full-array antenna is fabricated using a low-loss dielectric substrate with top and bottom metal plating. An array of radiating cross-slots is etched in to the top plating to produce circular polarization at a selected tilt-angle. Lines of spaced-apart, metal-lined vias form the sidewalls of the waveguides and feeding network. In multi-layer structures, the adjoining layers are coupled by transverse slots at the interface of the two layers. | 03-12-2009 |
20110025566 | NEAR-HORIZON ANTENNA STRUCTURE AND FLAT PANEL DISPLAY WITH INTEGRATED ANTENNA STRUCTURE - A near-horizon antenna structure includes an upper radiating element having a straight conductive trace disposed on a planar surface of a non-conductive substrate, a rectangular lower radiating element serving as a ground plane disposed on the planar surface, and a feed point provided between the upper and lower radiating elements. When the planar surface is positioned vertically, the far-field effects of horizontal current flowing in opposite directions on the radiating elements cancel to provide an antenna pattern with increased gain in horizontal directions and reduced gain in vertical directions. A flat panel display and a portable communication device are also provided with one or more near-horizon antenna structures integrated therein. | 02-03-2011 |
20110032157 | MULTIPROTOCOL ANTENNA STRUCTURE AND METHOD FOR SYNTHESIZING A MULTIPROTOCOL ANTENNA PATTERN - Embodiments of a planar asymmetric antenna structure with shifted feed position for multi-protocol operations are disclosed The antenna structure includes two elliptically tapering right and left arms, each with a different radius, and an off-center feed point positioned between the right and left arms. One arm has a smaller elliptical tapering than the other arm and the feed point is positioned closer to one arm than the other arm. A method of synthesizing a multiprotocol antenna pattern is also disclosed. The method includes providing substantially equally surface currents on both arms of an antenna structure to generate a near-horizontal pattern in far-field at a lower frequency band, providing greater surface currents on the right arm to generate a far-field pattern with a large horizontal component at a higher frequency band, and providing greater surface currents on the left arm to generate an asymmetric far-field pattern at a middle frequency band. | 02-10-2011 |
20110034130 | METHOD AND SYSTEM FOR DETERMINING TOTAL ISOTROPIC SENSITIVITY USING RSSI MEASUREMENTS FOR WIMAX DEVICE CERTIFICATION - Embodiments of a system and method of determining total isotropic sensitivity (TIS) of a wireless broadband client device are described herein. A received signal strength indicator (RSSI) reported at an embedded radio module of the device is logged for each of a plurality of antenna polarizations and for each of a plurality of platform orientations. A single point measurement of module sensitivity is performed at a reference orientation and polarization the transmit antenna. The TIS is calculated as a correction to the single point measurement of module sensitivity. A correction factor to correct the TIS may be based on the difference between an average of the logged RSSIs and an RSSI at the reference orientation and polarization of the transmit antenna. | 02-10-2011 |
20110111709 | Radio frequency filtering in coaxial cables within a computer system - Embodiments and methods and means for filtering radio frequencies (RF) via coaxial cables with a computer system are provided. Such embodiments generally include modifying an RF coaxial cables communicatively coupling an antenna to a wireless radio module within a mobile computing device allow an RF signal within certain frequency band(s) to pass with minimal attenuation while other frequencies, the RF signal is either reflected or attenuated. Modifying the RF coaxial cable entails inserting sections of varied impedance into the uniform impedance of the RF coaxial cable by altering the mechanical structure of the RF coaxial cable. | 05-12-2011 |
20110154656 | SYSTEMS AND METHODS FOR MANUFACTURING MODIFIED IMPEDANCE COAXIAL CABLES - Systems and methods for manufacturing modified impedance coaxial cables including providing a coaxial cable having an inner conductor, a dielectric layer at least partially covering an outer surface of the inner conductor, and an outer conductor at least partially covering an outer surface of the dielectric layer. The coaxial cable may include a first section having a first impedance configured to allow a first frequency band to pass. A discontinuity section may be formed in at least one of the inner conductor, the dielectric layer, and the outer conductor. The discontinuity section may have an impedance different than the first impedance and a length which is configured to attenuate a second frequency band. | 06-30-2011 |
