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Class Information
Number: 367/907
Name: Communications, electrical: acoustic wave systems and devices > Coordinate determination
Description: Acoustic wave echo systems or distance or direction finding systems in which the receiving system produces at least a pair of numbers which define the location of the source (e.g., numbers representing ordinate and abscissa or range and bearing).










Patents under this class:
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Patent Number Title Of Patent Date Issued
8511145 Explosive event discrimination Aug. 20, 2013
8427905 Optimum pseudo random sequence determining method, position detection system, position detection method, transmission device and reception device Apr. 23, 2013
7904272 System and method for calculating coordinate values of a measuring machine Mar. 8, 2011
7668046 Apparatus and method for determining the position of an object in 3-dimensional space Feb. 23, 2010
7411581 Touch pad Aug. 12, 2008
7408838 Digitizing planimeter Aug. 5, 2008
7181356 Device and method for analyzing the structure of a material Feb. 20, 2007
7161873 Method of detecting and locating a source of partial discharge in an electrical apparatus Jan. 9, 2007
7062381 Method and system for determining relative position of mobile vehicles Jun. 13, 2006
6831875 Apparatus for ultrasonically detecting position of web edge and method of doing the same Dec. 14, 2004
6807127 Navigational device for an underwater diver Oct. 19, 2004
6703570 Digital pen using ultrasonic tracking Mar. 9, 2004
6690618 Method and apparatus for approximating a source position of a sound-causing event for determining an input used in operating an electronic device Feb. 10, 2004
6670906 Method for determining accurately coordinates of a GPR antenna relative to a fixed reference Dec. 30, 2003
6614721 Collision avoidance method and system Sep. 2, 2003
6501704 Underwater object positioning system Dec. 31, 2002
6456567 Remote attitude and position indicating system Sep. 24, 2002
6141293 Ultrasonic positioning and tracking system Oct. 31, 2000
6108271 Remote control device for controlling electronic devices Aug. 22, 2000
6041284 Apparatus and method for determining coordinates of a designated point Mar. 21, 2000
5973998 Automatic real-time gunshot locator and display system Oct. 26, 1999
5867146 Three dimensional wireless pointing device Feb. 2, 1999
5771206 Elastic wave device for sensing a touch-position Jun. 23, 1998
5761087 Coordinate input device and a control method therefor Jun. 2, 1998
5714947 Vehicle collision avoidance system Feb. 3, 1998
5691959 Stylus position digitizer using acoustic waves Nov. 25, 1997
5648643 Acoustic wave touch panel with inlayed, etched arrays and method of making the panel Jul. 15, 1997
5637839 Ultrasonic coordinate input apparatus Jun. 10, 1997
5627800 Method and apparatus for determining position of a moving object in a tank May. 6, 1997
5612905 Three-dimensional measurement of large objects Mar. 18, 1997
5610838 Coordinate input device for calculating a coordinate of an input position of an applied vibration Mar. 11, 1997
5591945 Acoustic touch position sensor using higher order horizontally polarized shear wave propagation Jan. 7, 1997
5541892 Piezoelectric sensor and coordinate input apparatus employing the same Jul. 30, 1996
5537511 Neural network based data fusion system for source localization Jul. 16, 1996
5528557 Acoustic emission source location by reverse ray tracing Jun. 18, 1996
5451723 Acoustic wave touch panel for use with a non-active stylus Sep. 19, 1995
5412619 Three-dimensional displacement of a body with computer interface May. 2, 1995
5379269 Position determining apparatus Jan. 3, 1995
5352856 Method and apparatus for inputting coordinates Oct. 4, 1994
5334805 Controller for an acoustic wave touch panel Aug. 2, 1994
5329070 Touch panel for an acoustic touch position sensor Jul. 12, 1994
5285397 Coordinate-measuring machine for non-contact measurement of objects Feb. 8, 1994
5280457 Position detecting system and method Jan. 18, 1994
5260521 Acoustic touch position sensor using shear wave propagation Nov. 9, 1993
5253187 Coordinate input apparatus Oct. 12, 1993
5247487 Spatial measurement recovery system Sep. 21, 1993
5239138 Coordinate input apparatus Aug. 24, 1993
5239139 Ultrasonic digitizer pen having integrated ultrasonic transmitter and receiver Aug. 24, 1993
5229975 Vehicle proximity sensor Jul. 20, 1993
5216817 Digitizer measuring system Jun. 8, 1993

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