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WO/2000/005780A1 |
The present invention pertains to the production of radio-electronic devices and more precisely to that of antenna-feeder devices. This invention may be used in portable (pocket) reception indicators for the GPS and GLONASS satellite rad...
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WO/2000/002012A1 |
The present invention relates to a device for checking and calibrating high precision inclinometric sensors. It comprises a substantially quadrangular planar base body (2) made of highly rigid material, set to float on mercury (3) placed...
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WO/2000/000787A2 |
The invention relates to a method for calibrating an angle sensor, whereby an output signal (V¿a?) is determined for position 0 and an associated operating temperature (T) is measured. A new reference signal is formed from the output si...
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WO/2000/000790A1 |
Disclosed is a method for calculating relative phase between channels of a multi-sensor tracking device. The relative phases may be used to calibrate the multi-tracking sensor device to perform more accurately. The method involves record...
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WO/1999/050051A1 |
A liquid-containing member is insert molded into a body. The liquid-containing member may be in the form of a level vial (36), which can be insert molded in a mold cavity having a shape corresponding to a vial retainer or corresponding t...
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WO/1999/039161A1 |
The invention relates to a navigation device and a method for position determination by means of coupled navigation, wherein a comparison is made between a position calculated by a processor (12) on the basis of measured values provided ...
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WO/1999/028706A1 |
Disclosed is a mounting mechanism and method for accurately securing and uniformly bonding piezoelectric transducers (PZTs) to a dither spring. The dither spring includes a central hub, an outer toroidal rim, a plurality of flexible reed...
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WO/1998/043045A1 |
A method for calibrating a pressure-sensing altitude sensor (12) of an aircraft (10) while the aircraft (10) is in flight. The method includes the steps of obtaining a set of reference atmospheric pressures as a function of height above ...
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WO/1998/043107A1 |
An aircraft collision avoidance method, including the steps of determining geopotential heights of a first (10) and a second (14) aircraft at substantially the same instant of time using a satellite-based position determining device disp...
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WO/1998/035206A1 |
The invention relates to a method for determining correction parameters for the measured values of a magnetic compass, which is built into a land craft for navigation purposes, and gives the azimuth a of the direction of motion of the ve...
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WO/1998/027405A1 |
In order to derive accurate DR heading information from the wheel speed, the distance between the centers of the tires, or the wheel track, must be known to high precision. Unfortunately, the wheel track may not always be known to a high...
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WO/1998/012505A1 |
According to the invention calibration of an odometer in a vehicle positioning system occurs with the aid of satellite signals . Preferably, a GPS receiver is used. The real speed of the vehicle during a given time period is calculated a...
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WO/1996/026416A1 |
It is an object of the present invention to provide an optical sensor that has a simple structure and which yet enables positive detection of the inclination of an object of interest, and also to provide a process for producing the same....
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WO/1996/021138A1 |
Described is a turn-rate sensor which works in accordance with the resonant oscillation gyrometer principle and is excited by an amplitude-controlled oscillation loop. The sensor is used to measure, for instance, the yaw rate of a vehicl...
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WO/1995/026492A1 |
A system for calibrating the sensors of a redundant sensor system by calculating a first set of error signals based on differences between a combination of the outputs and known values and calculating a second set of error signals based ...
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WO/1995/015519A1 |
A circuitry evaluates the signals of a yaw rate regulator (10) in a regulating circuit (5) for regulating the driving stability of a motor vehicle (4). The temperature-dependency of the sensor signal is compensated by a temperature senso...
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WO/1994/023501A1 |
An integrating analog-to-digital converter which includes a temperature sensor (340) to sense the temperature of selected analog circuit components and a storage (350) for storing information descriptive of the temperature characteristic...
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WO/1994/010537A1 |
A differential odometer includes a left wheel sensor (503) coupled to a left wheel (103), and a right wheel sensor (513) coupled to a right wheel (105). The left wheel sensor (503) provides a left wheel pulse count (505) as the left whee...
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WO/1993/003327A1 |
A method for calibrating a differential odometer in a vehicle (10) having a pair of wheels (14, 16) and a pair of associated wheel sensors (18, 24) which generate output pulses as their associated wheels rotate. The method includes drivi...
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WO/1991/011684A1 |
A gradient indicator has a clinometer (25) arranged on a motor-driven turntable (7) that allows reversible measurements to be taken and supports the gradient indicator in precisely reproducible positions on bearing faces (21) of the base...
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WO/1990/012698A1 |
The invention provides an apparatus for measuring the yaw rate of a vehicle, comprising means for measuring the velocity of the vehicle (1), means for measuring the lateral acceleration of the vehicle (2) and means for measuring the stee...
