H03G 3 - Gain control in amplifiers or frequency changers

Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162)
11/2006
11/29/2006	CN1870423A Automatic gain control using multi-comparators
11/29/2006	CN1287515C Emitter using for CDMA communication system and emitting method thereof
11/28/2006	US7142678 Dynamic volume control
11/28/2006	US7142069 Method and circuit arrangement for amplitude regulation of an oscillator signal
11/28/2006	US7142048 Pop sound reduction circuit and voice output amplification device
11/23/2006	WO2006125061A1 Adapted audio response
11/23/2006	WO2006122389A1 Adaptive gain control system
11/23/2006	US20060265093 Process for adjusting the sound volume of a digital sound recording
11/23/2006	US20060261895 Automatic gain control using multi-comparators
11/23/2006	DE102004034880B4 Versorgungsschaltung für einen Verstärkertransistor und Einrichtung zum Kalibrieren der Versorgungsschaltung und entsprechende Verfahren hierfür Supply circuit for an amplifier transistor and means for calibrating the supply circuit and corresponding method therefor
11/23/2006	CA2608749A1 Adapted audio response
11/22/2006	EP1724937A1 Receiving circuit, and receiving apparatus and transmitting/receiving apparatus using the receiving circuit
11/22/2006	EP1723738A1 Method and system for reducing pop noise of a sound broadcasting instrument
11/22/2006	CN1868118A Method and apparatus for resetting a buffer amplifier
11/22/2006	CN1286311C Receiver
11/21/2006	US7139538 Electronic component for amplifying high frequency power and radio communication system
11/21/2006	US7139537 Transmission output circuit and mobile communication terminal
11/21/2006	US7139403 Hearing aid with digital compression recapture
11/21/2006	US7139393 Environmental noise level estimation apparatus, a communication apparatus, a data terminal apparatus, and a method of estimating an environmental noise level
11/21/2006	US7138869 Amplifier circuit
11/21/2006	US7138867 Balanced variable gain amplifier capable of achieving performance by low source voltage
11/21/2006	US7138863 Gain control of a power amplifier
11/16/2006	WO2005124999A3 Peak-limiting mixer for multiple audio tracks
11/16/2006	US20060256980 Method and apparatus for dynamically controlling threshold of onset of audio dynamics processing
11/16/2006	US20060256973 Method and apparatus for correlation and mobile playback of bird songs and animals calls
11/16/2006	US20060256207 Automatic gain control circuit
11/16/2006	US20060255860 Method and apparatus for detection of high-speed electrical signals
11/15/2006	EP1722472A2 Flush mounted box and method of production
11/15/2006	EP1219026B1 Transmitter power amplifier ramping method
11/15/2006	CN1864325A Transmission device, transmission output control method, and radio communication device
11/15/2006	CN1862955A Gain control circuit capable of reducing change in gain due to variation of ambient temperature
11/15/2006	CN1862952A High frequency power amplifier, transmitter and mobile communication terminal using the power amplifier
11/14/2006	US7136764 Variable gain amplifier circuit
11/14/2006	US7136493 Sub-harmonic generator and stereo expansion processor
11/14/2006	US7135942 Interpolating programmable gain attenuator
11/14/2006	US7135926 Adaptable voltage control for a variable gain amplifier
11/14/2006	US7135921 Differential circuit, amplifier circuit, driver circuit and display device using those circuits
11/14/2006	US7135918 Linear power amplifier circuit with a modulated power supply signal
11/14/2006	CA2298927C Aparatus and method for reducing oscillator frequency pulling during am modulation
11/09/2006	WO2006118292A1 Speech output control device and recording medium recorded with speech output control programs
11/09/2006	WO2006117894A1 Automatic gain control apparatus
11/09/2006	US20060251428 Method and system for converting an optical received pulse train into an electrical output pulse train
11/09/2006	US20060250182 Radio frequency circuit apparatus and radio frequency module
11/09/2006	DE10219360B4 Leistungsnormierung in Wlan-Empfängern Power normalization in WLAN receivers
11/09/2006	DE102005020319A1 Amplifier arrangement for global system for mobile communications (GSM) mobile phones has activating/deactivating unit that supplies input control signals to terminals of transistors to control transistors
11/09/2006	DE102005019604A1 Active directional loudspeaker for use in limited hearing zones has analysis unit that compares information signal with microphone output signal to produce controlled variable for controlling volume of loudspeaker
11/08/2006	EP1720249A1 Audio enhancement system and method
