Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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10/25/2007 | US20070248197 Automatic Gain Control Apparatus and Method in Orthogonal Frequency Division Multiplexing |
10/25/2007 | US20070247217 Systems and methods of rf power transmission, modulation, and amplification, including embodiments for amplifier class transitioning |
10/25/2007 | US20070247208 Offset correcting method, offset correcting circuit, and electronic volume |
10/25/2007 | DE102006018309A1 Small signal e.g. alternating voltage signal, interferencing device for use in motor vehicle, has differential amplifier for compensating constant component of small signal, and regulating unit for adjusting amplification of amplifier |
10/25/2007 | DE102006017864A1 Sound events e.g. speech announcement signal, perception manipulating method for vehicle, involves detecting view-affecting environment parameters to provide signal that concludes whether precipitation prevails in vehicle |
10/24/2007 | EP1848112A1 Automatic gain control circuit with adjustment of target value |
10/24/2007 | EP1847016A1 Receiver having a gain-controllable input stage |
10/24/2007 | EP0921635B1 Power amplifier device |
10/24/2007 | CN101061544A Reproducing information from an information carrier |
10/24/2007 | CN101060724A A method for avoiding the hearing injury of audio equipment and electro-acoustic device made through this method |
10/24/2007 | CN101060347A AM and FM broadcast receiving circuit |
10/24/2007 | CN101060346A A device and method for improving the dynamic range of receiver |
10/24/2007 | CN101060315A Sound volume management system and method |
10/24/2007 | CN101060314A Hearing protection method and sound output device |
10/24/2007 | CN101060313A Hearing protection method and sound output device |
10/24/2007 | CN101060312A Sound volume converting device |
10/24/2007 | CN100345443C Sound level adjusting apparatus |
10/24/2007 | CN100345385C Mobile-communication equipment and transmission power control method |
10/23/2007 | US7286809 Method and circuit system for suppressing noise in a signal processing circuit |
10/23/2007 | US7286807 Receiver with a cascade of resonant amplifiers in the RF input stage |
10/23/2007 | US7286676 Audio apparatus |
10/23/2007 | US7286663 Asymmetric digital subscriber line system capable of automatically controlling receipt gain and method thereof |
10/23/2007 | US7286618 Digital AGC circuit |
10/23/2007 | US7286012 Operational amplifier circuit with controllable intermediate circuitry set therein |
10/18/2007 | WO2007118101A1 Method and system for automatic gain control during signal acquisition |
10/18/2007 | WO2007118053A1 Method and system for automatic gain control with intelligent selection of signal samples |
10/18/2007 | WO2007085267A3 Auditory perception controlling device and method |
10/18/2007 | US20070244587 Sound Volume Converting Apparatus |
10/18/2007 | US20070243842 System and method for adaptively controlling receiver gain switch points |
10/18/2007 | US20070242845 Method of preparing a hearing aid, and a hearing aid |
10/18/2007 | US20070242838 Electronic Device and Sound Level Control Method |
10/18/2007 | US20070242833 Device and method for generating an ambience signal |
10/18/2007 | US20070241821 Signaling system with low-power automatic gain control |
10/18/2007 | US20070241813 Amplifier Circuit with Automatic Gain Correction |
10/18/2007 | DE102006019694B3 Hearing aid amplification adjusting method, involves determining maximum amplification or periodical maximum amplification curve in upper frequency range based on open-loop-gain- measurement |
10/18/2007 | DE102006014778A1 Vorrichtung und Verfahren zur betriebsparameterabhängigen Verstärkungseinstellung in Funkeinrichtungen Apparatus and method for operating parameter-dependent gain adjustment in radio equipment |
10/17/2007 | EP1845625A2 Double conversion receiver |
10/17/2007 | EP1845615A1 Muting device, liquid crystal display television, and muting method |
10/17/2007 | EP1845614A2 Audio output apparatus and television broadcast receiver |
10/17/2007 | EP1076928A4 User adjustable volume control that accommodates hearing |
10/17/2007 | CN200962581Y Environment protection electronic alarm |
10/17/2007 | CN101057399A Method and apparatus for providing limiting power adjustment in a wireless communication system |
10/17/2007 | CN101057398A Method and apparatus for predictively optimizing efficiency of a radio frequency (RF) power amplifier |
10/17/2007 | CN100343915C Data regenerating device |
10/16/2007 | US7283879 Dynamic normalization of sound reproduction |
