| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 455127100 |
Power control, power supply, or bias voltage supply
| 412 |
| 455114200 |
Noise or interference elimination
| 199 |
| 455101000 |
Diversity
| 121 |
| 455115100 |
Measuring, testing, or monitoring of transmitter
| 111 |
| 455129000 |
With coupled antenna
| 48 |
| 455110000 |
Angle modulation
| 45 |
| 455118000 |
Frequency conversion
| 41 |
| 455120000 |
Including tuning
| 36 |
| 455102000 |
Plural modulation
| 36 |
| 455095000 |
Mobile or portable
| 34 |
| 455108000 |
Amplitude modulation
| 28 |
| 455126000 |
With feedback of modulated output signal
| 25 |
| 455103000 |
Plural separate transmitters or channels
| 23 |
| 455128000 |
With casing or housing
| 18 |
| 455114100 |
Having harmonic radiation suppression
| 11 |
| 455093000 |
Convertible to different type (e.g., AM to FM) | 4 |
| 20080214126 | ADAPTIVE MODE TRANSMITTER FOR PAPR REDUCTION AND LINK OPTIMIZATION - An adaptive mode transmitter enables either OFDMA or SC-FDMA modulation schemes to be used during transmission of a wireless signal, such as during mobile phone use. The modulation scheme is selected automatically, and is based on characteristics of the transmitting entity, such as bandwidth allocation, selected modulation order, and transmit power. | 09-04-2008 |
| 20090054012 | Transmitter and Transmission Method Thereof - A signal transmission method includes: converting an input signal to generate a first converted signal having a first bandwidth, and a second converted signal having a second bandwidth; mixing the first converted signal with an oscillation signal to generate a first mixed signal, and mixing the second converted signal with the oscillation signal to generate a second mixed signal; and transmitting the first and second mixed signals by different antennas; wherein the input signal has a predetermined bandwidth, the first bandwidth is smaller than the predetermined bandwidth; and the second bandwidth is smaller than the predetermined bandwidth. | 02-26-2009 |
| 20100330936 | MULTIBAND ANTENNA AND WIRELESS COMMUNICATION DEVICE EMPLOYING THE SAME - An exemplary multiband antenna includes an antenna module and a switch module electrically connected to the antenna module. The antenna module includes a first antenna member, a second antenna member, and a third antenna member, which are mounted on a main board. The antenna module is electrically connected or disconnected by operating the switch module to form different antenna structures for receiving different wireless signals. | 12-30-2010 |
| 20110105055 | SINGLE POLE MULTI THROW SWITCH - A single pole multi throw switch comprises a first switching unit, a second switching unit coupled to a common port and comprising a parasitic off state capacitance, and a matching unit. The matching unit may be coupled between the first switching unit and the common port, wherein the matching unit is configured to contribute, in conjunction with the parasitic off state capacitance of the second switching unit, to an impedance match if the first switching unit is active and the second switching unit is inactive. | 05-05-2011 |
| 455107000 |
With variation of antenna impedance or dimension for modulation | 4 |
| 20130178175 | VOLTAGE STANDING WAVE RATIO DETECTION CIRCUIT - There is provided a voltage standing wave ratio detection circuit which includes a filter that limits a frequency of a transmission wave, a detection circuit that detects a reflected wave of the transmission wave, the transmission wave being reflected from a load connected in a later stage of the filter and having passed through the filter, a storage device that stores correction information on the basis of a reflected wave generated at a time which a reference load has been connected in the later stage of the filter, and an arithmetic circuit that corrects a voltage standing wave ratio calculated on the basis of the reflected wave and the transmission wave by correcting the reflected wave detected by the detection circuit on the basis of the correction information. | 07-11-2013 |
| 20140018020 | WIRELESS COMMUNICATION DEVICE USING TIME-VARIANT ANTENNA MODULE - Embodiments of the present disclosure describe methods, apparatuses, and systems related to a wireless communication device using time-variant antenna. Other embodiments may be described and/or claimed. | 01-16-2014 |
| 20160112075 | OSCILLATION CIRCUIT AND TRANSMITTER INCLUDING THE SAME - Provided is an oscillation circuit including a voltage adjuster adjusting a magnitude of a power supply voltage according to a digital signal, an LC tank circuit connected between first and second nodes and generating a resonance signal on a basis of the magnitude adjusted power supply voltage, and a differential amplification circuit oscillating the resonance signal or modifying an oscillation state of the resonance signal to output first and second output voltage signals to the first and second nodes, respectively. | 04-21-2016 |
| 20160254829 | WIRELESS COMMUNICATION DEVICE USING TIME-VARIANT ANTENNA MODULE | 09-01-2016 |
| 455092000 |
Remote control of a transmitter | 3 |
| 20100136930 | Radio Transmission Apparatus and Control Apparatus for Events Rooms as Well as Corresponding Method - Radio systems for supplying hearing apparatus in events rooms are of a more convenient design. To this end a radio transmission apparatus is provided for transmission of speech signals in an events room. It possesses a receive device for receiving at least one control signal and a switching device for switching the radio transmission apparatus on and/or off depending on the received control signal. In addition a control apparatus is provided for controlling the radio transmission device, with which speech signals are transmitted in an events room. This control apparatus possesses a detection device to detect a presence or a movement of the radio transmission device in the events room and a transmit device for transmitting a control signal to the radio transmission device depending on the detection result of the detection device. This allows a transmit device of a teacher to be switched off when they leave the classroom. | 06-03-2010 |
| 20140179246 | Broadband re-configurable RF transmitter - An RF transmitter system operating on a broader frequency range and providing a higher output power dynamic range is described. Low power RF signal is produced from a baseband signal using a quadrature modulator and using a broadband local oscillator signal. A microcontroller system controls the RF transmitter by selecting frequency range to be produced by the frequency synthesizer, selecting appropriate amplification path for producing the required output power, controlling the power detection sections for providing precise automatic power and automatic gain control. | 06-26-2014 |
