Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7158895 | Device for detecting hydrogen concentration and method of detecting hydrogen concentration The method of detecting the hydrogen concentration by using a first heat-generating resistor of which a first electrophysical quantity varies depending upon the hydrogen concentration and a second heat-generating resistor which is neighboring said first heat-generat... | 01/02/2007 |
| 7036369 | Thermal flow sensor having recesses in a substrate A thermal flow sensor has a first, second and third substrate, each having a first side and a second opposite side. The first substrate is connected to the second substrate such that the second side of the first substrate abuts the first side of the second substrate... | 05/02/2006 |
| 5780738 | Surface jet angular rate sensor An apparatus for sensing an angular rate of motion includes a body which defines a surface having a protuberant portion, and an orifice through the surface and proximate to the protuberant portion through which a fluid jet is directed along an initial jet... | 07/14/1998 |
| 5641903 | Gas rate sensor for detecting horizontal angular velocity A gas rate sensor comprising a sensor body, a pump control device and a resistive bridge circuit. Semiconductor substrates are accurately photoengraved by semiconductor fabrication techniques to integrally form a pair of heat-generating and heat-sensitive... | 06/24/1997 |
| 5610333 | Semiconductor type gas rate sensor A semiconductor type gas rate sensor which is capable of accurately sensing with a sufficient sensitivity an angular velocity acting on its body made of semiconductor substrates having a nozzle port and a gas path etched therein with a pair of heat wires ... | 03/11/1997 |
| 5567877 | Multiple-axis gas flow type angular velocity sensor A multiple-axis gas flow type angular velocity sensor which can accurately and stably detect the magnitude and direction of angular velocities acting in any direction on the sensor main body is provided by performing precision processing on semiconductor ... | 10/22/1996 |
| 5553497 | Gas flow type angular velocity sensor A gas flow type angular velocity sensor which is capable of reliably sensing an angular velocity while accurately controlling the working gas flow with temperature compensation by using a pair of heat wires as a gas flow sensor without providing any addit... | 09/10/1996 |
| 5107707 | Gas flow type angular velocity sensor A gas flow type angular velocity sensor comprising two semiconductor substrates with all components formed thereon by use of semiconductor technology and IC technology, which are coupled with each other to form therein a pair of heat wires, a gas path and... | 04/28/1992 |
| 5012676 | Gas rate sensor system Disclosed is a gas rate sensor system which provides an output signal representing an angular velocity of the gas rate sensor when the gas flows more on one of its thermal sensing elements than on the other due to the effect of the angular velocity on the... | 05/07/1991 |
| 4951507 | Gas rate sensor Disclosed is a gas rate sensor system which provides an output signal representing an angular velocity of the gas rate sensor when the gas flows more on one of its thermal sensing elements than on the other due to the effect of the angular velocity on the... | 08/28/1990 |
| 4945764 | Constant gain laminar jet angular rate sensing device A laminar jet angular rate sensor senses inertial angular rate in flight control and stabilization systems for aircraft and other vehicles. The sensor utilizes fluid as a power source and may be interfaced directly with fluid powered actuators for closed ... | 08/07/1990 |
| 4930349 | Gas rate sensor The gas rate sensor in the present invention is provided with a holder assembly having a metallic holding portion for holding flow sensors and a cylindrical casing containing the holder assembly and heater wires which are wound around the outside thereof.... | 06/05/1990 |
| 4856332 | Angular rate sensor nozzle An angular rate sensor is provided having a specially shaped nozzle which shapes the velocity profile of a gas stream passing through a nozzle so that a linear portion of the profile impinges upon the resistive elements of the sensor even when large angul... | 08/15/1989 |
| 4830577 | Impulse pump with a metal diaphragm A metal diaphragm impulse pump with no valves is disclosed. The pump may be used in an angular velocity sensor utilizing the Coriolis effect on a fluid jet. A magnetic core is mounted within an anvil and a drive coil is wound around the core. The drive co... | 05/16/1989 |
| 4823461 | Method of manufacturing fluidic angular rate sensor A method of manufacturing a fluidic angular rate sensor of the type wherein fine wires, such as tungsten wires, are mounted in tension over the heads of two pairs of spaced apart metal supports which are mounted on a ceramic disc having fluid passage aper... | 04/25/1989 |
| 4726227 | Angular velocity sensor having low temperature sensitivity An angular velocity sensor utilizing the Coriolis effect on a fluid jet employs a metal diaphragm impulse jet pump with no valves to reduce temperature sensitivity. The pump anvil, the nozzle block and the sensor plug may all be fabricated of the same mat... | 02/23/1988 |
| 4716763 | Jet flow in an angular velocity sensor An angular velocity sensor utilizing the Coriolis effect on a fluid jet employs increased spacing between the sensing elements to increase the scale factor and to reduce flow disturbances. A metal diaphragm pump is utilized to improve the ability to contr... | 01/05/1988 |
| 4714815 | Dual laser beam brazing of fine wires The sensor wires (16, 18) of an angular rate sensor (ARS) on sensor plug assembly (12) are mounted to their respective mounting posts (20-23) using dual laser beams (30, 32) spaced on opposite sides of the wire (16) so as to melt the post surface without ... | 12/22/1987 |
