| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 455095000 | Mobile or portable | 34 |
| 20090017779 | SYSTEM FOR SHOPPING IN A STORE - A system for shopping in a store is provided that includes a multi-network for communication between a shopper and the store, a shopping cart that weighs items placed therein and then transmits that weight information through the multi-network, and a wireless end device that may be handheld and/or releasably attached to the shopping cart whereby a shopper uses the wireless end device to send and receive information to the store though the multi-network. | 01-15-2009 |
| 20100022205 | Wireless Microphone Beacon - Disclosed is a method and system for a radio beacon to protect wireless microphones from interference. One embodiment involves providing each wireless microphone system with a signal detector that detects interfering signals and a ‘beacon’ transmitter that sends a multitone beacon signal. Users that transmit on a potentially interfering frequency employ a beacon detector that ‘listens’ for the beacon signal. The users inhibit transmission if such a signal is detected. | 01-28-2010 |
| 20100056079 | RETRANSMISSION BETWEEN DCI FORMAT 1A AND FORMAT 2/2A - A transmitter is for use with a cellular communication network and includes a downlink control information (DCI) configuration unit that designates a DCI format for a downlink transmission selected from a first DCI format intended for a single transport block contiguous resource block transmission and a second DCI format intended for a dual transport block transmission available for spatial multiplexing. The transmitter also includes a retransmission coordination unit configured to facilitate a retransmission for the downlink transmission of a transport block corresponding to the first DCI format using the second DCI format or one of the dual transport blocks corresponding to the second DCI format using the first DCI format, based on a retransmission rule. | 03-04-2010 |
| 20100099367 | MINIATURIZED, LOW POWER, WIRELESS TRANSMITTER AND RECEIVER WITH ON-CHIP ANTENNA, AND WIRELESS COUPLING OF ON-CHIP AND OFF-CHIP ANTENNA - A miniaturized, low power RF transmitter with a dual mode active on-chip antenna/inductor is disclosed in which antenna also serves as the oscillator inductor. Also disclosed is a miniaturized low power RF receiver with an on-chip antenna; and a RF transmitter system wherein an on-chip antenna is wirelessly coupled to an off chip patch antenna are disclosed. Advantageously, the TX chip is housed in a low loss, e.g. Low Temperature Co-fired Ceramic (LTCC) package with a patch antenna to provide a System-on-Package implementation comprising electromagnetic coupling between a RF TX chip comprising an integrated on-chip antenna and a package antenna. The on-chip antenna feeds the LTCC patch antenna through aperture coupling, thus negating the need for RF buffer amplifiers, matching elements, baluns, bond wires and package transmission lines, and significantly increases the gain and range of the module with respect to the on-chip antenna alone, without deterioration of the circuit performance and power consumption. Exemplary embodiments are disclosed which may be fabricated using standard CMOS technology, for operation in the 5 GHz U-NII band for applications such as miniaturized, low cost, low power wireless devices and sensor systems. | 04-22-2010 |
| 20100159853 | ELECTRONIC AMPLIFICATION DEVICE WITH CURRENT MIRROR FOR INTEGRATED POWER AMPLIFIERS - The disclosure relates to an electronic differential amplification device integrated on a semiconductor chip. The device may include first and second transistors having respective source terminals connected to a first potential, and drain terminals to receive a first differential current signal. The device may include third and fourth transistors having respective source terminals connected to the first potential, and drain terminals to provide a second differential current signal to a load obtained by amplifying the first signal. The third and fourth transistors may have a respective gate terminal connected to the drain terminal of the first and the second transistors, respectively, in order to form current mirrors with the latter. The device is characterized in that the first and second transistors may have the respective gate terminals electrically connected to a common terminal, and at least one first and at least one second resistive elements are connected between the common terminal and the drain terminals of the first and the second transistors, respectively. | 06-24-2010 |
