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Class Information
Number: 342/27
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Presence detection only
Description: Subject matter wherein a radar system senses the existence of a target without quantifying any of its characteristics.










Sub-classes under this class:

Class Number Class Name Patents
342/28 By motion detection 359


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8711028 Buried object detection in GPR images Apr. 29, 2014
8704702 Method for estimating an object motion characteristic from a radar signal, a computer system and a computer program product Apr. 22, 2014
8704704 Motor vehicle radar system, and method for determining speeds and distances of objects Apr. 22, 2014
8686891 Locating device Apr. 1, 2014
8681038 Radar data processing Mar. 25, 2014
8681039 Devices, methods, and systems for occupancy detection Mar. 25, 2014
8681036 Distributed road assessment system Mar. 25, 2014
8681035 System and method for security inspection using microwave imaging Mar. 25, 2014
8674871 Method and system for aiding environmental characterization by ultra-wideband radiofrequency signals Mar. 18, 2014
8674875 Scanners Mar. 18, 2014
8666656 Object detection device and navigation device Mar. 4, 2014
8665117 Method and apparatus for supporting a parking process of a vehicle Mar. 4, 2014
8624605 Apparatus and method to distinguish nominally identical objects through wave fingerprints apparatus and method to distinguish nominally identical objects through wave fingerprints Jan. 7, 2014
8618976 Radar signal pre-processing to suppress surface bounce and multipath Dec. 31, 2013
8604968 Integrated radar-camera sensor Dec. 10, 2013
8604971 Scanning near field electromagnetic probe Dec. 10, 2013
8593331 RF ranging-assisted local motion sensing Nov. 26, 2013
8593279 System for detecting persons in a defined space Nov. 26, 2013
8587474 Resolution radar using metamaterials Nov. 19, 2013
8581773 Dual frequency transmitter Nov. 12, 2013
8576664 Moving object detection system Nov. 5, 2013
8576112 Broadband multifunction airborne radar device with a wide angular coverage for detection and tracking, notably for a sense-and-avoid function Nov. 5, 2013
8576110 Fast ray trace to identify radar multipaths Nov. 5, 2013
8558730 Method and device for detecting precipitation by radar Oct. 15, 2013
8558731 System for and method of sequential lobing using less than full aperture antenna techniques Oct. 15, 2013
8558733 Radar apparatus and computer program Oct. 15, 2013
8552902 Methods and apparatus for suppression of low-frequency noise and drift in wireless sensors or receivers Oct. 8, 2013
8547274 Inclusion of assessment data in millimeter wave concealed object detection systems Oct. 1, 2013
8542109 Foliage penetrating sensor array for intrusion detection Sep. 24, 2013
8538669 Ground based system and methods for identifying incursions along the flight path of an in-flight aircraft Sep. 17, 2013
8525725 Method and system for position and track determination Sep. 3, 2013
8519826 Tag having a semiconductor chip and method of attachment to article Aug. 27, 2013
8519883 Adjusting the sensitivity of a PIR sensor or a doppler radar sensor disposed within a light fixture Aug. 27, 2013
8508402 System and method for detecting, locating and identifying objects located above the ground and below the ground in a pre-referenced area of interest Aug. 13, 2013
8502730 Method for detecting a bird or a flying object Aug. 6, 2013
8502728 Method and system for tracking objects using radio tomographic imaging Aug. 6, 2013
8497477 Method and apparatus for efficient removal of gain fluctuation effects in passive thermal images Jul. 30, 2013
8497797 Two-dimensional array antenna and device for detecting internal object using the same Jul. 30, 2013
8489117 Real-time location estimation of a mobile station in a wireless communication system Jul. 16, 2013
8477063 System and method for obstacle detection and warning Jul. 2, 2013
8461989 Smart container UWB sensor system for situational awareness of intrusion alarms Jun. 11, 2013
8446311 Array of UHF radar bases for protecting sensitive zones against intrusions May. 21, 2013
8441390 Event detecting apparatus May. 14, 2013
8414158 Illumination device including doppler sensor Apr. 9, 2013
8416118 Chaff cloud detection and centroid estimation Apr. 9, 2013
8410973 Activating motion detectors Apr. 2, 2013
8410976 Frequency-modulated interrupted continuous wave radar using pulses derived from a frequency-modulated signal in which the rate of frequency change increases at the boundary of a pulse repetiti Apr. 2, 2013
8400350 Radar device and azimuth angle detection method Mar. 19, 2013
8400348 Airborne biota monitoring and control system Mar. 19, 2013
8400346 Method and apparatus for locating a golf ball with doppler radar Mar. 19, 2013

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