20120082068 | APPARATUSES, SYSTEMS AND METHODS USING MULTI-FUNCTIONAL ANTENNAS INCORPORATING IN-LINE-FILTER ASSEMBLIES - Embodiments herein may provide an apparatus, comprising an antenna, the antenna including a same radiating element fed by more than one in-line-filter cables with complimentary pass and rejection bands, wherein the more than one in-line-filter cables have periodically inserted discontinuities in coaxial cables to create band rejection filter functionalities. | 04-05-2012 |
20120133561 | METHOD AND APPARATUS FOR IN-MOLD LAMINATE ANTENNAS - Embodiments of systems and methods for providing in-mold laminate antennas are generally described herein. Other embodiments may be described and claimed. | 05-31-2012 |
20120133565 | CABLE ANTENNA APPARATUS AND SYSTEM - Embodiments of an apparatus and system are described for a coaxial antenna. An apparatus may comprise, for example, an integrated circuit and a coaxial cable coupled to the integrated circuit and arranged to operate as an antenna, the coaxial cable comprising an inner conductor layer and at least one insulator layer, wherein one or more portions of the inner conductor layer are exposed to allow the exposed inner conductor layer to operate as a radiating element for the antenna. Other embodiments are described and claimed. | 05-31-2012 |
20120153739 | RANGE ADAPTATION MECHANISM FOR WIRELESS POWER TRANSFER - In accordance with various aspects of the disclosure, a method and apparatus is disclosed that includes features of a switching mechanism coupled to a wireless power transmitting device, wherein the switching mechanism is configured to selectively control operation of a transmitting coil in the wireless power transmitting device. | 06-21-2012 |
20120154687 | Multi-band tunable antenna for integrated digital television service on mobile devices - A multi-band tunable antenna is implemented on device, where the multi-band tunable antenna supports both VHF and UHF frequencies at the same time, and particularly digital television frequencies. The multi-band tunable antenna includes a tunable component that connects metallic radiating elements. Changing the electrical property, such as capacitance, of the tunable component, changes the ability to receive particular frequencies. | 06-21-2012 |
20120162024 | INTEGRATED ANTENNA ASSEMBLY - An antenna assembly comprises a computer expansion card comprising a metallic layer which forms a radiating element or a metallic shield which forms the radiating element and a feed line coupled to the radiating element. Other embodiments may be described. | 06-28-2012 |
20120162032 | ANTENNA INTEGRATED INTO A TOUCH SENSOR OF A TOUCHSCREEN DISPLAY - A touch sensor with a transparent conductive layer and a metalized border area at least partially bordering the transparent conductive layer and forming a far-field antenna. | 06-28-2012 |
20120248883 | RECONFIGURABLE COIL TECHNIQUES - Techniques are disclosed involving reconfigurable coils. Such coils may be used in applications, including (but not limited to) wireless charging and near field communications (NFC). For instance, a reconfigurable coil may include a first conductive portion and a second conductive portion. Two or more configurations may be established. These configurations may correspond to particular current paths. For example, in a circular configuration, a path is provided having the same rotational sense in both first and second conductive portions. However, in a figure eight configuration, a path is provided having a first rotational sense in the first conductive portion and a second rotational sense in the second conductive portion. A switch coupled between these portions may set the coil's configuration. Configurations may be selected based on one or more operating conditions involving the coil. | 10-04-2012 |
20120250539 | TECHNIQUES TO DETERMINE USER PRESENCE - An embodiment of the present invention provides a method of detecting user presence, comprising registering a client associated with the user on a host associated with the user and setting up a wireless communication pairing, wherein while setting up the pairing, the client measures the host wireless communication power and uses it as calibration threshold for distance detection, and wherein the client measures a beacon power of the host radio and when the beacon power is above a threshold, the client is determined to be proximate to the host. | 10-04-2012 |