| 20100197247 | APPARATUS AND METHOD OF IMPROVING SOUND QUALITY OF FM RADIO IN PORTABLE TERMINAL - Provided are an apparatus and a method of improving the sound quality of an FM radio signal in a portable terminal. The apparatus includes: an FM radio module receiving an FM radio signal; an application processor processing an application program for playing an audio signal; a switch selectively switching to transmit an audio signal processed in the application processor or the FM radio signal received through the FM radio module into an audio sub system; the audio sub system decoding and post-processing the audio signal or the FM signal, which is provided through the switch; and an amplifier amplifying the signal decoded and post-processed in the audio sub system and output the amplified signal to an external. | 08-05-2010 |
| 20100240327 | ANTENNA ARRAY WITH FLEXIBLE INTERCONNECT FOR A MOBILE WIRELESS DEVICE - An antenna array can be mounted on a flexible substrate and connected by a flexible interconnect to an integrated circuit such as a radio frequency front end. The antenna array can be mounted in a device housing that includes radio frequency interference (RFI) shielding. The antenna array is aligned with and next to an area of the housing that is not shielded against RFI. | 09-23-2010 |
| 20110086597 | APPARATUS FOR BAND PASS FILTERING AND SIGNAL RADIATION IN MOBILE TERMINAL - A transmitter for band-pass-filtering a transmission signal and radiating the signal is provided. The transmitter includes a communication unit and a filtena. The communication unit generates a transmission signal. The filtena includes a combined filter and antenna, wherein the filter band-pass-filters the transmission signal and the antenna radiates the signal. | 04-14-2011 |
| 20120021704 | METHOD OF POWER AMPLIFIER SWITCHING POWER CONTROL USING POST POWER AMPLIFIER POWER DETECTION - Various embodiments described herein relate to a power management block and one or more amplification blocks used in the transmitter of a communication subsystem. The power management block provides improved control for the gain control signal provided to a pre-amplifier and the supply voltage provided to a power amplifier, both of which are included in a selected one of the amplification blocks. The power expended by the power amplifier is optimized by employing a continuous control method in which one or more feedback loops are employed to take 1n into account various characteristics of the transmitter components and control values. Post power amplifier transmission power is detected for input into the one or more feedback loops executed in the power management block. A controller for the power amplifier is design to stabilize the system with respect to gain expansion in the power amplifier. | 01-26-2012 |
| 20120021705 | Portable transmitter powered by button battery - A portable transmitter includes a circuit board having a button battery and an antenna; and a case accommodating the battery and the circuit board. The case includes first and second case members being engaged with each other. A concave portion is formed on the first or second case members to accommodate the button battery, and a lock portion is formed on the first or second case members to lock the circuit board. While the concave portion accommodates the button battery and the circuit board is locked by the lock portion, a surface of the circuit board and a surface of the button battery are attached, and the first case member and the second case member are engaged. | 01-26-2012 |
| 20120208476 | HIGH FREQUENCY POWER AMPLIFIER, TRANSMITTER AND MOBILE COMMUNICATION TERMINAL USING THE POWER AMPLIFIER - A high frequency power amplifier maintains an excellent linearity regardless of a fluctuation of a load impedance and is downsized. The high frequency power amplifier detects an AC voltage amplitude at an output terminal of a final amplification stage transistor, and suppresses an input signal amplitude of a power amplifier when the voltage amplitude exceeds a predetermined threshold value. | 08-16-2012 |
| 20120220245 | High-Frequency Switching Assembly, Transmitter and Method - A high-frequency switching assembly having a first switching state and a second switching state includes a transmitter and a switch assembly. The transmitter includes a primary side and a secondary side having a first secondary side terminal and a second secondary side terminal and is configured to transmit an HF input signal applied to its primary side to its secondary side by means of inductive coupling. The switch assembly is configured to apply, in one state, a first reference potential to the first secondary side terminal. Further, the switch assembly is implemented to apply, in another state, a second reference potential to the second secondary side terminal. | 08-30-2012 |
| 20120295560 | SONIC SIGNALING COMMUNICATION FOR USER DEVICES - A system, methods, and apparatus for sonic signaling communication are disclosed. In an example embodiment, a broadcast device transmits a sonic signal including an audible signal component including primary information and an inaudible signal component including secondary information. The primary information is audibly transmitted from the broadcast device for reception by a user. The inaudible signal component is received by a user device configured to take an action responsive to the receipt of the secondary information. | 11-22-2012 |
