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Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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| Number | Title | Issue Date |
| 7316151 | Apparatus and method for accurate, real-time measurement of pipeline gas An apparatus for BTU measurement of natural gas having at least one reference spherical acoustic resonator containing a reference gas, a sample gas spherical acoustic resonator containing a natural gas sample, a first acoustic transmitter adapted to transmit a first... | 01/08/2008 |
| 7311678 | Pressure-pulse therapy apparatus Disclosed is a device for producing an intracorporeal pressure pulse comprising a pressure pulse source configured to generate a collimated pressure pulse and an acoustic lens including at least one ring-shaped focusing section configured to focus a pressure pulse g... | 12/25/2007 |
| 7300403 | Wide aperture array design with constrained outer probe dimension The invention presents solutions for large apertures of an ultrasound array under given dimension constraints given by the application for the ultrasound probe, for example by an endoluminal application. The invention has applications to annular arrays for 2D and 3D... | 11/27/2007 |
| 7278513 | Internal lens system for loudspeaker waveguides This invention provides a lens system for a loudspeaker. The loudspeaker may include a driver unit and a waveguide attached to the driver unit. The loudspeaker further may include a lens system. The lens system may include a plurality of plates. The plates may be po... | 10/09/2007 |
| 7204342 | Sound focus speaker of gas-filled sound lens attachment type A sound focus speaker adopting a gas-filled sound lens enhances efficiency of transferring sound from a source to target area and of protecting a spread of transferred sound. The sound focus speaker includes a gas-filled sound lens, sound sources for generating soun... | 04/17/2007 |
| 6981952 | Apparatus for generating acoustic waves An apparatus for generating acoustic waves has an acoustic transducer with a first electrode serving as a membrane and adjoining an acoustic propagation medium and a second electrode spaced from the first, between which an electrolyte is situated. The acoustic trans... | 01/03/2006 |
| 6483225 | Ultrasound transducer and method of manufacture thereof The preferred embodiments described herein provide an improved ultrasound transducer and method of manufacture thereof. In one preferred embodiment, a method of manufacturing an ultrasound transducer is provided comprising the acts of supporting a layer o... | 11/19/2002 |
| 6418084 | Ultrasonic probe and method of manufacturing the same An ultrasonic probe includes a piezoelectric element for transmitting and receiving ultrasonic waves and an acoustic lens provided on an ultrasonic transmission/reception side of the piezoelectric element. The acoustic lens is formed in an acoustic lens s... | 07/09/2002 |
| 5566135 | Digital transducer A device for converting mechanical vibrations into a digital signal uses a iaphragm having a reflective surface with a plurality of reflective facets disposed on a face of the diaphragm. The diaphragm is mounted such that it will be displaced a distance pr... | 10/15/1996 |
| 5546360 | Electrically steered acoustic lens This invention is a composite acoustic lens that can be steered internally through electrical control. It can collect and direct acoustic energy from a plane wave to focus it on a transducer. It can also take the nearly omnidirectional output from a stand... | 08/13/1996 |
| 5481918 | Acoustic lens system An acoustic lens system is constructed so that at least one surface of acoustic lenses constituting the acoustic lens system is an aspherical surface, which has such a shape that curvature moderates progressively in separating from the axis of the acousti... | 01/09/1996 |
| 5477736 | Ultrasonic transducer with lens having electrorheological fluid therein for dynamically focusing and steering ultrasound energy An ultrasonic transducer having a transducer element which generates ultrasonic energy propagating along a transducer axis with a predetermined speed of propagation, and a lens acoustically coupled to the transducer element and having an input face positi... | 12/26/1995 |
| 5386396 | Process for producing the output surface of a focused ultrasonic beam transducer and transducer with an output surface produced by said process The process comprises the steps of calculating, by varying the opening angle of a cluster, a first group of reference points of x, z coordinates in an incidence plane of the beam, so that the times taken by the ultrasounds to pass through the reference po... | 01/31/1995 |
