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| Number | Title | Issue Date |
| 7177621 | Wireless communication medium and method for operating the same A wireless communication medium includes an antenna, an analog signal processor, a digital signal processor, and a central processing unit & logic module. The antenna transmits and receives a signal to and from an external apparatus. The analog signal processor conv... | 02/13/2007 |
| 7174147 | Bandpass filter with tunable resonator A tunable bandpass filter is provided that comprises a first shunt-connected ferroelectric (FE) tunable tank circuit having a first node to accept an input signal. A second shunt-connected FE tunable tank circuit has a second node to supply a bandpass filtered signa... | 02/06/2007 |
| 7174139 | Delay control in a digital radio transmitter system A relative delay between analog R.F. output signals of a plurality of digital radio transmitters in a digital radio transmitter system is controlled. At least one interface receives delay information for each transmitter. A processing unit determines the relative de... | 02/06/2007 |
| 7171185 | Direct conversion receiver and DC offset reducing method A determining section (18) and gain variation amount detecting section (9) detect a period having a possibility of a DC-component offset in an internal circuit of a direct conversion receiver increasing beyond an allowable value due to AGC operation, a... | 01/30/2007 |
| 7171235 | Arrangement and method for reducing losses in radio transmitter The invention relates to an arrangement and method for reducing losses at the transmitting end of a radio apparatus, especially one that operates in more than one system. An interfering transmitter is provided with two antenna filters one of which is a low-pass-type... | 01/30/2007 |
| 7167698 | Balanced sub-harmonic mixer A wide band mixer is provided that mitigates local oscillator leakage. A LO signal is provided to a 180 degree splitter that provides a first intermediate LO signal and a second intermediate LO signal 180° out of phase from one another. Since both the first and sec... | 01/23/2007 |
| 7162215 | Method and system for setting user preference satellite radio music selections in a mobile vehicle A system and method is directed to setting user preference satellite radio music selections in a mobile vehicle. The method provides creating at least one vehicle preference selection list utilizing a user interface, transferring the vehicle preference selection lis... | 01/09/2007 |
| 7158758 | High-speed—WPAN and method for enabling communication between devices located in different piconets A high-speed WPAN (Wireless Personal Area Network) system for enabling communication between piconets is configured by at least one first device located in the child piconet. A C-PNC (Child Piconet Coordinator) device includes a C-MIB (Child Piconet Management Infor... | 01/02/2007 |
| 7155195 | Input and output filtering system for a direct conversion receiver A direct conversion receiver including a filtering system for improving signal reception in the receiver is disclosed. In one embodiment, the direct conversion receiver comprises a first filter adapted to receive a plurality of receive signals comprising a receive b... | 12/26/2006 |
| 7155234 | Connection acceptance control scheme by obtaining available quality value A determination part obtains an available communication quality value from required communication quality values of terminals currently on connection, and a maximum permissible communication quality value determined according to a design of the radio communication s... | 12/26/2006 |
| 7149493 | Direct conversion receiver employing subharmonic frequency translator architecture and related preprocessor A direct conversion receiver for receiving a first input signal and directly downconverting it to baseband frequencies. The receiver includes a frequency translator which is responsive to a phase-split input signal having 2n components, wherein n is an integer great... | 12/12/2006 |
| 7139541 | Radio transmission device and method for aligning parameters thereof The application discloses a radio transmission device for receiving/transmitting of radio packets, comprising: a reception means (34) connected to a mixing means (4) via a transmit/receive switch (32) and an amplifying means (30), said mi... | 11/21/2006 |
| 7136618 | Satellite broadcast receiving converter with lower power consumption A control portion detects the presence or absence of a pulse signal provided from a satellite broadcast receiver through a port PO to output a control signal PDOUT. In accordance with control signal PDOUT, a power supply circuit stops a supply of one of a power supp... | 11/14/2006 |
| 7130607 | Adjusting a programmable mixer A method for adjusting a programmable mixer of a local oscillation module to reduce local oscillation leakage begins by determining at least one of: DC offset of an input signal of the programmable mixer and process mismatches between a first mixing stage and a seco... | 10/31/2006 |
| 7130666 | Cell phone charger with incoming call indicator The present invention provides a battery charger for cell phones which operates off the cigarette lighter receptacle of a vehicle. The battery charger includes a visual indication that is activated by electromagnetic induction from the ringing current that is genera... | 10/31/2006 |
| 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 |
| 7120411 | Low noise amplifier (LNA) gain switch circuitry A circuit is formed to steer current in and out of an inductive load in a manner that enables an amplifier to provide a plurality of gain steps without modifying an LC time constant for the circuit and, therefore, without modifying the tuning or frequency of oscilla... | 10/10/2006 |
| 7116950 | Direct-conversion transmitting circuit and integrated transmitting/receiving circuit A transmitter is provided which includes a transmitting circuit that does not require a high-performance low noise VCO restricting cost reduction thereof and that can reduce the number of parts without requiring an RF filter. A direct conversion that does not requir... | 10/03/2006 |
| 7116954 | Tunable bandpass filter and method thereof The present invention provides a tunable bandpass filter and method thereof. In a preferred embodiment, the tunable bandpass filter uses variable ferro-electric capacitors to adjust both the passband and the notch across the normal operating range of a wireless comm... | 10/03/2006 |
| 7117022 | CDMA base station system A RF characteristic analyzer for a communications system including an input/output module, coupled to the communications system, a first analyzing circuit coupled to receive and analyze a transmission signal of the communications system through the input/output modu... | 10/03/2006 |