20130163453 | PRESENCE SENSOR WITH ULTRASOUND AND RADIO - An ultrasound and radio frequency technology is used to implement presence sensor capability for wireless devices such as, a laptap device. For example, the laptap device connects to a station device through a WiFi signal. In this example, the WiFi signal may include a data packet that synchronizes internal clocks of the laptap device with the station device. Further, the data packet may include transmitting time information for an ultrasound audio signal generated by the station device. The ultrasound audio signal is received by the laptap device that calculates time of flight (TOF) of the ultrasound audio signal. The TOF may be used to determine actual distance of the wireless device (e.g., laptap device) to the station device. | 06-27-2013 |
20130271073 | COIL TECHNIQUES - Techniques are disclosed involving coils that may be used to exchange wireless energy between devices. For instance, a device may include a coil having a plurality of turns arranged along an arc. Further, the coil may have first and second ends that are substantially normal to the arc. The coil may be arranged within a casing of the device. This casing may have first and second non-parallel surfaces. In embodiments, the first end of the coil may be directed to (be substantially parallel with and proximate to) the first surface, while the second end of the coil may be directed to the substantially parallel with and proximate to) the second surface. The coil may be employed in wireless power transfer and/or near field communication applications. | 10-17-2013 |
20130335284 | EDGE-EMITTING ANTENNAS FOR ULTRA SLIM WIRELESS MOBILE DEVICES - Described herein are techniques related to near field coupling and wireless power transfers. A mobile device may include an edge-emitting antenna that offers ultra slim, all-metallic chassis packaging option with no cutout, uses lesser area, has robust mechanical strength, and provides EMI/ESD protection. In one example, an inductor coil is wrapped around a magnetic core and a pair of conductive layers is configured to interpose the magnetic core and the inductor coil between them to expose an edge of the magnetic core. The inductor coil being operable in a transmit mode to generate a magnetic field in response to a current passing through it. The edge is configured to enhance outward radiation of the magnetic field. Based on simulation results, the edge-emitting antenna occupies less space and provides an acceptable level of performance for coupling coefficients compared to conventional antenna. | 12-19-2013 |
20140002225 | SPIRAL NEAR FIELD COMMUNICATION (NFC) COIL FOR CONSISTENT COUPLING WITH DIFFERENT TAGS AND DEVICES | 01-02-2014 |
20140002305 | PATCH-BASED PROXIMITY SENSORS, ANTENNAS, AND CONTROL SYSTEMS TO CONTROL ANTENNAS BASED ON CORRESPONDING PROXIMITY MEASURES | 01-02-2014 |
20140002313 | THIN CHASSIS NEAR FIELD COMMUNICATION (NFC) ANTENNA INTEGRATION | 01-02-2014 |
20140065956 | NEAR FIELD COUPLING SOLUTIONS FOR WI-FI BASED WIRELESS DOCKING - Described herein are techniques related one or more systems, apparatuses, methods, etc. for a wireless fidelity (Wi-Fi) based wireless docking in an enterprise environment. In an implementation, a separate low radiating antenna is constructed and installed at a bottom surface of a wireless device and at a docking surface of a docking station. In this implementation, the low radiating antenna is configured to provide local wireless communication (i.e., Wi-Fi based communication) between a docking pair that includes the wireless device and the docking station. | 03-06-2014 |
20140078094 | CO-EXISTENCE OF TOUCH SENSOR AND NFC ANTENNA - When threshold values for the capacitive sensors in a touch pad are periodically updated to allow for drift in these values, the updating process may be suspended while a nearby radio antenna is transmitting. Such transmissions from an antenna that is located next to the touch pad could otherwise significantly alter the effective capacitance in these sensors and thereby make the touch pad unreliable for registering a touch. Even though the capacitance may return to normal fairly quickly after the transmission stops, the moving average technique typically used to smooth out short term variation may incorporate the period of changed capacitance and thereby extend the period of unreliability, but suspending the update process during a transmission can avoid this problem. | 03-20-2014 |
