Patent application number | Description | Published |
20120214412 | ANTENNA WITH INTEGRATED PROXIMITY SENSOR FOR PROXIMITY-BASED RADIO-FREQUENCY POWER CONTROL - An electronic device may have a housing in which an antenna is mounted. An antenna window may be mounted in the housing to allow radio-frequency signals to be transmitted from the antenna and to allow the antenna to receive radio-frequency signals. Near-field radiation limits may be satisfied by reducing transmit power when an external object is detected in the vicinity of the dielectric antenna window and the antenna. A capacitive proximity sensor may be used in detecting external objects in the vicinity of the antenna. The proximity sensor and the antenna may be formed using integral antenna resonating element and proximity sensor capacitor electrode structures. These structures may be formed from identical first and second patterned conductive layers on opposing sides of a dielectric substrate. A transceiver and proximity sensor may be coupled to the structures through respective high-pass and low-pass circuits. | 08-23-2012 |
20130002517 | ELECTRONIC DEVICE WITH MAGNETIC ANTENNA MOUNTING - An electronic device may have magnetically mounted antenna structures. The electronic device may have a dielectric member against which one or more antennas are mounted. The dielectric member may be a cover glass layer that covers a display in the electronic device, a dielectric antenna window, or other dielectric structure. Each antenna may have an antenna support structure. Conductive antenna structures for the antenna may be mounted to the antenna support structure. The antennas may be cavity-backed planar inverted-F antennas. Portions of each antenna support structure may be configured to receive magnets. The magnets may be attracted towards ferromagnetic structures mounted on the dielectric member. As the magnets are attracted towards the ferromagnetic structure, the antennas may be held in place against the dielectric member. | 01-03-2013 |
20130018999 | PLACEMENT OF SERVICE DELIVERY LOCATIONS OF A DISTRIBUTED COMPUTING SERVICE BASED ON LOGICAL TOPOLOGYAANM MERRILL; JoshuaAACI ParkerAAST COAACO USAAGP MERRILL; Joshua Parker CO USAANM DAI; HuidaAACI CupertinoAAST CAAACO USAAGP DAI; Huida Cupertino CA USAANM ZHU; JiangAACI SunnyvaleAAST CAAACO USAAGP ZHU; Jiang Sunnyvale CA USAANM KAPUR; SukhdevAACI SaratogaAAST CAAACO USAAGP KAPUR; Sukhdev Saratoga CA USAANM BANERJEE; SubrataAACI Los AltosAAST CAAACO USAAGP BANERJEE; Subrata Los Altos CA USAANM ELDER; DannyAACI San DiegoAAST CAAACO USAAGP ELDER; Danny San Diego CA USAANM GANESAN; AshokAACI San JoseAAST CAAACO USAAGP GANESAN; Ashok San Jose CA USAANM ZHANG; ShujinAACI Palo AltoAAST CAAACO USAAGP ZHANG; Shujin Palo Alto CA USAANM MEDVED; JanAACI PleasantonAAST CAAACO USAAGP MEDVED; Jan Pleasanton CA US - In one embodiment, a method comprises receiving a request for a distributed service, the distributed service offered by a service provider via a data communications network having service delivery locations reachable via a prescribed physical topology; identifying the service delivery locations within a prescribed logical topology overlying the prescribed physical topology, the prescribed logical topology segregating the distributed service from other network traffic on the prescribed physical topology; and identifying one or moreof the service delivery locations optimized for providing the distributed service to at least one service consumption location in the prescribed logical topology according to a prescribed service level agreement with the service provider. | 01-17-2013 |
20130082895 | Antenna Structures with Molded and Coated Substrates - Electronic devices may be provided with antenna structures. The antenna structures may be used in wirelessly transmitting and receiving radio-frequency signals. Antenna structures may be formed from molded dielectric substrates. Patterned conductive material may be formed on the dielectric substrates. The dielectric substrates may be formed from molded materials such as glass or ceramic. Sheets of dielectric or dielectric powder may be compressed to form a dielectric substrate of a desired shape. The patterned conductive material may be formed from metallic paint or other conductors. A hollow antenna chamber may be formed by joining molded dielectric structures. An antenna such as an indirectly-fed loop antenna or other antennas may be formed from the molded dielectric substrates and patterned conductors. | 04-04-2013 |
20130103694 | PREFIX AND PREDICTIVE SEARCH IN A DISTRIBUTED HASH TABLE - In one embodiment, a method comprises identifying prefix groups for searchable character symbols, each prefix group having a corresponding searchable character symbol comprising at least one searchable character; assigning at least one prefix group to each of a plurality of distributed hash table nodes in a network, each distributed hash table node containing at least one of the prefix groups, each distributed hash table node assigned a corresponding prescribed keyspace range of a prescribed keyspace, each distributed hash table node configured for storing data records having respective primary data record keys within the corresponding prescribed keyspace range; and assigning secondary indexes that start with one of the searchable character symbols to the corresponding prefix group in the associated distributed hash table node, enabling any prefix search starting with the one searchable character symbol to be directed to the corresponding prefix group in the associated distributed hash table node. | 04-25-2013 |
