Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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 |
| 8136382 | Self-calibration of scale factor for dual resonator class II Coriolis vibratory gyros The method and apparatus in one embodiment may have: operating one of two resonators of a class II coriolis vibratory gyro in a closed loop mode and another of the two resonators in an open loop whole angle mode; sensing an angular rate by each of the two resonators... | 03/20/2012 |
| 8099994 | Systems and methods for calibrating triaxial accelerometers A method for calibrating a multiple-triad triaxial accelerometer is provided. The method may include receiving accelerometer measured output from a first measurement triad and at least one additional measurement triad of the accelerometer. The method may further inc... | 01/24/2012 |
| 8099993 | Method and apparatus for verifying the operation of an accelerometer A method of verifying the operation of an accelerometer is provided. The method includes channeling a high frequency signal through a positive lead of the accelerometer, and detecting a signal at a negative lead of the accelerometer. If the detected signal is substa... | 01/24/2012 |
| 8056388 | Pointer instrument A pointer measuring instrument capable of indicating “zero” on an indication panel by a pointer even if a play (backlash) is present in gears. The measuring instrument comprises a pointer reference position setting means (7a, 7b) for ... | 11/15/2011 |
| 8056389 | Sensor self-test transfer standard A system, computer program product and method of obtaining a performance parameter associated with a sensor, such as an accelerometer, is provided. The method includes applying an acceleration to the accelerometer and a first frequency to obtain a sensitivity of the... | 11/15/2011 |
| 8042377 | System and method for testing of transducers A transducer test system for testing accelerometers or velocity transducers includes a signal conditioner and a shaker that can be used in a field environment, for example by an avionics technician at an aircraft. A test transducer and a reference transducer, which ... | 10/25/2011 |
| 7823437 | Anemometer calibration method and wind turbine A method for re-calibrating an anemometer of a wind turbine is provided, the method comprising the steps of obtaining pairs of measured values of wind speed and a wind-speed dependent turbine variable; comparing said measured value pairs to pairs of wind speed and t... | 11/02/2010 |
| 7739896 | Self-calibration of scale factor for dual resonator class II coriolis vibratory gyros The method and apparatus in one embodiment may have: operating one of two resonators of a class II coriolis vibratory gyro in a closed loop mode and another of the two resonators in an open loop whole angle mode; sensing an angular rate by each of the two resonators... | 06/22/2010 |
| 7677076 | Angular velocity sensor unit and angular velocity sensor diagnosing device An angular velocity sensor unit judging whether there is a failure in both of two angular velocity sensors. The angular velocity sensor unit includes a first angular velocity sensor (12) and a second angular velocity sensor (13), each including an osci... | 03/16/2010 |
| 7543473 | Sensor self-test transfer standard A system, computer program product and method of obtaining a performance parameter associated with a sensor, such as an accelerometer, is provided. The method includes applying an acceleration to the accelerometer and a first frequency to obtain a sensitivity of the... | 06/09/2009 |
| 7530256 | Calibration of sheet velocity measurement from encoded idler rolls A system and method are provided to calibrate a sheet velocity measurement derived from a drive nip system incorporating idler encoders. Testing has found that the velocity from an idler encoder system is subject to systematic errors, for example, errors that occur ... | 05/12/2009 |
| 7513140 | Sensing circuit for vibration type of angular rate sensor A sensing circuit for a vibration type of angular rate sensor comprises a vibrator, driving unit, follow-up signal forming unit, normal voltage-range setting unit, and determining unit. The driving unit drives the vibrator to vibrate at a predetermined amplitude by ... | 04/07/2009 |
| 7509830 | Method for monitoring a rotating rate sensor A method for monitoring a rotation rate sensor comprising a vibration gyroscope that represents a band-pass filter and that is part of at least one control circuit, wherein the control circuit comprises a digital and analog components and excites the vibration gyros... | 03/31/2009 |
