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Class Information
Number: 367/93
Name: Communications, electrical: acoustic wave systems and devices > Echo systems > Presence or movement only detection
Description: Subject matter which determines that a stationary or moving object is within a given area but does not determine the object"s specific distance or direction from the detecting station.










Sub-classes under this class:

Class Number Class Name Patents
367/94 By doppler effect 131


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8674824 Sonar sensor array and method of operating same Mar. 18, 2014
8659975 Vibration generation and detection in shear wave dispersion ultrasound vibrometry with large background motions Feb. 25, 2014
8581725 Position change sensing anti-theft device Nov. 12, 2013
8564425 Blind spot monitoring system Oct. 22, 2013
8538669 Ground based system and methods for identifying incursions along the flight path of an in-flight aircraft Sep. 17, 2013
8531915 Acoustic and ultrasonic concealed object detection Sep. 10, 2013
8528408 Passage detection apparatus of object Sep. 10, 2013
8503265 Obstacle detection apparatus and method for detecting obstacle Aug. 6, 2013
8488412 Underwater detection device Jul. 16, 2013
8456318 Occupancy sensor assembly Jun. 4, 2013
8305842 Location system for asset or personnel tracking using multi-frequency ultrasonic transducers and goertzel filters Nov. 6, 2012
8266966 Ultrasonic exploration method and ultrasonic exploration apparatus Sep. 18, 2012
8217766 Vehicle presence notification apparatus Jul. 10, 2012
8212656 Vehicle presence notification apparatus Jul. 3, 2012
8125321 Obstacle detecting device Feb. 28, 2012
8100013 Passage detection apparatus of object Jan. 24, 2012
8073634 Method to extract target signals of a known type from raw data containing an unknown number of target signals, interference, and noise Dec. 6, 2011
8059487 Underwater detection device Nov. 15, 2011
8054203 Apparatus and method for determining presence of objects in a vehicle Nov. 8, 2011
7894303 Detection device, detection program and detection method Feb. 22, 2011
7868812 Surveillance and warning system Jan. 11, 2011
7855674 Method and radar system for coherent detection of moving objects Dec. 21, 2010
7839291 Water safety monitor systems and methods Nov. 23, 2010
7821870 Method and system for identifying moving objects using acoustic signals Oct. 26, 2010
7817496 Sensor for detecting moving object with the aid of a ultrabandwidth sounding signal Oct. 19, 2010
7800490 Electronic article surveillance system neural network minimizing false alarms and failures to deactivate Sep. 21, 2010
RE41629 Ultrasonic transceiver and remote controlled devices for pets Sep. 7, 2010
7792314 System and method for acquiring acoustic signals using doppler techniques Sep. 7, 2010
7791475 Apparatus and method of blockage detection Sep. 7, 2010
7791529 System for estimating the speed of an aircraft, and an application thereof to detecting obstacles Sep. 7, 2010
7777624 Direction of travel motion sensor Aug. 17, 2010
7764782 Method and apparatus for routing telecommunication calls Jul. 27, 2010
7707887 Passage detection apparatus of object May. 4, 2010
7679562 Target detection apparatus and system Mar. 16, 2010
7663974 Fishfinder Feb. 16, 2010
7626888 Ultrasound sensor Dec. 1, 2009
7551062 Directional acoustic device Jun. 23, 2009
7535351 Acoustic intrusion detection system May. 19, 2009
7480208 Occupancy sensor assembly Jan. 20, 2009
7360417 Fluid level detector Apr. 22, 2008
7236088 Device for detecting obstacle located backward of automobile Jun. 26, 2007
7233544 Harbor fence Jun. 19, 2007
7180442 Target indentification method using cepstral coefficients Feb. 20, 2007
7138938 System and method for preemptively sensing an object and selectively operating both a collision countermeasure system and a parking assistance system aboard an automotive vehicle Nov. 21, 2006
7091902 Systems and methods for characterizing the coverage of ad hoc sensor networks Aug. 15, 2006
7057497 Security device Jun. 6, 2006
7049960 Method and system for locating objects May. 23, 2006
7030806 Time domain radio transmission system Apr. 18, 2006
7030741 Vehicle-mounted intrusion detection apparatus Apr. 18, 2006
7027355 Ultrasonic displacement sensor using digital signal processing detection Apr. 11, 2006

1 2 3 4 5 6










 
 
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