| 20160050542 | Location-Based Operational Control of a Transmitter - A method includes receiving location information from a Global Positioning System receiver, retrieving geo-fence data from a geo-fence database corresponding to a boundary of a jurisdiction, automatically selecting between a first or second frequency band satellite transmitter based on the comparison. | 02-18-2016 |
| 455106000 |
Modulation by absorption, shielding, or reflecting | 3 |
| 20080233898 | System and method for a time alignment analog notch - System and method for creating a time alignment analog notch. An embodiment includes a digital power amplifier coupled to an enable signal line and to a digital control bits bus, and a matching network coupled to the digital power amplifier. The matching network to provide impedance matching and the digital power amplifier to produce a current based on a value on the digital control bits bus. The digital power amplifier comprises a selection circuit and a plurality of transistors. The transistors, controlled by outputs of the selection circuit, provide a current based on the value on the digital control bits bus. The adjustment of a delay between a signal on the enable signal line and the values on the digital control bits bus creates an analog notch at about Fs/2, where Fs is a sampling frequency of a sigma-delta modulator used to modulate data provided to the digital power amplifier. | 09-25-2008 |
| 20100190456 | Adaptive Antenna Transmission and Antenna Calibration - The present invention relates to a method for adapting transmission parameters in a transmitter T | 07-29-2010 |
| 20110195677 | Stacked CMOS power amplifier and RF coupler devices and related methods - Stacked CMOS power amplifier (PA) and radio frequency (RF) coupler devices and related methods are disclosed. The stacked device includes a CMOS PA die configured to receive a transmit input signal and to output an amplified transmit signal, and a RF coupler device configured to receive the amplified transmit signal, to output an antenna transmit signal, and to output an RF signal proportional to the antenna transmit signal. The CMOS PA die and the RF coupler device are stacked on top of and electrically coupled to each other, and the CMOS PA die and the RF coupler device are combined within a single semiconductor package. In some embodiments, the RF coupler device is positioned on top of the CMOS PA die, and in other embodiments the CMOS PA die is positioned on top of the RF coupler device. | 08-11-2011 |
| 455119000 |
Carrier frequency stabilization | 3 |
| 20100233976 | OSCILLATING CIRCUIT AND RADIO COMMUNICATION APPARATUS - According to an aspect of the invention, an oscillating circuit includes: a first MOS transistor having a first drain terminal and a first source terminal; a load element connected to the first drain terminal; and an oscillator connected to the first source terminal and outputs a fundamental signal and a harmonic signal, wherein the harmonic signal is amplified so that the amplified harmonic signal is output from the first drain terminal. | 09-16-2010 |
| 20110111710 | Methods and Apparatuses for Frequency Filtering for Non-Centered Component Carrier Transmission - In accordance with an example embodiment of the present invention, an apparatus comprises a first multiplier configured to convert a first frequency signal into a second frequency signal based at least in part on a first complex-valued local oscillator signal, a pair of low-pass filters configured to filter the second frequency signal, and a second multiplier configured to convert the filtered second frequency signal into a third frequency signal based at least in part on a second complex-valued local oscillator signal wherein the first frequency signal and the third frequency signal share the same frequency position and the pair of low-pass filters is configured based on an indication of allocated transmitted channels. | 05-12-2011 |
| 20120302185 | TRANSMISSION APPARATUS AND FREQUENCY FLUCTUATION COMPENSATION METHOD - In a transmission apparatus, a comparison unit provides threshold values associated with an amount of data indicating a signal frequency, and compares an input parameter obtained by cumulatively adding a correction amount to the parameter with the threshold values. When the input parameter is within a range defined by the threshold values, a correction unit outputs a value of the input parameter. When the input parameter is out of the defined range, the correction unit outputs an associated one of the threshold values so as to eliminate an amount exceeding or falling short of the defined range, to thereby correct the input parameter. An addition unit detects the correction amount which is an amount of the immediately preceding value of the input parameter exceeding or falling short of the defined range, and cumulatively adds the correction amount to the input parameter used for the comparison of this time. | 11-29-2012 |
| 455117000 |
With electrical protection of transmitter circuit or operator | 1 |
| 20090253388 | RF ADAPTER FOR FIELD DEVICE WITH LOW VOLTAGE INTRINSIC SAFETY CLAMPING - An adapter for coupling to a process control transmitter of the type used to monitor a process variable in an industrial process includes a first connection configured to couple to a first side of a two wire process control loop, a second connection configured to couple to a second side of the two wire process control loop and in series with a first connection to a process control transmitter, and a third connection configured to couple to a second connection of the process control transmitter. Wireless communication circuitry is coupled to at least the third connection and is configured to provide wireless communication for the process control transmitter. Intrinsic safety circuitry coupled to at least one of the first, second and third connections is configured to limit transfer of electrical energy to a value which is less than an intrinsic safety value. | 10-08-2009 |
| Entries |
| Document | Title | Date |
|---|
| 20080200133 | Radio transmission apparatus having peak suppression function - A radio transmission apparatus executing peak suppression processing to an input signal in at least two stages, includes a first peak detector detecting a first peak, a maximum peak among peaks exceeding a first threshold, for a plurality of envelopes included in a predetermined input signal section; a second peak detector detecting a second peak exceeding a second threshold, on the basis of each input signal envelope; a first peak suppression unit suppressing the predetermined input signal section to the limit of a first level based on the first peak; a modulation signal generation unit generating a modulated signal modulated from the input signal suppressed by the first peak suppression unit; and a second peak suppression unit suppressing the second peak to the limit of a second level by each modulated signal envelope based on the first level and the second peak. | 08-21-2008 |
