Patents Examined by Gary Au
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Patent number: 7764626Abstract: Techniques to assign nodes in a network to groups of nodes are described. The techniques include representing hosts in the network by property vectors that encode information about the hosts, identifying properties of the property vector by integers in the property vector for the host and determining proximity of hosts according to the property vectors and grouping the hosts according to the determined proximity.Type: GrantFiled: October 4, 2004Date of Patent: July 27, 2010Assignee: Riverbed Technology, Inc.Inventor: Benjamin Wilken
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Patent number: 7675880Abstract: A system and method for estimating power of a wireless system simultaneously estimates and displays a code domain power and a time domain power in the system which may be a wireless communication system that mixes TDMA and CDMA methods such as WCDMA TDD and TD-SCDMA. The method includes designating a section where an output power is to be estimated, estimating a time domain power in the designated section; estimating a code domain power in the designated section, and displaying the estimated time domain power and the code domain power on a display unit.Type: GrantFiled: November 24, 2004Date of Patent: March 9, 2010Assignee: LG Electronics Inc.Inventor: Seung-Min Kim
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Patent number: 7551946Abstract: A cellular telephone set can increase number of display patterns of animation display without occupying large storage region in the memory and without performing setting operation every time. The character presentation means determines character to be desplayed in each event screen upon depression of call release button after telephone calling, depression of call release button after telephone call reception, upon occurrence of at least one of presence of not responded call and newly received mail, and upon variation of state between open state and closed state of the first and second casings, depending upon calling history, time of calling, call arriving history, time of call arrival, and timing of detection of variation of state between open state and closed state of the first and second casing by the detecting means.Type: GrantFiled: September 29, 2003Date of Patent: June 23, 2009Assignee: NEC CorporationInventor: Hidehiko Kameyama
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Patent number: 7546147Abstract: Before issuing a device name acquisition request, a wireless communication control utility displays device addresses acquired by responses to a station discovery request, as a list of the addresses of connectable devices on an LCD, and presents the list to the user, who is then able to select a device. A user who recognizes the correspondence between device addresses and devices can quickly and easily select a device.Type: GrantFiled: September 9, 2004Date of Patent: June 9, 2009Assignee: Kabushiki Kaisha ToshibaInventors: Yasuyo Jitsuishi, Takashi Kusubashi
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Patent number: 7496084Abstract: A mobile node having two or more interfaces, a control method of the mobile node, and a mobile node control program are disclosed. The mobile node includes a generating unit to generate control information for each interface, an information providing unit for providing the control information provided by each interface to an upper layer, and a routing controlling unit to perform at least one of determining connectivity, and updating a routing based on the provided control information.Type: GrantFiled: June 30, 2005Date of Patent: February 24, 2009Assignee: NTT DoCoMo, Inc.Inventors: Masahiro Inoue, Koji Omae, Ichiro Okajima, Narumi Umeda
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Patent number: 7486947Abstract: A mobile communication device capable of issuing a report as quickly as possible to a report destination of which telephone number or electronic mail address varies depending on the current position is provided. When identification information of the report destination is inputted, the identification information is converted to a communication address such as a telephone number or electronic mail address for the report destination corresponding with the current position of the mobile communication device such as a cellular phone by means of pattern matching and call request or transmission processing is performed. In the case of a mobile communication device with a high processing performance, the current position is located by activating the GPS prior to receiving a position communication request from the report destination, and the current position is communicated on the basis of the position communication request.Type: GrantFiled: June 27, 2005Date of Patent: February 3, 2009Assignee: Fujitsu LimitedInventors: Hiroyuki Katsumata, Hayato Sasaki, Kazuyuki Sato
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Patent number: 7447184Abstract: Methods and systems for detecting a masquerading wireless device in a local area network are provided. The method includes receiving a first packet and a second packet. Preferably, the first packet includes a first identity information and a first time information, and the second packet includes a second identity information and a second time information. The method can compute, using the first time information, a first approximation to a starting time of a wireless device associated with the first identity information. The method can also compute, using the second time information, a second approximation to a starting time of a wireless device associated with the second identity information. The method further includes determining whether a masquerading wireless device is present in the local area network based on at least the first and second approximations.Type: GrantFiled: November 19, 2004Date of Patent: November 4, 2008Assignee: AirTight Networks, Inc.Inventors: Shrinivas Kharvandikar, Pravin Bhagwat
