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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 7877069 | Method and apparatus for masking program content A system and a method for providing an additional audio content at the input of the car radio (or other radio receiver) by tracking the available channels. The invention provides an invasive and non-invasive way of adding dominant audio content source to the existin... | 01/25/2011 |
| 7684773 | Mobile communication terminal with equalizer function Disclosed is a mobile communication terminal which is provided with an equalizer function of audio equipment to adjust a timbre of transmitting/received speech sounds so as to satisfy a great number of users having various individualities and tastes simultaneously. ... | 03/23/2010 |
| 7397311 | Oscillator coupling to reduce spurious signals in receiver circuits A first receiver frequency reference is passively coupled to a second receiver by tapping a signal directly from the resonant element, such as a crystal, of an oscillator in the first receiver to drive the input of the second receiver. The sinusoidal signal from the... | 07/08/2008 |
| 7386329 | Wireless communication apparatus and method of wireless communication One of objects of a wireless communication apparatus according to the present invention is to realize stable communication regardless of received signal strength indication and information amount. The wireless communication apparatus for communicating in an autonomo... | 06/10/2008 |
| 7383032 | Cellular phone and method for receiving and transmitting signals of different frequency bands A cellular phone and method for receiving and transmitting signals of different frequency bands and wireless standards utilizes an architecture that allows the use of switches that are less expensive and less lossy than switches used in comparable cellular phones. T... | 06/03/2008 |
| 7373121 | Apparatus and method for processing a deterministic data flow associated with a wireless communication signal The invention is directed to an apparatus, method and system for providing reduced power consumption, fast processing of digitized communication signals and relatively easy reconfiguration for different applications, such as communication protocols/standards. The in... | 05/13/2008 |
| 7333468 | Digital phase locked loops for packet stream rate matching and restamping A packet stream multiplexer may include one or more control loops (e.g., digital phase locked loops) for tracking the source clock frequency associated with a packet stream. A first control loop may slowly drive an error between a received timestamp and an estimated... | 02/19/2008 |
| 7299016 | Communication device with an adjustable brightness The present invention discloses a communication device with an adjustable brightness that includes a control circuit coupled to a modulating unit, and the modulating unit includes a tuning button disposed on the communication device that allows user to make adjustme... | 11/20/2007 |
| 7283794 | Low voltage digital interface A system is disclosed for interfacing a wireless communication device baseband module and a radio frequency integrated circuit. The system accepts a control signal from the baseband module. The control signal from the baseband module is generally at a first baseband... | 10/16/2007 |
| 7280811 | Multimode wireless terminal and wireless transmitter-receiver unit A multimode wireless terminal suitable for received level monitoring for a base station serving as an intersystem handover destination includes a first wireless transmitter-receiver unit for GSM, a second wireless transmitter-receiver unit for WCDMA, and a communica... | 10/09/2007 |
| 7251465 | Method and apparatus for producing mobile radio signals A method and device are provided for producing mobile radio signals, which utilize a direct conversion receiver, at least one first and one second local oscillator and one regenerative divider for processing signals according to different mobile radio standards. For... | 07/31/2007 |
| 7236755 | Broadcast wave receiving apparatus Herein disclosed is a broadcast wave receiving apparatus, comprising: first and second tuning circuits each having a resonance frequency; first controlling means for controlling one of the first and second tuning circuits to ensure that the resonance frequency of on... | 06/26/2007 |
| 7228154 | Method and system for processing wireless digital multimedia A transmit digital processing system for wireless transmission of HDMI and/or DVI data using an FPGA. The FPGA converts the data into two data streams and includes a front end component multiplexing video data with control data. A complementary receive FPGA is also ... | 06/05/2007 |
| 7215214 | Resonator and amplifying oscillator circuit having a high resolution skew-compensated frequency synthesizer integrated on a single substrate An oscillator circuit is provided having an oscillating amplifier circuit connected to a resonator. The oscillator/amplifier and resonator are preferably fabricated on a single die using semiconductor fabrication tools. Included with the circuitry is a temperature s... | 05/08/2007 |
| 7164895 | Antenna tuned circuit for a superheterodyne receiver A multi-band receiver in which characteristics including a tracking error are improved is provided with a variable frequency oscillator circuit, a variable divider circuit (39) for dividing an oscillation signal (SVCO) of the variable frequency oscillator cir... | 01/16/2007 |
| 7162214 | Energy-saving method for the wireless reception of data modulated on a carrier signal An energy-saving method for wireless reception of data modulated on a carrier signal is carried out in a receiver circuit including a first group and a second group of circuit elements. The first group of the circuit elements required for recovering the data from th... | 01/09/2007 |
| 7146136 | E-band radio transceiver architecture and chip set A GaAs E-Band transceiver front-end chip set is provided comprising three MMIC devices. The first device includes a circuit for receiving data at baseband, mixing the data with an LO signal having an E-Band frequency, and transmitting a resultant data stream at an u... | 12/05/2006 |
| 7103342 | System and method for reducing the effects of clock harmonic frequencies A system and a method are provided for reducing the effects of spurious frequencies in a wireless communications device. The system comprises a processor having a reference frequency input and a clock having an output connected to the processor input. The clock supp... | 09/05/2006 |
| 7099685 | Apparatus and method for providing multimedia service in a mobile terminal An apparatus provides a multimedia service in a mobile terminal. A main controller controls a call setup operation between the mobile terminal and a base station. A codec codes an audio signal output from a microphone and decodes a received audio signal. A display o... | 08/29/2006 |
