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Class 367/8 - Acoustic holography


Subclass of Class 367 - Communications, electrical: acoustic wave systems and devices
Definition: Subject matter in which the visible image is reconstructed
No. of patents: 58
Last issue date: 12/13/2011


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NumberTitleIssue Date
8077540System and method for determining vector acoustic intensity external to a spherical array of transducers and an acoustically reflective spherical surface
A system and computer implemented method for determining and displaying vector acoustic intensity fields based on signals from a rigid spherical array of acoustic sensors within a volume external to the array. The method includes a propagator with a ratio of Green's...
12/13/2011
8009507System and method for adaptable aperture planar phased array
A system for an adaptable aperture planar array for maintaining source resolution is provided. The system includes a first nested array defining a first aperture responsive to a first range of frequencies. The first aperture is sized based on an angle between the ar...
08/30/2011
7599248Method and apparatus for determining vector acoustic intensity
A system and method for determining vector acoustic intensity fields using a spherical array of acoustic sensors, and a regularization technique. A mobile spherical array of a number of microphones that image the acoustic intensity vector throughout a large volume i...
10/06/2009
7379384Echo scope
The present invention is a new technology for producing images which uses echoes of a single brief signal, or “click”. A “click” is transduced by multiple sensors and then digitally sampled. Digitized signals are computer analyzed for fine details of each ri...
05/27/2008
7350522Scanning method for applying ultrasonic acoustic data to the human neural cortex
A method for creating sensory experiences operates by scanning the acoustical signal across the human neural cortex to create the desired sensory perceptions. The acoustic signal is scanned in a predetermined pattern. The pattern is then modified to fill in spaces i...
04/01/2008
7317676Optical head device and optical information apparatus using this optical head device, and computer, optical disk player, car navigation system, optical disk recorder and optical disk server using this optical information apparatus
Providing an objective lens with a large numerical aperture (NA), the present invention records or plays conventional optical disks such as CDs and DVDs at high light usage efficiency, using an optical head capable of recording or reproducing high-density optical di...
01/08/2008
7289633System and method for integral transference of acoustical events
A sound system for capturing and reproducing sounds produced by a plurality of sound sources. The system comprises a device for receiving sounds produced by the plurality of sound sources and converting the separately received sounds to a plurality of separate audio...
10/30/2007
7271706Termite acoustic detection
A method and system for detecting the presence of subterranean termites, involving use of a thermal imaging camera to scan the structure before installation of an acoustic sensor in order to quickly locate potential areas of subterranean termite infestation, and an ...
09/18/2007
7259897System, method and apparatus for direct imaging in ultrasonic holography
An acoustical holographic imaging method and apparatus for introducing a reference wave into a hologram surface such that the reference wave does not interfere with an object placed adjacent to or in close proximity to the hologram surface. More particularly, the ul...
08/21/2007
7242793Physically-based, probabilistic model for ultrasonic images incorporating shape, microstructure and system characteristics
The present invention is a method and apparatus that creates a physical model of image formation and performs a random phasor sum representation of the physical model to create the probabilistic model. The physical model incorporates imaging system characteristics, ...
07/10/2007
7221462Method and device for optical detection of the position of an object
The present invention relates to a method and to a device enabling data to be input, and also to an optical system for detecting the position of an article or a member and suitable for being used (or incorporated) in such a method (or device). The technical field of...
05/22/2007
7167738Method for navigating in the interior of the body using three-dimensionally visualized structures
A method is described for navigating in the interior of the body using three-dimensionally visualized structures. In a first step of the method, at least two two-dimensional images of the same anatomical object are provided from different perspectives, and also item...
01/23/2007
7149337Method of detecting flaws in the structure of a surface
The invention relates to a method of detecting flaws in the surface of a test object relative to the surface of a flawless master part by constructing in an artificial neuronal net a virtual master part for comparison with characteristic numbers derived from the gre...
12/12/2006
7133043Computer graphics methods and apparatus for ray intersection
Ray-intersection methods and apparatus that greatly facilitate processing associated with computer graphics are described. In the described embodiment, a collection of shapes are defined that approximate an object. The described shapes are polygons, with exemplary p...
11/07/2006
7113447Laser pumped compact acoustic sensor system
An acoustic transducer system for acoustic signals in water has at least one hollow spherically-shaped shell for vibrating in response to acoustic signals impinging from the water. The hollow spherically-shaped shell has one or more portions that are reflective of i...
09/26/2006
7027353Method and apparatus for real-time vibration imaging
A system and method for detecting vibration information by receiving electromagnetic radiation reflected or emitted from a target object at a photodetector array to provide real-time imaging of the target object. The detected radiation may be visible light, infrared...
04/11/2006
6958950Method of visualizing sound fields of individual sound sources using acoustic holography
The present invention relates generally to a method of visualizing the sound fields of sound sources using acoustic holography, which discriminates the sound fields of individual sound sources having the same frequency component and visualizes the sound fields there...
10/25/2005
6876322Concealed object detection
Disclosed are systems, methods, devices, and apparatus to interrogate a clothed individual with electromagnetic radiation to determine if a concealed weapon is being carried. This determination includes establishing data corresponding to an image of the individual a...
04/05/2005
6831874Ultrasonic holography detector
There is disclosed an improved ultrasonic hologram or other ultrasonic imaging process that accurately forms phase and amplitude information of the hologram in a manner that renders the unit relatively insensitive to environment vibrations, and provides long mainten...