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Patent number: 7414998Abstract: A Bluetooth responder device for transmitting non-Bluetooth related data is disclosed. The device (2) comprises means for receiving non-Bluetooth data to be sent, means for receiving an incoming Bluetooth inquiry packet, means for generating a Bluetooth FHS packet to be sent in response to the incoming Bluetooth inquiry packet, which FHS packet represents data received via the input; and means for sending the generated Bluetooth FHS packet. The non-Bluetooth data may be carried in an undefined field of the FHS packet.Type: GrantFiled: November 22, 2004Date of Patent: August 19, 2008Assignee: Ezurio LimitedInventor: Mahendra J Tailor
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Patent number: 7389113Abstract: An apparatus and a system, as well as a method and article, may operate to couple a plurality of receivers to a first frequency reference to communicate with a first station over a corresponding plurality of signal paths, and to selectively couple one of the plurality of receivers to a second frequency reference to communicate with a second station over a search signal path not included in the plurality of signal paths.Type: GrantFiled: December 2, 2003Date of Patent: June 17, 2008Assignee: Intel CorporationInventor: David Johnston
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Patent number: 7324813Abstract: The invention can provide a movable wireless network that is capable of operating in a multiple network environment. The movable wireless network has a coverage area and includes a detector that detects a network event when the coverage area of the movable wireless network overlaps with a coverage area of another wireless network. The invention can further include a controller that changes an operational state of the movable wireless network when the detector detects the network event so that the movable wireless network is able to operate within the coverage area of the other wireless network.Type: GrantFiled: September 13, 2004Date of Patent: January 29, 2008Assignee: AT&T Mobility II LLCInventors: Scott A. Mountney, Mike D. Verstegen, Kevin J. Niemi
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Patent number: 7289804Abstract: Disclosed is a method for establishing a sleep mode in a broadband wireless access communication system. The method for establishing the sleep mode includes a first step of placing a subscriber station into the awake mode after time having a maximum window value lapses, determining whether or not a message representing that there exists data to be transmitted from a base station, placing the subscriber station into the sleep mode when the received message represents that there does not exists data to be transmitted from a base station, and establishing a window value for a present sleep mode based on than a preset window value of a previous sleep mode loop within the maximum window value.Type: GrantFiled: June 25, 2004Date of Patent: October 30, 2007Assignee: Samsung Electronics Co., Ltd.Inventor: Jae-Hyoung Kim
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Patent number: 7286835Abstract: A wireless node location mechanism that employs a differential signal strength metric to reduce the errors caused by variations in wireless node transmit power, errors in signal strength detection, and/or direction-dependent path loss. As opposed to using the absolute signal strength or power of an RF signal transmitted by a wireless node, implementations of the location mechanism compare the differences between signal strength values detected at various pairs of radio receivers to corresponding differences characterized in a model of the RF environment. One implementation searches for the locations in the model between each pair of radio receivers where their signal strength is different by an observed amount.Type: GrantFiled: September 10, 2004Date of Patent: October 23, 2007Assignee: Airespace, Inc.Inventors: Paul F. Dietrich, Gregg Scott Davi
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Patent number: 7249368Abstract: The present invention provides a tuner apparatus operating as a common tuner capable of receiving both satellite digital TV and terrestrial TV broadcasting. A tuner configured, according to the invention operates as follows. As the tuner apparatus receives satellite TV broadcasting, intermediate-frequency signals SIF1 are supplied to its quadrature detector circuit where the SIF1 signals are demodulated into baseband signals SI and SQ by using oscillation signals supplied thereto from its oscillator. As the tuner apparatus receives terrestrial TV or CATV broadcasting, terrestrial TV or CATV broadcast wave signals are supplied to its mixer circuit where these signals are frequency-converted into intermediate-frequency signals SIF1 that fall within the bandwidth of the satellite TV broadcasting SIF1 signals.Type: GrantFiled: May 15, 2001Date of Patent: July 24, 2007Assignee: Sony CorporationInventors: Kazuhiko Maejima, Toshiyuki Yamauchi, Koichi Ohya
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Patent number: 7245902Abstract: A mobile terminal is adapted to receive a message via a mobile communications network; request authentication data from the user of the mobile terminal; and automatically generate an acknowledgement message to the sender of the message including the authentication data.Type: GrantFiled: January 13, 2003Date of Patent: July 17, 2007Assignee: 2 Ergo LimitedInventor: Michael Hawkes