| 20130045697 | Method, control apparatus and wireless terminal for reducing radiation harm of wireless terminal - The disclosure discloses a method, a control apparatus and a wireless terminal for reducing radiation harm of a wireless terminal, belonging to the field of wireless radiation protection. The method comprises: a control apparatus detects whether there is an object approaching an antenna of a wireless terminal; and the control apparatus adjusts an output power of a transmitter of the wireless terminal connected with the antenna to an output protection power so as to reduce an SAR value of the antenna to a set value, when it is detected that there is an object approaching the antenna. The method can reduce radiation of the wireless terminal to human bodies, and is applicable to wireless communication terminals. | 02-21-2013 |
| 20140329478 | ELECTROMAGNETIC TRANSMITTER - A pressure resistant, impact resistant, and corrosion resistant electromagnetic transmitter for pipeline uses and other applications. During use, the ferromagnetic core, the electromagnetic windings, and the other electromagnetic transmission components of the transmitter are entirely contained and sealed within a rugged outer housing. | 11-06-2014 |
| 20150017931 | SYSTEM AND METHOD FOR CONTROLLING ENVELOPE TRACKING IN A TRANSMITTER WITH CLOSED LOOP POWER CONTROL - A system and method for controlling envelope tracking in a transmitter with closed loop power control, including up-converting and pre-amplifying a baseband signal to a pre-amplified RF signal, amplifying the pre-amplified RF signal, converting the envelope of the baseband signal into a shaped envelope signal, adjusting the gain of the pre-amplified RF signal, and adjusting the shape of the envelope signal in response to changes in the gain of the pre-amplified RF signal. | 01-15-2015 |
| 20150065070 | WEAKLY COUPLED TUNABLE RF TRANSMITTER ARCHITECTURE - RF communications circuitry, which includes a first tunable RF filter and an RF power amplifier (PA), is disclosed. The first tunable RF filter includes a pair of weakly coupled resonators, and receives and filters a first upstream RF signal to provide a first filtered RF signal. The RF PA is coupled to the first tunable RF filter, and receives and amplifies an RF input signal to provide an RF output signal. | 03-05-2015 |
| 20150111509 | METHOD OF GENERATING GAIN COMBINATION OF PRE-AMPLIFIER IN TRANSMITTER OF MOBILE COMMUNICATION SYSTEM, METHOD OF CONTROLLING OUTPUT POWER OF TRANSMITTER OF MOBILE COMMUNICATION SYSTEM IN TRANSMITTER MANUFACTURING PROCESS, AND SYSTEM FOR CONTROLLING OUTPUT POWER OF TRANSMITTER OF MOBILE COMMUNICATION SYSTEM IN TRANSMITTER MANUFACTURING PROCESS - A method of generating a gain combination of a pre-amplifier of a transmitter in a mobile communication system includes extracting respective pieces of gain combination information about pre-amplifiers of a plurality of sample transmitters among transmitters of the same group, arranging the respective pieces of gain combination information in order and measuring a difference between first output values with respect to adjacent pieces of gain combination information among the arranged pieces of gain combination information, deleting gain combination information that does not conform to linearity of the first output values and rearranging the respective pieces of gain combination information, measuring a difference between second output values with respect to adjacent pieces of gain combination information among the rearranged pieces of gain combination information, extracting second output value compensation parameters with respect to the respective pieces of gain combination information, and extracting common gain combination information about the respective pieces of gain combination information of the sample transmitters by use of the gain combination information, the difference between the second output values, and the second output value compensation parameters. | 04-23-2015 |
| 20150311874 | BROADBAND POWER AMPLIFIER SYSTEMS AND METHODS - Disclosed are systems, devices, and methodologies to reduce harmonics in a radio frequency output signal. A power amplifier system comprises a power amplifier and a tunable output matching network electrically connected between the output of the power amplifier and an output of the tunable output matching network. The tunable output matching network reduces second-order harmonics in an amplified radio frequency signal when the power amplifier operates in a low frequency mode. The tunable output matching network includes traps such as a series inductor and a first capacitor in series with a first switch, a second capacitor in series with a second switch, and a third capacitor in series with a third switch, where the traps are tuned to selected harmonic frequencies when the power amplifier operates in the low frequency band of the operating band of frequencies. | 10-29-2015 |
