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| Number | Title | Issue Date |
| 8175658 | Power apparatus, wireless communication apparatus having the same, and power supplying method thereof A wireless communication apparatus includes: a wireless communication unit which performs wireless communication; a converter which converts an input voltage into an output voltage in a switched-mode to supply the output voltage to the wireless communication unit; a... | 05/08/2012 |
| 8108012 | Methods and systems for increasing and decreasing a power level of a forward-link overhead channel Methods and systems are provided for increasing and decreasing a power level of a forward-link overhead channel. In an embodiment, a BTS (i) receives from at least one mobile station an increase request, each increase request requesting that the BTS increase a power... | 01/31/2012 |
| 8099139 | Power control using fast signal envelope detection A method for controlling output signal power in a communication terminal includes determining envelopes of a communication signal to be transmitted by the communication terminal at respective first and second measurement points along a transmission chain in a transm... | 01/17/2012 |
| 8086280 | Explosion proof communications relay and communications system A wireless communication system for use in an explosive environment includes at least a pair of explosion-proof communication relay modules which relay communication to mobile communication devices in locations beyond the reach of normal wireless communications with... | 12/27/2011 |
| 8019393 | Signal receiver circuit A signal receiver circuit including a transmission gate, a pull-low unit, a boost capacitor, a voltage division unit, and a receiver unit is provided. The transmission gate determines whether to conduct an input signal according to a control signal. The pull-low uni... | 09/13/2011 |
| 8005513 | Cell phone signal booster A system and a method achieve a higher level of stable gain for a cellular telephone booster (repeater) than previously considered to be achievable. An RF signal booster includes active stability control provided by an active stability network. The active stability ... | 08/23/2011 |
| 7702369 | Method of increasing battery life in a wireless device Disclosed is a circuit, comprising a device having a minimum operating voltage, a voltage supply, wherein the voltage supply may have a value above or below or equal to the minimum operating voltage of the device, a voltage boost converter circuit having a boosted v... | 04/20/2010 |
| 7373164 | Apparatus and methods for wireless communication transmission power control that supports physical channel reconfiguration Apparatus and methods for wireless communication transmission power control are provided. Determination of gain factors and adjustments for physical channel reconfiguration in the context of transmission power control are addressed. Preferably, implementation is in ... | 05/13/2008 |
| 7372333 | Monolithic supply-modulated RF power amplifier and DC-DC power converter IC Embodiments of RF power amplifiers are disclosed that include switched-mode power amplifiers supplied by synchronous buck DC-DC converters. The switched-mode power amplifiers can be used to amplify a limited form of an RF input signal and the supply to the switched-... | 05/13/2008 |
| 7369882 | Sliding/swing-type portable apparatus having self-retaining function A sliding/swing-type portable apparatus having a self-retaining function includes a main body; a battery cover coupled to the bottom surface of the main body in a predetermined position so that it can rotate about a first hinge axis toward or away from the main body... | 05/06/2008 |
| 7359713 | Battery consumption optimization for mobile users Systems and methods are disclosed to provide power management for a mobile communication device having a location determination function. The frequency of the location determination function may be adjusted based on whether the mobile communication device is moving ... | 04/15/2008 |
| 7348760 | Power management topologies A wake up circuit according to one embodiment includes a comparison circuit and an output decision circuit. The comparison circuit may be adapted to receive a first signal representative of a charging current level provided to a battery via a path and a second signa... | 03/25/2008 |
| 7342955 | Apparatus and method for mobile communication device transmission An apparatus and method for transmission power amplifier bias control in an enhanced data rate for global system mobile evolution mobile communication device. The apparatus can include a transmitter configured to transmit information on an enhanced data rate for glo... | 03/11/2008 |
| 7340270 | Method for RF output power control of a wireless communication device The present invention discloses a method for RF output power control of a wireless communication device by switching the wireless communication device between different modes according to a state parameter corresponding to a received beacon. These modes include a no... | 03/04/2008 |
