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Class Information
Number: 367/909
Name: Communications, electrical: acoustic wave systems and devices > Collision avoidance
Description: Acoustic wave echo systems or distance or direction finding systems for providing advance warning or impending impact of relatively moving objects.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7606115 Acoustic airspace collision detection system Oct. 20, 2009
7602671 Oil heating tank meter for monitoring a plurality of variables Oct. 13, 2009
7540194 Ultrasonic sensor having transmission device and reception device of ultrasonic wave Jun. 2, 2009
7522472 Obstacle detection system Apr. 21, 2009
7497121 Ultrasonic sensor Mar. 3, 2009
7499375 Method for detecting an obstacle in the detection area of a detection device Mar. 3, 2009
7420876 Obstacle sensor having supersonic sensor Sep. 2, 2008
7324407 Prevention of reporting unwanted signals by the filtering of sensor data Jan. 29, 2008
7151714 Apparatus for measuring the instantaneous distance between the stern of a vessel and a fixed structure such as quay, a jetty or a landing stage Dec. 19, 2006
7130244 Device and method for adaptive ultrasound sensing Oct. 31, 2006
7110324 Universal replaceable back radar Sep. 19, 2006
7062381 Method and system for determining relative position of mobile vehicles Jun. 13, 2006
7015812 Sound protecting headset with proximity collision avoidance protection Mar. 21, 2006
6897768 Obstacle detecting apparatus and related communication apparatus May. 24, 2005
6865138 Back-up detecting device with a distance reset capability Mar. 8, 2005
6831572 Rear collision warning system Dec. 14, 2004
6810330 Apparatus for and method of detecting object on road Oct. 26, 2004
6785611 Driver alert for vehicle with adaptive cruise control system Aug. 31, 2004
6753765 Rear direction monitoring apparatus for vehicle Jun. 22, 2004
6750815 Method, apparatus, and computer program products for alerting surface vessels to hazardous conditions Jun. 15, 2004
6734808 Method, apparatus and computer program products for alerting submersible vessels to hazardous conditions May. 11, 2004
6727808 Sonic blind spot monitoring system Apr. 27, 2004
6703944 Technique for effectively maintaining a safe distance between a vehicle and an object Mar. 9, 2004
6690616 Method and device for detecting objects, especially used as a parking assistance device in a motor vehicle Feb. 10, 2004
6559761 Display system for vehicle environment awareness May. 6, 2003
6505873 System for preventing damage to recreational vehicle slide-outs Jan. 14, 2003
6469664 Method, apparatus, and computer program products for alerting surface vessels to hazardous conditions Oct. 22, 2002
6469956 Ultrasonic distance detection for visually impaired pedestrians Oct. 22, 2002
6337637 Collision with pedestrian prevention system Jan. 8, 2002
6326886 Ultrasound distance measuring system with digital measuring signals transmitted by time multiplexing Dec. 4, 2001
6300865 Process for detecting the road conditions ahead for motor vehicles Oct. 9, 2001
6281786 Obstacle detection system for a vehicle Aug. 28, 2001
6268804 Dynamic monitoring of vehicle separation Jul. 31, 2001
6203120 Braking control system for vehicle Mar. 20, 2001
6169479 Vehicular deformation sensor system Jan. 2, 2001
6154123 Driver alertness monitoring system Nov. 28, 2000
6114973 Method and apparatus for recognizing whether traffic drives on the right or on the left Sep. 5, 2000
6085592 Ultrasonic sensor and obstruction detector having accurate obstruction detection capabilities Jul. 11, 2000
6067031 Dynamic monitoring of vehicle separation May. 23, 2000
6061001 Object detecting apparatus May. 9, 2000
5955967 Scan-type radar apparatus for a vehicle to accurately detect an object in a lane of the radar equipped vehicle Sep. 21, 1999
5940012 Collision avoidance system and method for operating the same Aug. 17, 1999
5914652 Object sensing device for a vehicle Jun. 22, 1999
5910929 Audio railway crossing detector Jun. 8, 1999
5907293 System for displaying the characteristics, position, velocity and acceleration of nearby vehicles on a moving-map May. 25, 1999
5889476 Method of reducing the speed of a vehicle having a collision avoidance system Mar. 30, 1999
5872507 Process for non-contact distance measurement Feb. 16, 1999
5864285 Method and apparatus for controlling the approach of a vehicle to an obstacle Jan. 26, 1999
5852410 Laser optical path degradation detecting device Dec. 22, 1998
5844471 Heated vehicle exterior object sensor Dec. 1, 1998

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