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| Number | Title | Issue Date |
| 8180305 | Communication apparatus, communication system, and communication method There is provided a communication apparatus including a reference electrode; a signal electrode which electrostatically couples to a communication medium; a measurement unit for measuring an impedance of a circuit system including between the reference electrode and... | 05/15/2012 |
| 8165540 | Systems, methods and devices for dual closed loop modulation controller for nonlinear RF amplifier In accordance with various exemplary embodiments of the present invention, systems, methods and devices are configured to facilitate RF envelope amplitude control. For example, a RF envelope amplitude control system comprises: a RF amplifier, wherein the RF amplifie... | 04/24/2012 |
| 7890066 | Radio frequency integrated circuit electro-static discharge circuit The radio frequency integrated circuit (RFIC) electrostatic discharge (ESD) circuit includes an integrated circuit pad and a radio frequency (RF) ESD circuit. The integrated circuit pad provides coupling to an antenna. The RF ESD circuit is coupled to the integrated... | 02/15/2011 |
| 7822394 | Electrostatic protection circuit with impedance matching for radio frequency integrated circuits An electrostatic-discharge/impedance-matching circuit for use in radio frequency (RF) integrated circuits. The electrostatic-discharge/impedance-matching circuit comprises at least one shunt circuit operable to shunt current related to an over-voltage condition and ... | 10/26/2010 |
| 7610027 | Method and apparatus to maintain specification absorption rate at a wireless node A system and method for medium access control (MAC) protocol which controls transmissions in wireless devices to at least substantially comply with specific absorption rate (SAR) limits. The system and method of MAC protocol uses “source-based” time averaging me... | 10/27/2009 |
| 7480494 | Antenna failure detecting device An antenna failure detecting device that can avoid erroneous detection and use a reference voltage of relatively low precision is includes a switch that can short-circuit both the ends of a resistor inserted in a common line. Only when the voltage between both the e... | 01/20/2009 |
| 7440773 | Method for protecting user data in a personal digital assistant (PDA) telephone Provided is a method for protecting user data in a PDA telephone having functions of a PDA and a telephone. The method includes checking a voltage of the PDA telephone through a first low voltage sensor when both the PDA and the telephone are in OFF states and prohi... | 10/21/2008 |
| 7421258 | Compact temperature transmitter with improved lead connections A compact industrial process transmitter is provided having an electronics module that includes a top surface with a plurality of lead attachment points thereon. At least one of the lead attachment points disposed on the top surface of the compact temperature transm... | 09/02/2008 |
| 7412214 | Radio input device A radio input device includes a holding part to be held by an operator; an operation part to be operated by the operator; a transmission part transmitting radio waves from an antenna according to the operation of the operation part; and a blocking part avoiding infl... | 08/12/2008 |
| 7333469 | Method for deep paging A method for compensating for the Doppler effect in a communication system where messages are transmitted at a low data rate to a user terminal that is inside a building. The method comprising acquiring a pilot signal prior to the user terminal entering the building... | 02/19/2008 |
| 7330705 | Method and apparatus for controlling specific absorption rate in a mobile communication terminal A method and apparatus for controlling a SAR (Specific Absorption Rate) in a mobile communication terminal. The SAR is controlled by adjusting a transmission power of a mobile communication terminal. The method for controlling the SAR in a mobile terminal includes t... | 02/12/2008 |
| 7327841 | SAR optimized receptacle for mobile devices A holder for a mobile communication device comprises a receptacle for optimally reducing the SAR value of a mobile communication device secured within the receptacle. At least one material portion, a patch, causing electromagnetic losses may be placed within the rec... | 02/05/2008 |
| 7283843 | Systems and methods for receiver upgrade Systems and methods for an upgradeable and/or reconfigurable receiver are provided. In general, the present invention is directed to providing systems and methods for designing an electronic communication system having easy and cost effective upgradeable receiver sy... | 10/16/2007 |
| 7248844 | Radio frequency integrated circuit electo-static discharge circuit The radio frequency integrated circuit (RFIC) electrostatic discharge (ESD) circuit includes an integrated circuit pin and a radio frequency (RF) ESD circuit. The integrated circuit pin provides coupling to an antenna. The RF ESD circuit is operably coupled to the i... | 07/24/2007 |
| 7245935 | Method and apparatus for transmission power control The invention relates to a system for power control in a cellular communication system. The power control may be operated (201) in a first mode of operation wherein power control data are determined in response to a quality parameter, such as a desired signal... | 07/17/2007 |
| 7236745 | Transceiver power detection architecture A detector module is described wherein the detector module includes a housing with a conductive waveguide, a detector, a temperature sensor, and detector circuitry. The waveguide is made of a conductive material and of an appropriate size for a signal of a particula... | 06/26/2007 |
| 7225003 | Mobile terminal including first and second housings and an antenna A mobile phone includes a lower housing having one and and the other end, an upper housing having one end pivotally connected to the lower housing, and an antenna accommodated close to one end of the lower housing. The other end of the upper housing pivots toward an... | 05/29/2007 |
| 7194282 | Method for controlling transmitting power in a wireless communication device A method for power control of a wireless communication device (2) comprises the steps of defining the transmission power of at least one transmitter (12) of the wireless communication device (2), defining a power index (POWt) on the b... | 03/20/2007 |
| 7181253 | Dual-wing folder radio telephone A dual-wing folder radio telephone is provided. The dual-wing folder radio telephone includes a lower housing, a middle housing, and an upper housing that are connected to a hinge axis. The lower housing has hinge arms formed in one end thereof. Further, the lower h... | 02/20/2007 |
| 7154656 | Radiation absorption in electro-optical devices Electro-optical apparatus includes a housing having at least one electrical subassembly (ESA) and at least one optical subassembly (OSA) therein as well as cavities within the housing and paths for transmitting electrical signals between the electrical and optical s... | 12/26/2006 |