| 20080207139 | Method and System for a Multisystem Polar Transmitter - Aspects of a method and system for a Multisystem Polar Transmitter may include a single integrated circuit comprising one or more Direct Digital Frequency Synthesizer (DDFS). The single integrated circuit may generate a plurality of signals compliant with at least a first wireless protocol and a second wireless protocol. At least one of the plurality of signals is polar modulated using the DDFS. The single integrated circuit may comprise a plurality of wireless transmitters. In another embodiment of the invention, a plurality of baseband signals compliant with the first and second protocols may be combined. The first protocol may be Bluetooth® and the second protocol may be Wireless LAN. The combined plurality of baseband signals may be modulated via a single wireless transmitter on the integrated circuit. The phase and frequency for polar modulation may be adjusted using the DDFS, while the amplitude may be adjusted using an amplifier. | 08-28-2008 |
| 20080207140 | Integrated circuit with contemporaneous transmission and reception of realtime and non-realtime data and methods for use therewith - A voice data and RF integrated circuit (IC) includes an RF transmitter that generates a transmit signal contemporaneously containing both outbound realtime data and outbound non-realtime data. The integrated circuit optionally includes an RF receiver that contemporaneously generates both outbound realtime data and outbound non-realtime data from a received signal. | 08-28-2008 |
| 20080207141 | Method and Device For Transmitting a Sequence of Transmission Bursts - Methods and device for transmitting a sequence of transmission bursts in a wireless device. The method includes transmitting a sequence of transmission bursts according to a transmission schedule. The method is characterized by: receiving, at a radio frequency integrated circuit, prior to a transmission of at least one transmission burst of the sequence, information representative of the timing of the transmission of the at least one transmission burst; and generating timing signals, by the radio frequency integrated circuit that implement the transmission schedule. A wireless device includes a base band integrated circuit adapted to determine a transmission schedule of a sequence of transmission bursts. The wireless device is characterized by including a radio frequency integrated circuit that is adapted receive information representative of the timing schedule and to autonomously control a transmission of the sequence of transmission bursts. | 08-28-2008 |
| 20080248764 | ELECTRONIC APPARATUS AND METHOD TO CONTROL ELECTRONIC APPARATUS - An electronic apparatus and a control method of the electronic apparatus are provided. A user may perform data communication between the electronic apparatus and an external apparatus connected to the electronic apparatus by moving the external apparatus to move a connector or a dial switch of the electronic apparatus to easily manipulate the electronic apparatus. | 10-09-2008 |
| 20080254754 | Mixer Circuit and RF Transmitter Using Such Mixer Circuit - Described herein are techniques for providing a mixer circuit having a mixer core. The mixer circuit includes a variable current block that is arranged to feed the mixer core with an amplified input signal. | 10-16-2008 |
| 20080305752 | METHOD AND APPARATUS FOR SINUSOIDAL AUDIO CODING AND METHOD AND APPARATUS FOR SINUSOIDAL AUDIO DECODING - A method and apparatus for sinusoidal audio coding and decoding are provided. The method for sinusoidal audio coding includes performing sinusoidal analysis on an input signal and extracting sinusoids of a current frame; tracking and coding a continuation mode sinusoid of the current frame by using a sinusoid of a previous frame which continues to the continuation mode sinusoid; searching for a sinusoid having a closest frequency to a frequency of a birth mode sinusoid of the current frame; calculating and coding a difference between an amplitude of the sinusoid having the closest frequency and an amplitude of the birth mode sinusoid; and coding the frequency of the birth mode sinusoid. | 12-11-2008 |
| 20080305753 | TRANSMISSION DEVICE - A transmission device is provided. The transmission device is operable to transmit data between a rotor and a stator. The transmission device includes at least two pairs of transmission units with one transmission unit embodied as a transmitter and one as a receiver. | 12-11-2008 |
| 20080318534 | TWO-STEP CHANNEL SELECTION FOR WIRELESS TRANSMITTER FRONT-ENDS - A reconfigurable multimode transmitter is disclosed, operating in accordance with a two-step channel selection. The first step provides for a fine channel selection and upconversion of a desired channel to either positive or negative IF. The second step is a coarse channel selection and upconversion of a desired channel to the RF. The receiver and transmitter can be used in a transceiver. | 12-25-2008 |
| 20090004978 | TRANSMITTER BANDWIDTH OPTIMIZATION CIRCUIT - A method is provided for operating a transmitter integrated in a microelectronic element. In a calibration phase, a plurality of operational parameters are stored for controlling a frequency response of the transmitter under each of a plurality of corresponding operating conditions. Upon detecting an operating condition such as a temperature or power supply voltage level, the corresponding stored operational parameter is applied to the transmitter to control the frequency response. | 01-01-2009 |
| 20090023400 | PIEZOELECTRIC OSCILLATOR AND TRANSMITTER - A piezoelectric oscillator includes: a piezoelectric resonator element having a piezoelectric substrate and an excitation electrode formed on a surface of the piezoelectric substrate; a semiconductor circuit element provided with an oscillation circuit for oscillating the piezoelectric resonator element and having a first insulating film formed on a principal surface; a package for airtightly housing the semiconductor circuit element and the piezoelectric resonator element; and a protruding section having at least of a thin film circuit component formed on the first insulating film and connected to the oscillation circuit; and a second insulating film formed on the first insulating film and covering the thin film circuit component. In the oscillator, the piezoelectric resonator element is fixed to an upper surface of the protruding section, | 01-22-2009 |