| 7336978 | Mobile device having an overcurrent cutoff function A mobile device having an overcurrent cutoff function. In a mobile device having at least one function module, the mobile device includes a main power supply which supplies power to the mobile device, a power detection unit which detects whether power from the main ... | 02/26/2008 |
| 7337257 | Adapter unit for a personal digital assistant having automatically configurable application buttons The present invention relates generally to an adapter unit for a personal digital assistant. More specifically, this invention relates to an adapter unit that provides additional functionality, and improved ergonomics and increased ruggedness to the personal digital... | 02/26/2008 |
| 7333821 | Methods and apparatus for terminating use of quick paging channel based on high capacity power source usage In one illustrative example, a mobile communication device has a wireless transceiver; an antenna coupled to the wireless transceiver; one or more processors coupled to the wireless transceiver; and a power source interface which is adapted to connect with a power s... | 02/19/2008 |
| 7324790 | Wireless transceiver and method of operating the same A transceiver 400 is provided in an ultrawide bandwidth device, which includes an antenna 110, a transmitter circuit 145, and a receiver circuit 165. A transmitter amplifier 440 is provided between the antenna 110 and the tr... | 01/29/2008 |
| 7321632 | Method and apparatus for multi-algorithm detection Embodiments of the present invention provide a method, apparatus and system for detecting a transmitted signal according to a detection algorithm selected from two or more detection algorithms based on a predetermined selection criterion. ... | 01/22/2008 |
| 7313176 | Programmable on chip regulators with bypass A device and a method for processing high data rate serial data includes circuitry for recovering or generating a clock based with varying amounts of phase noise or jitter based upon a particular application. To achieve the foregoing, regulated and unregulated power... | 12/25/2007 |
| 7310381 | Power amplifier pre-distortion device and method for orthogonal frequency division multiplexing In some embodiments of the present invention the nature of an input signal is identified and the amplification of a pre-amplifier and a power amplifier in a transmitter system are modified responsive to whether the momentary content of the input signal is a preamble... | 12/18/2007 |
| 7305041 | Peak suppression of multi-carrier signal with different modulation A technique for peak suppression, phase and amplitude equalizer of multi-carrier signals with different modulation is described. The input to the multi-carrier power amplifier is modified by a peak suppression, phase and amplitude equalizer circuit prior to being ap... | 12/04/2007 |
| 7292881 | Holder, electrical supply, and RF transmitter unit for electronic devices A holder, electrical supply, and optional RF transmitter unit to hold, supply power to, and receive a data signal from an operating electronic device when the device (e.g., MP3 player) is held in the unit is disclosed. Electrical power enters the unit's power acquis... | 11/06/2007 |
| 7268517 | Method and system for energy reclamation and reuse The present invention relates to a system and method for harvesting ambient electromagnetic energy, and more particularly, to the integration of antennas and electronics for harvesting ubiquitous radio frequency (RF) energy, transforming such electromagnetic energy ... | 09/11/2007 |
| 7266104 | Time division protocol for an AD-HOC, peer-to-peer radio network having coordinating channel access to shared parallel data channels with separate reservation channel An ad-hoc, peer-to-peer radio system includes a series of radio terminals forming a service group, each radio terminal having a transceiver for communicating with terminals in the same service group, computer means, and memory for storing program software. Within th... | 09/04/2007 |
| 7251485 | Wireless LAN terminal device, portable data terminal system, mobile phone, wireless LAN communication method, method for providing service, and method for transferring incoming call A portable wireless LAN terminal device attachable to an external connecting terminal installed in a portable external connection device, such as a portable data terminal device, includes a device body (2); means for transmitting and receiving (6-9 | 07/31/2007 |
| 7225353 | Information preservation on a portable electronic device A system and method for information preservation on a portable electronic device. A signal indicating an energy capacity threshold remaining in the battery of a hand held device may be generated. Then, responsive to such a signal, information may be copied from a vo... | 05/29/2007 |