11/08/2006	EP1719250A1 Load insensitive power amplifier
11/08/2006	CN1284304C Variable gain amplifier and radio communication device
11/08/2006	CN1284299C Method and appts. for calibrating GM cell utilizing replica GM cell
11/07/2006	US7133528 Call device
11/07/2006	US7133466 Amplifying apparatus
11/07/2006	US7133081 System and method for TV automatic gain control (AGC)
11/02/2006	WO2006115254A1 Automatic gain control circuit and signal reproducing device
11/02/2006	WO2006065462B1 A transmitter, a transceiver and a method of controlling a transmit power therefor
11/02/2006	WO2006059829A3 Method for automatic gain control before initial synchronization in ofdm system and apparatus thereof
11/02/2006	US20060246857 Power saving in a transmitter
11/02/2006	US20060245603 Volume controller
11/02/2006	US20060244535 Power amplifier with multi mode gain circuit
11/02/2006	US20060244534 Integrated implementation of a collector boost scheme and method therefor
11/02/2006	US20060244533 Sliding bias circuit for enabling dynamic control of quiescent current in a linear power amplifier
11/02/2006	EP1717972A1 Automatic bit rate control circuit
11/02/2006	EP1717951A1 Gain control for a transmitter with a cartesian loop with digital processing
11/02/2006	EP1717950A2 Method for optimizing the level of RF signals by comparing quality of the RF signals under different operation modes
11/02/2006	EP1716702A1 System and method for tv automatice gain control (agc)
11/02/2006	DE102006004227A1 Verstärker mit variablem Verstärkungsfaktor Variable gain amplifier
11/01/2006	CN1855705A Power amplifier with automatic switching function
11/01/2006	CN1855704A Automatic volume regulation of electronic device
11/01/2006	CN1282950C Method and device used for controlling record power level
10/2006
10/31/2006	US7130653 Power allocation of wireless transmission apparatus
10/31/2006	US7130596 Dynamically varying linearity system for an RF front-end of a communication device
10/31/2006	US7130595 Transmitter power amplifier ramping method
10/31/2006	US7130546 Optical receiver
10/31/2006	US7130428 Picked-up-sound recording method and apparatus
10/31/2006	US7130413 Microprocessor-controlled full-duplex speakerphone using automatic gain control
10/31/2006	US7130184 Portable terminal with multipurpose earjack
10/26/2006	WO2006113693A2 Method & apparatus for correlation and mobile playback of bird songs and animal calls
10/26/2006	WO2006113062A1 Audio metadata verification
10/26/2006	US20060240788 Transmission output control circuit, and wireless device using the same
10/26/2006	US20060238256 Gigabit ethernet transceiver with analog front end
10/26/2006	US20060238255 Automatic gain control with three states of operation
10/26/2006	US20060238245 RF amplifier employing active load linearization
10/26/2006	US20060238244 Power amplifier
10/26/2006	DE10349800B4 Bluetooth Kopfhörer-Mikrofon-Kombination und Verfahren zur Information des Benutzers über eingehende Anrufsignale unter Benutzung derselben Bluetooth Headset microphone combination and procedures for informing the user of incoming call signals using the same
10/25/2006	EP1714393A1 Radio transmitter with reduced power consumption
10/25/2006	EP1714383A1 Methods and systems for signal amplification through envelope removal and restoration
10/25/2006	EP1714379A1 Programmable radio transceiver
10/25/2006	CN1853342A An adaptive wideband digital amplifier for linearly modulated signal amplification and transmission
10/25/2006	CN1282378C Cellular mobile telephone terminal
10/25/2006	CN1282302C Device and method for power ramp up of wireless modem transmitter
10/25/2006	CN1282070C Electronic apparatus that allows speaker volume control based on surrounding sound volume and method of speaker volume control
10/24/2006	US7127219 Transmitter
10/24/2006	US7126428 Radio frequency variable gain amplifier with linearity insensitive to gain
10/24/2006	US7126420 R.F. output power control
10/24/2006	US7126419 Analog summing and differencing circuit, optical receiving circuit, optical transmitting circuit, automatic gain control amplifier, automatic frequency compensation amplifier, and limiting amplifier
10/19/2006	WO2006110590A1 Baseband signal processor
10/19/2006	WO2006109214A1 Broadband amplifier
10/19/2006	WO2006109023A2 Means for Attaching A Conduit At An Opening And A Distribution Box Assembly Incorporating Same
10/19/2006	US20060234656 Communication semiconductor integrated circuit, communication electronic component and wireless communication system
10/19/2006	US20060233393 Digital volume control circuit and method calibrated in decibels

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