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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
7877109 Method and apparatus for controlling transmission power of cognitive radio environment Jan. 25, 2011
7877066 Techniques to reduce the power consumption of an RF log-amp detector Jan. 25, 2011
7876814 Modem card configured to compensate for power supply Jan. 25, 2011
7873335 Current limiting circuit for RF power amplifier Jan. 18, 2011
7873334 Power control circuitry for a mobile terminal application Jan. 18, 2011
7873332 Method and system for mitigating a voltage standing wave ratio Jan. 18, 2011
7873330 Transceiver for reducing current consumption in a wireless communications network Jan. 18, 2011
7869837 System and method for implementing mobile IP node lossless transition from an idle state to an awake state Jan. 11, 2011
7869836 Power saving devices and power saving methods for mobile access point, and wireless network systems Jan. 11, 2011
7869775 Circuit and method for biasing a gallium arsenide (GaAs) power amplifier Jan. 11, 2011
7869774 RF saturation voltage sensor Jan. 11, 2011
7869773 RF power sensing circuit Jan. 11, 2011
7869484 Transmitter apparatus with adaptive power and phase for CDMA applications Jan. 11, 2011
7865168 Apparatus for controlling power consumption in PDA phone Jan. 4, 2011
7865167 Digital video broadcast-terrestrial (DVB-T) receiver interoperable with a GSM transmitter in a non-interfering manner Jan. 4, 2011
7860526 Outer loop power control for wireless communications Dec. 28, 2010
7860467 Power control for a dual mode transmitter Dec. 28, 2010
7860462 Adaptive power control for multicast transmissison Dec. 28, 2010
7860018 Thermal transmission control of wireless data modem Dec. 28, 2010
7856253 Power supply IC having switching regulator and series regulator Dec. 21, 2010
7856243 Power control for a radio transceiver that uses interference cancellation Dec. 21, 2010
7856048 On-chip IQ imbalance and LO leakage calibration for transceivers Dec. 21, 2010
7853237 Power supplying apparatus, power line communication apparatus, power line communication system, and power supplying method Dec. 14, 2010
7853236 Rectifier circuit and RFID tag Dec. 14, 2010
7848714 Radio frequency circuit apparatus and radio frequency module Dec. 7, 2010
7844306 Power transmission network Nov. 30, 2010
7844304 Method of filtering low frequency components from power lines Nov. 30, 2010
7844235 RF power transmission, modulation, and amplification, including harmonic control embodiments Nov. 30, 2010
7844234 Device, system, and method of providing biasing power Nov. 30, 2010
7844233 Passive amplification of signals Nov. 30, 2010
7844231 Apparatus and method for transmit/receive antenna switch in a TDD wireless communication system Nov. 30, 2010
7844211 Ionizing communication disruptor unit Nov. 30, 2010
7843804 Orthogonal frequency division multiplex transmission method Nov. 30, 2010
7840197 Highly linear and very low-noise down-conversion mixer for extracting weak signals in the presence of very strong unwanted signals Nov. 23, 2010
7839919 Adjusting transmit power spectra of transceiver devices in a communications network Nov. 23, 2010
7835709 RF power transmission, modulation, and amplification using multiple input single output (MISO) amplifiers to process phase angle and magnitude information Nov. 16, 2010
7831273 Power efficient wireless transmission Nov. 9, 2010
7831272 Method and apparatus for performing fast power control in a mobile communication system Nov. 9, 2010
7831227 DAC based switching power amplifier Nov. 9, 2010
7831225 Radio frequency power load and associated method Nov. 9, 2010
7826874 System and method for selectively activating a communication device Nov. 2, 2010
7826867 Wireless terminal having a flashlight Nov. 2, 2010
7826809 Method and apparatus for controlling gain of transmit antenna in a communication system Nov. 2, 2010
7822393 Transmission apparatus and communication apparatus Oct. 26, 2010
7818021 Wireless communication terminal and control method thereof Oct. 19, 2010
7813756 Mobile communication system, user equipment in mobile communication system, control program thereof, and transmission power control method in mobile communication system Oct. 12, 2010
7813755 Antenna device Oct. 12, 2010
7813695 Mobile assisted relay selection in a telecommunications system Oct. 12, 2010
7813436 Frame synchronization method and apparatus Oct. 12, 2010
7809408 Method and system for a power switch with a slow in-rush current Oct. 5, 2010

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