| 7151914 | Transmitter system for wireless communication with implanted devices A transmitter system for wireless communication with implanted medical devices includes a transmitter circuit having a resonant network the resonant frequency of which is adjusted by a feedback circuit in order to minimize the current drain from the power source and... | 12/19/2006 |
| 7151955 | Radio communication device and printed board having at least one electronically conductive correction element The invention relates to a radio communication device having at least one additional, current-conducting correction element connected to a printed board in the device. The correction element and printed board are configured in such a manner that a targeted, virtual ... | 12/19/2006 |
| 7127220 | Apparatus and method to monitor and control power An apparatus to monitor and control power is disclosed. The apparatus may include a detector unit to detect a forward power and a reflected power. The apparatus may also include a control unit to control switching of the forward power from a first load that may be a... | 10/24/2006 |
| 7120398 | Mobile communication devices having high frequency noise reduction and methods of making such devices In accordance with the disclosed embodiment of the present invention, there is provided a technique to control and manage where the currents flow produced by noise producing components such as transmitters, and how to specifically exclude them from critical areas, s... | 10/10/2006 |
| 7099673 | Mobile communication system, and a radio base station, a radio apparatus and a mobile terminal A mobile communication system comprises a detecting unit to detect information concerning a moving speed of a mobile terminal, and a selection controlling unit to select a use frequency in a higher frequency band when the speed information detected by the detecting ... | 08/29/2006 |
| 7088967 | Data-compensating power measurement A method and a device for compensating a data-dependency of a power measurement caused by linear modulation is described. The method comprises performing a first measurement (160) of a transmitted output power and performing a second measurement (160) ... | 08/08/2006 |
| 7071776 | Systems and methods for controlling output power in a communication device A mismatch detector including a directional device adapted to couple signals across the device and a detector coupled to a port on the directional device and configured to measure a reflected power a second detector coupled to a port on the directional device and co... | 07/04/2006 |
| 7072623 | Radio terminal device An enclosure part in the vicinity of a receiver part or an enclosure part to which a user brings its head close during a call is formed out of a nonconductive material of resin or the like, and an enclosure part being lower than the enclosure part of the nonconducti... | 07/04/2006 |
| 7055380 | Transmitter for tire condition monitoring apparatus A transmitter is located in a tire of a vehicle and transmits data indicating a tire condition using a carrier wave. The transmitter has an oscillator circuit and a transmission controller. The oscillator circuit generates the carrier wave. The transmission controll... | 06/06/2006 |
| 7053629 | System and method for detecting the proximity of a body A system and method for sensing the proximity of an electronic device, in particular, a radio frequency mobile communication device such as a mobile telephone, wireless modem equipped portable computer, or the like to a body employs an antenna capable of altering it... | 05/30/2006 |
| 7039435 | Proximity regulation system for use with a portable cell phone and a method of operation thereof A proximity regulation system for use with a portable cell phone and a method of operating the same. In one embodiment, the proximity regulation system includes a location sensing subsystem that is configured to determine a location of the portable cell phone proxim... | 05/02/2006 |
| 7031721 | Method and system for avoiding power outages at the base station in cellular system using variable rate transmission The present invention discloses a method and system for discarding the least amount of data in case a power outage is expected to occur in some timeslot during a future frame. The present invention discloses using Base Station (BS) information on the power transmitt... | 04/18/2006 |
| 7031762 | Mobile terminal including first and second housings and an antenna A mobile phone includes a lower housing having one end and the other end, an upper housing having one end pivotally connected to the lower housing, and an antenna accommodated close to one end of the lower housing. The other end of the upper housing pivots toward an... | 04/18/2006 |
| 7010327 | Portable radiotelephone for automatically dialing a central voice-activated dialing system A portable radiotelephone can be shifted between a first condition wherein the radiotelephone does not receive or transmit voice communications by radiotelephone transmissions over radiotelephone channels and a second condition wherein the radiotelephone receives an... | 03/07/2006 |
| 6999739 | Stacked FET receiver method and apparatus A receiver method and apparatus is presented. Signals are received from a high-voltage environment to a low-voltage environment using low-voltage devices, such as low-voltage FETs. A reference stage (i.e., first stage) provides the reference point for an input signa... | 02/14/2006 |
| 6999736 | Transmitting apparatus A DC voltage input through an input terminal is applied through an inductor, to a power supply circuit unit and an input voltage detecting circuit. The input voltage detecting circuit detects the input DC voltage and when it is detected that the input voltage value ... | 02/14/2006 |
| 6967280 | Frame system for an information handling apparatus A frame system for an information handling apparatus is disclosed. In the system, a first frame and an electronic subsystem cooperate to form at least a partial Faraday cage about an electronic component of the electronic subsystem, and a second frame and a differen... | 11/22/2005 |
| 6960956 | Apparatus and methods for monitoring and controlling power amplifier linearity using detected fundamental and harmonic components An apparatus for monitoring a power amplifier coupled to a transmission medium includes a detector circuit, coupled to the transmission medium, that generates first and second detector signals corresponding to respective fundamental and harmonic components of a powe... | 11/01/2005 |
| 6958985 | Mobile communication system In a mobile communication system, a subscriber station MS11 changes the time slot for receiving a frame from a base station 1 in accordance with TS change information sent from the base station, while the base station 1 changes the time slot for... | 10/25/2005 |
| 6957051 | Apparatus for local reduction of electromagnetic field using an active shield and method thereof An apparatus and method for shielding an operator from electromagnetic fields emitted from an antenna in a portable communication device. A plurality of active shields are placed between the operator's earpiece and the antenna to dampen the effects of the electromag... | 10/18/2005 |
