Quotables
"There is no likelihood man can ever tap the power of the atom."
Robert Millikan, Nobel Prize winner in physics
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 |
| 7377435 | Optical encoder An optical encoder is disclosed, in particular, which has a light sensing element with light-sensing cells arranged in a matrix. The light sensing element repeatedly detects the same reflective light beam by different rows of light-sensing cells to increase the prec... | 05/27/2008 |
| 7340344 | Spherical position monitoring system A contact free optical position sensor for an inertial reference system. The surface of an inertial sensor assembly is adapted with a coordinate encoded pattern. One or more optical sensors are adapted to generate image signals of the coordinate encoded pattern of t... | 03/04/2008 |
| 7277053 | Apparatus and methods for detecting and locating signals A discrete three-dimensional receiving element has multiple sensors scattered over its surface to detect and locate a signal. The sensors facing the signal detect the signal, and a boundary line is drawn between the sensor which detect the signal and those which don... | 10/02/2007 |
| 7233316 | Multimedia user interface A user interface for multimedia centers advantageously utilizes hand-held inertial-sensing user input devices to select channels and quickly navigate the dense menus of options. Extensive use of the high resolution and bandwidth of such user input devices is combine... | 06/19/2007 |
| 7069783 | Angular velocity sensor The angular velocity sensor for detecting an angular velocity for detecting movement amounts and for controlling postures of vehicles, airplanes, cameras, and the like. The angular velocity sensor is provided with a piezoelectric vibrator, a temperature compensation... | 07/04/2006 |
| 7032469 | Three axes line-of-sight transducer A system and method for measuring orientation of an object. In the illustrative embodiment, the object is a ball (42) in a ball and socket type pointing and stabilization system. The novel system (40) includes an encoded pattern (46) applied to ... | 04/25/2006 |
| 6956558 | Rotary force feedback wheels for remote control devices A force feedback wheel is provided on a mouse or other interface device manipulated by a user. A sensor detects a position of the mouse in a workspace and sends a position signal to a connected host computer indicating that position. A rotatable wheel is mounted upo... | 10/18/2005 |
| 6952268 | Magnetic shield for a fiber optic gyroscope A magnetic shielding system for a fiber optic gyroscope is disclosed. The fiber optic gyroscope may have a sensing coil with a sensing axis. An exemplary magnetic shield may enclose the sensing coil and have a layer including a plurality of pieces connected at a sea... | 10/04/2005 |
| 6940891 | High precision optical imaging systems and related systems This disclosure describes the design and construction of high-precision off-axis optical imaging systems. The disclosure also describes the design and construction of high-precision mounting structures for rigidly holding optical elements in an optical imaging syste... | 09/06/2005 |
| 6902482 | Interactive electronic game having gyroscopic output effect An electro-mechanical device for providing an input to a computer program and said computer program providing a tactile output through said electro-mechanical device to a user. More specifically, the present invention provides an electro-mechanical virtual sword gam... | 06/07/2005 |
| 6603557 | Ring laser gyro having ring resonator semiconductor lasers and driving method thereof A ring laser gyro includes a tapered portion in a part of an optical waveguide, a plurality of ring resonator semiconductor lasers optically independent of each other on a common plane, and a plurality of electric terminals for detecting a change in the i... | 08/05/2003 |
| 6545257 | Thermal-electrically cooled photodetector A noise reducing thermal-electrically cooled photodetector for an Interferrometric Fiber Optic Gyro (IFOG) includes a photodiode that converts an optical power signal received from a coupler of the IFOG to an electrical compensation signal. The photodiode... | 04/08/2003 |
| 6465771 | Angular velocity detector and apparatus having angular velocity detector An angular velocity detector comprising a ring laser having a tapered light waveguide path which has an asymmetrical shape at least in a portion of the tapered light waveguide path so that laser beams propagating circumferentially in rotational directions... | 10/15/2002 |
