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Class Information
Number: 455/314
Name: Telecommunications > Receiver or analog modulated signal frequency converter > Frequency modifying or conversion > Plural separate successive conversions
Description: Subject matter comprising a plurality of separate frequency modifying or conversion means or stages, the modulated input wave being passed through the frequency conversion stages in succession.


Sub-classes under this class:

Class Number Class Name Patents
455/315 With plural separate local oscillators 204


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7589597 Ultra wideband and fast hopping frequency synthesizer for MB-OFDM wireless application Sep. 15, 2009
7590391 Digital intermediate frequency transmitter for wireless communication Sep. 15, 2009
7580689 Transmission method, transmitter, reception method, and receiver Aug. 25, 2009
7565166 Non-interacting transmission of identification information on communication lines Jul. 21, 2009
7512083 Single chip multi-antenna wireless data processor Mar. 31, 2009
7486942 Receiver Feb. 3, 2009
7483498 Frequency content separation using complex frequency shifting converters Jan. 27, 2009
7477886 Cascading-synchronous mixer and method of operation Jan. 13, 2009
7463875 Wireless device minimizing use of external bandpass filter between low-noise amplifier and first mixer Dec. 9, 2008
7450185 Fully integrated tuner circuit architecture for a television system Nov. 11, 2008
7423699 Fully integrated tuner architecture Sep. 9, 2008
7403761 System and method for frequency translation using an image reject mixer Jul. 22, 2008
7392024 Radio receiver, radio communication system and electronic equipment Jun. 24, 2008
7386291 Integrated millimeter-wave quadrature generator Jun. 10, 2008
7356324 Mobile radio receiver device Apr. 8, 2008
7324797 Bragg-cell application to high probability of intercept receiver Jan. 29, 2008
7321268 Ultra wideband and fast hopping frequency synthesizer for MB-OFDM wireless application Jan. 22, 2008
7310023 Frequency synthesizer Dec. 18, 2007
7310497 Radio communication repeater Dec. 18, 2007
7308243 Mixer arrangement and method for mixing signals Dec. 11, 2007
7295823 Combined discrete automatic gain control (AGC) and DC estimation Nov. 13, 2007
7277688 DC offset correction for very low intermediate frequency receiver Oct. 2, 2007
7231197 Angle rate interferometer and passive ranger Jun. 12, 2007
7197292 Chopper stabilized analog multiplier Mar. 27, 2007
7146148 Low intermediate frequency type receiver Dec. 5, 2006
7139545 Ultra-wideband fully synthesized high-resolution receiver and method Nov. 21, 2006
7127227 Digital down-converter Oct. 24, 2006
7120406 Multiband receiver and method associated therewith Oct. 10, 2006
7103343 Receiver, in particular for mobile radio Sep. 5, 2006
7092043 Fully integrated tuner architecture Aug. 15, 2006
7085549 Dynamic power sharing zero intermediate frequency (ZIF) mixer and method of forming same Aug. 1, 2006
7082294 Self-adaptive frequency band-pass filtering device in microwave signal transceiver Jul. 25, 2006
7076231 Receiver apparatus controlling the power consumption according to the reception signal level Jul. 11, 2006
7072649 Multiple purpose antenna system Jul. 4, 2006
7058377 Dual channel downconverter for pulsed radio frequency measurements Jun. 6, 2006
7035614 System and method for discovering frequency related spurs in a multi-conversion tuner Apr. 25, 2006
7027792 Topology for a single ended input dual balanced mixer Apr. 11, 2006
7016662 Method and apparatus for up-conversion of radio frequency (RF) signals Mar. 21, 2006
7013121 Frequency conversion circuit using common local synthesizer Mar. 14, 2006
6996388 High-frequency signal receiver Feb. 7, 2006
6980774 Radio frequency integrated circuit Dec. 27, 2005
6980786 Adaptive receiver system that adjusts to the level of interfering signals Dec. 27, 2005
6973328 Millimeter wave band transmitter, millimeter wave band receiver and millimeter wave band communication apparatus carrying out radio communication in millimeter wave band region Dec. 6, 2005
6970687 Mixer Nov. 29, 2005
6922555 Phase interpolation receiver for angle modulated RF signals Jul. 26, 2005
6892061 Mixer circuit configuration May. 10, 2005
6882834 Direct conversion receiver apparatus Apr. 19, 2005
6876842 Superheterodyne receivers Apr. 5, 2005
6839551 Radio frequency mixer and method of operation Jan. 4, 2005
6807407 Dual double balanced mixer Oct. 19, 2004

1 2 3 4


 
 
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