| 7113759 | Controller area network transceiver having capacitive balancing circuit for improved receiver common-mode rejection A controller area network transceiver and a transmission method for a controller area network provides improved symmetry between its differential output signal CANH and CANL such that capacitive imbalance is minimized. The transceiver disclosed herein includes a dri... | 09/26/2006 |
| 7113760 | Direct conversion receiver for amplitude modulated signals using linear/log filtering A receiver circuit that includes a direct conversion receiver that receives a modulated signal, and generates an in-phase differential signal and a quadrature-phase differential signal. The receiver circuit includes an in-phase branch that processes the in-phase dif... | 09/26/2006 |
| 7113761 | RF power device with on-chip digital control and optical interface RF power device module (500) having an RF power device chip (206) which integrates an RF power device (208) with at least one of DC detector circuits (201, 202), RF detector circuits (203, 204), and thermal detector circuit (235... | 09/26/2006 |
| 7110736 | Analog peak detection circuitry for radio receivers A receiver portion of a radio includes an analog circuit for determining a peak amplitude in a way that eliminates or reduces the effects of frequency errors that are introduced by crystals within filters and other devices. A voltage follower and a current mirror in... | 09/19/2006 |
| 7107015 | ISM band to U-NII band frequency transverter and method of frequency transversion A frequency transverter (10) and method for enabling bi-frequency dual-directional transfer of digitally encoded data on an RF carrier by translating between a crowded or otherwise undesirable first frequency band, such as the 2.4 GHz ISM band, and a less-cro... | 09/12/2006 |
| 7095999 | Signal processing semiconductor integrated circuit device A semiconductor integrated circuit comprising a first circuit block including an oscillation circuit considered to be a noise generator and a second circuit block including circuits considered to be easily affected by a noise generated by the oscillation circuit, be... | 08/22/2006 |
| 7092685 | Method for tuning a radio filter and a system for tuning a radio filter The present invention relates to a method and a system for tuning a radio filter. The radio filter comprises at least one resonator module, each of said at least one resonator module having a tuning mechanism, a filter input connection, a filter output connection. H... | 08/15/2006 |
| 7082291 | Automatic gain control A method for controlling gain of an amplifier includes amplifying one or more received signals to produce one or more amplified signals. The method also includes generating a plurality of down converted signals using the one or more amplified signals. The method fur... | 07/25/2006 |
| 7079863 | Digital broadcasting receiving apparatus A digital broadcasting receiving apparatus has a fixed unit and a portable unit removably attached to the fixed unit. The fixed unit includes a tuner portion, a first memory, an audio decoder portion, an audio amplification/control portion and a first radio IF. The ... | 07/18/2006 |
| 7079822 | Method of and apparatus for multi-channel management, multi-channel interference management method, multi-channel terminal, method of and apparatus for multi-channel setting, and computer product A multi-channel input system connects between a plurality of terminals and a plurality of radio keyboards corresponding to these terminals by radio links (channels), according to a multi-channel system. A high-order terminal has a CPU that manages a setting status o... | 07/18/2006 |
| 7076232 | Method and apparatus for DC offset cancellation A radio transceiver includes amplification circuitry that is coupled to receive a down converted signal and to provide infinite rejection of any DC component added by the down conversion circuitry. Specifically, an amplification stage includes a voltage integrator t... | 07/11/2006 |
| 7072685 | Digital/analog broadcast receiver When a digital broadcasting channel and an analog broadcasting channel, over which the same program is currently being transmitted, are provided by a broadcasting station, upon each depression of a digital/analog switching button on an operating unit, an MPU alterna... | 07/04/2006 |
| 7072626 | Polar modulation transmitter A polar modulation transmitter circuit provides reduced ACPR in its output signal by controlling the relative delay between its envelope and phase modulation operations based on direct or indirect feedback measurement the output signal's ACPR. Such measurement and a... | 07/04/2006 |
| 7072635 | Method for combining data from phase indeterminate data streams for raking A received wireless signal contains a plurality of path components, each having a phase indeterminate data stream derived from an original data stream. The receiver splits the received signal into N signal copies for N raking channels, which correlate each of the N ... | 07/04/2006 |
| 7062244 | Speed-up mode implementation for direct conversion receiver A speed-up mode control system is operative to generate a speed-up mode signal based on a gain control signal from associated digital circuitry. The speed-up mode signal controls electronics associated with one or more amplifiers to facilitate settling time of an ou... | 06/13/2006 |
| 7062292 | Computer system with wireless audio signal receiving module A computer system includes a wireless audio signal receiver module for receiving a wireless signal from a wireless transmitter separated from the computer system. The wireless audio signal receiving module includes a mode selector that is switchable between an audio... | 06/13/2006 |
| 7058377 | Dual channel downconverter for pulsed radio frequency measurements A dual channel downconverter that includes a two-channel heterodyne receiver architecture for downconverting two frequency-agile, pulsed RF signals to identical fixed IF signals without the use of a tunable local oscillator. This accomplishes downconversion while pr... | 06/06/2006 |
| 7058425 | Communication apparatus and communication method Baseband signal generator 107 outputs a transmission baseband signal with a coefficient for setting antenna directivity multiplied and a gain control signal to transmit power amplifier 114 and transmit power amplifier 114 amplifies the transmiss... | 06/06/2006 |
| 7050769 | Electronic apparatus and design method The invention realizes a wireless communication module that is capable of transmitting the fundamental wave with low loss and reducing the double higher harmonic wave level to a desired level or lower as the whole module. The invention provides a front end module to... | 05/23/2006 |
| 7046976 | Receiving device with automatic gain control The invention aims to minimize the analogue/digital converter over-dimensioning within the framework of reception of signals originating from a satellite and exhibiting power levels which can vary over time. The invention proposes a technique of automatic gain contr... | 05/16/2006 |
