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Class Information
Number: 455/280
Name: Telecommunications > Receiver or analog modulated signal frequency converter > With wave collector (e.g., antenna) > With coupling to a stage of the receiver
Description: Subject matter including wave collector and a receiver stage coupled by a specified coupling means.










Sub-classes under this class:

Class Number Class Name Patents
455/281 Having distributed parameters 43
455/290 Including passive tuned circuit 48
455/293 Specified stage (e.g., mixer, amplifier, or demodulator) 189
455/292 Transformer or other passive inductance 84
455/283 Undesired signal or noise control (e.g., antistatic) 140
455/291 Using active device (e.g., as preamplifier or reactance) 60
455/289 With coupling varying, regulating, or control 76


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8693528 Common mode suppression circuit Apr. 8, 2014
8660508 Calibration of passive harmonic-rejection mixer Feb. 25, 2014
8655299 Saw-less receiver with RF frequency translated BPF Feb. 18, 2014
8626084 Area efficient concurrent matching transceiver Jan. 7, 2014
8606210 Polyphase harmonic rejection mixer Dec. 10, 2013
8594604 Fringe capacitor circuit Nov. 26, 2013
8564091 Die-to-die electrical isolation in a semiconductor package Oct. 22, 2013
8565711 SAW-less receiver including an IF frequency translated BPF Oct. 22, 2013
8503960 Amplifier and associated receiver Aug. 6, 2013
8489056 Frequency agile filter using a digital filter and bandstop filtering Jul. 16, 2013
8483642 Saw-less receiver with offset RF frequency translated BPF Jul. 9, 2013
8478223 Methods and apparatus for receiving radio frequency signals Jul. 2, 2013
8428539 Spread spectrum isolator Apr. 23, 2013
8422981 Multi-band low noise amplifier and multi-band radio frequency receiver including the same Apr. 16, 2013
8415777 Integrated circuit with millimeter wave and inductive coupling and methods for use therewith Apr. 9, 2013
8385871 Frequency agile filter using a digital filter and bandstop filtering Feb. 26, 2013
8373436 Adaptive termination Feb. 12, 2013
8374566 Integrated wideband RF tracking filter for RF front end with parallel band switched tuned amplifiers Feb. 12, 2013
8358989 Wireless communication apparatus having automatic antenna tuning function Jan. 22, 2013
8355688 Method and system for frequency selection using microstrip transceivers for high-speed applications Jan. 15, 2013
8351855 Proximity coupling without Ohmic contact and applications thereof Jan. 8, 2013
8351884 Diversity reception in radio receiver Jan. 8, 2013
8346198 Low noise amplifier for a radio receiver Jan. 1, 2013
8270907 Method and system for matching an integrated FM system to an antenna utilizing on-chip measurement of reflected signals Sep. 18, 2012
8242841 Receiver having multi-stage low noise amplifier Aug. 14, 2012
8200168 Programmable antenna assembly and applications thereof Jun. 12, 2012
8195119 Switchable input pair operational amplifiers Jun. 5, 2012
8185062 Configurable antenna assembly May. 22, 2012
8170519 System and method for radio signal reconstruction using signal processor May. 1, 2012
8160531 Receiving device for adjusting energy of a received signal sent over a transmission line Apr. 17, 2012
8160275 Apparatus and method for an integrated, multi-mode, multi-band, and multi-stage power amplifier Apr. 17, 2012
8150355 Radio receiver Apr. 3, 2012
8131226 Multi-band-high-frequency circuit, multi-band high-frequency circuit component and multi-band communication apparatus using same Mar. 6, 2012
8120419 Apparatus for type-A demodulation and integrated circuit card including the same Feb. 21, 2012
8121574 Loop-type directional coupler Feb. 21, 2012
8116714 Use of powerlines for transmission of high frequency signals Feb. 14, 2012
8073417 Method and system for a transformer-based high performance cross-coupled low noise amplifier Dec. 6, 2011
8045942 System and method for radio signal reconstruction using signal processor Oct. 25, 2011
8032101 Electronic apparatus, dispersion adjustment method of IC internal component section of electronic apparatus and IC Oct. 4, 2011
8019306 Amplifier and communication apparatus Sep. 13, 2011
8019307 Method and related electronic device for adjustment of a radio frequency circuit by impedance loading features Sep. 13, 2011
8014732 Programmable antenna assembly and applications thereof Sep. 6, 2011
7982492 Adaptive termination Jul. 19, 2011
7964944 System on package of a mobile RFID interrogator Jun. 21, 2011
7933562 RF transceiver with adjustable antenna assembly Apr. 26, 2011
7925220 Method and system for matching an integrated FM system to an antenna utilizing on-chip measurement of reflected signals Apr. 12, 2011
7903761 UWB radio interface with DC offset Mar. 8, 2011
7890078 Dual band WLAN communication frequency synthesizer technique Feb. 15, 2011
7877077 Multi-band low noise amplifier and multi-band radio frequency receiver including the same Jan. 25, 2011
7856219 Transformer coils for providing voltage isolation Dec. 21, 2010

1 2 3 4










 
 
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