Patents
Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162)
10/2012
10/07/2012CA2773551A1 Method and system for adjusting wlan radio receiver gain in a wireless device
10/04/2012WO2012130896A1 Technique for automatic gain control
10/04/2012WO2012130625A1 Devices for automatically adjusting an amplifying or attenuating factor
10/04/2012WO2012130610A2 Apparatus and method for fixing a gain or attentuation factor
10/04/2012US20120250896 Audio signal controller
10/04/2012US20120250895 System for adjusting perceived loudness of audio signals
10/04/2012US20120250894 Apparatus including means for connecting to one or more outer speakers as well as means for detecting such a connection
10/04/2012US20120250893 Hybrid permanent/reversible dynamic range control system
10/04/2012US20120250892 Signal processor and signal processing method
10/04/2012US20120250891 Personal listening device with self-adjusting sound volume
10/04/2012US20120250890 Audio device and method for audio outputting
10/04/2012US20120250889 Automatic volume reduction
10/04/2012US20120250888 Audio signal processing apparatus
10/04/2012US20120250887 Volume scale selection
10/04/2012US20120250875 Portable Loudspeaker
10/04/2012US20120249240 System and method for effectively implementing a front end for a transimpedance amplifier
10/04/2012US20120249239 Correlated-double-sampling switched-capacitor gain stages, systems implementing the gain stages, and methods of their operation
10/04/2012US20120249237 Correlated-level-shifting and correlated-double-sampling switched-capacitor gain stages, systems implementing the gain stages, and methods of their operation
10/04/2012US20120249236 Amplifier Circuit, Mobile Communication Device and Method for Adjusting a Bias of a Power Amplifier
10/04/2012US20120248630 Hybrid integrated circuit device, and method for fabricating the same, and electronic device
10/04/2012DE102011081245A1 Vorrichtung und Verfahren zum Fixieren eines Verstärkungs- bzw. Dämpfungsfaktors Apparatus and method for fixing a gain or attenuation factor
10/04/2012DE102011006566A1 Vorrichtungen zum automatischen Einstellen eines Verstärkungs- bzw. Dämpfungsfaktors Devices for automatically adjusting a gain or attenuation factor
10/04/2012CA2825843A1 A device and a method for fixing a gain or attenuation factor
10/04/2012CA2804497A1 Devices for the automatic adjustment of gain and/or attenuation factor
10/03/2012EP2506593A1 Receiver, reception method, program and reception system for determining a gain and for adjusting the power of a received signal
10/03/2012EP2506442A1 Radio head device and method of operating a radio head device
10/03/2012EP2506428A1 Technique for automatic gain control
10/03/2012EP2504921A2 Logarithmic mean-square power detector with servo control loop
10/03/2012EP2504834A1 Method for detecting audio ticks in a noisy environment
10/03/2012CN1998157B Controlling power in high-frequency transmitters
10/03/2012CN102710228A Method for one-click testing and automatic gain control of loop time constants
10/03/2012CN102707653A High precision intelligent gain multipath data collecting system
10/02/2012US8280937 Sparse-coded look-up table
10/02/2012US8280076 System and method for audio system configuration
10/02/2012US8279008 CMOS millimeter-wave variable-gain low-noise amplifier
10/02/2012US8279007 Switch for use in a programmable gain amplifier
10/02/2012US8279002 Variable gain amplifier circuit
10/02/2012US8279001 Push-pull linear hybrid class H amplifier
09/2012
09/27/2012US20120245933 Adaptive ambient sound suppression and speech tracking
09/27/2012US20120245717 System and method for adjusting an audio signal
09/27/2012US20120242412 Auto Bias
09/27/2012US20120242408 Low noise variable gain amplifier utilizing variable feedback techniques with constant input/output impedance
09/27/2012DE102011015010A1 Verfahren zum Betreiben eines aktiven Motorlagers für ein Fahrzeug und aktives Motorlager A method of operating an active engine mount for a vehicle and an active engine mount
09/27/2012DE102011014843A1 Verstärkeranordnung und Verfahren zum Betreiben einer Verstärkeranordnung Amplifier arrangement and method for operating an amplifier arrangement
09/26/2012CN202455319U Resistance strain conditioning device
