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Class Information
Number: 455/338
Name: Telecommunications > Receiver or analog modulated signal frequency converter > With particular receiver circuit > Coupling or decoupling between stages
Description: Systems including means whereby two or more stages or systems are electrically associated in such a manner that electrical effects in one produce similar effects in the other or networks are used to prevent interaction or coupling between two electric circuits.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616934 |
Switched impedance transformer for semiconductor circuits |
Nov. 10, 2009 |
| 7587193 |
Signal transmission arrangement having a transformer and a receiver circuit |
Sep. 8, 2009 |
| 7587192 |
Balanced mixer with calibration of load impedances |
Sep. 8, 2009 |
| 7564878 |
Method for operating an RLAN arrangement |
Jul. 21, 2009 |
| 7538741 |
Impedance matched passive radio frequency transmit/receive switch |
May. 26, 2009 |
| 7519009 |
Virtual exterior gateway protocol and related methods |
Apr. 14, 2009 |
| 7493216 |
Accessory-type GPS receiver |
Feb. 17, 2009 |
| 7447492 |
On chip transformer isolator |
Nov. 4, 2008 |
| 7403756 |
Highly-integrated MEMS-based miniaturized transceiver |
Jul. 22, 2008 |
| 7369877 |
Multi-channel demodulation with blind digital beamforming |
May. 6, 2008 |
| 7369096 |
Impedance matched passive radio frequency transmit/receive switch |
May. 6, 2008 |
| 7363019 |
Shaping the drive signal of a mixing device |
Apr. 22, 2008 |
| 7305223 |
Radio frequency circuit with integrated on-chip radio frequency signal coupler |
Dec. 4, 2007 |
| 7302247 |
Spread spectrum isolator |
Nov. 27, 2007 |
| 7218909 |
Integrated low noise amplifier |
May. 15, 2007 |
| 7088982 |
Gilbert cell and method thereof |
Aug. 8, 2006 |
| 7088963 |
Architecture for cordless telephones |
Aug. 8, 2006 |
| 7047043 |
Multi-channel demodulation with blind digital beamforming |
May. 16, 2006 |
| 7031690 |
Polyphase filter with low-pass response |
Apr. 18, 2006 |
| 7027794 |
Radio receiver and radio communication system |
Apr. 11, 2006 |
| 7024157 |
Local area network computer system utilizing radiating transmission line |
Apr. 4, 2006 |
| 6990350 |
Optical wireless networks with adjustable topologies |
Jan. 24, 2006 |
| 6978122 |
High-frequency switching device incorporating an inverter circuit |
Dec. 20, 2005 |
| 6968172 |
DC offset cancel circuit |
Nov. 22, 2005 |
| 6873838 |
Superregenerative oscillator RF receiver with differential output |
Mar. 29, 2005 |
| 6813486 |
RF circuit |
Nov. 2, 2004 |
| 6748207 |
Power distributing and synthesizing device and mobile communication equipment using same |
Jun. 8, 2004 |
| 6704559 |
Broadband RF mixer with improved intermodulation suppression |
Mar. 9, 2004 |
| 6654595 |
Radio system including mixer device and switching circuit and method having switching signal feedback control for enhanced dynamic range and performance |
Nov. 25, 2003 |
| 6647253 |
High gain intermediate frequency input circuit with satisfactory trap characteristics |
Nov. 11, 2003 |
| 6606488 |
Communications receiver with intermodulation reduction, and method |
Aug. 12, 2003 |
| 6421535 |
Superregenerative circuit |
Jul. 16, 2002 |
| 6144842 |
Radio frequency level control circuit with reduced supply voltage |
Nov. 7, 2000 |
| 6108529 |
Radio system including FET mixer device and square-wave drive switching circuit and method therefor |
Aug. 22, 2000 |
| 6078784 |
Multi-tap radio frequency modulator |
Jun. 20, 2000 |
| 6011965 |
Receiver with a tunable parallel resonant circuit |
Jan. 4, 2000 |
| 5963857 |
Article comprising a micro-machined filter |
Oct. 5, 1999 |
| 5946609 |
Reduced-radiation radio signal receivers |
Aug. 31, 1999 |
| 5890058 |
Electronic circuit and filter device using same |
Mar. 30, 1999 |
| 5815052 |
High-frequency composite components comprising first and second circuits connected in parallel for multi-frequency systems |
Sep. 29, 1998 |
| 5797090 |
Radio receiving apparatus having current consumption reducing function |
Aug. 18, 1998 |
| 5734976 |
Micro-receiver for receiving a high frequency frequency-modulated or phase-modulated signal |
Mar. 31, 1998 |
| 5734975 |
Direct-coupled signaling receiver with PL/DPL detector |
Mar. 31, 1998 |
| 5710999 |
Radio frequency apparatus |
Jan. 20, 1998 |
| 5697095 |
Tuner capable of reducing power consumption and heat generation |
Dec. 9, 1997 |
| 5697085 |
Radio transceiver comprising an arrangement for compensating for a DC component |
Dec. 9, 1997 |
| 5678219 |
Integrated electronic warfare antenna receiver |
Oct. 14, 1997 |
| 5655219 |
Wireless LAN system capable of re-transmission under management of a base station device to a destination mobile terminal device |
Aug. 5, 1997 |
| 5533023 |
Practical means for dynamic allocation of individual demodulators to a multiplicity of received RF signals |
Jul. 2, 1996 |
| 5410745 |
Detector and video amplifier |
Apr. 25, 1995 |
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