Class 342/203 - With noise reduction

Subclass of Class 342 - Communications: directive radio wave systems and devices (e.g., radar, radio navigation)
Definition: Subject matter including circuitry to distinguish between
No. of applications: 4
Last issue date: 02/04/2010

Application No.	Application Title	Issue Date
20100026564	HETERODYNE TRANSCEIVER SYSTEMS AND METHODS One embodiment relates to a transceiver. The transceiver includes first and second phase-locked loops. The first phase-locked loop is adapted to receive a reference signal and output a transmission signal based on the reference signal. The second phase-locked loop is ad...	02/04/2010
20090278731	RFI SUPPRESSION IN SAR A filter scheme for broadcast interference cancellation that is computationally efficient and numerically robust Airborne Low Frequency Synthetic Aperture Radar (SAR) operating in the VHF and UHF bands has been shown. At least interference Doppler filtering or interfere...	11/12/2009
20080074311	System and Method for Coherent Frequency Switching in DDS Architectures The present invention is directed to an integrated circuit device that includes a primary signal synthesizer configured to generate a free-running first digital frequency signal and at least one secondary signal synthesizer disposed in parallel with the primary signal s...	03/27/2008
20050242985	System and method for concurrent operation of multiple radar or active sonar systems on a common frequency A system and corresponding method for the concurrent operation of multiple radar systems on a common frequency and in the same geographical area includes a waveform generator that specifies certain operating parameters for the transmitted radar pulses. In a first instan...	11/03/2005

PatentStorm