| 20090029656 | LIN BUS NETWORK, INTEGRATED CIRCUIT AND METHOD OF COMMUNICATING THEREON - A LIN network comprises a transmit driver and a receive comparator for communicating low frequency signals on a single communication bus. The transmit driver is operably coupled to a high frequency detector to detect a high frequency component on the low frequency signal. In response to detecting the high frequency component the LIN network is arranged to perform one or both of the following: route the low frequency signal having a high frequency component through a low pass filter; and/or bypass the low frequency signal having a high frequency component from passing through an active device operably coupled between the transmit driver and the single communication bus. | 01-29-2009 |
| 20090036067 | Communication device with millimeter wave interface and method for use therewith - A communication device has a plurality of circuit modules including a processing module, a memory module and a wireless telephony transceiver for communicating with a network in accordance with a wireless telephony protocol. An RF data bus communicates first data between at least two of the plurality of circuit modules over a first millimeter wave communication path. | 02-05-2009 |
| 20090061795 | WIRELESS ARCHITECTURE FOR 60GHZ - A device has an RF mixer, an IF mixer module, a single synthesizer, a frequency divider, a single side band mixer and a frequency quadrupler. The single synthesizer generates a signal to the IF mixer module, the frequency divider, and the single side band mixer. The single side band mixer mixes signals from the single synthesizer and the frequency divider. The frequency quadrupler receives the output of the single side band mixer. The RF mixer is coupled to the frequency quadrupler and the IF mixer module. | 03-05-2009 |
| 20090068964 | SYSTEM AND METHOD FOR TRANSMITTING RDS/RBDS DATA - A receiver including first circuitry configured to combine corresponding soft decision values from at least two groups of RDS/RBDS data transmitted as part of a broadcast channel to generate a set of combined values and second circuitry configured to identify a subset of the combined values that indicate a relatively constant subset of the received values from the at least two groups of the RDS/RBDS data is provided. | 03-12-2009 |
| 20090075605 | COMMUNICATION APPARATUS AND NETWORK INFORMATION COLLECTING PROGRAM - A network has communication apparatuses communicatively interconnected in compliance with a maintenance protocol. An LBM frame transmission unit transmits an LBM frame to the network. An MEP information acquisition unit identifies a communication apparatus having transmitted an LBR frame as an MEP when the LBR frame is received, and acquires MEP information from the LBR frame. An LTM frame transmission unit transmits an LTM frame to the MEP identified by the MEP information acquisition unit. An MIP information acquisition unit identifies a communication apparatus as an MIP from an LTR frame when the LTR frame is received as a response to the LTM frame, and acquires MIP information indicating information about the MIP. A topology information generation unit generates topology information representing a configuration of the network from the MEP information acquired by the MEP information acquisition unit and the MIP information acquired by the MIP information acquisition unit. | 03-19-2009 |
| 20090143030 | PROGRAMMABLE TRANSMITTER - A programmable transmitter generates a frame in a frame format according to one of a plurality of operating modes using a frame structure table storing a respective frame format for each of the operating modes. The transmitter includes a frame structure engine that receives a mode selection signal indicative of a select operating mode, and accesses the frame structure table to determine the frame format of the select operating mode. The frame structure engine produces a control signal to a frame generator to control the generation of a frame in the frame format of the select operating mode. | 06-04-2009 |
| 20090203332 | SENDING AND RECEIVING INFORMATION - The present invention relates to a method in a sending device for sending information to a receiving device. The sending device is adapted to emit electromagnetic radiation with different wavelengths. The method comprises sending electromagnetic radiation of a norm wavelength to the receiving device and sending electromagnetic radiation of a second wavelength to the receiving device. The difference between the first wavelength and the second wavelength per time unit represents information to be sent to the receiving device. | 08-13-2009 |
| 20090203333 | High-speed data transmitters - Data transmitter embodiments are provided which are particularly useful as interface devices for accurate and reliable transmittal of data from high-speed data system devices such as analog-to-digital converters. Transmitter embodiments have been found to provide excellent fidelity of data transfer at high data rates (e.g., 4 gigabits/second) while consuming only a portion of the power of many conventional transmitters and requiring only a portion of the layout area of these transmitters. Transmitter embodiments provide effective control of transmitter parameters such as matched impedances, data symmetry, common-mode level, data eye and current drain. | 08-13-2009 |
| 20090209213 | TRANSMITTING AND RECEIVING SYSTEM, TRANSMITTING APPARATUS, TRANSMITTING METHOD, RECEIVING APPARATUS, RECEIVING METHOD, AND PROGRAM - A transmitting and receiving system is provided. The transmitting of receiving system includes a transmitting apparatus to transmit data and a receiving apparatus to receive the data by means of radio communication. The transmitting apparatus includes: data transmission means for transmitting the data; state information reception means for receiving state information indicative of states of the radio communication from the receiving apparatus; and control means for controlling transmission using the data transmission means. When the state information reception means receives state information indicating a degraded state of the radio communication, the control means stores control information for the data transmission means to control transmission immediately before the state information is received; and, when the state information reception means thereafter receives state information indicating a normal state of the radio communication, the control means uses the most recently stored control information to control transmission by means of the data transmission means. The receiving apparatus includes: data reception means for receiving data transmitted from the data transmission means by means of the radio communication; determination means for determining the radio communication state based on data received by the data reception means; and state information transmission means for transmitting state information indicating the radio communication state determined by the determination means to the transmitting apparatus. | 08-20-2009 |
