Bizarre Patents
Method and apparatus for making a drink hop along a bar or counter
A method for generating a drink which appears to hop from a remote spot on the bar or counter and take one or more leaps, before landing in a patron's glass.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7633835 | High power, motor driven underwater acoustic transducer A high intensity, low frequency underwater transducer for non-lethal deterrence of terrorist swimmers or divers in a body of water. The invention consists of a motor driven flextensional underwater transducer. In one embodiment, the phase of a transducer is sensed, ... | 12/15/2009 |
| 7570544 | Diaphragm cup for an ultrasonic transducer Provided is a diaphragm cup for an ultrasonic transducer having a hollow area for carrying a diaphragm, which is electroplated, preferably with a chrome coating. ... | 08/04/2009 |
| 7480209 | Submersible loudspeaker assembly A submersible loudspeaker assembly is provided. The loudspeaker assembly includes: a housing; a loudspeaker enclosed within the housing; an external diaphragm disposed adjacent to the loudspeaker. The external diaphragm is acoustically transparent when subject to am... | 01/20/2009 |
| 7453772 | Flexural cylinder projector An inverse flextensional projector exhibits a low frequency flexural mode and a higher frequency “breathing” mode to defeat stealthy targets and to conduct short and long range detection and tracking in littoral waters. The device has much broader bandwidth than... | 11/18/2008 |
| 7355926 | Portable low frequency projector A portable low frequency underwater acoustic projector having two circular diaphragms separated by a spacer ring with a pair of coils and oscillating masses being located in pipes connected to central opening in two diaphragms, the coils driving these masses in oppo... | 04/08/2008 |
| 7332850 | Microfabricated ultrasonic transducers with curvature and method for making the same The present invention provides a microfabricated ultrasonic transducers with curvature. The curvature is made possible by thinning the substrate such that it is flexible enough to be mounted on an assembly with the desired curvature. In one aspect of the invention, ... | 02/19/2008 |
| 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 |
| 7292503 | Multi piston electro-mechanical transduction apparatus An electro-mechanical transducer, which provides radial amplified multiple piston motion is formed from attached multiple lever arms and multiple electro-mechanical drivers. The piston motion is amplified by lever arms, which are attached to electro-mechanical drive... | 11/06/2007 |
| 7170822 | Laminated piezoelectric transducer and method of manufacturing the same The invention is illustrated as an underwater acoustic transducer comprising an active acoustic element for transducing sound and electrical signals; a front and rear housing element disposed on each side of the active acoustic element to define a corresponding fron... | 01/30/2007 |
| 7156506 | Liquid charging method, liquid container, and method for manufacturing the same A liquid charging method for charging a liquid container with a liquid, the liquid container being provided with a piezo-electric device for detecting a consumption condition of the liquid in said liquid container, the piezo-electric device being provided with a cav... | 01/02/2007 |
| 7035167 | Seismic sensor A seismic sensor, has a case, a pre-charged, non-conductive membrane located between two plates that form a capacitor and accommodated inside the case, with one of the plates being immovable relative to the case and the other of the plates being movable relative to ... | 04/25/2006 |
| 7030536 | Micromachined ultrasonic transducer cells having compliant support structure A micromachined ultrasonic transducer array comprising a multiplicity of cMUT cells built on a substrate. Each cMUT cell comprises a compliant support structure built on the substrate, a membrane supported over a cavity by the compliant support structure, a first el... | 04/18/2006 |
| 6990046 | Sonar transducer A sonar transducer mounted on a probe inserted in a vessel or container emits a sonar wave for measuring the level of fluid interfaces within the vessel or container. The sonar transducer includes a housing closed by a diaphragm at one end. A piezoelectric crystal l... | 01/24/2006 |