10/16/2007 | US7283802 Remote control system |
10/16/2007 | US7283157 Automatic level control (ALC) for video signals |
10/16/2007 | US7282996 Electronic amplifier with signal gain dependent bias |
10/11/2007 | WO2007115327A2 Automatic gain control |
10/11/2007 | WO2007114348A1 Reproduction sound volume adjusting device and method |
10/11/2007 | WO2007113931A1 Receiver |
10/11/2007 | WO2007113470A1 Automatic switched gain amplifier for mobile reception |
10/11/2007 | WO2007112868A1 Device and method for setting the amplification which is dependent on operational parameters in radio devices |
10/11/2007 | US20070239152 Electrolytic depilation device |
10/11/2007 | US20070238432 Variable gain amplifier, and am-modulated signal reception circuit and detection circuit |
10/11/2007 | US20070237335 Hormonic inversion of room impulse response signals |
10/11/2007 | US20070237334 System and method for enhancing audio output of a computing terminal |
10/11/2007 | US20070236571 Digital tv receiving smart antenna control system and controlling method of the same |
10/11/2007 | US20070236292 Fast settling power amplifier regulator |
10/10/2007 | EP1843467A2 Method and apparatus for squelch gating a receiving signal |
10/10/2007 | EP1843466A1 Method and apparatus for leveling an increasing or decreasing slope of an AM modulated receiving signal |
10/10/2007 | EP1628394B1 Detection circuit and detection circuit adjustment method |
10/10/2007 | CN200959675Y Double voice-coil loundspeaker and amplifying and controlling circuit |
10/10/2007 | CN200959674Y Small thin large-power loundspeaker with high-sensitivity and voice-quality and amplifying and controlling circuit |
10/10/2007 | CN101053277A Sound electronic circuit and method for adjusting sound level thereof |
10/10/2007 | CN101051823A Portable audio device providing automated control of audio volume parameters for hearing protection |
10/10/2007 | CN101051822A Method for automatic control and regulating broadcast volume |
10/10/2007 | CN101051816A Device and method for realizing wide band micro power linear power amplication |
10/09/2007 | US7280839 Wireless communication device having gain error correcting feature |
10/09/2007 | US7279979 Method and arrangement for adjusting an output impedance of a power amplifier |
10/09/2007 | US7279978 Gain stage control method and related control circuit |
10/09/2007 | US7279977 Integrated circuit with resistive network having reduced mismatch |
10/09/2007 | US7278577 Image input system |
10/09/2007 | CA2280471C Power amplifier having monitoring and circuit protection |
10/04/2007 | WO2007111582A1 Audio system with parental maximum volume control |
10/04/2007 | WO2007110816A1 Automatic gain control circuit |
10/04/2007 | WO2007110693A1 Sony ericsson mobile communications ab |
10/04/2007 | WO2007110556A1 Amplifier gain control |
10/04/2007 | WO2007109830A1 Volume control device and distributed audio system |
10/04/2007 | US20070232252 Attenuator with switch function and mobile telephone terminal device using the same |
10/04/2007 | US20070229164 Low noise amplifier and low noise amplifying method |
10/04/2007 | US20070229162 Electronic circuit |
10/04/2007 | US20070228988 Vacuum tube circuit |
10/03/2007 | EP1841090A1 CDMA wireless transmitter-receiver system and transmission power control method of a CDMA wireless transmission apparatus |
10/03/2007 | EP1841061A2 Gain control method and apparatus in receiver of wireless communication system |
10/03/2007 | CN101048935A Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
10/03/2007 | CN100341250C An automatic gain control system and method |
10/02/2007 | US7278101 Controlling audio volume in processor-based systems |
10/02/2007 | US7277689 Transmission arrangement with power regulation |
10/02/2007 | US7277684 Antenna amplifier and shared antenna amplifier |
10/02/2007 | US7277678 Fast closed-loop power control for non-constant envelope modulation |
10/02/2007 | US7277511 Two-stage non-linear filter for analog signal gain control in an OFDM receiver |
10/02/2007 | US7276967 Signal level adjusting apparatus, gain value updating method, and program |
10/02/2007 | US7276966 Radio frequency envelope apparatus and method |
09/27/2007 | US20070224960 Radio receiver and radio signal processing method |
09/27/2007 | US20070223741 Audio amplifier and methods for use therewith |
09/27/2007 | US20070223738 Volume-Based Adaptive Biasing |
09/27/2007 | US20070223737 Audio system with parental maximum volume control |
09/27/2007 | US20070223733 Ambient Noise Sound Level Compensation |
09/27/2007 | US20070223711 System and method for visualizing sound source energy distribution |