| 6448552 | Gyro A gyro comprises a ring resonator type laser, a vibration table for applying an oscillation to the laser, and a signal processor for processing an output signal from the laser. The signal processor determines the phase angle of the output signal from the ... | 09/10/2002 |
| 6441366 | Sealed fiber optic gyroscope assembly An hermetically sealed fiber optic gyroscope assembly has loops of optic fiber on a support ring in a sealed casing comprising a base plate, a perimeter wall upstanding from the base plate and a cover secured to the perimeter of the wall, together with op... | 08/27/2002 |
| 6373048 | Method and device for stabilizing the scale factor of a fiber optic gyroscope A method and apparatus for stabilizing the scale factor of a fiber optic gyroscope in which a superluminescence diode or broadband multimode laser comprises the light source. The emission bandwidth injected into a fiber end from the light source is limite... | 04/16/2002 |
| 6259089 | Integrated optics rotation sensor A gyroscope which utilizes light waves to sense motion in the plane of the substrate. The gyroscope has a primary optical waveguide which is adapted to pass light from a single light source through the primary optical waveguide in both directions. The lig... | 07/10/2001 |
| 6198094 | Nested fiber optic gyro system A nested fiber optic gyro system includes at least a first fiber optic coil having a predetermined shape and size and at least a second fiber optic coil having the same shape and size as the first coil and nested within and transversely to the first coil.... | 03/06/2001 |
| 5801377 | Reducing dither induced errors from path length control resets in a ring laser gyro An integrator in a ring laser gyro that produces an output for changing the path length is reset synchronously with a gyro dither signal to reduce gyro errors from the dithering operation during the reset.... | 09/01/1998 |
| 5748181 | Cursor controlling apparatus and its direction detection method The present invention is related to a method used in a cursor controlling apparatus for detecting a direction a cursor should move on a monitor which comprises steps of: intermittently receiving a light to obtain a series of different optical quantities; ... | 05/05/1998 |
| 5642106 | Visual incremental turn detector A visual gyroscope system for detecting turns and straight line travel of a vehicle includes a visual image detector mounted on the vehicle, for producing sequential and successive digitized image data strips containing information identifying scenery abo... | 06/24/1997 |
| 5545892 | Gyro sensor coil with low-friction hub interface A spool for receiving a fiber optic sensor coil includes a single, substantially-planar mounting flange and a central hub. The coil can be directly wound upon the hub. The coil is mounted transverse to the plane of the mounting flange and is unconfined in... | 08/13/1996 |
| 5495759 | Detecting circuit which suppresses a drift signal Between the piezoelectric elements (16a), (16b) for driving and detecting and the piezoelectric element (16c) for feedback of the vibratory gyroscope (12), the oscillation circuit (30) is connected. By the resistors (32), (36), (38), the capacitor (34), t... | 03/05/1996 |
| 5412204 | Method for detecting an output of a gyroscope with dual synchronized detection circuit and dual smoothing circuit Two piezoelectric elements (16a), (16b) for detecting of a vibratory gyroscope (12) are connected to a first differential amplifier circuit (38) and a summing circuit (46). An output of the first differential amplifier circuit (38) is detected in synchron... | 05/02/1995 |
| 5223709 | Spherical optical encoder for detecting the position and motion about three mutual orthogonal axes A position detecting apparatus in the form of a sphere movable about three mutually orthogonal axes and employing optical encoding such as gray scale encoding and detector so positioned that motion about any of the three orthogonal axes is detected by one... | 06/29/1993 |
| 5210408 | Rotatable electro-optic measurement tapping device The electro-optic measurement tapping device for a motion sensor movably arranged in a receptacle which can be rotated about a shaft, the deflection of the motion sensor from an initial position being detected and measured. The motiond detector has, on a ... | 05/11/1993 |
| 5138154 | Shaft angle encoder with rotating off-axis interference pattern A shaft angle encoder adapted for use in a hand-held gyroscope has a motor at the core of the gyroscope suspended by two pairs of orthogonal gimbals to provide two-degrees-of-freedom for the inner gimbal. Power is provided to the motor through conductive ... | 08/11/1992 |
