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Class Information
Number: 367/124
Name: Communications, electrical: acoustic wave systems and devices > Distance or direction finding > By combining or comparing signals
Description: Subject matter wherein a signal is derived from the combination of the signals in two or more receiving channels (as by addition or multiplication) or from the measurement of the degree of similarity between such signals.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7376045 |
System and method for determining positions of towed marine seismic streamers |
May. 20, 2008 |
| 7372773 |
Method and system of providing clustered networks of bearing-measuring sensors |
May. 13, 2008 |
| 7362653 |
Underwater geopositioning methods and apparatus |
Apr. 22, 2008 |
| 7362655 |
Time-synchronous acoustic signal ranging system and method |
Apr. 22, 2008 |
| 7359285 |
Systems and methods for determining shooter locations with weak muzzle detection |
Apr. 15, 2008 |
| 7333394 |
Navigational aid for diver |
Feb. 19, 2008 |
| 7319640 |
Noise suppression system |
Jan. 15, 2008 |
| 7292501 |
Compact shooter localization system and method |
Nov. 6, 2007 |
| 7277359 |
Navigation processor, a system comprising such a navigation processor and a method of controlling an underwater system by such a navigation processor |
Oct. 2, 2007 |
| 7272073 |
Method and device for generating information relating to the relative position of a set of at least three acoustic transducers |
Sep. 18, 2007 |
| 7266044 |
Method and apparatus for acoustic source tracking using a horizontal line array |
Sep. 4, 2007 |
| 7266045 |
Gunshot detection sensor with display |
Sep. 4, 2007 |
| 7266043 |
Method for directional location and locating system |
Sep. 4, 2007 |
| 7260022 |
Method and apparatus for detecting, evaluating and identifying a stationary or moving object |
Aug. 21, 2007 |
| 7245558 |
System and method for detection using ultrasonic waves |
Jul. 17, 2007 |
| 7221622 |
Speaker distance detection apparatus using microphone array and speech input/output apparatus |
May. 22, 2007 |
| 7204347 |
Arrhythmic pulse sequence for sonic distance measurement |
Apr. 17, 2007 |
| 7203132 |
Real time acoustic event location and classification system with camera display |
Apr. 10, 2007 |
| 7181356 |
Device and method for analyzing the structure of a material |
Feb. 20, 2007 |
| 7170820 |
Determination of time difference of arrival in distributed sensor networks |
Jan. 30, 2007 |
| 7139222 |
System and method for protecting the location of an acoustic event detector |
Nov. 21, 2006 |
| 7130245 |
Ultrasonic double feed detecting device |
Oct. 31, 2006 |
| 7126876 |
Harmonic ambiguity resolver and inter array harmonic tracker |
Oct. 24, 2006 |
| 7126877 |
System and method for disambiguating shooter locations |
Oct. 24, 2006 |
| 7123547 |
Time delay measurement |
Oct. 17, 2006 |
| 7088640 |
Method of obtaining acoustic metrology data |
Aug. 8, 2006 |
| 7054228 |
Sound source location and quantification using arrays of vector probes |
May. 30, 2006 |
| 7020046 |
System and method for target motion analysis with intelligent parameter evaluation plot |
Mar. 28, 2006 |
| 7009912 |
Method and system for detection of broadband energy |
Mar. 7, 2006 |
| 6987856 |
Binaural signal processing techniques |
Jan. 17, 2006 |
| 6980486 |
Acquisition system particularly suited for tracking targets having high bearing rates |
Dec. 27, 2005 |
| 6954404 |
Method for determining position and velocity of targets from signals scattered by the targets |
Oct. 11, 2005 |
| 6930957 |
Method for directional location and locating system |
Aug. 16, 2005 |
| 6901030 |
Tracking multiple targets in dense sensor fields |
May. 31, 2005 |
| 6894950 |
Underwater vehicle thermal boundary detection system |
May. 17, 2005 |
| 6885612 |
Panoramic audio device for passive sonar |
Apr. 26, 2005 |
| 6868044 |
Data adaptive interference suppression |
Mar. 15, 2005 |
| 6868045 |
Voice control system with a microphone array |
Mar. 15, 2005 |
| 6847588 |
Method for changing the frequency for sampling sonar wavefronts |
Jan. 25, 2005 |
| 6831875 |
Apparatus for ultrasonically detecting position of web edge and method of doing the same |
Dec. 14, 2004 |
| 6819984 |
LOST 2--a positioning system for under water vessels |
Nov. 16, 2004 |
| 6816437 |
Method and apparatus for determining orientation |
Nov. 9, 2004 |
| 6757219 |
Raster based system and method for target tracking and motion analysis |
Jun. 29, 2004 |
| 6714155 |
Method of passively estimating an emitter's position and velocity using bearings-only without requiring observer acceleration |
Mar. 30, 2004 |
| 6690321 |
Multi-sensor target counting and localization system |
Feb. 10, 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 |
| 6687187 |
Method for directional location and locating system |
Feb. 3, 2004 |
| 6683820 |
Method and apparatus for tracking sonar targets |
Jan. 27, 2004 |
| 6680688 |
Measuring system and method for detecting object distance by transmitted media with different wave velocities |
Jan. 20, 2004 |
| 6661740 |
Multi-static, opportune-source-exploiting, passive sonar processing |
Dec. 9, 2003 |
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