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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 |
| 7620379 |
Radio frequency tuner |
Nov. 17, 2009 |
| 7610029 |
Method for active Gm-C filter gain control |
Oct. 27, 2009 |
| 7610034 |
Method and apparatus for selection of design parameters for double conversion tuner to prevent radiated immunity degradation |
Oct. 27, 2009 |
| 7590396 |
Multimode communication device with shared signal path programmable filter |
Sep. 15, 2009 |
| 7587183 |
Multi-frequency antenna assemblies with DC switching |
Sep. 8, 2009 |
| 7583950 |
High linearity tunable bandpass filter |
Sep. 1, 2009 |
| 7583944 |
Demodulation and regulation concept for IR receivers |
Sep. 1, 2009 |
| 7583936 |
Circuit with reduced insertion loss and component comprising one such circuit |
Sep. 1, 2009 |
| 7579931 |
Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same |
Aug. 25, 2009 |
| 7577413 |
Method and apparatus for calibrating a filter of a receiver |
Aug. 18, 2009 |
| 7570937 |
Comfort noise generator |
Aug. 4, 2009 |
| 7555278 |
Unconditionally stable filter |
Jun. 30, 2009 |
| 7545889 |
Blocker performance in a radio receiver |
Jun. 9, 2009 |
| 7539470 |
Tracking filter for selecting channel of wideband frequency |
May. 26, 2009 |
| 7522896 |
Filter control method, signal processing circuit and integrated circuit for wireless receiver |
Apr. 21, 2009 |
| 7519344 |
Bandpass amplifier, method, and system |
Apr. 14, 2009 |
| 7512392 |
System for adaptively filtering a received signal in a wireless receiver |
Mar. 31, 2009 |
| 7499694 |
Tuner alignment |
Mar. 3, 2009 |
| 7486338 |
Fully integrated terrestrial TV tuner architecture |
Feb. 3, 2009 |
| 7443269 |
Method and apparatus for selectively blocking radio frequency (RF) signals in a radio frequency (RF) switching circuit |
Oct. 28, 2008 |
| 7437139 |
Method and apparatus for calibrating filtering of a transceiver |
Oct. 14, 2008 |
| 7433668 |
Controlling Q-factor of filters |
Oct. 7, 2008 |
| 7428262 |
Channel estimation in a rake receiver of a CDMA communication system |
Sep. 23, 2008 |
| 7415264 |
Low noise filter for a wireless receiver |
Aug. 19, 2008 |
| 7409200 |
Module integration integrated circuits |
Aug. 5, 2008 |
| 7406304 |
Electronic component with integrated tuning device, allowing the decoding of digital terrestrial or cable television signals |
Jul. 29, 2008 |
| 7398065 |
Programmable sampling band pass filter |
Jul. 8, 2008 |
| 7395044 |
Signal processing apparatus and method of differential transformer |
Jul. 1, 2008 |
| 7376440 |
N-plexer systems and methods for use in a wireless communications device |
May. 20, 2008 |
| 7366486 |
System and method for coarse/fine PLL adjustment |
Apr. 29, 2008 |
| 7358862 |
Radiosonde system, radiosonde system receiver and signal processing method in a radiosonde receiver |
Apr. 15, 2008 |
| 7352911 |
Method for bilateral filtering of digital images |
Apr. 1, 2008 |
| 7346327 |
Wireless receiving circuit and wireless portable device |
Mar. 18, 2008 |
| 7343142 |
Tuner |
Mar. 11, 2008 |
| 7340237 |
Dual-band active filter |
Mar. 4, 2008 |
| 7333793 |
Method for performing packet switched handover in a mobile communication system |
Feb. 19, 2008 |
| 7327996 |
High sensitivity radio receiver |
Feb. 5, 2008 |
| 7321754 |
Radio-frequency signal frequency conversion device for a low power RF receiver |
Jan. 22, 2008 |
| 7319852 |
Apparatus and method for DC offset compensation in a direct conversion receiver |
Jan. 15, 2008 |
| 7315731 |
Method of measuring and calibrating frequency down converter |
Jan. 1, 2008 |
| 7308241 |
Receiver system |
Dec. 11, 2007 |
| 7292834 |
Switchable high frequency bandpass filter |
Nov. 6, 2007 |
| 7289784 |
Active tunable filter circuit |
Oct. 30, 2007 |
| 7286811 |
Local oscillator apparatus and method |
Oct. 23, 2007 |
| 7283840 |
Reconfigurable analog baseband for a single-chip dual-mode transceiver |
Oct. 16, 2007 |
| 7269424 |
Mobile terminal implementing a ranging signal receiver and method |
Sep. 11, 2007 |
| 7269156 |
High-frequency circuit device |
Sep. 11, 2007 |
| 7266351 |
Transconductance / C complex band-pass filter |
Sep. 4, 2007 |
| 7260375 |
Frequency agile RF circuit |
Aug. 21, 2007 |
| 7245892 |
Satellite reception |
Jul. 17, 2007 |
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