| 20160007409 | ELECTRONIC DEVICE - To achieve the reduction in size of an electronic device. The electronic device serving as an element of a wireless communication system includes a module unit, a battery that supplies electric power to the module unit, and a coupling part that electrically couples the module unit and the battery. The module unit includes a sensor that detects a physical quantity, and a wireless communication unit configured to transmit the data based on an output signal from the sensor. | 01-07-2016 |
| 20160142079 | IN-VEHICLE COMMUNICATION APPARATUS - An in-vehicle communication apparatus includes an antenna module, and a wireless communication device physically separated from the antenna module and connected to the antenna module through a coaxial cable. The antenna module includes an antenna, and a transmission amplifier of the antenna. The wireless communication device includes a power generation portion that supplies a power driving the antenna module, a signal generation portion that generates a transmission signal, a power superimposition portion that superimposes the transmission signal on the power supplied from the power generation portion, and transmits a superimposed power to the transmission amplifier, a current detection portion that detects a consumption current value from the power, a correspondence relationship hold portion that holds a correspondence relationship between the consumption current value and an output power value, and a regulation portion that adjusts the transmission signal to maintain the output power value at a predetermined power value. | 05-19-2016 |
| 20160182026 | FREQUENCY GENERATOR, METHOD AND COMPUTER PROGRAM | 06-23-2016 |
| 455096000 | Transmitter ejected from moving vehicle | 1 |
| 20120100818 | DEVICE FOR LOCATING CRASHED AIRCRAFT - The present invention consists of a device especially configured for enabling locating an aircraft quickly which due to an accident has fallen in an area where the search for the remains is especially difficult, such as the sea or mountainous areas. It is made up of a container ( | 04-26-2012 |
| 455098000 | With aircraft, satellite, or projectile | 6 |
| 20100178882 | RECEIVER - A receiver for receiving a radio frequency signal includes a filter, a calculator, and an adjuster. The filter has an adjustable passband and passes the received radio frequency signal within the passband so as to generate a filtered signal. The calculator calculates a signal-to-noise ratio of the received radio frequency signal based on the filtered signal. The adjuster adjusts the passband of the filter in such a manner that the calculated signal-to-noise ratio becomes maximum. | 07-15-2010 |
| 20110143695 | SENSING APPARATUS, NETWORK SYSTEM AND CONTROLLING METHOD ON THE BASIS OF SATELLITE - Disclosed is a sensing apparatus, a network system, and a controlling method on the basis of a satellite. A satellite-based sensing network system, comprising: a plurality of satellite transmitters that collect information on a peripheral environment and an operating state, and transmits it to peripheral satellites; a satellite wireless receiving/display device that directly receives and displays the information collected from the satellites; a ground control center that receives, stores, and analyzes the information collected from the satellites; and a management center that maintains and repairs the satellite transmitter based on the analyzed results. | 06-16-2011 |
| 20130045698 | Es/No Based Carrier-in-Carrier RF Power Control - A method of transmitting telecommunications data comprising modulating first and second data signals, selecting transmit powers first and second terminals to achieve a predetermined power equivalent bandwidth (PEB) through an un-attenuated, transmitting the first data signal to the second terminal and the second data signal to the first terminal through a remote receiver, measuring a total received signal-to-noise ratio of the first and second data signals and a total received signal-to-noise ratio received at the second and first terminals, respectively, measuring a signal-power density ratio between the first and second signals, determining a ratio of excess uplink to downlink losses based a rain model parameter and operating frequency, calculating excess uplink and downlink losses relative an optimized, un-attenuated telecommunications channel, and changing a transmit power of a terminal such that the predetermined PEB is maintained when at least one of the signals experiences attenuation. | 02-21-2013 |