20130107728 | User Behavior Model and Statistical Transition Map to Assist Advanced WLAN Applications | 05-02-2013 |
20130127672 | Distributed Loop Antennas with Extended Tails - Electronic devices may be provided with antenna structures such as distributed loop antenna resonating element structures. A distributed loop antenna may be formed on an elongated dielectric carrier and may have a longitudinal axis. The distributed loop antenna may include a loop antenna resonating element formed from a sheet of conductive material that extends around the longitudinal axis. A gap may be formed in the sheet of conductive material. The gap may be located under an opaque masking layer on the underside of a display cover glass associated with a display. The loop antenna resonating element may have a main body portion that includes the gap and may have an extended tail portion that extends between the display and conductive housing structures. The main body portion and extended tail portion may be configured to ensure that undesired waveguide modes are cut off during operation of the loop antenna. | 05-23-2013 |
20130214986 | ANTENNA WITH FOLDED MONOPOLE AND LOOP MODES - Electronic devices may be provided that contain wireless communications circuitry. The wireless communications circuitry may include radio-frequency transceiver circuitry and antennas. An antenna may have an antenna ground that is configured to form a cavity for the antenna. The antenna ground may be formed on a support structure. The antenna ground may have an opening. The support structure may have a planar surface on which the opening is formed. A folded monopole antenna resonating element and an L-shaped conductive antenna element may be formed in the opening and may be capacitively coupled. The folded monopole antenna resonating element may have an end at which a positive antenna feed terminal is formed. A ground antenna feed terminal may be formed on the antenna ground. A segment of the antenna ground may extend between the ground antenna feed terminal and an end of the L-shaped conductive antenna element. | 08-22-2013 |
20130235192 | SYSTEM AND METHOD FOR DISTRIBUTING CONTENT IN A VIDEO SURVEILLANCE NETWORK - A method is provided in one example embodiment and includes creating a key from a hash of a resource identifier associated with a video object; storing the video object in a distributed hash table with the key; and replicating the video object in the distributed hash table based on a redundancy factor associated with the video object. In more particular embodiments, the method can include fragmenting the video object into segments; creating sub-keys with a hash of resource identifiers associated with each of the segments; storing the segments in the distributed hash table with the sub-keys; and replicating the segments in the distributed hash table based on the redundancy factor. | 09-12-2013 |
20130293424 | Corner Bracket Slot Antennas - A display cover layer may be mounted in an electronic device housing using housing structures such as corner brackets. A slot antenna may be formed from a corner bracket opening, metal traces on a hollow plastic support structure, or other conductive structures. The slot antenna may have a main portion with opposing ends. An antenna feed may be located at one of the ends. The slot antenna may have a slot with one or more bends. The bends may provide the slot antenna with a C-shaped outline. A side branch slot may extend from the main portion of the slot at a location between the two bends. The presence of the side branch slot may enhance antenna bandwidth. A hollow enclosure may serve as an antenna support structure and as a speaker box enclosing a speaker driver. The antenna feed may be positioned so as to overlap the speaker driver. | 11-07-2013 |
20130293425 | Antenna Structures Having Slot-Based Parasitic Elements - Electronic devices may include radio-frequency transceiver circuitry and antenna structures. The antenna structures may include antenna resonating elements and antenna ground plane structures. An electronic device may have antennas formed from the antenna resonating elements and an antenna ground plane. The antenna ground plane may have slot structures. The slot structures may be configured to form a slot-based parasitic antenna element to minimize coupling between the antennas in a device. The slot-based parasitic antenna element may be located between the antennas in a device. The slots structures from which a parasitic antenna element is formed may include open slots and closed slots. Slots may have one or more arms and one or more bends. Slots may be formed in internal housing members, traces on dielectric carriers, and other conductive structures. | 11-07-2013 |
20130328730 | Methods for Forming Elongated Antennas With Plastic Support Structures for Electronic Devices - Electronic devices may be provided with antenna structures. The antenna structures may include an antenna support structure covered with patterned antenna traces. An antenna support structure may be mounted in an electronic device so that a surface of the antenna support structure that is covered with patterned antenna traces lies flush with a planar surface of the electronic device housing. A display cover layer or other planar structure may be attached to the surface of the antenna support structure and the planar surface of the housing adhesive. Injection molding and extrusion techniques may be used in forming a support structure with elongated parallel cavities. An injection molding tool may have a mold core supported by a support structure at one end, supporting engagement features at the ends of mating mold core structures, or support pins. Molded interconnect devices may be soldered to laser direct structuring components to form antennas. | 12-12-2013 |