| 7221967 | Enhanced gain selected cell phone booster system Apparatus for boosting the signal between a cell phone (14) and a cell site (16), which includes an amplifier (64) that continually operates at a fixed gain. A power detector (72) controls an attenuator (62) that can be switched to... | 05/22/2007 |
| 7221950 | Auto sensing home base station for mobile telephone with remote answering capabilities The present invention discloses in one embodiment a mobile telephone capable of communicating with a home base station through radio signals. The mobile telephone registers with a home base station before beginning to communicate with the home base station. The home... | 05/22/2007 |
| 7218951 | Continuous closed-loop power control system including modulation injection in a wireless transceiver power amplifier A single continuous closed-loop power control feedback system provides seamless power control for a power amplifier and also enables an AM signal to be injected into the power amplifier through the power amplifiers' control port. The AM signal is developed by an I/Q... | 05/15/2007 |
| 7212504 | Time division protocol for an ad-hoc, peer-to-peer radio network having coordinating channel access to shared parallel data channels with separate reservation channel A novel protocol for an ad-hoc, peer-to-peer radio network that provides collision-free channel access with an emphasis on improving geographic reuse of the frequency spectrum. The protocol of the invention is executed on the reservation or control channel, and prov... | 05/01/2007 |
| 7206600 | Method and apparatus of antenna detection and authentication Briefly, a method and apparatus for decoding and authenticating an antenna is disclosed. The method may include detecting attachment of an antenna to a transmitter by authenticating a cipher received from the antenna. The method further includes suspending transmiss... | 04/17/2007 |
| 7197016 | Time division protocol for an ad-hoc, peer-to-peer radio network having coordinating channel access to shared parallel data channels with separate reservation channel A novel protocol for an ad-hoc, peer-to-peer radio network that provides collision-free channel access with an emphasis on improving geographic reuse of the frequency spectrum. The protocol of the invention is executed on the reservation or control channel, and prov... | 03/27/2007 |
| 7197325 | Power control apparatus with PAM reference voltage tuner for a mobile terminal A transmission power control apparatus of a mobile terminal includes an intermediate frequency automatic gain controller for receiving a transmission intermediate frequency signal and performing an intermediate frequency automatic gain adjustment. A power amplifier ... | 03/27/2007 |
| 7173492 | High frequency power amplification electric part and wireless communication system The present invention provides a high frequency amplifier suitable for use in a wireless communication system which performs detection of an output level necessary for feedback control by a current detection system, wherein control sensitivity in an area low in tran... | 02/06/2007 |
| 7151769 | Prioritized-routing for an ad-hoc, peer-to-peer, mobile radio access system based on battery-power levels and type of service An ad-hoc, peer-to-peer radio access system having a series of remote terminals, where each remote terminal is capable of forming a node, or hop, of the routing of a call made by one of the series of terminals. The call is routed along a routing path of terminals ba... | 12/19/2006 |
| 7149539 | Program for self-adjusting power at a wireless station to reduce inter-channel interference The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network can therefore include multiple APs, each of which will automatically... | 12/12/2006 |
| 7136667 | Method and radio terminal equipment arrangement for power control, radio terminal equipment and secondary terminal unit The invention relates to radio terminal equipment arrangement comprising radio terminal equipment and one or more secondary terminal units, the radio terminal equipment being configured to communicate with the one or more secondary terminal units by using wireless l... | 11/14/2006 |
| 7133391 | Time division protocol for an ad-hoc, peer-to-peer radio network having coordinating channel access to shared parallel data channels with separate reservation channel A novel protocol for an ad-hoc, peer-to-peer radio network that provides collision-free channel access with an emphasis on improving geographic reuse of the frequency spectrum. The protocol of the invention is executed on the reservation or control channel, and prov... | 11/07/2006 |
| 7130609 | Wireless backup telephone device and associated support system A wireless telephone backup device for landline telephone equipment that may be located on the customer side of the landline service connection, typically in a restricted access location, such as an attic, basement, or utility closet. An interconnection circuit in t... | 10/31/2006 |
