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 |
| 7518954 | Motion transducer A motion sensing transducer is disclosed that includes a case having an inner surface, a first cap that closes the case at a first end and a second cap that closes the case at a second end. The case inner surface, first cap and second cap define a space within the c... | 04/14/2009 |
| 7443766 | Sensor assembly A sensor assembly includes a seismic sensor element and a shell. The shell at least partially surrounds the sensor element to shield the sensor element from a magnetic field that is generated outside of the shell. ... | 10/28/2008 |
| 7406002 | Method and apparatus for the acquisition of seismic movements The method and the apparatus disclosed serve to acquire seismic induced movements. A coil and a permanent magnet are contained in an enclosure and the seismic movements induce a relative movement between said coil and said magnet. The current induced into the coil i... | 07/29/2008 |
| 7295494 | Diamagnetic current response transducer for sensing pressure gradient in a fluid medium A pressure gradient sensor for seismic and other applications utilizing the principle of diamagnetic drift. The sensor comprises at least one transducer, each transducer made of or containing a medium having at least one species of mobile charged particles such as e... | 11/13/2007 |
| 7292504 | Seismic sensors A method for compensating the effect of gravity on seismic sensors such as geophones and a gravity effect-free seismic sensor are disclosed. The gravity effect-free seismic sensor of the present invention includes primary sensor (100) operatively responsive t... | 11/06/2007 |
| 7270214 | Method and apparatus for reducing and extracting wing-tip vortex energy The present invention provides an apparatus and a method for reducing wing-tip vortex energy during seismic exploration. The apparatus includes a vortex concentrator of deployed proximate a tip of a hydrofoil and a vortex reducing device deployed proximate the vorte... | 09/18/2007 |
| 7271582 | Linear variable differential transformers for high precision position measurements A linear variable transformer (LVDT) for use in a transducer. The LVDT has a non-ferromagnetic core which may eliminate Barkhausen noise and thereby improve the sensitivity of the resulting measurements. In one aspect, this system may be used in an atomic force micr... | 09/18/2007 |
| 7151359 | Variable reluctance generator A variable reluctance generator has phase windings and a bias winding. By controlling the excitation produced by the bias winding, the speed of the machine or the DC link, a power converter using only diodes can supply power to a DC bus. A method of operating a vari... | 12/19/2006 |
| 7012852 | Method, apparatus and system for detecting seismic waves in a borehole A method, apparatus and system for detecting seismic waves. A sensing apparatus is deployed within a bore hole and may include a source magnet for inducing a magnetic field within a casing of the borehole. An electrical coil is disposed within the magnetic field to ... | 03/14/2006 |
| 6918283 | System and method for demonstrating and investigating brownian motion effects on a diamagnetically suspended particle An apparatus for demonstrating, investigating and observing Brownian motion and temperature of a medium, such as gas or liquid, uses a small particle which is diamagnetically suspended in the medium. The tiny magnetized particle having a known mass is levitated usin... | 07/19/2005 |
| 6832518 | Pressure wave sensor using levitated mass A mass is levitated with respect to a base, at least one of which is comprised of a diamagnetic material, with the levitated mass also having a permanent magnetic property. A second permanent magnet is optionally configured such that it attracts the levitation mass ... | 12/21/2004 |
| 6799462 | Gravimetric measurement method and system A mass is levitated with respect to a base at least one of which is comprised of a diamagnetic material, and the levitation mass also having a permanent magnetic property. A second permanent magnet is configured such that it attracts the levitation mass away from sa... | 10/05/2004 |
| 5694375 | Ultra-broadband hydrophone The present invention relates to an ultra-broadband hydrophone which has major electronic components and one mechanical component. The first electronic component comprises a flux-gate magnetometer for sensing changes in an ambient magnetic field and for... | 12/02/1997 |
| 5625348 | Method and apparatus for detecting local precursor seismic activity A method and apparatus for sensing one or more physical parameters, including acoustic waves having frequencies from approximately 0 Hz to 15 Hz, electromagnetic waves having frequencies from approximately 0 Hz through 35 Hz and seismic waves having frequ... | 04/29/1997 |
| 5565665 | Magnetic suspension seismometer The objective of this invention is to simplify and provide a versatile device capable of accurately measuring seismic activity. The technique is based on magnetic levitation. The concept of magnetic levitation has been around since the 1960's, and it has ... | 10/15/1996 |
| 5432758 | Electroacoustic transducer An electroacoustic transducer having a diaphragm and a magnetic driving portion respectively housed in a housing wherein the magnetic driving portion vibrates the diaphragm magnetically in response to an electric signal. A base member for closing an openi... | 07/11/1995 |