12/14/2004
6757215Apparatus and process modifications in ultrasonic holography to improve image quality
A method and apparatus for generating an acoustic holographic image having a plurality of pulses with different characteristic parameters from each other. More particularly, a sequence contains a plurality of pulses which have different characteristic parameters fro...
06/29/2004
6672165Real-time three dimensional acoustoelectronic imaging and characterization of objects
An acoustoelectronic method and apparatus for generating real-time three-dimensional images of an object and characterizing such object are provided. The object is insonified with an incident acoustic signal derived from an electrical signal. Acoustic sig...
01/06/2004
6615143Method and apparatus for reconstructing and acoustic field
Acoustic field reconstruction is performed by expanding basis function which represent outgoing and incoming waves, without prior knowledge of the source geometry and dimensions. The reconstruction is based on acoustic pressures measured in the field only...
09/02/2003
6590830Apparatus and process modifications in ultrasonic holography to improve image quality
There is disclosed a series of process and apparatus modifications to ultrasonic holography imaging systems that each or together function to enhance image quality of ultrasonic holography images. Specifically, there is disclosed a process and apparatus f...
07/08/2003
6466891System for providing an estimate of the location of an undersea object
A system is disclosed that provides. a sonar operator with the most likely range to a target of interest. The system generates and displays a contour based on ship's parameters, target parameters, environmental data, and operator parameters. The sonar ope...
10/15/2002
6353576Detector in ultrasonic holography
There is disclosed an improved ultrasonic hologram or other ultrasonic imaging process that accurately forms phase and amplitude information of the hologram in a manner that renders the unit relatively insensitive to environment vibrations, and provides l...
03/05/2002
6324453Methods for determining the identification and position of and monitoring objects in a vehicle
A vehicle interior monitoring system to identify, locate and monitor occupants, including their parts, and other objects in the passenger compartment and objects outside of a motor vehicle, such as an automobile or truck, by illuminating the contents of t...
11/27/2001
6081481Method for detecting buried objects by measuring seismic vibrations induced by acoustical coupling with a remote source of sound
A method for detecting the seismic discontinuity in acoustic impedance caused by an acoustically hard, reflective object buried a few feet below poroelastic soil using seismic activity induced through acoustic coupling with a remote sound source. The abru...
06/27/2000
5986971Image processing system and method for estimating acoustic property of a movable sound source
An image processing system for estimating acoustic properties emitted from a movable sound source on a point in the sound field thereof comprises photoelectric sensors 11 and 12 for measuring a velocity and a moving direction of the sound source; a microp...
11/16/1999
5859609Real-time wideband cylindrical holographic surveillance system
A wideband holographic cylindrical surveillance system including a transceiver for generating a plurality of electromagnetic waves; antenna for transmitting the electromagnetic waves toward a target at a plurality of predetermined positions in space; the ...
01/12/1999
5712805Noise diagnostic system
A method for reconstructing the acoustic field on the surface of a vibrating object based on measurements of the radiated acoustic pressure includes solving the Helmholtz equation directly using the expansion of a set of independent functions that are gen...
01/27/1998
5557283Real-time wideband holographic surveillance system
A wideband holographic surveillance system including a transceiver for generating a plurality of electromagnetic waves; antenna for transmitting the electromagnetic waves toward a target at a plurality of predetermined positions in space; the transceiver ...
09/17/1996
5455590Real-time holographic surveillance system
A holographic surveillance system including means for generating electromagnetic waves; means for transmitting the electromagnetic waves toward a target at a plurality of predetermined positions in space; means for receiving and converting electromagnetic...
10/03/1995
5179455Ultrasonic holographic imaging apparatus having an improved optical reconstruction system
A preferred embodiment of the optical reconstruction assembly 50 in which the assembly 50 includes an assembly housing 52 that is a unitary unit for supporting a spatial filter 72 and a light source 74 in a single plane at the optical length "L" from a co...
01/12/1993
5068835Acoustic holographic array measurement device and related material
An acoustic device and related method for measuring the shape of an object. The device includes a plurality of transmitters for transmitting acoustic waves at an object to be measured and a plurality receivers for receiving the acoustic waves reflected by...
11/26/1991
5031154Three-dimensional object imaging method and system
A three-dimensional object imaging method is implemented on a computer for imaging an object. The three-dimensional object imaging method includes the steps of irradiating ultrasonic waves having two mutually different frequencies on the object which is t...
07/09/1991
4905202Detection panel and method for acoustic holography
A detection panel for acoustic holography with real time image reconstruction includes, a flat cell containing a mixture of nematic and cholesteric liquid crystals whose composition provides a refractive index which varies as a function of acoustic pressu...
02/27/1990
4899318Method and device for reconstructing the shape and position of objects in space
The shape and position of objects in space can be reconstructed from at least two projections of these objects as obtained by transmission of waves influenced by their passage through said objects. The method includes determining for each point of the projecti...
02/06/1990
4729128Personal identification card system
A method and apparatus for a personal identification card system includes a card having a plurality of lamina joined permanently together, with identification information written on the inner surfaces of the lamina. The information is not visible from the...
03/01/1988
4717916High resolution imaging doppler interferometer
A system for simultaneously locating a plurality of targets and distinguishing the targets from noise which utilizes phase detector techniques to generate complex voltage signals and obtain phase information. Spectral analysis is performed on the complex ...
01/05/1988
4707698Coordinate measurement and radar device using image scanner
A system for measuring angles, including a lens or antenna for focusing the radiation from an object scene onto an image sensor which is shifted by a clock, thereby producing the real time imaging of the object scene wherein each element of the object sce...
11/17/1987
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