20140080411 | INTEGRATION OF A NEAR FIELD COMMUNICATION COIL ANTENNA BEHIND A SCREEN DISPLAY FOR NEAR FIELD COUPLING - Described herein are architectures, platforms and methods for integrating near field communication (NFC) coil antenna behind a screen display of devices and more particularly, to improve near field coupling capabilities of the devices by configuring the screen display to implement a context based software logo to guide a user. The context based software logo displays a tapping area location during NFC related functions. The NFC related functions include wireless power transfer (WPT) and/or near field communications (NFC) capabilities of the devices | 03-20-2014 |
20140092543 | KEYBOARD INTEGRATED NFC ANTENNA - A metal baseboard with a planar shape which is placed close to a Near Field Communication (NFC) radio antenna may be configured with a number of slots in the metal. These slots may disrupt the eddy current that would otherwise be induced in the metal by magnetic emissions emanating from the NFC antenna. The reduction in eddy current that results from these slots may reduce the severe attenuation of the signal that would otherwise be caused by the metal. In general, each slot may run approximately perpendicular to the direction of the expected eddy current. This may be approximated by having many of the slots each run perpendicular to the nearest part of the antenna wiring. | 04-03-2014 |
20140129425 | DYNAMIC BOOST OF NEAR FIELD COMMUNICATIONS (NFC) PERFORMANCE/COVERAGE IN DEVICES - Described herein are architectures, platforms and methods for dynamic amplification/boosting of near field communications (NFC) antenna transmission power in a device during NFC related functions that require increase in an NFC antenna transmission power such as a payment transaction. For example, to comply with Europay MasterCard and Visa (EMVco) standards with regard to higher NFC antenna transmission power during the EMVco transactions, the NFC antenna transmission power may be dynamically controlled to maximize efficiency of a battery/power supply of the device. | 05-08-2014 |
20140159848 | CASCADED COILS FOR MULTI-SURFACE COVERAGE IN NEAR FIELD COMMUNICATION - Described herein are techniques related to near field coupling and wireless power transfers. A device may include a cascaded coil antenna to include a first coil antenna that is connected in series with a second coil antenna. The first and second coil antennas are independent antennas prior to cascading and are located in different surfaces of the device to establish near field coupling through front side, top side, bottom side, or corner side of the portable device. Furthermore, a flux guide may be placed in the cascaded coil antenna to facilitate magnetic flux at the first coil antenna and the second coil antenna to induce current of the same phase during receive mode. During transmit mode, the flux guide facilitates the magnetic flux at the first coil antenna and the second coil antenna to generate magnetic fields of the same direction. | 06-12-2014 |
20140176054 | WIRELESS CHARGING OPTIMIZATION - Described herein are techniques related to near field coupling and wireless charging or wireless power transfer (WPT). More particularly, an induced current at a receiving coil antenna is measured and utilized as a basis for re-alignment with a transmitting coil antenna is described. | 06-26-2014 |
20140195198 | AGGREGATING AND PROCESSING DISTRIBUTED DATA ON ULTRA-VIOLET (UV) EXPOSURE MEASUREMENT - The present application discloses devices, systems and methods for establishing and utilizing a UV sensing network to harness the efficacy of distributed UV sensing to produce improved accuracy of UV exposure measurement using mobile devices. This may be accomplished by “crowd sourcing”, i.e. having multiple devices work collaboratively to measure the UV exposure. The collaboration can be implemented in many potential ways, such as, using a server based architecture where devices connect to a specific “UV measurements server” to provide measurements and receive aggregate estimated exposure levels, and/or by using a peer-to-peer architecture, where devices in a specific region creates a local ad-hoc UV sensing network. | 07-10-2014 |
20140203988 | INTEGRATED ANTENNAS FOR NEAR FIELD COUPLING INTEGRATION - Described herein are techniques related to near field coupling and wireless power transfers. In an implementation, a portable device may include full metallic chassis devices. The full metallic chassis devices may include a keyboard and/or trackpad that include a plastic keycap. The plastic keycap may integrate a booster component to increase near field communications (NFC) range of a coil antenna that is integrated onto a surface plane above a circuit board of a switch that is connected to the plastic keycap. In an implementation, a ferrite material is inserted between the coil antenna and the circuit board to protect the coil antenna from Eddy currents that may be induced on a metallic chassis that lie underneath the circuit board. | 07-24-2014 |
