Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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08/23/2006 | EP0754376B1 Apparatus and method for reducing errors in data caused by noise through the use of blanking |
08/23/2006 | CN1823522A Apparatus and method for providing an agc function using multiple feedback sources |
08/23/2006 | CN1823470A Radio transmitter with accurate power control |
08/23/2006 | CN1822496A Method for increasing portable device horn playing volume |
08/22/2006 | US7095988 Apparatus for linear transmitter with improved loop gain stabilization |
08/22/2006 | US7095860 Audio dynamic control effects synthesizer with or without analyzer |
08/22/2006 | CA2404824C Dynamic bias for rf power amplifiers |
08/17/2006 | WO2006086196A2 Method and system for detecting a predetermined sound event |
08/17/2006 | WO2005060112A3 Method and architecture for dual-mode linear and saturated power amplifier operation |
08/17/2006 | WO2005033870A3 Method for creating and using text objects as control devices |
08/17/2006 | WO2004023645A3 Thermal feedback for switch mode amplification |
08/17/2006 | US20060183451 Method and system for continuously compensating for phase variations introduced into a communication signal by automatic gain control adjustments |
08/17/2006 | US20060183449 Gain variable voltage/current conversion circuit and filter circuit using the same |
08/17/2006 | US20060182287 Audio monitoring system |
08/17/2006 | US20060182186 Volume control device for digital signals |
08/17/2006 | US20060181649 System and method for TV automatic gain control (AGC) |
08/17/2006 | US20060181352 Radio frequency excitation arrangement |
08/17/2006 | US20060181351 Power control circuit for accurate control of power amplifier output power |
08/16/2006 | EP1691489A1 Automatic gain control device |
08/16/2006 | CN1820413A Circuit for varying gain of preamplifier |
08/16/2006 | CN1819452A Method and device for adjusting to adapt speech inputting distance |
08/16/2006 | CN1819451A Method for protecting hearing by adjusting volume based on medium player |
08/16/2006 | CN1819450A Output volume improving device and method for loudhailer of mobile communication terminal |
08/16/2006 | CN1270493C Apparatus and method for optimizing the level of RF signals |
08/15/2006 | US7092744 Hands-free microphone mounting |
08/15/2006 | US7092706 Apparatus and method for signal strength compensation of highly time-variant mobile radio channels and reception unit for mobile radio transmission |
08/15/2006 | US7092686 Automatic transmit power control loop |
08/15/2006 | US7092540 Automation of signal processing apparatus |
08/15/2006 | US7092537 Digital self-adapting graphic equalizer and method |
08/15/2006 | US7092533 BTL amplifier apparatus |
08/15/2006 | US7092532 Adaptive feedback canceller |
08/15/2006 | US7092514 Audibility enhancement |
08/15/2006 | US7091778 Adaptive wideband digital amplifier for linearly modulated signal amplification and transmission |
08/15/2006 | US7091777 Controller for an RF power amplifier |
08/10/2006 | WO2006083403A2 Closed loop power control with high dynamic range |
08/10/2006 | WO2006020185A3 Method for riaa correction of audio signal with use of transformer and capacitor |
08/10/2006 | WO2005101678A3 Method and apparatus for dynamically adjusting a transmitter's impedance and implementing a hybrid power amplifier therein which selectively connects linear and switch-mode power amplifiers in series |
08/10/2006 | WO2005027067A3 Method and system for providing an activation signal based on a received rf signal |
08/10/2006 | US20060178876 Speech signal compression device speech signal compression method and program |
08/10/2006 | US20060178121 Method and a device for adjusting power amplifier properties |
08/10/2006 | US20060177074 Early reflection reproduction apparatus and method of sound field effect reproduction |
08/10/2006 | US20060177071 Method and system for detecting a predetermined sound event such as the sound of breaking glass |
08/10/2006 | US20060176115 Operational amplifier circuit |
08/10/2006 | US20060176112 Variable gain amplifying apparatus and wireless communication apparatus |
08/10/2006 | DE19716878B4 AGC-Spannungskorrekturschaltung AGC voltage correction circuit |
08/10/2006 | DE10244167B4 Verstärkungsvorrichtung Amplifying device |
08/10/2006 | DE10056877B4 Empfängerempfindlichkeit Receiver sensitivity |
08/09/2006 | EP1689077A1 Automatic gain control apparatus and method in an orthogonal frequency division multiple access system |