| 20140199953 | ACTIVE WAVEFORM SHUTTERING FOR ROTORCRAFT - In one embodiment a communication system comprises a radiofrequency (RF) transmitter, an antenna communicatively coupled to the RF transmitter to direct an RF signal in a first direction, a laser ranger mounted to the antenna to direct a pulsed laser signal in the first direction and receive reflected laser signals from a rotorblade, and logic to determine a measure of interference resulting from a rotorblade, provide the measure of interference to a radiofrequency (RF) transmitter, and shutter an RF transmission signal from the RF transmitter in response to the measure of interference. Other embodiments may be described. | 07-17-2014 |
| 20160080073 | SYSTEM AND METHOD FOR PROVIDING CELLULAR SIGNALS TO MOBILE DEVICE USERS TRAVELLING BY AIR - A system and method are disclosed for providing broadband network access to mobile devices during air travel. The system transmits a first signal from a phased array antenna towards an airspace. The system also steers the phased array antenna towards an aircraft within the airspace based on a determined movement of the aircraft, a device signal generated by a mobile device aboard the aircraft, or a combination thereof. The system also determines a frequency shift associated with a return of the first signal from the aircraft. Still further, the system determines a second signal of a different frequency based on the frequency shift. | 03-17-2016 |
| 20160114902 | DATA RETRIEVAL SYSTEM IN AN AIRCRAFT WITH DATA STORED DURING A FLIGHT AND WIRELESSLY TRANSMITTED TO A GROUND SYSTEM AFTER LANDING USING A TRANSMISSION ELEMENT IN AN EXTERNAL PANEL OF AN AVIONIC BAY - An aircraft-side aircraft data retrieval system and method, comprising: a data storage device ( | 04-28-2016 |
| 455099000 | With vehicle | 2 |
| 20100069021 | METHOD FOR RADIO CARRIER SELECTION IN RADIO TRANSMISSION SYSTEMS - The invention relates to a method and an apparatus for selection of a radio carrier from a number of available radio carriers ( | 03-18-2010 |
| 20130295862 | Method Of Selecting And Broadcasting Over A Transmission Frequency And Device For The Same - In some embodiments, a method of identifying at least one transmission frequency in a set of carrier frequencies can include: (a) determining a first signal strength for each carrier frequency in the set of carrier frequencies; (b) choosing a first transmission frequency from the set of carrier frequencies at least partially based on the first signal strength of each of the carrier frequencies of the set of carrier frequencies; and (c) broadcasting electrical signals over the first transmission frequency. Other embodiments are disclosed herein. | 11-07-2013 |
| 455100000 | Body attached or connected | 3 |
| 20090081966 | Communications device for remotely controlling an electrical device and method of manufacturing same - A communications device ( | 03-26-2009 |
| 20090191824 | METHODS AND APPARATUS FOR TRANSMITTING POWER AND DATA USING THE HUMAN BODY - Methods and apparatus for distributing power and data to devices coupled to the human body are described. The human body is used as a conductive medium, e.g., a bus, over which power and/or data is distributed. Power is distributed by coupling a power source to the human body via a first set of electrodes. One or more devices to be powered, e.g., peripheral devices, are also coupled to the human body via additional sets of electrodes. The devices may be, e.g., a speaker, display, watch, keyboard, etc. A pulsed DC signal or AC signal may be used as the power source. By using multiple power supply signals of differing frequencies, different devices can be selectively 15 powered. For example, a 100 Hz signal may be used to power a first device while a 150 Hz signal may be used to power a second device. Digital data and/or other information signals, e.g., audio signals, can be modulated on the power signal using frequency and/or amplitude modulation techniques. The power source and peripheral devices can interact to form a complete computer network where the body serves as the bus coupling the devices together. Devices can include optional batteries, one or more CPUs, transmit/receive circuitry, and/or input/output circuitry. In one particular exemplary network implementation the first device to be placed on the body operates as a master device, e.g., bus master, with one or more subsequently added devices working as slaves. | 07-30-2009 |
| 20110269414 | COMBINING BODY-COUPLED COMMUNICATION AND RADIO FREQUENCY COMMUNICATION - In summary, the present invention relates to a device, a method, a system and a computer program enabling to ensure a reliable communication even under difficult radio frequency conditions. In case data cannot be successfully communicated by a radio frequency communication, the data may be transmitted to another device by a body-coupled communication via a human or animal body. The other device can act as a relay and forward the data to an intended destination. Thus, data may be successfully transmitted to the intended destination even under difficult radio frequency conditions due to body shadowing or other effects. | 11-03-2011 |