| 7454946 | Systems and methods of self test for a slowly varying sensor Systems, methods and circuits for implementing a self test in a slowly varying sensor. In one particular case, a circuit is provided that includes two filters operating in parallel. One of the filters is tailored for filtering normal operational signals, and operate... | 11/25/2008 |
| 7441438 | Apparatus for calibrating golf ball launch monitors The present invention is directed to a calibration apparatus and method for calibrating and verifying the accuracy of a golf ball launch monitor. The apparatus includes a support structure and a rotatable wheel that has embedded golf balls evenly dispersed at a know... | 10/28/2008 |
| 7401495 | Activity monitoring An activity monitor is provided that corrects for the effects of motion external to the entity being monitored. For example, the activity monitor can overcome the effects of vehicular travel. ... | 07/22/2008 |
| 7392145 | Speedometer drive apparatus and method An automotive speedometer drive apparatus is disclosed that replaces an existing speedometer cable of the type used to drive mechanical speedometer instruments. The drive being an electronically controlled motor made to rotate at the correct rate to give an accurate... | 06/24/2008 |
| 7387025 | Angular velocity sensor An angular velocity sensor is provided, which is capable of accurate failure diagnosis on a detecting portion despite of its simple configuration and small size without providing additional means on an oscillator separately from the driving portion and a detecting p... | 06/17/2008 |
| 7386395 | Systems and methods for shock compensation utilizing an adaptive control technique algorithm A method for providing dynamic disturbance compensation to an inertial system is described. The method includes determining estimated correction factors based on received acceleration components, and dynamically determining filter coefficients for a filter configure... | 06/10/2008 |
| 7366598 | Device for estimating drift amount of lateral acceleration sensor, device for correcting output of lateral acceleration sensor, and device for estimating road surface friction state An SAT estimating section estimates self-aligning torque (SAT) on the basis of a steering torque, which is detected by a steering torque detecting section, and an assist torque, which is detected by an assist torque detecting section. An SAT model value computing se... | 04/29/2008 |
| 7359776 | Apparatus for correcting and diagnosing angular rate sensors installed in an automotive vehicle An offset diagnosing and correcting section obtains an offset correction value from an angular rate value obtained from detection signals produced from a plurality of angular rate sensors and a detection signal produced from an angular rate sensor when an automotive... | 04/15/2008 |
| 7352080 | Device and method for supplying the triggering device of an occupant restraint system with power The invention relates to a device that comprises a plurality of energy stores and a driver circuit. Said driver circuit is supplied by at least two of the energy stores via a selecting circuit in such a manner that the driver circuit is always supplied by the energy... | 04/01/2008 |
| 7343776 | Method and device for measuring dynamic linearity of acceleration sensor An elastic wave pulse is generated in a metal rod (1) by impacting an end surface (2) of the metal rod with each of two round, concentric projectiles (8, 10) from a double launch tube (4, 5) independently, and by impacting both projectile... | 03/18/2008 |
| 7337669 | Inertial sensor and combined sensor therewith An inertial sensor is provided which includes a self-diagnosis circuit which applies an AC-bias signal voltage ahead of a synchronous demodulator, and thereby, supplies a diagnostic signal for detecting an abnormality in at least one of a detecting element and a det... | 03/04/2008 |
| 7337668 | Accelerometer in closed loop with error detection An accelerometric measurement device with a return loop including accelerometer, a corrector generating a signal for correction of the position of the accelerometer, a closed return loop to apply this correction signal to the accelerometer, a detector to detect an e... | 03/04/2008 |
| 7337665 | Method for electronically tuning the readout vibration of a coriolis gyroscope In a method for electronic tuning of the frequency of the read oscillation to the frequency of the stimulation oscillation in a Coriolis gyro, the resonator of the Coriolis gyro has a disturbance force applied to it such that the stimulation oscillation remains esse... | 03/04/2008 |
