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Class Information
Number: 455/339
Name: Telecommunications > Receiver or analog modulated signal frequency converter > With particular receiver circuit > Coupling or decoupling between stages > Band pass filter
Description: Systems wherein the coupling means comprises a band pass filter.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7245892 |
Satellite reception |
Jul. 17, 2007 |
| 7234234 |
Method of manufacturing bandpass filters for GHz bands |
Jun. 26, 2007 |
| 7231192 |
High frequency receiver |
Jun. 12, 2007 |
| 7228119 |
Apparatus and method for a radio frequency (RF) receiver front end pre-selector tuning for improving the reduction in intermodulation distortion (IMD) |
Jun. 5, 2007 |
| 7206563 |
Reduction of radio frequency interference (RFI) produced by switching amplifiers |
Apr. 17, 2007 |
| 7194247 |
Dual-channel passband filtering system using acoustic resonators in lattice topology |
Mar. 20, 2007 |
| 7187735 |
Mixed technology MEMS/SiGe BiCMOS digitalized analog front end with direct RF sampling |
Mar. 6, 2007 |
| 7184741 |
Single chip radio receiver with decoder and controllable baseband filter |
Feb. 27, 2007 |
| 7184742 |
High frequency device |
Feb. 27, 2007 |
| 7181184 |
Band edge amplitude reduction system and method |
Feb. 20, 2007 |
| 7174147 |
Bandpass filter with tunable resonator |
Feb. 6, 2007 |
| 7162271 |
Band pass filter and method of filtering for a base station in a wireless communication system |
Jan. 9, 2007 |
| 7158774 |
Method for tuning a filter |
Jan. 2, 2007 |
| 7155196 |
Intermediate frequency tuner |
Dec. 26, 2006 |
| 7142836 |
Microwave filter distributed on circuit board of wireless communication product |
Nov. 28, 2006 |
| 7142837 |
Multiple-section bandpass filter for broadcast communications |
Nov. 28, 2006 |
| 7139547 |
Integrated direct conversion satellite tuner |
Nov. 21, 2006 |
| 7120416 |
Semiconductor device and receiver |
Oct. 10, 2006 |
| 7120465 |
Transceiver system including multiple radio base stations that share an antenna |
Oct. 10, 2006 |
| 7116958 |
Interference rejection in a radio receiver |
Oct. 3, 2006 |
| 7116966 |
Transmitting/receiving filter device and communication device |
Oct. 3, 2006 |
| 7116957 |
Velocity responsive filtering for pilot signal reception |
Oct. 3, 2006 |
| 7113760 |
Direct conversion receiver for amplitude modulated signals using linear/log filtering |
Sep. 26, 2006 |
| 7092678 |
Front end module for wireless network system |
Aug. 15, 2006 |
| 7088985 |
Low-noise filter for a wireless receiver |
Aug. 8, 2006 |
| 7088984 |
Electronic tuner |
Aug. 8, 2006 |
| 7072630 |
Adaptive data rate determination for a reverse link communication in a communication system |
Jul. 4, 2006 |
| 7050779 |
Semiconductor integrated circuit device |
May. 23, 2006 |
| 7050780 |
Radio frequency tranceiver |
May. 23, 2006 |
| 7039385 |
Method and apparatus for automatic center frequency tuning of tunable bandpass filters |
May. 2, 2006 |
| 7027794 |
Radio receiver and radio communication system |
Apr. 11, 2006 |
| 7013124 |
Wide band tuner |
Mar. 14, 2006 |
| 6985709 |
Noise dependent filter |
Jan. 10, 2006 |
| 6985712 |
RF device and communication apparatus using the same |
Jan. 10, 2006 |
| 6977545 |
FM signal receiver and wireless communications device using same |
Dec. 20, 2005 |
| 6953980 |
Semiconductor filter circuit and method |
Oct. 11, 2005 |
| 6947719 |
Nano-electromechanical filter |
Sep. 20, 2005 |
| 6944435 |
Unconditionally stable on-chip filter and applications thereof |
Sep. 13, 2005 |
| 6937871 |
Anti-demodulator circuit, filtering device and demodulator circuit |
Aug. 30, 2005 |
| 6930565 |
Fully integrated automatically-tuned RF and IF active bandpass filters |
Aug. 16, 2005 |
| 6917252 |
Fully integrated automatically-tuned RF and IF active bandpass filters |
Jul. 12, 2005 |
| 6898419 |
Remotely adjustable bandpass filter |
May. 24, 2005 |
| 6895228 |
High frequency low-pass filter |
May. 17, 2005 |
| 6856797 |
Programmable radio receiver bandpass filter for cordless/wireless systems |
Feb. 15, 2005 |
| 6763230 |
Frequency-lock filtering receiver |
Jul. 13, 2004 |
| 6741847 |
Multi-carrier receiver frequency conversion architecture |
May. 25, 2004 |
| 6718167 |
Filter center frequency temperature compensation by adjustment of the operating frequency of the host system |
Apr. 6, 2004 |
| 6711394 |
RF receiver having cascaded filters and an intermediate amplifier stage |
Mar. 23, 2004 |
| 6678511 |
Circuit for correcting pass band flatness |
Jan. 13, 2004 |
| 6658245 |
Radio receiver having a dynamic bandwidth filter and method therefor |
Dec. 2, 2003 |
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