| 4594894 | Angular velocity sensor The accuracy of a fluid jet angular velocity sensor is increased by reducing flow disturbances which tend to increase the device's temperature sensitivity.... | 06/17/1986 |
| 4592232 | Angular velocity sensor The present invention relates to a sensor for sensing orthogonal components of angular velocity of rotation of the sensor about any axis in a plane perpendicular to a reference jet axis within the sensor, wherein a fluid jet is deflected relative to two p... | 06/03/1986 |
| 4584878 | Gas-rate sensor A gas-rate sensor is disclosed which comprises, similar to a conventional one, a hollow cylindrical casing with a gas sealed therein, a gas pump arranged within the casing at its one end to circulate the gas therein, a nozzle means arranged within the cas... | 04/29/1986 |
| 4531123 | Apparatus for visually indicating the travel route of an automotive vehicle An apparatus for use in an automotive vehicle for visually indicating the travel route thereof. A current travel route of the vehicle is arithmetically obtained in terms of two-dimensional coordinates for a unit travel distance of the vehicle on the basis... | 07/23/1985 |
| 4494116 | Apparatus for visually indicating a current travel route of a vehicle A visual travel route indicating apparatus, for use in an automotive vehicle or the like, including a distance sensor for detecting a current distance of travel of the vehicle, a gas rate sensor for detecting a current azimuthal deviation generated by the... | 01/15/1985 |
| 4470124 | Method of adjusting the zero-point of rate type sensor A method of zero-level adjustment of a rate sensor wherein the zero-level adjustment in the detection of yawing rate is obtained by subtracting a quantity of drift of an output from the rate sensor during the period of time that the vehicle is stopped or ... | 09/04/1984 |
| 4467984 | Angular rate sensing apparatus and methods A three-axis navigational guidance system utilizes three specially designed internal jet-type fluidic angular rate sensors which simultaneously sense the rotational rate of a guided body relative to three mutually perpendicular control axes. Fluidic outpu... | 08/28/1984 |
| 4445377 | Pressure-to-electric output system for an angular rate sensor or the like A pressure-to-electric output system is used to convert the dual outlet pressure signals of a fluidic angular rate sensor to a pair of oscillating electrical signals whose relative frequency differential is very accurately indicative of the sensor outlet ... | 05/01/1984 |
| 4408490 | Angular velocity sensor A heating wire is wound around a casing within which a sensor body is placed. Thermo-sensitive switch means is connected to the heating wire, which is responsive to the temperature within the casing to control the rate at which electric current is supplie... | 10/11/1983 |
| 4407161 | Fluid jet displacement detector A device for detecting displacements of a fluid jet is disclosed. The device is particularly suitable for use as part of a fluidic angular rate sensor. The device comprises a wire resistor suspended between a pair of metal posts, a means for producing a m... | 10/04/1983 |
| 4348900 | Angular velocity sensor An angular velocity sensor comprising an outer casing, an inner casing forming the sensor body, mounted within the outer casing, and a covering member covering an opening formed in an end of the outer casing. The inner casing includes a hollow cylindrical... | 09/14/1982 |
| 4305293 | Angular rate sensor with symmetrical diaphragm impulse pump assembly An angular rate sensor includes an improved impulse pump structure for providing fluid under pressure to a nozzle disposed at one end of a jet chamber to form a constant flow fluid jet, the jet chamber including a pair of temperature sensitive elements di... | 12/15/1981 |
| 4295373 | Fluidic angular rate sensor with integrated impulse jet pump assembly An angular rate sensor includes a unitary structure impulse pump for providing fluid under pressure, at a constant rate of flow, to a nozzle disposed at one end of a jet chamber to form a constant flow fluid jet, the jet chamber including a pair of temper... | 10/20/1981 |
| 4188576 | Angular rate sensor An angular rate sensor is conceived which operates by utilizing electrica conducting fluid flowing in a transverse magnetic field. The electric field induced in the flow direction due to rotation will produce a signal that is proportional to angular rate... | 02/12/1980 |
| 4156364 | Ionic conduction angular rate sensor The present invention relates to a sensing device having a chamber containing positive and negative ions, wherein a fluid flow is directed into the chamber and ionized. The ionized flow passes between a plurality of conductive plates, the outputs from whi... | 05/29/1979 |
| 4026159 | Fluidic angular rate sensor null error compensation In a fluidic angular rate sensor in which a pair of temperature sensitive resistive elements are differentially cooled by a jet of fluid, the direction of which lags the position of the resistive elements when the rate sensor is rotated in the plane of se... | 05/31/1977 |
| 4020699 | Temperature stabilized fluidic angular rate sensor The measurement bridge of a fluidic angular rate sensor in which a pair of temperature sensitive resistive elements are differentially cooled by a jet of fluid, the direction of which lags the position of the resistive elements when the rate sensor is rot... | 05/03/1977 |
| 4020700 | Unitary fluidic angular rate sensor The nozzle of an angular rate sensor which directs a stream of fluid toward a pair of temperature-dependent sensing resistor elements is formed in a major block which defines the chamber within which the sensing elements are also mounted, thereby to mitig... | 05/03/1977 |
