Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 8146423 | Ion discharge gyroscope An ion discharge gyroscope measures rotational motion and linear acceleration by generating symmetrical ion jet streams and measuring respective amounts of the jet streams impinging on detectors located so as to intercept the ion jet streams. The ion jet streams wil... | 04/03/2012 |
| 7324322 | Static eliminator A static eliminator generates ions by applying positive and negative high voltages to a discharge electrode of a discharge head. The static eliminator includes a high voltage power supply unit including a high voltage power supply circuit and a high voltage cable fo... | 01/29/2008 |
| 7219547 | Angular velocity sensor and angular velocity detector The present invention provides a cheap angular velocity sensor capable of detecting angular velocity with high precision by using a vibration mode which cannot be set by external vibration. The angular velocity sensor includes: a vibrator (2) formed as a soli... | 05/22/2007 |
| 7171853 | Magnetohydrodynamic (MHD) actuator sensor An MHD sensor/actuator is provided for generating torque as well as sensing angular displacements around a sense/torque axis. A column of conductive liquid which rotates within a circumferential channel having an inner circumferential surface and outer circumferenti... | 02/06/2007 |
| 6679117 | Ionization contact potential difference gyroscope An ionization contact potential difference gyroscope including a housing enclosing a first and second electrode with a gas, further including an ionization source capable of providing ions from the gas, and a contact potential difference measurement circu... | 01/20/2004 |
| 6173611 | MHD sensor for measuring microradian angular rates and displacements An angular rate sensor which measures submicroradian angular displacements. An MHD sensor is provided having a cylindrical column of conductive fluid, centered about a measurement axis. The magnetic field for the device is generated from permanent magnets... | 01/16/2001 |
| 5665912 | Active magnetohydrodynamic rate sensor A magnetohydrodynamic sensor having an annular or circular sense channel containing a conductive liquid proof mass. A radial flow is introduced into the annular channel which, in response to rotation of the device, produces a coriolis force and resulting ... | 09/09/1997 |
| 5438871 | Gas flow type angular velocity sensor and method of constructing same A gas flow type angular velocity sensor comprising two semiconductor substrates wherein only the first semiconductor substrate is provided with a groove etched thereon constituting the gas path and the second semiconductor substrate is provided with paire... | 08/08/1995 |
| 5303588 | Sensor for determining angular velocity In a sensor (10) for determining the angular velocity (Ω), an ultrasonic wave is radiated into a sound conductor (11) by means of a piezoceramic shear oscillator (12) as transmitter, two receivers (14, 15) being located adjacent to one another at the oth... | 04/19/1994 |
| 5052225 | Acoustic gyroscope An acoustic gyro comprises two vessels disposed at both sides of a single separator, at least one sensing duct coupled with these two vessels, a single sound source provided on the separator to differentially provide a volume change to the two vessels, an... | 10/01/1991 |
| 4941353 | Gas rate gyro A hermetic tubular casing hermetically containing a gas substantially at the atmospheric pressure is mounted on a mobile object, such as a vehicle, and is provided with a needle electrode at one end thereof and a pair of adjacent semicircular plate electr... | 07/17/1990 |
| 4903531 | Acoustic gyrometer The gyrometer comprises a cavity filled with a fluid in the form of a body of revolution having an axis coinciding with the axis of a rotation to be measured. An excitation transducer and a measuring transducer are disposed on the wall of the cavity in a ... | 02/27/1990 |
| 4672848 | Acoustic gyrometer The invention relates to a gyrometer, without material rotor, of the type using the Coriolis forces on the particles of a fluid contained in a resonant cavity. It comprises, in addition to the conventional excitation and detection unit, a unit for effecti... | 06/16/1987 |
| 4393707 | Fluidic angular rate sensor employing ionized gas A fluidic angular rate sensor employs an ionized stream of gas 104, the deflection of which is detected by an amplifier 130 connected to a pair of collection electrodes 122 and 124, motive power for the gas stream 104 being provided by momentum transfer f... | 07/19/1983 |
| 4254659 | Fluid dynamic angular rate sensor An angular rate of change sensing device of the type wherein angular rate of change, movement, or velocity is indicated by sensing a differential fluid velocity relative to a sensing apparatus in an underdeveloped laminar fluid flow field and is character... | 03/10/1981 |
| 4023278 | Two axis attitude sensor The specification discloses a magnetic liquid core toroidal transformer having four secondary windings spaced 90° apart. When the toroid is deviated from the horizontal plane, the magnetic liquid causes the secondary winding voltages to correspondingly c... | 05/17/1977 |