| 5371717 | Microgrooves for apodization and focussing of wideband clinical ultrasonic transducers An ultrasonic probe including one or more piezoelectric ceramic elements mounted on an acoustically damping support body. Desired acoustic signals are transmitted and received through a front portion of the probe while unwanted acoustic signals are dampen... | 12/06/1994 |
| 5365024 | Acoustic lens system The acoustic lens system is used for ultrasonic imaging in an ultrasonic system which displays an image of an object while transmitting ultrasonic waves and receiving the ultrasonic waves reflected from the object, and has a half field angle ω expressed ... | 11/15/1994 |
| 5351219 | Acoustic device An acoustic device has an acoustic wave propagating medium exhibiting elastic abnormality in the vicinity of a Curie temperature. It is desirable that such an acoustic wave propagating medium be formed of a ferroelectric substance or a high-elastic substa... | 09/27/1994 |
| 5345045 | Acoustic lens An acoustic lens for the transformation of a planar wave into a spherical segment-shaped wave, and vice versa, is disclosed. In order to avoid aberrations, the lens is fashioned rotationally symmetrical relative to its center axis and biconcavely, the len... | 09/06/1994 |
| 5333503 | Acoustic lens system An acoustic lens system is constructed so that at least one surface of acoustic lenses constituting the acoustic lens system is an aspherical surface, which has such a shape that curvature moderates progressively in separating from the axis of the acousti... | 08/02/1994 |
| 5309411 | Transducer A transducer apparatus and method for generating sonic sound waves having a far field wavefront amplitude pattern in a Bessel or Gaussian distribution is disclosed. The transducer includes a piezoelectric element having uniformly poled dipoles formed ther... | 05/03/1994 |
| 5305731 | Apparatus for generating acoustic wave having a liquid lens with an adjustable focal length A generator for acoustic waves has a source of acoustic waves with which acoustic waves can be introduced into an acoustic propagation medium and a liquid lens having a variable focal length which is arranged in the acoustic propagation medium, the liquid... | 04/26/1994 |
| 5269292 | Pressure pulse source having a positive lens with a pressure sensor A pressure pulse source, of the type suitable for generating shockwaves, has a positive lens for focusing the pressure pulses onto a focal zone. The positive lens has an acoustic exit face which has a shape, in a focusing zone, for focusing the pressure p... | 12/14/1993 |
| 5235553 | Solid ultrasonic lens A preferred embodiment of a large diameter solid ultrasonic imaging transducer is illustrated in FIG. 5 with alternate embodiments illustrated in FIGS. 6-9. The large diameter solid ultrasonic imaging lens 100 has a diameter preferably greater than six in... | 08/10/1993 |
| 5115414 | Conical ultrasonic wave deflection system A conical ultrasonic wave deflection system has an ultrasonic transducer for ultrasonic microscopy using surface waves and/or Lamb waves in an object. A conical wave front is directed onto the object via a deflection element. An inactive axial circular di... | 05/19/1992 |
| 5050137 | Ultrasonic probe An ultrasonic probe comprising an acoustic lens (20) having a concave lens surface (21) formed on one side of a lens body, and a piezoelectric transducer (23) disposed on the other side of the acoustic lens, ultrasonic waves generated by applying voltage ... | 09/17/1991 |
| 5036892 | Automatic control system for filling beverage containers An automatic, ultrasonic system for controlling the filling of different sizes of beverage containers which may or may not contain various quantities of ice. The system includes a transducer assembly and a control module, both preferably connected to a be... | 08/06/1991 |
| 5003516 | Ultrasonic probe and manufacture method for same An ultrasonic probe comprising an acoustic lens (20) having a concave lens surface (21) formed on one side of a lens body, and a piezoelectric transducer (23) disposed on the other side of the acoustic lens, ultrasonic waves generated by applying voltage ... | 03/26/1991 |
| 4995012 | Method of generating an elastic wave An acoustic filter is provided for attenuating or suppressing the negative pressure half-waves of an elastic wave, comprising an enclosure containing a liquid whose saturating vapor tension is close to the atmospheric pressure. A pump causes the liquid to... | 02/19/1991 |