09/26/2012CN102694517A Spatially constant surround sound
09/26/2012CN102694511A Low-voltage driven integrated circuit amplifier for vehicle control circuit
09/26/2012CN101771391B Electronic device, volume control system and method thereof
09/26/2012CN101366177B Audio dosage control
09/25/2012US8275477 Method and apparatus for distortion of audio signals and emulation of vacuum tube amplifiers
09/25/2012US8275154 Apparatus for processing an audio signal and method thereof
09/25/2012US8275153 System and method for generating an audio gain control signal
09/25/2012US8275138 Dynamic acoustic rendering
09/25/2012US8275137 Audio distortion correction for a parametric reproduction system
09/25/2012US8275135 Loudness adjustment with self-adaptive gain offsets
09/25/2012US8274336 Saturated power amplifier system
09/25/2012US8274333 Method and apparatus for protecting devices in an RF power amplifier
09/25/2012US8274328 Amplifying apparatus
09/25/2012CA2505189C Systems and methods of dynamic bias switching for radio frequency power amplifiers
09/20/2012WO2012124576A1 Gain control circuit, communication apparatus, electronic device, and gain control method
09/20/2012WO2012099340A3 Variable gain amplifier
09/20/2012US20120237057 Audio driver circuit
09/20/2012US20120237005 System and Method of Adjusting the Sound of Multiple Audio Objects Directed Toward an Audio Output Device
09/20/2012US20120235748 Amplifier, transmission apparatus, and gate voltage determination method
09/20/2012US20120235740 Low-Cost Magnetic Stripe Reader Using Independent Switching Thresholds
09/20/2012US20120235739 Programmable gain amplifier with multi-range operation for use in body sensor interface applications
09/20/2012US20120235738 Amplification device
09/20/2012US20120235737 Apparatus and methods for capacitive load reduction
09/20/2012US20120235736 Charge pump based power amplifier envelope power supply and bias power supply
09/20/2012US20120235735 Power amplifier circuit and front end circuit
09/19/2012CN202444469U Audio signal control device
09/19/2012CN102687393A Method for controlling the transmission power of a transmitter system integrated in an electronic housing of a motor vehicle, and electronic housing thus obtained
09/19/2012CN102684628A Method for modifying parameters of audio dynamic processor and device executing the method
09/19/2012CN102684627A Method and system for automatic gain control during signal acquisition
09/19/2012CN102684626A Determining automatic gain control levels
09/19/2012CN102684625A Signal amplifying system and signal amplifying method
09/19/2012CN102684624A Inphase amplifying circuit based on input branch switch modulation and implementation method thereof
09/19/2012CN102684623A See-saw circuit based on input branch switch modulation
09/19/2012CN102684622A Variable gain amplifier
09/19/2012CN102684621A 可变增益放大器 A variable gain amplifier
09/19/2012CN102684620A Piecewise linear gain method
09/19/2012CN102684614A Amplifier
09/19/2012CN102682780A Transcoding of audio metadata
09/19/2012CN102682725A Gamma switching amplifier
09/18/2012US8271109 Method and apparatus for distortion of audio signals and emulation of vacuum tube amplifiers
09/18/2012US8270621 Automatic generation of audible alert according to ambient sound
09/18/2012US8269560 Power amplifying apparatus
09/18/2012US8269559 Amplifying device
09/18/2012US8269558 Power supply controller for a multi-gain step RF power amplifier
09/13/2012WO2012120917A1 Automatic gain control device
09/13/2012WO2012120811A1 Reception signal processing device
09/13/2012WO2012120804A1 Wireless device and receiving method
09/13/2012US20120230516 User profile based audio adjustment techniques
09/13/2012US20120230509 Arrangements in a device for use with a service involving play out of media and related methods
09/13/2012US20120229316 Delta-sigma modulator approach to increased amplifier gain resolution
09/13/2012US20120229213 Amplifying device
09/13/2012US20120229208 Power Control
09/12/2012EP2498400A1 A delta-sigma modulator approach to increased amplifier gain resolution
09/12/2012CN202435347U Control circuit for restricting carrier wave transmission by controlling voltage
09/12/2012CN102668480A Analog bias control for packet communication systems
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