20140085161 | Distributed loop antenna with multiple subloops - An electronic device may be provided with antenna structures. The antenna structures may be formed using a dielectric carrier structure. The antenna structures may have first and second loop antenna resonating elements. The first loop antenna resonating element may indirectly feed the second loop antenna resonating element. The second loop antenna resonating element may be a distributed loop element formed from multiple antenna resonating element subloops. The second loop antenna resonating element may be formed from a strip of metal with a width that loops around the dielectric carrier. An opening in the metal may separate first and second subloop antenna resonating elements from each other in the second loop antenna resonating element. Openings in the metal may form metal segments that collectively form an inductance for the first subloop. Antenna currents may flow through metal traces on the carrier and portions of an electronic device housing wall. | 03-27-2014 |
20140086441 | Distributed Loop Speaker Enclosure Antenna - An electronic device may be provided with antenna structures. The antenna structures may be formed using a dielectric carrier structure such as a speaker enclosure, so that interior space within the electronic device that is occupied by a speaker can be used in forming an antenna. A speaker driver may be mounted in the speaker enclosure. Openings in the speaker enclosure may allow sound from the speaker driver to be emitted from the speaker enclosure. The antenna structures may have first and second loop antenna resonating elements. The first loop antenna resonating element may indirectly feed the second loop antenna resonating element. The second loop antenna resonating element may be a distributed loop element formed from a strip of metal with a width that loops around the speaker enclosure. Openings in the second loop antenna resonating element may be aligned with the speaker enclosure openings. | 03-27-2014 |
20140111684 | Antenna Structures and Electrical Components with Grounding - An electronic device may have a conductive housing with an antenna window. Antenna structures may be mounted adjacent to the antenna window. The antenna structures may have a dielectric carrier. Patterned metal antenna traces may be formed on the surface of the dielectric carrier. A proximity sensor may be formed from a flexible printed circuit mounted on the dielectric carrier. The flexible printed circuit may have a tail that contains a transmission line for feeding the antenna structures. The transmission line may include a positive signal conductor that is maintained at a desired distance from the conductive housing using a polymer sheet. A portion of the antenna structures may protrude between a microphone and a camera module. Plastic camera module housing structures may have an inner surface coated with a shielding metal. A U-shaped conductive fabric layer may be used as a grounding structure. | 04-24-2014 |
20140112511 | Electronic Device With Conductive Fabric Shield Wall - An electronic device may have a housing such as a metal housing. A display may be mounted in the metal housing. Antenna structures may be mounted in the housing under an inactive peripheral portion of the display. Integrated circuits and other electrical components may be mounted in the housing under an active central portion of the display. Shielding structures may be configured to form a wall that extends between the display and the metal housing. The shielding structures may include a sheet of conductive fabric that is shorted to the metal housing and metal chassis structures in the display. The shielding structures may also include a tube of conductive fabric that is capacitively coupled to ground traces in a touch sensor panel. The conductive fabric tube and the sheet of conductive fabric may be shorted to each other using conductive adhesive. | 04-24-2014 |
20140136952 | IMPROVING WEB SITES PERFORMANCE USING EDGE SERVERS IN FOG COMPUTING ARCHITECTURE - In one embodiment, a method comprises receiving, by an edge device in an edge network, a request from a client device for a web page provided by a web server via a wide area network, the edge network providing an access network for the client device to reach the wide area network; detecting, by the edge device, a prescribed condition affecting rendering performance of the web page by the client device; and the edge device dynamically optimizing the web page into an optimized web page for optimized rendering of the web page by the client device. | 05-15-2014 |
20140378066 | Human Mobility Rule-Based Device Location Tracking - Techniques are presented herein to provide human mobility pattern based modeling and tracking of a group of network enabled user devices associated with the same person. An association is made, at a tracking device, between a plurality of user devices and a user. Location information for each of the plurality of user devices is derived through network activity of the plurality of user devices. Locations for the plurality of user devices are derived from the location information. One or more predetermined user mobility pattern rules are applied to the plurality of user devices. User anomalies are detected when the tracked locations indicate that one or more of the plurality of user devices has violated one or more the predetermined user mobility rules. | 12-25-2014 |