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Class Information
Number: 367/119
Name: Communications, electrical: acoustic wave systems and devices > Distance or direction finding > With beam steering, scanning, or focussing
Description: Subject matter in which directional characteristics of the receiver are controlled so that the directions of optimal reception are varied or concentrated.

Sub-classes under this class:

Class Number Class Name Patents
367/121 By electrical means 36
367/120 By transducer movement 42

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8702610 Pulse offset ultrasonic imaging Apr. 22, 2014
8638640 Acoustic transducers for underwater navigation and communication Jan. 28, 2014
8577054 Signal processing apparatus, signal processing method, and program Nov. 5, 2013
8555721 Sound measuring device Oct. 15, 2013
8555722 Method and apparatus for underground line crossing detection Oct. 15, 2013
8525690 Synchronized telemetry from a rotating element Sep. 3, 2013
8515094 Distributed signal processing systems and methods Aug. 20, 2013
8494815 Method of designing a sound waveguide surface Jul. 23, 2013
8379875 Method for efficient beamforming using a complementary noise separation filter Feb. 19, 2013
8345510 Method for aquiring and processing marine seismic data to extract and constructively use the up-going and down-going wave-fields emitted by the source(s) Jan. 1, 2013
8233352 Audio source localization system and method Jul. 31, 2012
8170234 Deconvolution methods and systems for the mapping of acoustic sources from phased microphone arrays May. 1, 2012
8125850 Method for identifying gas leaks using a stationary seabed placed steered beamformed acoustic antenna with active narrow beam transmitter interrogation capability Feb. 28, 2012
8098842 Enhanced beamforming for arrays of directional microphones Jan. 17, 2012
8009841 Handsfree communication system Aug. 30, 2011
8005237 Sensor array beamformer post-processor Aug. 23, 2011
8005238 Robust adaptive beamforming with enhanced noise suppression Aug. 23, 2011
7995773 Methods for processing audio input received at an input device Aug. 9, 2011
7972268 Steered continuous wave doppler methods for two-dimensional ultrasound transducer arrays Jul. 5, 2011
7957542 Adaptive beamformer, sidelobe canceller, handsfree speech communication device Jun. 7, 2011
7924654 System for beamforming acoustic buoy fields Apr. 12, 2011
7839721 Modal beam processing of acoustic vector sensor data Nov. 23, 2010
7826623 Handsfree system for use in a vehicle Nov. 2, 2010
7817804 Acoustic measuring system for locating noise sources Oct. 19, 2010
7792313 High precision beamsteerer based on fixed beamforming approach beampatterns Sep. 7, 2010
7787638 Method for reproducing natural or modified spatial impression in multichannel listening Aug. 31, 2010
7783060 Deconvolution methods and systems for the mapping of acoustic sources from phased microphone arrays Aug. 24, 2010
7773458 Systems and methods for detection and analysis of amplitude modulation of underwater sound Aug. 10, 2010
7656749 Systems and methods for analyzing acoustic waves Feb. 2, 2010
7643641 System for communication enhancement in a noisy environment Jan. 5, 2010
7637871 Steered continuous wave doppler methods and systems for two-dimensional ultrasound transducer arrays Dec. 29, 2009
7613310 Audio input system Nov. 3, 2009
7606114 Systems and methods implementing frequency-steered acoustic arrays for 2D and 3D imaging Oct. 20, 2009
7599253 Hybrid pressure and vector sensor towed array Oct. 6, 2009
7494469 Connection apparatus and method for controlling an ultrasound probe Feb. 24, 2009
7491172 Connection apparatus and method for controlling an ultrasound probe Feb. 17, 2009
7471798 Microphone array having a second order directional pattern Dec. 30, 2008
7415117 System and method for beamforming using a microphone array Aug. 19, 2008
7408841 System and method for calculating the directivity index of a passive acoustic array Aug. 5, 2008
7391872 Parametric audio system Jun. 24, 2008
7109918 Nonlinear beam forming and beam shaping aperture system Sep. 19, 2006
7106658 Navigation system and method using directional sensor Sep. 12, 2006
6999378 Parallel GCS structure for adaptive beamforming under equalization constraints Feb. 14, 2006
6980485 Automatic camera tracking using beamforming Dec. 27, 2005
6922206 Videoconferencing system with horizontal and vertical microphone arrays Jul. 26, 2005
6914854 Method for detecting extended range motion and counting moving objects using an acoustics microphone array Jul. 5, 2005
6894642 Doubly constrained robust capon beamformer May. 17, 2005
6885612 Panoramic audio device for passive sonar Apr. 26, 2005
6868042 Data-based signal definition for frequency domain adaptive beamforming algorithms Mar. 15, 2005
6868043 Beam broadening with maximum power in array transducers Mar. 15, 2005

1 2 3

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