| 20090239484 | RADIO RECEIVER APPARATUS AND RADIO TRANSMITTER APPARATUS - A radio receiver apparatus that can effectively utilize GI to improve the reception quality. In this apparatus, a data extracting part ( | 09-24-2009 |
| 20090239485 | PROCESS DATA TRANSMITTER WITH WIRELESS CAPABILITY - Disclosed is a data transmitter for equipment monitoring including a data input portion capable of receiving data from at least one measurement sensor and a data storage portion capable of storing data received by the data input section. An output portion is capable of outputting data as electric current via an electrical wire, and a radio transmitter is capable of outputting data as a radio signal. A method for collecting data from at least one piece of machinery includes receiving data from at least one measurement sensor in operable communication with the at least one piece of machinery and storing the data in a data storage portion. At least a portion of the data is output as electric current via an electrical wire, and at least a portion of the data is output as a radio signal via a radio transmitter. | 09-24-2009 |
| 20090298445 | System and Method for Transmitting Signals To An Appliance - A transmitter apparatus effective for activating a remotely situated appliance includes a radio frequency (RF) transmitter. The RF transmitter is configured to be mounted to a structural element of a building and configured to receive an actuation by a user to wirelessly transmit a signal. An antenna is coupled to the RF transmission circuitry and is arranged and configured to transmit the signal to a remotely situated appliance. The antenna is disposed within an opening in the structural element of the building and is of dimensions so as to extend at least partially through the opening. The antenna transmits the signal to the appliance without significant interference or absorption from the structural element of the building. | 12-03-2009 |
| 20090311977 | RADIO TRANSMITTER - A radio transmitter for modulating a carrier wave in a predetermined frequency with given information to transmit the modulation signal through an antenna having a predetermined resonance frequency f | 12-17-2009 |
| 20090311978 | RF transceiver incorporating dual-use PLL frequency synthesizer - A frequency synthesizer for use in a transmitter operates to receive outbound transmit data and to modulate the outbound transmit data to produce a modulated RF signal. The modulated RF signal can then be amplified to produce an outbound RF signal. | 12-17-2009 |
| 20090325512 | Transmission of delay tolerant data - Transmission of delay tolerant data. An apparatus includes a processor configured to classify data, on the basis of its delay requirement, into delay tolerant data and into delay critical data, and to control transmission of the delay tolerant data with a transmitter in such a manner that the transmission of the delay tolerant data is timed to coincide with transmission of the delay critical data. | 12-31-2009 |
| 20090325513 | WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD - A wireless communication apparatus wherein the performance can be prevented from degrading due to the affection of a frequency offset, while the sequence length of Zadoff-Chu sequence (ZC sequence) being kept long. In this wireless communication apparatus, a ZC sequence generating part ( | 12-31-2009 |
| 20100029221 | POLYPHASE SEQUENCES FOR WIRELESS COMMUNICATIONS - Polyphase sequence generation is provided for sequences having good aperiodic correlation properties. The sequences can allow lengths not attainable by other types of sequences (such as Frank sequences) and can yield increase merit factors and more desirable peak-to-side-peak ratios (and therefore decreased sidelobe energy) than other sequences (such as Chu sequences). Perfect root-of-unity sequences of lengths up to 32, achieving the minimum phase alphabets and the maximum merit factors and/or peak-to-side-peak ratios, are searched, and the results are tabulated. Comparing the merit factors and peak-to-side-peak ratios of the best search results to other sequences, a common construction pattern of the improved sequences of length 2m | 02-04-2010 |
| 20100087156 | Method and Apparatus to Facilitate Using Multiple Carrier Frequencies - A wireless radio frequency transmitter ( | 04-08-2010 |
| 20100136929 | METHOD AND MULTI-CHANNEL RF TRANSMITTER ARRANGEMENT FOR GENERATING RF FIELDS - A multi-channel RF transmitter arrangement in the form of, or comprising, a plurality RF antennas, antenna elements, coils or coil elements ( | 06-03-2010 |
| 20100178881 | ELECTRONIC DEVICE FOR DETECTION AND STORAGE OF RDS SIGNAL DATA - An electronic device for detection and storage of RDS signal data comprises a first microprocessor unit for detecting and processing a data signal (IN) associated to a RDS signal received from a radio receiver unit (R). The first microprocessor unit has at least one output data signal (OUT), a main storage device for storing the output data signal (OUT) from the first microprocessor unit, transmission means for transmitting the output signal (OUT) between the first microprocessor unit and the main storage device. Normally open switch means are provided, which are designed to be operated by a user to selectively enable transmission of the output signal (OUT) to the main storage device. | 07-15-2010 |
| 20100197246 | WEARABLE ONE WAY TRANSFER DEVICE - A wearable, one-way transfer device component for use in a communications system that includes a first device coupled to a first communication network that receives and compiles global positioning data corresponding to the physical location of one or more objects, a first serial communication path for transmitting the global positioning data from the first device, the first serial communications path being unidirectional to prevent data from being transmitted to the first device, means for formatting the global positioning data received from the first serial path into a serial communication format, a second serial communication path for transmitting the formatted global positioning data to a second device associated with a second communication network, and a user replaceable means for providing power to the means for formatting the global positioning data. | 08-05-2010 |
| 20100222014 | RF Switch Device - In a device ( | 09-02-2010 |
| 20100261440 | MULTI-BEAM ACTIVE PHASED ARRAY ARCHITECTURE - In an exemplary embodiment, a phased array antenna comprises multiple subcircuits in communication with multiple radiating elements. The radio frequency signals are adjusted for both polarization control and beam steering. In a receive embodiment, multiple RF signals are received and combined into at least one receive beam output. In a transmit embodiment, at least one transmit beam input is divided and transmitted through multiple radiating elements. In an exemplary embodiment, the phased array antenna provides multi-beam formation over multiple operating frequency bands. The wideband nature of the active components allows for operation over multiple frequency bands simultaneously. Furthermore, the antenna polarization may be static or dynamically controlled at the subarray or radiating element level. | 10-14-2010 |