| 4991151 | Elastic pulse generator having a desired predetermined wave form An elastic pulse generator including a piezo-electric or magnetrostrictive transducer which is focussing or associated with a focussing device, having a plurality of elementary emitting surfaces generating elastic signals. These signals are superimposed, ... | 02/05/1991 |
| 4970705 | Constant focal length acoustic lens A temperature compensation system that adjusts the temperature of an acoustic lens fluid in a prescribed manner to maintain the index of refraction of the fluid constant relative to the surrounding water thereby maintaining the focal length of the lens co... | 11/13/1990 |
| 4961456 | Automatic control system for filling beverage containers An automatic ultrasonic system for controlling the filling of different sizes of beverage containers which may or may not contain various quantities of ice. The system includes a transducer assembly and a control module, both preferably connected to a bev... | 10/09/1990 |
| 4944336 | Automatic control system for filling beverage containers An automatic, ultrasonic system for controlling the filling of different sizes of beverage container which may or may not contain various quantities of ice. The system includes a housing, a front and a rear pair of separate transmitter and receiver crysta... | 07/31/1990 |
| 4944335 | Automatic control system for filling beverage containers An automatic, ultrasonic system for controlling the filling of different sizes of beverage containers which may or may not contain various quantities of ice. The system includes a transducer assembly and a control module, both preferably connected to a be... | 07/31/1990 |
| 4941135 | Ultrasonic field generating device A liquid column (2) is placed between two high-frequency ultrasound sources (6) in the field of a standing wave produced by the sources. Each source produces a convergent beam that compensates for a substantial part of the attenuation of the ultrasound en... | 07/10/1990 |
| 4917155 | Ultrasound level detector and container counter An ultrasound liquid level detector system for automatically controlling the dispensing of a post-mix beverage, including microprocessor-controlled circuitry for monitoring and implementing the automatic dispensing process. The microprocessor is interface... | 04/17/1990 |
| 4915114 | Shock wave source having central locating system & disposed in a cavity free of shock waves A shock wave source for disintegrating a calculus has a centrally disposed cavity in which a locating system for identifying the position of the calculus is disposed. The shock wave source has an emission surface, from which shock waves are emitted into a... | 04/10/1990 |
| 4856107 | Acoustic filter for suppressing or attenuating the negative half-waves of an elastic wave and an elastic wave generator comprising such a filter An acoustic filter is provided for attenuating or suppressing the negative pressure half-waves of an elastic wave, comprising an enclosure containing a liquid whose saturating vapor tension is close to the atmospheric pressure. A pump causes the liquid to... | 08/08/1989 |
| 4852682 | Underwater voice communicator An underwater communicator comprising a transmitter for transmitting acoustical energy between mediums having differing impedance. The transmitter includes first and second ends. The first end is exposed to a first medium while the second end is exposed t... | 08/01/1989 |
| 4792931 | Optical seismic detector A detector for detecting the acceleration, the velocity or the displacement of a point is described. The detector includes a light source, at least two photoelectric elements spaced apart from each other over a predetermined distance and a focusing optica... | 12/20/1988 |
| 4780861 | Automatic control system for filling beverage containers An automatic, ultrasonic system for controlling the filling of different sizes of beverage containers which may or may not contain various quantities of ice. The system includes a transducer assembly and a control module, both preferably connected to a be... | 10/25/1988 |
| 4764905 | Ultrasonic transducer for the determination of the acoustic power of a focused ultrasonic field The invention concerns an ultrasonic transducer for the determination of the acoustic power of an ultrasonic field (1) focused at a point (F). According to the invention, an ultrasonic transducer 2 contains a support structure (4) which has the shape of a... | 08/16/1988 |