| 6956792 | Openwork shell projector A honeycomb-like shell is provided for an acoustic projector used in sonar applications to increase the bandwidth of the projector, reduce its weight, and to provide increased power density and reduced shell costs. The shell has outer and inner layers, with the hone... | 10/18/2005 |
| 6936953 | Use of a piezo-active device and an appliance and a system including it A piezo-active device includes a piezo-electric element and an elastically deformable shell in which the piezo-electric element is disposed. The use of this piezo-active device includes, for supplying power to an electrical circuit connected to the piezo-electric el... | 08/30/2005 |
| 6927528 | Piezoactive actuator with dampened amplified movement The piezoactive actuator with amplified movement comprises a first sub-assembly formed by a mechanical movement amplifier and a second sub-assembly equipped with piezoactive elements. An interface with a load and an interface with a base, respectively placed at the ... | 08/09/2005 |
| 6918877 | Method and system for reducing undesirable cross talk in diagnostic ultrasound arrays Practical diagnostic ultrasound arrays invariably exhibit a degree of unwanted inter-element cross coupling or cross talk. This results in degraded beam performance that in turn results in degraded image resolution (spatial resolution and contrast performance). Curr... | 07/19/2005 |
| 6873572 | Low-frequency sonar countermeasure A multi-port projector of acoustic energy in water includes a cylindrical hollow transducer having open annular ends. A thin, flexible member is secured to each annular end to extend across each opening to be displaced by the transducer, and the transducer and flexi... | 03/29/2005 |
| 6865140 | Mosaic arrays using micromachined ultrasound transducers An ultrasound transducer array includes a multiplicity of subelements interconnected by a multiplicity of microelectronic switches, each subelement comprising a respective multiplicity of micromachined ultrasound transducer (MUT) cells. The MUT cells within a partic... | 03/08/2005 |
| 6771788 | Shielded microphone A microphone shield system is disclosed. The microphone shield system includes an impervious elastic membrane stretched over and covering a microphone on substantially all sides. The impervious elastic membrane is adapted to pass a selected acoustical frequency rang... | 08/03/2004 |
| 6755796 | Pressure-pulse therapy apparatus A pressure-pulse therapy apparatus, including a dome-shaped reflector, at least one ring section, a central x-axis, an open end, a flexible diaphragm capping the open end, a fluid medium within the reflector and diaphragm, a pressure-pulse source immersed in the flu... | 06/29/2004 |
| 6714484 | Microfabricated acoustic transducer with suppressed substrate modes A microfabricated acoustic transducer with suppressed substrate modes includes a diaphragm containing an upper electrode suspended above a substrate containing a lower electrode; the substrate may or may not contain electronic circuits. The substrate modes are suppr... | 03/30/2004 |
| 6711097 | Driving device for a hydroacoustic transmitter The invention refers to a driving device for hydroacoustic transmitters, including at least one actuating element (1), arranged to execute a reciprocating movement, wherein the movement of the actuating element (1) includes an increase and a decrease o... | 03/23/2004 |
| 6643222 | Wave flextensional shell configuration A flextensional transducer projector shell design is disclosed. The shell design has a shape formed so as to reduce the stress placed on the transduction driver as compared to other shell designs. The shell design includes first and second bulbous end por... | 11/04/2003 |
| 6535459 | Barrel stave projector-stave attachment An underwater acoustic projector comprising a pair of spaced apart end caps with an acoustic driver positioned between the end caps, the driver having smaller cross-sectional dimensions than the end caps to which the driver is mechanically coupled. The pr... | 03/18/2003 |
| 6504795 | Arrangement of micromechanical ultrasound transducers The damping of membranes of ultrasound transducers in an arrangement occurs at the front side directly on the membranes by applying a polymer layer, whereby the working temperature dependent on the operating frequency of the ultrasound transducer lies wit... | 01/07/2003 |
| 6314057 | Micro-machined ultrasonic transducer array A plurality of applications for a micro-machined ultrasonic transducer (MUT) including an improved MUT array containing optimized transmit MUT elements and optimized receive MUT elements, a MUT array in which staggered MUT elements increase the sensitivit... | 11/06/2001 |