| 7065331 | Resonator configuration A resonator system and method are provided which includes/uses a tunable reference resonator, parts for tuning the reference resonator to a reference value via a controlled variable for the reference resonator, a tunable circuit resonator, and parts for tuning the c... | 06/20/2006 |
| 7023948 | Frequency converter arrangement A frequency arrangement with at least two successive heterodyne stages, one of which converts an input signal with an adjustable first frequency of a superposition oscillator that can be set in fine frequency increments into a first intermediate frequency, a second ... | 04/04/2006 |
| 7003272 | Radio apparatus with adjustable reception quality A radio apparatus (95), particularly for mobile radio, which makes it possible to adjust the signal reception in a predeterminably optimized way is proposed. The radio apparatus (95) includes a receiver part (1) and an evaluation unit (5)... | 02/21/2006 |
| 6996388 | High-frequency signal receiver A receiver is operable even if including a local oscillator generating a signal at high frequencies but not in a wide frequency range. The receiver includes: a first frequency converter for mixing a received signal with a first local oscillation signal to convert th... | 02/07/2006 |
| 6983128 | Radio control transmitter and receiver Radio control is used for different types of models, e.g. aircraft, cars and boats. Commonly, a number of different radio channels are allocated in a frequency band for use in radio control. If a modeller finds her or his intended channel in use, s/he can either wai... | 01/03/2006 |
| 6954625 | Tuner and method of aligning a tuner A tuner comprises a first frequency changer with a mixer and local oscillator. The output of the frequency changer is connected to a first intermediate frequency filter, whose output is connected to a second frequency changer. The output of the frequency changer is ... | 10/11/2005 |
| 6947499 | Angle demodulation apparatus, local oscillation apparatus, angle demodulation method, local oscillation signal generating method, recording medium and computer data signal An FM modulation signal is mixed with a pair of first local oscillation signals to be converted to a pair of base band signals. The base band signals are respectively mixed a pair of second local oscillation signals. The resultant signals are added together, thereby... | 09/20/2005 |
| 6915114 | Direct tuning of embedded integrated circuit components A method and apparatus for direct tuning of a component embedded within an integrated circuit includes processing that begins by providing a plurality of frequency dependent control input signals to an input of the integrated circuit. The processing continues for ea... | 07/05/2005 |
| 6882691 | Fine-frequency offset estimation Orthogonal frequency division multiplexing (OFDM) receiver embodiments of the invention demodulate quadrature amplitude modulated (QAM) signals transmitted in the five GHz frequency band and digitally correct for frequency offset errors in their digital signal proce... | 04/19/2005 |
| 6834183 | VCO gain tracking for modulation gain setting calibration Voltage controlled oscillator (VCO) gain tracking is used for programming modulation gain settings to minimize modulation distortion in a phase locked loop of a mobile station (10). A synthesizer (20) generates a tuning voltage (Vt) for controlling a f... | 12/21/2004 |
| 6728522 | Weather band radio and method of tuning same A mobile weather band radio and method of tuning the radio to select a signal channel based on geographic position. The radio has a weather band tuner adjustable for a plurality of radio wave signal channels. A position indicative receiver is provided for receiving ... | 04/27/2004 |
| 6424825 | Feedforward and feedback control in a radio A radio back-end circuit that includes a signal processing unit which receives an intermediate frequency signal containing modulated information. The radio back-end circuit processes the intermediate signal and provides an output representative of the mod... | 07/23/2002 |
| 6366768 | Circuit and method of frequency synthesizer control with a serial peripheral interface A remote wireless communication device (10) receives messages during windows occurring at predetermined intervals as determined by a communication protocol. The remote wireless communication device uses a microcontroller (28) to initialize the functional ... | 04/02/2002 |
| 5937338 | Scanning radio receiver A scanning radio receiver of triple conversion superheterodyne tuning, having a CPU and a keyboard. The CPU has a programmable memory to store frequencies received by the scanning radio receiver. A first and second frequency mixer for frequency converting... | 08/10/1999 |
| 5877701 | Radio pager reporting frequency band information A radio pager of the present invention includes a non-volatile memory storing frequency information for each of a plurality of frequency bands for the confirmation of a frequency band. The frequency information are sequentially read out of the memory whil... | 03/02/1999 |
| 5739874 | Tuning system for a digital satellite receiver with fine tuning provisions An economical tuning system for a digital satellite television receiver includes a phase locked loop (PLL) tuning control IC of the which is normally used in a tuning system of a conventional terrestrial broadcast or cable television reciever to control t... | 04/14/1998 |
| 5731741 | Receiver frequency synthesizer-tuner providing high speed tuning An apparatus for acquiring tuning for a tuning frequency at a high speed. In a receiver, a tuning control unit holds inputted tuning frequency information at a designated address in accordance with a storage designation signal supplied from a control unit... | 03/24/1998 |
| 5732336 | Receiver A reception clock signal used for a data sampling unit to sample received data is generated by a reception clock generator based on a reference clock signal, which is generated by a reference clock generator based on a reference bit rate frequency. The re... | 03/24/1998 |
| 5712595 | Apparatus and method of setting variable dividing ratio and apparatus using the same A counter apparatus for setting a dividing ratio given as a sum of a fixed value and a variable value, including an upper-digits-setting circuit for setting upper digits of a series of digits representing the dividing ratio to upper predetermined digits, ... | 01/27/1998 |
| 5628060 | Apparatus and method for selecting station using D/A converter to control the local oscillator An apparatus and a method for selecting a station are disclosed in which a count section or a comparison section compares/decides a local oscillation frequency, and a digital/analog converter controls the local oscillation frequency according to the decid... | 05/06/1997 |
| 5575000 | Automatic broadcasting channel setting system and the method thereof An automatic broadcasting channel setting system and the method thereof for setting automatically a G-code channel, which is different according to respective districts, to a plus channel. Using G-code channel data according to respective districts which ... | 11/12/1996 |
