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Class Information
Number: 342/200
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > With particular circuit > For frequency modulation
Description: Subject matter wherein the frequency or phase of the transmitted radar signal is variably controlled as a function of time or other factor.

Sub-classes under this class:

Class Number Class Name Patents
342/201 Combined with pulse modulation 214

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8686898 System employing a direct digital synthesiser Apr. 1, 2014
8514982 Systems and methods for digitizing multiple channels in a receiver Aug. 20, 2013
8391336 Variable length ranging and direction-finding signals constructed from bandlimited kernels and sparse spreading sequences Mar. 5, 2013
8390506 Motor vehicle FMCW radar having linear frequency ramps of different slopes that are set apart, which are associated with different angular ranges Mar. 5, 2013
8284099 FMCW signal generation circuit and radar apparatus Oct. 9, 2012
8237604 Virtual beam forming in ultra wideband systems Aug. 7, 2012
8232914 Radar apparatus Jul. 31, 2012
8212710 Radar image generation system Jul. 3, 2012
8188911 Low noise generator for frequency swept signals May. 29, 2012
8164511 Signal processing device, radar device, vehicle control device, and signal processing method Apr. 24, 2012
7994969 OFDM frequency scanning radar Aug. 9, 2011
7994966 Device for generation of microwaves Aug. 9, 2011
7990313 Radar arrangement Aug. 2, 2011
7952516 System and method for coherent frequency switching in DDS architectures May. 31, 2011
7907084 Radar device and control method of radar device Mar. 15, 2011
7834804 Radar apparatus Nov. 16, 2010
7786927 Radar, radio frequency sensor, and radar detection method Aug. 31, 2010
7737885 Ramp linearization for FMCW radar using digital down-conversion of a sampled VCO signal Jun. 15, 2010
7701386 Universal frequency generation and scaling Apr. 20, 2010
7679549 Waveform generation method, radar device, and oscillator for radar device Mar. 16, 2010
7609199 Radar apparatus Oct. 27, 2009
7602331 Computationally efficient adaptive radar pulse compression system Oct. 13, 2009
7561098 System and method for estimating airborne radar antenna pointing errors Jul. 14, 2009
7551988 Method of software defined radio (SDR) waveform/function management Jun. 23, 2009
7548195 Waveform generation method, radar device, and oscillator for radar device Jun. 16, 2009
7535408 Apparatus and methods for detection of multiple targets within radar resolution cell May. 19, 2009
7482971 Time-of-flight-ranging system and method for calibrating such a system Jan. 27, 2009
7460055 Radar apparatus Dec. 2, 2008
7355484 Oscillator and radar apparatus using the same Apr. 8, 2008
7345803 Optical modulator and optical modulating method Mar. 18, 2008
7345619 Generating event signals in a radar system Mar. 18, 2008
7283087 Radar having a transmission oscillator which can be excited quasi-phase coherently by an evaluation oscillator Oct. 16, 2007
7265712 Method and apparatus for processing high time-bandwidth signals using a material with inhomogeneously broadened absorption spectrum Sep. 4, 2007
7239266 Radar altimeter Jul. 3, 2007
7221309 FM-CW radar system May. 22, 2007
7049999 Modulation circuit for a vehicular traffic surveillance Doppler radar system May. 23, 2006
7002512 FM-CW radar system which discriminates between signals related to a target object and signals not related to a target object Feb. 21, 2006
6989782 Ultra-wideband radar system using sub-band coded pulses Jan. 24, 2006
6965341 High resolution SAR processing using stepped-frequency chirp waveform Nov. 15, 2005
6933880 Programmable source of pulse trains on intermediate frequency and IFF emitting assembly using it Aug. 23, 2005
6859167 Method for increasing the unambiguous distance in FSK radars Feb. 22, 2005
6744402 High-frequency diode oscillator and millimeter-wave transmitting/receiving apparatus Jun. 1, 2004
6707419 Radar transmitter circuitry and techniques Mar. 16, 2004
6697011 Doppler radar device Feb. 24, 2004
6577270 Radar transceiver Jun. 10, 2003
6366236 Neural network radar processor Apr. 2, 2002
6317074 High range resolution radar through non-uniform sampling Nov. 13, 2001
6317075 FMCW sensor Nov. 13, 2001
6255984 Sensor system Jul. 3, 2001
6195036 Pulse radio-localization system Feb. 27, 2001

1 2 3

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