20140203990 | DISSYMMETRIC COIL ANTENNA TO FACILITATE NEAR FIELD COUPLING - Described herein are techniques related to near field coupling and wireless power transfers. For example, a coil antenna configuration is the same in all portable devices; however, when the portable devices are arranged in back to back position with one another, the coil antenna configuration defines a dissymmetric and antenna configuration. | 07-24-2014 |
20140220887 | NEAR FIELD COMMUNICATIONS (NFC) AND PROXIMITY SENSOR FOR PORTABLE DEVICES - Described herein are techniques related to near field coupling and proximity sensing operations. For example, a proximity sensor uses a coil antenna that is utilized for near field communications (NFC) functions. The proximity sensor may be integrated into an NFC module to form a single module. | 08-07-2014 |
20140232334 | RECONFIGURABLE COIL TECHNIQUES - Techniques are disclosed involving reconfigurable coils. Such coils may be used in applications, including (but not limited to) wireless charging and near field communications (NFC). For instance, a reconfigurable coil may include a first conductive portion and a second conductive portion. Two or more configurations may be established. These configurations may correspond to particular current paths. For example, in a circular configuration, a path is provided having the same rotational sense in both first and second conductive portions. However, in a figure eight configuration, a path is provided having a first rotational sense in the first conductive portion and a second rotational sense in the second conductive portion. A switch coupled between these portions may set the coil's configuration. Configurations may be selected based on one or more operating conditions involving the coil. | 08-21-2014 |
20140269977 | WIRELESS DEVICE AND METHOD FOR ANTENNA SELECTION - Embodiments, such as apparatus or techniques may include circuitry for a portable wireless device. In an embodiment, a tissue proximity detection circuit may be configured to provide information indicative of a presence or absence of human tissue within a specified range of a first antenna, and an antenna control circuit may be configured to controllably inhibit transmission by the first antenna, and to permit transmission by a second antenna, in response to information provided by the tissue proximity detection circuit that tissue is present within the specified range of the first antenna. | 09-18-2014 |
20140333489 | METHOD AND APPARATUS FOR IN-MOLD LAMINATE ANTENNAS - Embodiments of systems and methods for providing in-mold laminate antennas are generally described herein. Other embodiments may be described and claimed. | 11-13-2014 |
20140346886 | ANTENNA CONFIGURATION TO FACILITATE NEAR FIELD COUPLING - Described herein are techniques related to near field coupling and wireless power transfers. A portable device may include a coil antenna that includes an upper loop and a lower loop to form a figure-eight arrangement. The figure-eight coil antenna arrangement is wrapped against top and bottom surfaces of a component to establish near field coupling through front side, top side, bottom side, or corner side of the portable device. Further, a flux guide may be placed between the coil antenna and the component to facilitate magnetic flux at the upper loop and the lower loop to induce current of the same phase during receive mode. During transmit mode, the flux guide facilitates the magnetic flux at the upper loop and the lower loop to generate magnetic fields of the same direction. | 11-27-2014 |
20140362837 | ANTENNA COUPLER FOR NEAR FIELD WIRELESS DOCKING - Described herein are techniques related to one or more systems, apparatuses, methods, etc. for a wireless fidelity (Wi-Fi) based wireless docking station arrangement. | 12-11-2014 |
20150035474 | INTEGRATION OF WIRELESS CHARGING UNIT IN A WIRELESS DEVICE - Described herein are techniques related to one or more systems, apparatuses, methods, etc. for implementing a wireless charging and a wireless connectivity in a device. | 02-05-2015 |
20150044963 | NEAR FIELD COMMUNICATIONS (NFC) COIL WITH EMBEDDED WIRELESS ANTENNA - Described herein are techniques related to near field coupling and WLAN dual-band operations. For example, a WLAN dual-band utilizes the same coil antenna that is utilized for near field communications (NFC) functions. The WLAN dual-band may be integrated into an NFC module to form a single module. | 02-12-2015 |