| 20100311355 | METHOD AND SYSTEM FOR A MESH NETWORK UTILIZING LEAKY WAVE ANTENNAS - Methods and systems for a mesh network utilizing leaky wave antennas (LWAs) are disclosed and may include configuring one or more devices as a mesh network in a wireless device coupled to a plurality of LWAs, and communicating data between said devices via the configured mesh network. A resonant frequency of the LWAs may be configured utilizing micro-electro-mechanical systems (MEMS) deflection. A plurality of the LWAs may be configured to enable beamforming. The LWAs may comprise microstrip or coplanar waveguides, wherein a cavity height of the LWAs is dependent on spacing between conductive lines in the waveguides. The plurality of LWAs may be integrated in one or more of: integrated circuits, integrated circuit packages, and printed circuit boards. The devices may be internal to the wireless device. The data may be communicated via the mesh network to devices external to the wireless device. | 12-09-2010 |
| 20100311356 | METHOD AND SYSTEM FOR A TOUCHSCREEN INTERFACE UTILIZING LEAKY WAVE ANTENNAS - Methods and systems for a touchscreen interface utilizing leaky wave antennas (LWAs) are disclosed and may include configuring one or more leaky wave antennas utilizing conductive traces in the touchscreen interface for communication of wireless RF signals. RF signals may be communicated utilizing the configured LWAs. A resonant frequency of the LWAs may be configured utilizing micro-electro-mechanical systems (MEMS) deflection. The LWAs may be configured to communicate the RF signals in a desired direction. The LWAs may comprise microstrip or coplanar waveguides, where a cavity height of the one or more leaky wave antennas is dependent on spacing between conductive lines in the waveguides. The touch control commands by the touchscreen interface may be sensed utilizing capacitance, inductance, and/or resistance measurements. | 12-09-2010 |
| 20110014883 | Transmitting circuit for a contactless communicating communication partner device - In a communication partner device ( | 01-20-2011 |
| 20110070845 | MULTIPLE CARRIER INDICATION AND DOWNLINK CONTROL INFORMATION INTERACTION - Methods, systems, apparatus and computer program products are provided to facilitate the configuration and allocation of cross-carrier control information associated with transmissions of a wireless communication system. This Abstract is provided for the sole purpose of complying with the Abstract requirement rules that allow a reader to quickly ascertain the disclosed subject matter. Therefore, it is to be understood that it should not be used to interpret or limit the scope or the meaning of the claims. | 03-24-2011 |
| 20110143694 | Configurable Frequency Band Elimination For Powerline Network - A communication device for use in adapting an appliance to a computer network consistent with certain embodiments has a data transmitter that receives data to be transmitted and generates output signals carrying the data at a plurality of carrier frequencies. A user configurable notch filter, receives the output signals from the data transmitter, for reducing the amplitude of a user selected range of frequencies, and producing a filtered output. A network communication medium interface receives the filtered output and transmitting the filtered output over a network communication medium. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract. | 06-16-2011 |
| 20110159825 | SIGNAL TRANSMISSION APPARATUS AND METHOD USING EIGEN ANTENNA TECHNIQUE IN WIRELESS COMMUNICATION SYSTEM - Disclosed are a signal transmission apparatus and method using a eigen antenna technique in a wireless communication system. The signal transmission apparatus according to one embodiment of the present invention relates to a signal transmission apparatus using a eigen antenna technique in a wireless communication system furnished with a plurality (N) of antennae, comprising: an antenna correlation estimate part that estimates correlation information among the antennae based on a signal received in a reverse channel; a group separation part that separates the plurality of antennae into antenna groups corresponding to the number (M) of transmission signals based on the estimated correlation information among the antennae and provides the information on the separated antenna groups; a gain adjustment part that adjusts the gain of each group antenna included in the antenna group based on the separated antenna group information; and a signal transmission part that transmits the pertinent signal via the antenna group for which the gain of the individual group antenna has been adjusted. | 06-30-2011 |
| 20110244815 | INFORMATION PROCESSING APPARATUS AND WIRELESS COMMUNICATION MODULE - According to one embodiment, an information processing apparatus includes an antenna, a wireless communication module and a switch circuit. The wireless communication module is configured to wirelessly communicate using the antenna. The wireless communication module includes a terminal to output a status indicating a state of a wireless communication. The switch circuit is configured to switch resonant frequency bands of the antenna based on the status signal. | 10-06-2011 |
| 20120040629 | FAST BEAM REFINEMENT FOR MMWAVE WPAN - In some embodiments a beamforming method is disclosed. The method can include transmitting a beam having a channel defined by a maximum ration transmission vector (MRT) and receiving a first response from a receiver, where the first response has first information such as parameters related to the transmitted beam. Using the parameters and the initial MRT another directional transmission can be made. A similar process can determine a maximum combining ratio for a receiver. Set up communications between the transmitter and the receiver can be reduced by omitting data from transmission that can be acquired by other means such as from memory or calculations. Additional embodiments are also disclosed. | 02-16-2012 |
| 20120071114 | DIGITAL-TO-ANALOG CONVERTER AND WIRELESS COMMUNICATION APPARATUS - According to one embodiment, a digital-to-analog converter includes a plurality of cells. Each cell includes a current source and a differential switch. The current source includes a first transistor arranged in a first region and connected to either a power source or a ground, a second transistor arranged in a second region which is different from the first region and connected directly or indirectly with the first transistor in a cascode configuration, and a metallic interconnect connecting the first region and the second region electrically. The differential switch includes a pair of transistors, each connected to the second transistor and arranged in the second region. | 03-22-2012 |