| 6298012 | Doubly resonant push-pull flextensional The present invention relates to a flextensional transducer device comprising a multi-resonant shell and push-pull driving system for driving the shell so as to provide at least two tunable resonant modes, thereby increasing the operational bandwidth of t... | 10/02/2001 |
| 6262946 | Capacitive micromachined ultrasonic transducer arrays with reduced cross-coupling There is described a capacitive micromachined ultrasonic transducer array which is configured to minimize the excitation and propagation of plate waves traveling in the substrate and ultrasonic waves propagating at the interface between the array surface ... | 07/17/2001 |
| 6185809 | Method of manufacturing a diaphragm for an electroacoustic transducer A method of manufacturing a diaphragm for an electroacoustic transducer which operates in accordance with the electrodynamic principle and has portions with different thicknesses made from a thermoplastically deformable material having a constant thicknes... | 02/13/2001 |
| 6186963 | Device for generating acoustic shock waves, especially for medical applications A device for generating acoustic shock waves, comprising at least two electrodes which form a spark discharge gap G in a fluid volume and a reflector for the acoustic shock waves generated during the spark discharge made of an electrically conductive mate... | 02/13/2001 |
| 6094402 | Ultrasonic transducer An ultrasonic transducer (10) includes a housing (12) having a main section (14) and a base section (16). Retainer elements (20) on the main and base sections (14 and 16) of the housing (12) are engageable only when the main and base sections of the housi... | 07/25/2000 |
| 6088463 | Solid state silicon-based condenser microphone A solid state silicon-based condenser microphone comprising a silicon transducer chip (1). The transducer chip includes a backplate (13) and a diaphragm (12) arranged substantially parallel to each other with a small air gap in between, thereby forming an... | 07/11/2000 |
| 6049511 | High sensitivity fiber optic hydrophone A fiber optic hydrophone structure comprises a casing around which is wound an optical fiber. The casing includes complementary top and bottom diaphragm members that mesh together and which are separated by a spacer ring. The spacer ring is tapered to kni... | 04/11/2000 |
| 5982709 | Acoustic transducers and method of microfabrication There is provided an acoustic transducer which includes a membrane of selected size and shape supported at its edges spaced from a first conductive electrode by an integral support structure with the second conductive electrode comprising a thin metal fil... | 11/09/1999 |
| 5959939 | Electrodynamic driving means for acoustic emitters Drive assembly for acoustic sources with vibrating surfaces (1) capable of being set in vibrational motion, especially for use in seismic studies, comprising a frame (4) comprising at least one preferably centrally positioned drive part (3, 13). The drive... | 09/28/1999 |
| 5956292 | Monolithic micromachined piezoelectric acoustic transducer and transducer array and method of making same A monolithic micromechanical piezoelectric acoustic transducer with integrated control circuit includes a support member; a piezoelectric medium disposed on the support member; first and second electrodes engaging the piezoelectric medium; and a control c... | 09/21/1999 |
| 5912863 | Electro-acoustic transducer An elongated, electrically conductive diaphragm is placed in a strongly magnetic field to produce a linear and an elongated sound source giving a high sound energy. At least two elongated diaphragms are positioned between intermediate and enclosing protec... | 06/15/1999 |
| 5894452 | Microfabricated ultrasonic immersion transducer An ultrasonic capacitance transducer having a sealed membrane supported above a conductive substrate by thin insulating material to form a sealed evacuated cavity whereby the transducer can operate immersed in fluid.... | 04/13/1999 |
| 5894451 | Impulsive snap-through acoustic pulse generator An impulsive snap-through acoustic pulse generator may be used to generate n acoustic pulse in an aqueous environment without gas bubbles. The impulsive snap-through acoustic pulse generator includes a support structure having an open end; a resilient shel... | 04/13/1999 |