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Patent number: 7242931Abstract: A communications system and method for providing a cellular communications link between a user traveling on a mobile platform (or at a remote location) and a terrestrial based segment. The system and method uses a radio access segment located on board the mobile platform (or at the remote location) to interface with the user's personal communications device. The bearer terminal facilitates the transmission of information to and from the radio access segment, via an off-platform system, to the terrestrial segment. The terrestrial segment manages the communications link between one or more cellular service providers who are accessing the terrestrial segment and the mobile platform (or a remote site). The system does not limit access to the terrestrial segment to only one cellular service provider but instead allows virtually any number of cellular service providers to access the terrestrial segment and to participate in providing a cellular link to the mobile platform (or a remote site).Type: GrantFiled: May 17, 2004Date of Patent: July 10, 2007Assignee: The Boeing CompanyInventors: Ioan Leuca, David W Bogart, Michael de La Chapelle, Thomas R Ott
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Patent number: 7221948Abstract: The invention relates to a method and a device arrangement utilizing the method and a mobile terminal device (14) belonging to the device arrangement, in which method for giving an alert to the user of a cellular network terminal device (14), the user at first searches for interesting objects from the information networks (12) by means of a network browser in the data processing device (11), and after that saves the linking information of the found object as a bookmark into the personal bookmark archive (13). The bookmark archive can be located either in the cellular network terminal device (14), or in some data processing device, such as a server, to which the terminal device (14) can establish a data transfer connection. The information in the bookmark archive (13) is used for giving an alert to the mobile terminal device (14) about an object that interests the user.Type: GrantFiled: June 14, 2004Date of Patent: May 22, 2007Assignee: Nokia CorporationInventor: Timo Tokkonen
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Patent number: 7215979Abstract: A radio station equipped with an array antenna, when transmitting an information symbol sequence to a particular radio station, uses a plurality of vectors, which are produced based on a propagation channel characteristic established between these radio stations, to simultaneously transmit a plurality of symbol sequences, which include the information symbol sequence, by way of vector multiplexing, thereby causing the particular radio station to receive the information symbol sequence, while causing other radio stations of different propagation channels to simultaneously receive a part or all the plurality of symbol sequences. Thus, when data is transmitted to a particular radio station via a radio communication channel, the concealment of information can be secured with a high level of security.Type: GrantFiled: February 12, 2004Date of Patent: May 8, 2007Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Yoichi Nakagawa, Masayuki Orihashi
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Patent number: 7194250Abstract: Provided is a method of providing a Credit Card Calling (CCC) service in a Customized Applications for Mobile networks Enhanced Logic (CAMEL)-based Universal Mobile Telecommunications System (UMTS). The method defines a method of controlling the CCC service that has not yet been defined in the existing UMTS CAMEL structure. Accordingly, it is possible to provide CCC service users with more differentiated, various features of the CCC service.Type: GrantFiled: July 14, 2004Date of Patent: March 20, 2007Assignees: Electronics and Telecommunications Research Institute, KT CorporationInventors: Sun Hwan Lim, Dong Man Jang, Dae Ung Kim
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Patent number: 7187945Abstract: A RF front-end having two antenna switches operatively connected to two separate antennas. The antenna switches can be used to route various transmit and receive paths to the antennas. In particular, one of the antenna switches has three switch position for use in selectively routing the 2 GHz receive paths, and another antenna switch has six switch positions for use in selectively routing the 2 GHz transmit paths and the 1 GHz signal paths. With the disclosed topology, the front-end can be used to support GSM and W-CDMA communications in many regional variants in the world. The supported variants include US1, US2, EU1, EU2 and EU/US modes. The same front-end can also be used in BT/WLAN connectivity. For MIMO purposes, one more antenna switch for the 2 GHz receive paths can be added to the same RF front-end.Type: GrantFiled: April 30, 2004Date of Patent: March 6, 2007Assignee: Nokia CorporationInventors: Tero Ranta, Juha Ellä
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Patent number: 7174167Abstract: A system for mobile communication, based on code division multiple access includes base stations, each of which communicates with mobile stations by using a plurality of radio frequencies covering respective cells, the respective cells including a first cell covered by a first radio frequency and a second cell covered by a second radio frequency. The system further includes a base-station controller which communicates with the base stations, and controls the mobile stations to switch from the first cell of a first base station to the first cell of a second base station via a soft hand-off operation and switch between the first cell and the second cell within any base station via a hard hand-off operation, the base-station controller providing the mobile stations with no direct switch between the second cell of the first base station and the second cell of the second base station.Type: GrantFiled: March 31, 2004Date of Patent: February 6, 2007Assignee: Fujitsu LimitedInventors: Yasunori Otsuka, Jun Oyama