| 5425002 | Acoustic pressure pulse generator An apparatus for generating acoustic pressure pulses in an acoustic medium has a membrane that can be driven which adjoins the acoustic medium and which is driven in an impact-producing manner. The membrane is mechanically pre-stressed so that it returns ... | 06/13/1995 |
| 5268879 | Electro-acostic transducers A flexural transducer includes a hollow tube that is magnetically driven by a coil/magnet assembly. A magnetic field is provided by passing a current through the coil. The filed passes through an air gap between the coil and the magnet to attract and repe... | 12/07/1993 |
| 5256920 | Acoustic transducer An acoustic transducer provides an elongated outer shell made of magnetic material and having a pair of flexural members attached to each other in the elongated direction and having a flexural portion extending normally to the elongated direction and form... | 10/26/1993 |
| 5172345 | Geophone system A geophone system for measuring mechanical vibrations such as seismic waves include a mechanical transducer with an electronic processing circuit. The mechanical transducer includes an inertial mass adapted to be excited by an input acceleration signal an... | 12/15/1992 |
| 5126979 | Variable reluctance actuated flextension transducer An underwater acoustic projector including a Class IV flextension shell, preferably in the form of an ellipsoid, is connected to and driven by two substantially identical electromagnets having mutually opposing pole faces and having a common spatially uni... | 06/30/1992 |
| 5119345 | Geophone A geophone is disclosed that has a cylindrical housing closed at one end by a bottom and at the other end by a top. A magnet assembly and a coil-mass are located in the housing. Springs support the coil-mass for axial movement relative to the magnet assem... | 06/02/1992 |
| 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 |
| 4618949 | Self-orienting directionally sensitive geophone A self-orienting, directionally sensitive particle velocity transducer with an axially magnetized magnet which, displaced by gravity, floats off-center in a chamber filled with ferromagnetic fluid. Wire coils affixed coaxially to the chamber ends asymmetr... | 10/21/1986 |
| 4603407 | Rotational geophone A rotational geophone is provided. This rotational geophone employs a coil mounted on a torsional wire in a static magnetic field to detect movement of the frame relative to the coil. This rotational geophone may also be combined with a velocity geophone ... | 07/29/1986 |
| 4597070 | Geophone An improved geophone for seismic prospecting is disclosed which features plural magnets of varying mass oscillating with varying frequencies within one or plural coils whereby the frequency response of the geophone may be optimized.... | 06/24/1986 |
| 4517514 | Vibration transducer with dual opposed magnetic assemblies and counterbalanced mass A magnetically suspended magnetic transducer has a first magnetic assembly including a first magnetizable housing with a bottom and upstanding walls defining an interior volume, a pair of opposed, mutually spaced magnets with a pole piece in between, and ... | 05/14/1985 |
| 4412317 | Transducer for picking up mechanical vibrations, in particular seismic waves, and a seismic measuring system including such a transducer Transducer for converting mechanical vibrations into corresponding electrical signals. Two separate coils are disposed in permanent magnetic fields produced by a magnet assembly. The coils on the one hand and the magnetic assembly on the other are mounted... | 10/25/1983 |
| 4402382 | Air gun fire time sensor A robust air gun fire time sensor consists of a housing to which is secured a protruding nonmagnetic internal barrel having a bore. The bore is closed at one end by a magnetic end cap defining an air chamber and the bore is in fluid communication with the... | 09/06/1983 |
| 4301887 | Acceleration-responsive apparatus for sensing firing instant of an air gun A variable reluctance type firing sensor is mounted on an air gun for providing an electrical signal indicative of the instant of firing of the air gun. The firing sensor has a magnetic circuit which includes a permanent magnet, a pair of pole pieces and ... | 11/24/1981 |
| 4282484 | Combination seismic/magnetic transducer with floating magnet A combination seismic/magnetic transducer capable of detecting movement in a magnetically-permeable body or vibration within the body while it is stopped.... | 08/04/1981 |
| 4266287 | Transducer systems with controlled damping The damping of transducers having a mass oscillating in the manner of a piston in a cylinder containing damping fluid on both sides of the cylinder is rendered adjustable by the provision of a conduit through the mass for the flow of damping fluid from an... | 05/05/1981 |
| 3953829 | Partially filled fluid damped geophone The invention relates to geophones and/or seismometers utilizing a casing housing a permanent magnet and a coil mass resiliently supported within the casing for movement relative to the permanent magnet along a primary axis, and wherein the mass is movabl... | 04/27/1976 |
| 3942606 | Method of land seismic exploration using flexible tubes This invention relates to a land seismic exploration method and apparatus employing a plurality of elongated tubes each having a flexible wall for containing a volume of liquid explosive therein. Each tube is adapted to be detachably connected to either a... | 03/09/1976 |
