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Class Information
Number: 455/127.1
Name: Telecommunications > Transmitter > Power control, power supply, or bias voltage supply
Description: Subject matter including control detail of transmitter power output (e.g., via power amplifiers), or detail of the source of electrical energy, or of the circuitry connecting such source to the transmitter for supplying power, or biasing potential to the active elements of the transmitter.










Sub-classes under this class:

Class Number Class Name Patents
455/127.4 Dual mode (e.g., analog and digital) 214
455/127.2 Gain control 758
455/127.5 Power conservation 478


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next

Patent Number Title Of Patent Date Issued
7561856 Distortion compensation amplifying apparatus and base station Jul. 14, 2009
7561854 Lossless transmit path antenna switch circuit Jul. 14, 2009
7558593 Outer loop power control method and apparatus for wireless communication systems Jul. 7, 2009
7558552 Integrated circuit and method of generating a bias current for a plurality of data transceivers Jul. 7, 2009
7558539 Power control feedback loop for adjusting a magnitude of an output signal Jul. 7, 2009
7558230 Method for controlling power of HS-SCCH in mobile communication system Jul. 7, 2009
7557551 Amplitude modulated switching voltage regulator Jul. 7, 2009
7555307 Outer loop power control for wireless communication systems Jun. 30, 2009
7555271 Single side band transmissions Jun. 30, 2009
7551688 Waveforms for envelope tracking transmitter Jun. 23, 2009
7548760 Method of reverse link dynamic power control in a wireless communication system using quality feedback from a delay-sensitive traffic stream or overhead channel Jun. 16, 2009
7548759 Power controlling method during a soft handoff in a mobile communication system Jun. 16, 2009
7546137 Power control loop and LO generation method Jun. 9, 2009
7546136 Variable transmit power control strategies for high-speed downlink packet access systems Jun. 9, 2009
7546098 Control system with selective open-loop operation Jun. 9, 2009
7542740 Power amplifier output switch using hybrid combiner Jun. 2, 2009
7542739 Up converter mixer linearization improvement Jun. 2, 2009
7541865 EER high frequency amplifier Jun. 2, 2009
7539508 Reducing idle power consumption in a networked battery operated device May. 26, 2009
7539477 Wireless LAN apparatus and semiconductor device May. 26, 2009
7539468 Communication terminal device and amplification circuit May. 26, 2009
7539467 Low leakage IC input structures including slaved standby current shut-off and increased gain for tighter hysteresis May. 26, 2009
7539466 Amplifier with varying supply voltage and input attenuation based upon supply voltage May. 26, 2009
7537171 Thermostat control system providing power saving transmissions May. 26, 2009
7536209 Wireless access point software system May. 19, 2009
7532868 Approach for determining signal to noise ratios based on equalizer outputs and managing power for communications channels based on performance May. 12, 2009
7529528 Power consumption controlling apparatus for high frequency amplifier May. 5, 2009
7529527 Methods and apparatus for reestablishing a data connection with a wireless communication network May. 5, 2009
7529526 Apparatus and method for detecting radio frequency transmission power levels May. 5, 2009
7529316 Transmitter May. 5, 2009
7526308 Adaptive control physical carrier sense parameters in wireless networks Apr. 28, 2009
7526259 Radio frequency circuit and communication system with power amplifier control Apr. 28, 2009
7522892 Power amplifier with serial interface and associated methods Apr. 21, 2009
7522878 Adaptive inductive power supply with communication Apr. 21, 2009
7522671 Apparatus and method for transmitting and receiving high-speed differential current data between circuit devices Apr. 21, 2009
7519336 Method and arrangement for optimizing efficiency of a power amplifier Apr. 14, 2009
7519015 Method of providing packet data service in a wireless telecommunication system Apr. 14, 2009
7515925 Wireless communication device for periodically controlling a carrier wave to establish a good communication state with a communication object Apr. 7, 2009
7515884 Method and system for self-calibrating transmit power Apr. 7, 2009
7515880 Variable gain frequency multiplier Apr. 7, 2009
7512422 RF generator with commutation inductor Mar. 31, 2009
7512387 Method and control system for controlling the output power of an RF amplifier system Mar. 31, 2009
7512386 Method and apparatus providing integrated load matching using adaptive power amplifier compensation Mar. 31, 2009
7511454 Battery label with wireless battery charging circuit Mar. 31, 2009
7509114 Redundant powered device circuit Mar. 24, 2009
7509102 DAC based switching power amplifier Mar. 24, 2009
7509101 Method and apparatus for reducing leakage in a direct conversion transmitter Mar. 24, 2009
7505794 Semiconductor integrated circuit device, and non-contact type IC card and portable information terminal using the semiconductor integrated circuit device Mar. 17, 2009
7505780 Outer-loop power control for wireless communication systems Mar. 17, 2009
7505742 Battery life extending technique for mobile wireless applications using bias level control Mar. 17, 2009

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