| 7320253 | Stress detection method for sensor device with multiple axis sensor and sensor device employing this method The present invention provides the stress detection method for force sensor device with multiple axis sensor device and force sensor device employing this method, whose installation angle is arbitrary. The stress detection method includes, first and second force sen... | 01/22/2008 |
| 7320308 | Method of cylinder pressure sensor data/angle capture for low and high resolution A method/system for measuring cylinder pressures of an internal combustion engine includes a crank angle sensor utilized to generate pressure readings at known angular intervals. Additional time-based pressure measurements are taken in selected angular windows betwe... | 01/22/2008 |
| 7313958 | Rotational rate sensor A rotational rate sensor having a substrate and a Coriolis element is proposed, the Coriolis element being situated over a surface of a substrate; a driving arrangement being provided, by which the Coriolis element is induced to vibrations parallel to a first axis; ... | 01/01/2008 |
| 7308827 | Integrated gyroscope and temperature sensor A gyroscope and temperature sensor are formed on a single chip using SOI-MEMS technology. The temperature sensor has an array of resistors to accurately detect the temperature of the gyroscope in temperatures and conditions that can range from extreme heat to extrem... | 12/18/2007 |
| 7302848 | Force compensated comb drive A force compensated comb drive for a microelectromechanical system includes a MEMS mechanism for providing an output signal representative of a physical quantity; a comb drive for actuating the MEMS mechanism; a comb drive circuit for providing a drive signal to the... | 12/04/2007 |
| 7290435 | Method and apparatus for electronic cancellation of quadrature error Methods and apparatus are provided for detecting a rate of rotation. In one implementation, the method includes vibrating a proof mass at a pre-determined frequency in a drive axis. In response to a rotation, sensing an amount of deflection of the proof mass in an a... | 11/06/2007 |
| 7284408 | Sensor system An inertia sensor system incorporates a vibration-type angular-speed sensor unit and an acceleration sensor unit provided separately. The inertia sensor system also includes a second-type acceleration signal generation unit to extract an acceleration signal componen... | 10/23/2007 |
| 7281522 | Acceleration sensor status detecting apparatus An acceleration sensor state detecting apparatus for detecting a state of an acceleration sensor provided at a vibrating body includes a calculating method for calculating a difference between measured results of the acceleration sensor obtained per first predetermi... | 10/16/2007 |
| 7281406 | Sensor system In a sensor system, a detection waveform-forming unit detects a vibration component and forms a waveform of a detected angular velocity based on the vibration component. Components of the waveform are of opposite phases relative to each other and acceleration wavefo... | 10/16/2007 |
| 7278290 | Projectile impact energy and location measurement system A projectile impact energy and location measurement system is taught employing a target apparatus having an impact plate of a solid durable substance such as steel or titanium. Disposed over the plate is a layer of elastoluminescent material composed of zinc sulfide... | 10/09/2007 |
| 7278312 | Method for electronic tuning of the read oscillation frequency of a coriolis gyro In a method for electronic tuning of the frequency of the read oscillation to the frequency of the stimulation oscillation in a Coriolis gyro the resonator of the Coriolis gyro has a disturbance force applied to it such that the stimulation oscillation remains essen... | 10/09/2007 |
| 7275412 | Drop shock measurement system and acceleration sensor element used in the same The drop impact measuring system has i) a plurality of bimorph-type acceleration sensor containing a plurality of free vibrating sections each of which has individual draw-out electrodes; ii) a switch section for selecting output from the bimorph-type acceleration s... | 10/02/2007 |
| 7272740 | Performance indication system for use with a universal serial bus signal and a method of operation thereof A performance indication system for use with a Universal Serial Bus (USB) signal. In one embodiment, the performance indication system includes a rate discrimination subsystem that is configured to provide a determination of a data transfer rate of the USB signal co... | 09/18/2007 |
| 7263454 | Method for monitoring a vibrating gyroscope The invention relates to a method for monitoring a vibrating gyroscope which represents a resonator and forms part of at least one control loop that excites the vibrating gyroscope with its natural frequency by supplying an excitation signal. An output signal can be... | 08/28/2007 |
