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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 6868043 |
Beam broadening with maximum power in array transducers |
Mar. 15, 2005 |
| 6868042 |
Data-based signal definition for frequency domain adaptive beamforming algorithms |
Mar. 15, 2005 |
| 6856577 |
Method and apparatus for forming a reception beam |
Feb. 15, 2005 |
| 6847588 |
Method for changing the frequency for sampling sonar wavefronts |
Jan. 25, 2005 |
| 6839303 |
Matched filter, receiving beam-forming apparatus and sonar system |
Jan. 4, 2005 |
| 6826117 |
Tracking, safety and navigation system for firefighters |
Nov. 30, 2004 |
| 6822928 |
Adaptive sonar signal processing method and system |
Nov. 23, 2004 |
| 6798716 |
System and method for wireless electrical power transmission |
Sep. 28, 2004 |
| 6798380 |
Robust capon beamforming |
Sep. 28, 2004 |
| 6741713 |
Directional hearing device |
May. 25, 2004 |
| 6695783 |
Multiline ultrasound beamformers |
Feb. 24, 2004 |
| 6687188 |
Underwater telemetry apparatus and method |
Feb. 3, 2004 |
| 6594201 |
System and method for localizing targets using multiple arrays |
Jul. 15, 2003 |
| 6594367 |
Super directional beamforming design and implementation |
Jul. 15, 2003 |
| 6580392 |
Digital beamforming for passive detection of target using reflected jamming echoes |
Jun. 17, 2003 |
| 6504794 |
Tracking, safety and navigation system for firefighters |
Jan. 7, 2003 |
| 6473362 |
Narrowband beamformer using nonlinear oscillators |
Oct. 29, 2002 |
| 6445647 |
Wideband-to-narrowband conversion method and apparatus |
Sep. 3, 2002 |
| 6349791 |
Submarine bow dome acoustic sensor assembly |
Feb. 26, 2002 |
| 6332028 |
Dual-processing interference cancelling system and method |
Dec. 18, 2001 |
| 6324290 |
Method and apparatus for diagnosing sound source and sound vibration source |
Nov. 27, 2001 |
| 6285628 |
Swept transit beam bathymetric sonar |
Sep. 4, 2001 |
| 6192006 |
Device for and a method of determining the angle of incidence of a received signal and a scanning sonar |
Feb. 20, 2001 |
| 6192134 |
System and method for a monolithic directional microphone array |
Feb. 20, 2001 |
| 6181643 |
Interferometer with a single projector array and a single receiver array |
Jan. 30, 2001 |
| 6160757 |
Antenna formed of a plurality of acoustic pick-ups |
Dec. 12, 2000 |
| 6154552 |
Hybrid adaptive beamformer |
Nov. 28, 2000 |
| 6108275 |
Phased beam transducer |
Aug. 22, 2000 |
| 6104672 |
General fluctuation sensitive filter |
Aug. 15, 2000 |
| 6097670 |
Method and apparatus for tracking objects underwater |
Aug. 1, 2000 |
| 6058075 |
System for canceling interferers from broadband active sonar signals using adaptive beamforming methods |
May. 2, 2000 |
| 6009045 |
Advanced vertical array beamformer |
Dec. 28, 1999 |
| 5930201 |
Acoustic vector sensing sonar system |
Jul. 27, 1999 |
| 5923617 |
Frequency-steered acoustic beam forming system and process |
Jul. 13, 1999 |
| 5914912 |
Sonar array post processor |
Jun. 22, 1999 |
| 5886951 |
Method for enhancing signal-to-noise ratio and resolution of amplitude stable signals |
Mar. 23, 1999 |
| 5864515 |
Sonar data processing |
Jan. 26, 1999 |
| 5825898 |
System and method for adaptive interference cancelling |
Oct. 20, 1998 |
| 5822276 |
Broadband sonar method and apparatus for use with conventional sonar sensor arrays |
Oct. 13, 1998 |
| 5812494 |
Wide-angle, forward-looking bathymetric mapping |
Sep. 22, 1998 |
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