| 20120164959 | APPARATUS AND METHOD FOR TRANSMITTING MULTI MILLIMETER WAVE - Provided is an apparatus and method for transmitting a multi millimeter wave, which can minimize signal interference and crosstalk between devices using millimeter waves as transmission frequencies. The apparatus includes a scanner, a physical layer controller and a physical layer. The scanner searches for a peripheral communication environment. The physical layer controller selects a transmission mode from the physical layer based on the peripheral communication environment searched by the scanner. The physical layer has a plurality of transmission modes and outputs a millimeter wave to an outside through an antenna in the transmission mode selected under a control of the physical layer controller. | 06-28-2012 |
| 20120220244 | WCDMA transmit architecture - Wideband-Code Division Multiple Access (W-CDMA) transmit architecture. A baseband digital processing module operates cooperatively with an analog signal processing module to effectuate highly adjustable and highly accurate gain adjustment in accordance with transmitter processing within a communication device. The gain adjustment and/or gain control is partitioned between the digital and analog domains by employing two cooperatively operating digital and analog modules, respectively. Gain adjustment in the analog domain is performed in a relatively more coarse fashion that in the digital domain. If desired, gain adjustment in each of the analog and digital domains is performed across a range of discrete steps. The discrete steps in the analog domain are larger than the discrete steps in the digital domain. Also, the discrete steps in the digital domain may be interposed between two successive discrete steps in the analog domain. | 08-30-2012 |
| 20120238224 | WIRELESS TERMINAL DEVICE - A first casing and a second casing movably connected to the first casing are provided. PAs amplify a transmit signal. FET switches are provided between the ground and respective transmission paths connecting the PAs and an antenna. When an intermediate voltage is applied, the FET switch has a capacitance according to the applied intermediate voltage. An open or close detection unit acquires the impedance of the antenna corresponding to the positional relationship of the first casing and the second casing. A control unit turns one of a plurality of switches ON and applies the intermediate voltage to the FET switches to achieve a capacitance whereby the impedance of the PA arranged on the transmission path where the switch is ON and the impedance of the antenna are matched based on the impedance of the antenna acquired by the open or close detection unit. | 09-20-2012 |
| 20120270510 | RADIO COMMUNICATION SYSTEM - A radio communication system has a random access channel for the transmission of data ( | 10-25-2012 |
| 20130165058 | RF Transmitter Having Broadband Impedance Matching for Multi-Band Application Support - Systems and methods are provided for a broadband, closed-loop RF transmitter for multi-band applications that employs a single RE path to service multiple bands of operation. Embodiments of the present disclosure implement a broadband impedance matching module, which avoids the need for several costly and complex narrow-band matching networks. In an embodiment, the broadband impedance matching module includes concentric, mutually coupled inductors. By adding this broadband impedance matching functionality, delay is significantly reduced because a single path can be used to service multiple bands. | 06-27-2013 |
| 20130183914 | BASEBAND FILTER AND UPCONVERTER WITH CONFIGURABLE EFFICIENCY FOR WIRELESS TRANSMITTERS - A baseband filter and upconverter with configurable efficiency for use in wireless transmitters is disclosed. In an exemplary embodiment, an apparatus is provided that includes a baseband filter having configurable efficiency, and an upconverter having configurable efficiency and coupled to the baseband filter. The baseband filter and upconverter are configured to operate at a first efficiency level in a first output power range and to operate at a second efficiency level in a second output power range. | 07-18-2013 |
| 20130210376 | LINC TRANSMITTER WITH IMPROVED EFFICIENCY - A radio frequency (RF) transmitter is provided. The RF transmitter includes first and second drivers that are configured to receive first and second sets of complementary RF signals. Restoration circuits are coupled to the first and second drivers, and a bridge circuit is coupled to the first and second restoration circuits. By having the restoration circuits and the bridge circuit, a common mode impedance and a differential impedance can be provided, where the common mode impedance is lower than the differential impedance. | 08-15-2013 |
| 20130244597 | RADIO TRANSMISSION DEVICE - A radio transmission device may comprise a stop condition assessment module and a stop reason reporting module. The stop condition assessment module may be configured to, in response to an occurrence of a transmission stop condition, determine at least a type of the transmission stop condition. The stop reason reporting module may be configured to send information relating to the transmission stop condition to an upper layer processing module. | 09-19-2013 |
| 20130267186 | SYSTEM AND METHOD FOR TRANSMITTING DIFFERENTIAL WEATHER INFORMATION TO AN IN-FLIGHT AIRCRAFT - Systems and methods are provided for transmitting updated weather data to an in-flight aircraft. The aircraft transmits a request for updates to a ground system that determines if the data has changed since the last transmission and transmits only the changed data. Data may be tailored to pilot preferences or to pilot requests for data representing a predetermined history. | 10-10-2013 |
| 20140011466 | WIRELESS COMMUNICATIONS IN A DRILLING OPERATIONS ENVIRONMENT - An embodiment includes an apparatus for wireless communications in a drilling operations environment. In an embodiment, the apparatus includes an instrument hub that is inline with drill pipe of a drill string. The instrument hub includes a sensor to receive downhole communications from downhole. The instrument hub also includes a transmitter to wireless transmit data representative of the downhole communications to a data processor unit. | 01-09-2014 |
| 20140065986 | Transmitter With Peak-Tracking PAPR Reduction and Method Therefor - A transmitter ( | 03-06-2014 |
