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| Application No. | Application Title | Issue Date |
| 20110287724 | FM TRANSMITTER, BROADCAST RECEIVER, AND METHOD FOR TRANSMITTING AUDIO A frequency modulation (FM) transmitter, a broadcast receiver having the same, and a method of transmitting an audio are provided. The FM transmitter selects a specific frequency from among frequencies in FM frequency band, which exclude a frequency in use, and transmit... | 11/24/2011 |
| 20100099369 | AUTOMATIC FREQUENCY TUNING SYSTEM AND METHOD FOR AN FM-BAND TRANSMIT POWER AMPLIFIER An automatic frequency tuning system and method for a transmit power amplifier. The transmit power amplifier has an antenna feed line including a series capacitor and is coupled to an output of an output driver. In one embodiment, the system includes: (1) a shunt capaci... | 04/22/2010 |
| 20090130978 | 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 frequenc... | 05/21/2009 |
| 20060217084 | Efficient method to compute one shot frequency estimate Systems and methods are provided for efficiently determining frequency estimates in a forward link only wireless receiver. In one embodiment, a method is provided to compute a one shot frequency estimate. The method includes representing an arc tangent function in a tab... | 09/28/2006 |
| 20060178121 | Method and a device for adjusting power amplifier properties A method and a device for tuning power amplifier (PA, 203) properties such as back-off. A peak-to-average value (PAR) of the amplifier input signal is first obtained by control means (206) and then used for adjusting the power amplifier (203) with t... | 08/10/2006 |
| 20060160501 | Tunable microwave devices with auto-adjusting matching circuit An embodiment of the present invention provides an apparatus, comprising an input port and a dynamic impedance matching network capable of determining a mismatch at the input port and dynamically changing the RF match by using at least one matching element that includes... | 07/20/2006 |
| 20060135092 | Radio frequency filter The invention relates to a coaxial radio frequency filter, having one or more resonators, with at least one of the resonators having the following features:
| 06/22/2006 |
| 20060089116 | Automatic adjustment circuit, automatic adjustment method, and portable terminal An automatic adjustment circuit, including: a passive element disposed in an end portion of a circuit board; and an impedance adjustment circuit disposed between the passive element and a ground section of the circuit board to adjust impedance of the passive element. ... | 04/27/2006 |
| 20060052074 | Reactance adjustment device, transceiver and transmission device using the same, signal processing circuit suitable for them, reactance adjustment method, transmission method, and reception method A reactance adjuster includes an electrode (123) inducing an electric-field in an electric-field transmittable medium (121), an adjusting signal generation section (13) outputting alternatingly a high level or a low level signal to a resonance secti... | 03/09/2006 |
| 20050221773 | Tuning system A tuning system (100) for receiving a radio frequency input signal included in a frequency range, the range having a maximum frequency and a minimum frequency and a plurality of non-overlapping bands, the tuning system (100) comprising a voltage-controlled... | 10/06/2005 |
| 20050153670 | Translational loop transmitter architecture employing channel power ratio measurements for modulation accuracy calibration A Radio Frequency RF transmitter includes a translational loop architecture that supports non-constant envelope modulation types and includes by adjusting the envelope of the translational loop at the translational loop output. The RF transmitter includes an Intermediat... | 07/14/2005 |
| 20050136862 | Circuit and method for setting the operation point of a BGR circuit A circuit for setting the operating point of a BGR circuit is disclosed. In the circuit, a voltage comparator (P5, P6, I3) compares the output voltage of an operational amplifier of the BGR circuit with the voltage dropping across an auxiliary circu... | 06/23/2005 |
| 20050085194 | Frequency agile exciter Systems and methods are provided for providing high dynamic range operation over a variable range of frequencies. A delta-sigma modulator, having associated frequency characteristics, produces a digital output signal. A digital-to-analog converter converts the digital o... | 04/21/2005 |
| 20050048936 | Digital automatic fine tuning method and apparatus Disclosed herein is a digital automatic fine tuning method and apparatus, which is capable of detecting a difference between a nominal frequency and an intermediate frequency generated in a tuner using a counter, and applying the counted data of the counter as a fine tu... | 03/03/2005 |