| 5134283 | Means for detecting a tilting state with a light emitting element on a movable member An optical position detection apparatus, above all, an optical position detection apparatus for detecting the tilting state, such as rolling and pitching of an object, is disclosed. The apparatus includes a light emitting element mounted on a movable memb... | 07/28/1992 |
| 5103089 | Angular displacement detecting device An angular displacement detecting device which is provided with a tubular casing having a chamber in which a liquid is sealed, a floating body having a magnetic characteristic, the floating body being disposed in the liquid sealed in the chamber and being... | 04/07/1992 |
| 5031988 | Fiber optic gyro In a fiber optic gyro of a zero serrodyne system employing a linear ramp voltage, a phase difference is provided, by a rectangular biasing voltage of a fixed period, between two rays of light which propagate through an optical fiber coil in opposite direc... | 07/16/1991 |
| 4930365 | Two axis rate gyroscope A gymballess, two axis rate gyroscope in which an inertia rotor is keyed on the electric motor shaft. The motor shaft comprises a flexible part (flexure shaft) adapted to flex upon precession of the inertia rotor in consequence of an angular velocity inpu... | 06/05/1990 |
| 4920259 | Apparatus for producing a phase insensitive index pulse for motion encoders A motion encoder includes a code member that extends along the route of the object whose movement is to be encoded, an energy emitter, and a modulated energy detector assembly. An incremental movement modulation track and two index modulation tracks are p... | 04/24/1990 |
| 4914291 | Gimbal angle detector An apparatus for detecting deflection of the spin axis of a gimbal supported spinning mass relative to the gimbal axis comprises four equally spaced linear arrays of detector elements mounted around the gimbal axis and extending parallel to that axis. Fou... | 04/03/1990 |
| 4862050 | Optical commutation and tilt sensing for a permanent magnet gyro A permanent magnet two degree of freedom gyroscope (10) utilizing a single rotor (12) having a trapezoidal shaped pattern formed thereon. The trapezoidal pattern consists of a reflective segment (11) and a non reflective segment (13). Two optical sensors ... | 08/29/1989 |
| 4814604 | Opto-electronic method and system for remote detection of physical magnitudes The optoelectronic method and system provides for remote detection of physical magnitudes by multiplexing and demultiplexing signals from a plurality of sensors. The system utilizes a single source of incoherent light which illuminates via optical fibers ... | 03/21/1989 |
| 4743116 | Microbending optical fiber accelerometer and gyroscope There is provided by this invention a fiber optic transducer for accelerometers and gyroscopes that utilize microbending of an optical fiber between two suspended points by vibrating the optical fiber with electro-static deflection to induce modulation of... | 05/10/1988 |
| 4662751 | Closed loop fiber optic rotation sensor An improved optical gyroscope is provided, of the type that passes two light components in opposite directions through an optic fiber coil, and which adds a small variable frequency to one of the light components to cancel the phase shift due to rotation ... | 05/05/1987 |
| 4610172 | Induction feedback stabilized suspension gyroscope A suspension gyroscope has a stator and a rotor rotatably mounted with respect to the stator. The rotor has at least one generally hemispherical portion which is, at least in part, electrically conductive. The rotor may also have disc-like portions which ... | 09/09/1986 |
| 4488041 | Device for measuring the coordinates of a rotating sphere and process for manufacturing part of this device Device for determining the orientation of an axis, mobile about a point, of a solid in rotation about this axis, particularly a gyroscopic spinner, wherein said device comprises a portion of sphere centered on said point of said axis, of which the surface... | 12/11/1984 |
| 4371784 | Thin film plane-polarized intensity pickoff This invention disclosure describes a thin film plane-polarized electro magnetic energy pickoff system. The system provides a wide-angle linear range of &#b1;40 degrees with a cosine nonlinear range of &#b1;65 degrees. The design allows all active compone... | 02/01/1983 |