| 20140073271 | System and Method for Transmitting a Radio Frequency Signal Through a Speaker Coil - In accordance with an embodiment, a system has an audio amplifier configured to be coupled to a speaker coil port via a parallel resonant circuit, and a radio frequency (RF) amplifier configured to transmit a RF signal at a first RF transmission frequency. The speaker coil port is configured to be coupled to a speaker coil, and the parallel resonant circuit has a resonance frequency of about the first RF transmission frequency. | 03-13-2014 |
| 20140080430 | RECEIVER FOR BODY CHANNEL COMMUNICATION AND A METHOD OF OPERATING A RECEIVER THEREFROM - In various embodiments of the present disclosure, there is provided a receiver for body channel communication. The receiver includes an electrode configured to receive an incoming signal transmitted as a multi-level transmission signal from a transmitter through a body channel, a differentiator configured to obtain a time derivative of the incoming signal indicating a plurality of data transitions, and an analog to digital converter configured to generate a multi-level output signal representing the multi-level transmission signal based on the plurality of data transitions. A corresponding method of controlling a receiver for body channel communications is provided. | 03-20-2014 |
| 20140080431 | NON-RECIPROCAL CIRCUIT ELEMENT - A non-reciprocal circuit element includes a ferrite, a first central electrode and a second central electrode arranged on the ferrite so as to cross each other in an insulated state, and a permanent magnet that applies a DC magnetic field to a portion where the first and second central electrodes cross each other. One end of the first central electrode defines an input port, and the other end thereof defines an output port. One end of the second central electrode defines the input port, and the other end thereof defines a ground port. A resistance element and a capacitance element, which are connected in parallel with each other, are connected in series with and between the input port and the output port. Input impedance is lowered by making inductance of the second central electrode relatively large. | 03-20-2014 |
| 20140148107 | Using Multiple Frequency Bands With Beamforming Assistance in a Wireless Network - A communication device communicates with other communication devices in a wireless network using a first and a second frequency band. In accordance with some embodiments, inter-band beamforming assistance may be provided by the lower frequency band. | 05-29-2014 |
| 20140179245 | METHOD AND APPARATUS FOR GENERATING IN-PHASE (I) AND QUADRATURE-PHASE (Q) SIGNALS - In a particular embodiment, a method of generating in-phase (I) and quadrature-phase (Q) signals includes generating a first I output signal based on a first I input signal, a second I input signal, a first Q input signal, and a second Q input signal. The method further includes generating a second I output signal based on the first I input signal, the second I input signal, the first Q input signal, and the second Q input signal. A first Q output signal is generated based on the first I input signal, the second I input signal, the first Q input signal, and the second Q input signal. A second Q output signal is generated based on the first I input signal, the second I input signal, the first Q input signal, and the second Q input signal. According to further embodiments, an apparatus is disclosed. | 06-26-2014 |
| 20140199952 | METHOD AND APPARATUS TO REDUCE PA/DEVICE TEMPERATURE BY SWITCHING THE ANTENNAS ON A DEVICE - Methods, systems, and devices are described for thermal management of a wireless communication device. The described techniques may be used, for example, to monitor an operating temperature of the device to determine if the operating temperature has exceeded a threshold value. Other aspects may provide for monitoring of a PA temperature, a transmission power level, and/or input from one or more additional sensors associated with the wireless communication device. Based on any of the above inputs, alone or in combination, an operating temperature of the wireless communication device may be determined When the temperature exceeds the threshold value, a transmission antenna can be switched from a first antenna to a second antenna. Additional aspects may provide for reduction of the transmission power level in response to the operating temperature exceeding the predetermined threshold value. | 07-17-2014 |
| 20150147985 | CREATION OF RADIO WAVEFORMS ACCORDING TO A PROBABILITY DISTRIBUTION USING WEIGHTED PARAMETERS - Described herein are methods and systems capable of generating weighted parameter sets, which can be randomly addressed for dictating a waveform of each pulse to be generated by using a probability distribution function loader to load a memory table with waveform parameter values, wherein the values are loaded according to a weighted probability distribution function. Each value is then randomly addressed in the memory table and/or randomly selected from the memory table by a random number generator and fed into a signal generation circuit for creation of the waveform to be transmitted. | 05-28-2015 |
| 20160072179 | HOLLOW COMPOSITE STRUCTURE USED AS WAVEGUIDE - Embodiments of the invention include a system including a spar of a wing having an outer body defining a hollow cavity in the outer body, a first communication assembly including a receiver and a first antenna connected to the receiver for receiving one or both of electrical signals and power, the first antenna located in the hollow cavity, and a second communication assembly. The second communication assembly includes a second antenna located in the hollow cavity and an electrical device. The second communication assembly is configured to transmit, by the second antenna, one or both of electrical signals and power through the hollow cavity to the first antenna. | 03-10-2016 |
| 20160164551 | ENVELOPE TRACKING WITH REDUCED CIRCUIT AREA AND POWER CONSUMPTION - The present disclosure relates to envelope tracking with reduced circuit area and power consumption. In one embodiment, an envelope power converter includes a switching power converter configured to receive a supply voltage and provide an output based on a switching control signal. A holding inductor is coupled between the switching power converter and envelope power supply output node. An offset capacitor is coupled between the envelope power supply output node and control node. In response to a target envelope power supply output voltage, a control circuit is configured to generate the switching control signal and a control voltage to maintain envelope power supply signal at target voltage level. The control circuit is configured to generate switching control signal and control voltage such that supply voltage is provided by switching power converter to holding inductor and offset capacitor is charged to target level without changing voltage of envelope power supply signal. | 06-09-2016 |
