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Browse by Category: Main > Communications
Class Information
Number: 367/96
Name: Communications, electrical: acoustic wave systems and devices > Echo systems > Returned signal used for control > External device
Description: Subject matter in which the device is not an integral part of the acoustic wave transmitting or receiving apparatus.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8693285 Sound generation system, ultrasonic wave emitting device, and ultrasonic wave emitting method Apr. 8, 2014
8686326 Optical-flow techniques for improved terminal homing and control Apr. 1, 2014
8531916 Channel impulse response estimation Sep. 10, 2013
8451689 Ultrasonic apparatus with an adjustable horn May. 28, 2013
8451690 Method of controlling a lighting system with an ultrasonic transceiver May. 28, 2013
8406082 Determining enclosure breach ultrasonically Mar. 26, 2013
8385153 Light control system with multiple ultrasonic receivers Feb. 26, 2013
8351296 Ultrasonic lamp and control method thereof Jan. 8, 2013
8332181 System and method for alignment using a portable inertial device Dec. 11, 2012
8331193 Light control system Dec. 11, 2012
8305843 Channel impulse response estimation Nov. 6, 2012
8289810 Winding state evaluation method for tape film and winding method for tape film Oct. 16, 2012
8223589 Gesture recognition apparatus and method Jul. 17, 2012
8154953 Remote controlled fish locating system Apr. 10, 2012
8018793 Edge detecting apparatus and automatic device with same Sep. 13, 2011
7715275 Start assist system for motor vehicles May. 11, 2010
7715276 Presence detection system for path crossing May. 11, 2010
7583561 Feed detecting system Sep. 1, 2009
7540532 Apparatus for triggering restraint means Jun. 2, 2009
7489592 Patch test for 3D sonar data Feb. 10, 2009
7468933 Collision detection device Dec. 23, 2008
7379389 Apparatus for monitoring surroundings of vehicle and sensor unit May. 27, 2008
7372770 Ultrasonic Doppler sensor for speech-based user interface May. 13, 2008
7280433 Device and method for sonar measurement of a swimming pool Oct. 9, 2007
7262573 Medical tele-robotic system with a head worn device Aug. 28, 2007
6935164 Refiner control Aug. 30, 2005
6909668 Ultrasonic displacement sensor using envelope detection Jun. 21, 2005
6894950 Underwater vehicle thermal boundary detection system May. 17, 2005
6870791 Acoustic portal detection system Mar. 22, 2005
6859417 Range finding audio system Feb. 22, 2005
6690622 Portable remote-controlled fish locating system Feb. 10, 2004
6618323 Optical axis adjusting device for vehicle headlamp Sep. 9, 2003
6553296 Vehicular occupant detection arrangements Apr. 22, 2003
6459655 Apparatus and method using controlled emission for sensing an occupant located beyond a predetermined distance Oct. 1, 2002
6459656 Information generating apparatus using elastic waves Oct. 1, 2002
6456567 Remote attitude and position indicating system Sep. 24, 2002
6452870 Methods for controlling deployment of an occupant restraint in a vehicle and determining whether the occupant is a child seat Sep. 17, 2002
6292432 Information generating apparatus using elastic waves Sep. 18, 2001
RE37260 Method for identifying the presence and orientation of an object in a vehicle Jul. 3, 2001
6070832 Ultrasonic angular measurement system Jun. 6, 2000
6055042 Method and apparatus for detecting obstacles using multiple sensors for range selective detection Apr. 25, 2000
6031790 Information generator using elastic wave Feb. 29, 2000
5943295 Method for identifying the presence and orientation of an object in a vehicle Aug. 24, 1999
5910929 Audio railway crossing detector Jun. 8, 1999
5872743 Method and apparatus for locating the user of a computer system Feb. 16, 1999
5872507 Process for non-contact distance measurement Feb. 16, 1999
5761154 Acoustic exploder Jun. 2, 1998
5687136 User-driven active guidance system Nov. 11, 1997
5668777 Torpedo signal processor Sep. 16, 1997
5666325 Method and apparatus for monitoring and controlling the dispensing of materials onto a substrate Sep. 9, 1997

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