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Class Information
Number: 367/117
Name: Communications, electrical: acoustic wave systems and devices > Plural transmitters to receiver or transmitter to plural receivers
Description: Subject matter comprising systems in which two or more acoustic wave transmitters send acoustic signals to an acoustic wave receiver-transducer, or in which an acoustic wave transmitter sends acoustic signals to two or more acoustic wave receiver-transducers.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8692706 Sensor device for measuring the compression travel and/or the compression rate of wheels and/or axles of vehicles Apr. 8, 2014
8654610 Underwater acoustic navigation systems and methods Feb. 18, 2014
8575938 Electrical power system for towed electromagnetic survey streamers Nov. 5, 2013
8538669 Ground based system and methods for identifying incursions along the flight path of an in-flight aircraft Sep. 17, 2013
8504289 Method and apparatus for controlling data communication units in navigation receiver Aug. 6, 2013
8345509 System and method to create three-dimensional images of non-linear acoustic properties in a region remote from a borehole Jan. 1, 2013
8311759 Inline inspection system and method for calibration of mounted acoustic monitoring system Nov. 13, 2012
8270253 Method and system for ultrasonic measurement and alignment Sep. 18, 2012
8098544 Method and system for enhancing accuracy in ultrasonic alignment Jan. 17, 2012
8089393 Relating target tracking Jan. 3, 2012
8072839 Hand-held acoustic camera Dec. 6, 2011
8049606 Method for assigning identification codes in radio signals from tire pressure monitoring devices on vehicle wheels to the wheel position and vehicle equipped for this method Nov. 1, 2011
7894989 Method for determining earth vertical electrical anisotropy in marine electromagnetic surveys Feb. 22, 2011
7868812 Surveillance and warning system Jan. 11, 2011
7817496 Sensor for detecting moving object with the aid of a ultrabandwidth sounding signal Oct. 19, 2010
7745522 Acoustic waveguide plate with nonsolid cores Jun. 29, 2010
7686765 Pulse detecting device and ultrasound diagnostic apparatus Mar. 30, 2010
7679562 Target detection apparatus and system Mar. 16, 2010
7664951 Transmitting apparatus for providing information by effective use of bands Feb. 16, 2010
7664600 Obstacle detection device Feb. 16, 2010
7518543 Method for determining positions of targets by bistatic measurements using signals scattered by the targets Apr. 14, 2009
7395181 Motion tracking system Jul. 1, 2008
7327845 Transmission of encrypted messages between a transmitter and a receiver utilizing a one-time cryptographic pad Feb. 5, 2008
7130243 Location finding system, using reflected radio frequency or acoustic signals in a crowded reflector environment Oct. 31, 2006
7098579 Transmitting apparatus, sound sensor and autonomous traveling vehicle Aug. 29, 2006
7079025 Reconfigurable geolocation system Jul. 18, 2006
6984561 Method for making high density nonvolatile memory Jan. 10, 2006
6944095 Terrestrial seismic acquisition process and apparatus, in particular for a vertical seismic acquisition Sep. 13, 2005
6883638 Accelerometer transducer used for seismic recording Apr. 26, 2005
6868045 Voice control system with a microphone array Mar. 15, 2005
6850186 System for determining position and velocity of targets from signals scattered by the targets Feb. 1, 2005
6718278 Location system Apr. 6, 2004
6680688 Measuring system and method for detecting object distance by transmitted media with different wave velocities Jan. 20, 2004
6630890 Methods, systems and tools for borehole logging Oct. 7, 2003
6540677 Ultrasound transceiver system for remote operation through a minimal number of connecting wires Apr. 1, 2003
6474439 Dipole logging tool Nov. 5, 2002
6433689 System for supervision and control of objects or persons Aug. 13, 2002
6188962 Continuous data seismic system Feb. 13, 2001
6161076 Seismic data acquisition and processing using non-linear distortion in a vibratory output signal Dec. 12, 2000
6130641 Imaging methods and apparatus using model-based array signal processing Oct. 10, 2000
5987983 Method and apparatus for measuring acceleration Nov. 23, 1999
5977958 Method and system for digitizing handwriting Nov. 2, 1999
5978316 Marine seismic source Nov. 2, 1999
5696489 Wireless boundary monitor system and method Dec. 9, 1997
5598206 Beamformed television Jan. 28, 1997
5511008 Process and apparatus for extracting a useful signal having a finite spatial extension at all times and which is variable with time Apr. 23, 1996
5504477 Tracking system Apr. 2, 1996
5495427 High speed high resolution ultrasonic position and orientation tracker using a single ultrasonic frequency Feb. 27, 1996
5475707 Broadband communications system Dec. 12, 1995
5355312 Inverse tomography by matched field processing Oct. 11, 1994

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