08/09/2006 | EP1687895A1 Programmable automatic gain control according to transmission protocols |
08/09/2006 | EP1687812A1 System and method for audio signal processing |
08/09/2006 | EP1570102B1 Method for coating piston rings for internal combustion engines |
08/09/2006 | EP1402632B1 Optimisation of the operating point of transmitter power amplifiers in mobile stations |
08/09/2006 | EP1029397B1 Reconfigurable radio system architecture |
08/09/2006 | EP0901721B1 Device and method for radio transmitters |
08/09/2006 | CN2805253Y Device for automatically regulating sound volume of mobile telephone set |
08/09/2006 | CN1816994A Method, apparatus and system for use in determining pilot-to-data power ratio in wireless communication |
08/09/2006 | CN1815881A Over-load regulating apparatus for audio-frequency amplifier and method |
08/09/2006 | CN1815880A Method and apparatus for automatically controlling audio volume |
08/09/2006 | CN1815879A Amplifier control device of mobile communication terminal |
08/09/2006 | CN1269107C Speech correction apparatus |
08/08/2006 | US7088961 Circuitry to establish a wireless communication link |
08/08/2006 | US7088835 Wavetable audio synthesizer with left offset, right offset and effects volume control |
08/08/2006 | US7088834 Audio apparatus, audio volume control method in audio apparatus, and computer apparatus |
08/08/2006 | US7088794 Automatic gain control for digitized RF signal processing |
08/08/2006 | US7088187 Method and apparatus for an LNA with high linearity and improved gain control |
08/08/2006 | US7088180 Programmable gain current amplifier |
08/03/2006 | WO2006079969A1 Receiver having a gain-controllable input stage |
08/03/2006 | WO2005067187A8 Transmitter and method for scrambled bit transmission |
08/03/2006 | US20060170828 Integrated circuit for a mobile television receiver |
08/03/2006 | US20060170501 Gain stage control method and related control circuit |
08/03/2006 | US20060170500 Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier |
08/03/2006 | US20060170499 Closed loop power control with high dynamic range |
08/03/2006 | US20060170493 Method for setting an output voltage of a receiving circuit of a receiving head of a rail contact and rail contact system |
08/03/2006 | US20060170492 Dual-band power amplifier |
08/03/2006 | DE19703228B4 Verfahren zur Verstärkung von Eingangssignalen eines Hörgerätes sowie Schaltung zur Durchführung des Verfahrens A method of amplifying input signals of a hearing aid as well as circuitry for carrying out the method |
08/02/2006 | EP1686687A1 Apparatus for controlling transmission power in mobile communication terminal and method thereof |
08/02/2006 | EP1686686A1 Am intermediate frequency variable gain amplifier circuit, variable gain amplifier circuit, and semiconductor integrated circuit thereof |
08/02/2006 | EP1584169A4 Agc circuit arrangement for a tuner |
08/02/2006 | CN1813402A Integrated power amplifier circuit |
08/02/2006 | CN1812635A Loudspeaker protector |
08/02/2006 | CN1812257A Gain control in signal processing with feed-forward gain correction |
08/02/2006 | CN1812256A Overload regulating device for audio amplifier and method thereof |
08/02/2006 | CN1268055C Power amplifier capable of inhibiting noise power of receiving band and gain switching |
08/01/2006 | US7085545 Transmission power control circuit |
08/01/2006 | US7085477 Television apparatus |
08/01/2006 | US7085390 Method for controlling multi-mode audio gain balance |
08/01/2006 | US7085389 Infinite slope loudspeaker crossover filter |
08/01/2006 | US7085334 Automatic gain control with analog and digital gain |
08/01/2006 | US7085333 Constant-phase, gain-controlled amplification circuit |
08/01/2006 | US7085255 Selectively activated AGC signal measurement unit |
08/01/2006 | US7084705 Automatic biasing of a power device for linear operation |
08/01/2006 | US7084701 Preventing power-on audio output noise in a wireless telephone handset |
07/27/2006 | WO2006077830A1 Mobile communication terminal and method for controlling a plurality of receiving apparatuses mounted on mobile communication terminal |
07/27/2006 | US20060166630 Dynamic bias for RF power amplifiers |
07/27/2006 | US20060165240 Methods and apparatus for use in sound modification |
07/27/2006 | US20060164563 Digital broadcast receiver |
07/27/2006 | US20060164163 Amplifiers with high efficiency in multiple power modes |
07/27/2006 | US20060164162 Low noise variable gain amplifier |
07/26/2006 | EP1684437A1 Reception device and reception method |
07/26/2006 | EP1684419A1 In-vehicle entertainment system |