Patent application number | Description | Published |
20090058751 | PLATFORM NOISE MITIGATION METHOD USING BALANCED ANTENNA - A balanced antenna is integrated into a wireless mobile device, such as a laptop computer, for improved antenna reception. The antenna is connected to a radio frequency (RF) interconnection cable. A balun is disposed between the antenna and the cable. By using a balanced antenna, the fraction of the noise produced by the motherboard and display of the wireless mobile device that is captured by the antenna is significantly reduced compared to that captured by an unbalanced antenna, and thus not captured by the antenna. | 03-05-2009 |
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 |
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 |
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 |
20140111387 | MAGNETIC FIELD PASS THROUGH SURFACES IN CARBON FIBER REINFORCED POLYMERS - This document discloses one or more systems, apparatuses, methods, etc. for integrating coil antennas in a carbon fiber chassis portable device. More particularly, the carbon fiber chassis portable device containing unidirectional weave carbon fibers in its chassis—to support near field communications (NFC) related functions—is described. | 04-24-2014 |
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 |
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 |
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 |
Patent application number | Description | Published |
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 |
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 |
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 |
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 |
20140002312 | SIGNAL FEED APPARATUS FOR ANTENNA | 01-02-2014 |
20140002313 | THIN CHASSIS NEAR FIELD COMMUNICATION (NFC) ANTENNA INTEGRATION | 01-02-2014 |
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 |
20140302808 | ANTENNA SYSTEM WITH SELF-IDENTIFYING ANTENNA - According to one embodiment disclosed herein, there is provided an antenna module including a self-identification mechanism that may be used by one or more wireless circuits for management purposes. The self-identification mechanism may, for example, take the form of an integrated circuit (IC) device or chip that stores a serial number that may function as a unique identifier for an antenna on which it is mounted or associated. In one embodiment, a wireless module, for example containing RF components for sending and receiving signals from the antenna, queries the serial number device, and acquires the serial number for the antenna. The wireless module can use the serial number for any number of purposes, and in particular to verify that the antenna connected is a compliant antenna that will operate within the range, within the limits, and/or with the performance specified for the radio circuits within the wireless module. | 10-09-2014 |
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 |