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WO/1980/002195A1 |
Apparatus and method for accurately determining the direction of true north or the change in drift of other gyroscopes. The apparatus comprises a single degree of freedom gyroscope (10) driven by a permanent magnet electric motor (15). T...
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WO/1980/000370A1 |
Structural elements (13, 16, 18) of an inertial sensor (10) are fabricated from molded plastic materials. The structural elements (13, 16, 18) are characterized by relatively, small cross-section areas, and further incorporate keys and k...
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JP2022522639A |
A method of adjusting a vehicle information transmitter associated with a vehicle, wherein the first reference point and the second reference point are set up at remote locations, the first reference point and the second reference point....
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JP7018975B2 |
Systems and methods are disclosed for performing manufacturing testing on an autonomous driving vehicle (ADV) sensor board. A sensor unit of the ADV includes a plurality of sensor I/O channels that provide information to the ADV percepti...
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JP6860651B2 |
This measurement device for measuring the angular velocity or acceleration of a two-wheel vehicle, is provided with a main detection unit which detects the three-axis angular velocity or three-axis acceleration, a support unit which can ...
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JP6613236B2 |
A high-precision fiber-optic gyroscope inertial measurement device calibration method, comprising the following steps: S1, respectively forwardly turning a fiber-optic gyroscope inertial measurement device by 90°, 180° and 270° for th...
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JP6371913B2 |
A device for testing an inertial sensor for a vehicle, which includes at least two attachment points, having at least one first oscillation body to which the inertial sensor is fastenable/is fastened, and having at least one first excita...
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JP6143928B1 |
[Subject] According to target accuracy which an inertia sensor needs, a dynamic sensitivity matrix is measured by searching for a nonlinear paragraph to a high order paragraph. [Means for Solution] A vibration table is controlled by a vi...
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JP6119978B2 |
An electronic device includes a vibrating element that detects a predetermined physical quantity, an integrated circuit that is electrically connected to the vibrating element, and a ceramic package. The ceramic package is provided with ...
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JP6101835B2 |
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JP6058152B2 |
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JP5517389B2 |
An exemplary system that provides for navigation redundancy includes first and second navigation components adapted to determine first and second navigation parameters, respectively. A network component determines a relationship between ...
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JP5239587B2 |
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JP5123447B2 |
Dynamic balancing reduces quadrature bias in microfabricated vibrating instruments such as tuning fork gyros so that a purity of motion is achieved in the absence of any angular rate input. Balancing is achieved by ablating (74) or depos...
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JP5110878B2 |
A pressure sensor of a process device, is characterized by applying a plurality of pressures to the process sensor. Outputs of the plurality of pressures are received. A compensation relationship is determined based upon the pressure sen...
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JP4989035B2 |
Methods and apparatus for: (a) the correction of one or more elements determined from a first set of continuous gyro and accelerometer measurements comprising using a second set of discontinuously measured higher accuracy accelerometer m...
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JP4929445B2 |
System and method for measuring force-dependent gyroscopic sensitivity. A force-effect model of the effects of acceleration on the output of a gyro triad is determined. Rotation sequences are then devised to permit excitation and observa...
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JP4905016B2 |
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JP4888660B2 |
One embodiment of the invention relates to a microdevice package containing getters for maintaining a constant vacuum level within the sealed microdevice package. A stacked wafer assembly, containing a plurality of microdevice packages, ...
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JP4853937B2 |
A device for measuring the dynamic matrix sensitivity of an inertia sensor is provided with a motion generating machine or a vibrating table for inducing a translational or rotary motion, an acceleration measuring unit, an angular veloci...
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JP4849757B2 |
An apparatus and method for calibrating machine vision measuring systems that have more than one camera are disclosed. A first calibration target is mounted in a fixed relationship to a first camera of the machine vision measuring system...
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JP4847872B2 |
A surveying instrument having a camera with an image sensor (10), and a display for displaying images and a mark indicating a sighting axis defined by the projection center and the intersection point of the tilting axis (4) and the verti...
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JP4820753B2 |
A bearing unit (6) for a measuring part (5) is arranged on one side of the measuring plane (11) or in the measuring plane, and is formed as an air bearing. The measuring part is formed as a C-shaped member with two limbs arranged at righ...
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JP4819802B2 |
An exemplary navigation system uses a master navigation component at a first location in a vehicle and a slave navigation component at a second location that is a variable displacement to the first location due to physical deformation of...
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JP4782816B2 |
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JP4729318B2 |
A position sensor using a novel structured light generating scale or target member is provided. An imaging array is capable of measuring the relative translation and orientation of the structured light generating scale or target member i...
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JP2011099868A |
To provide a system for navigation redundancy in a moving body.A network component determines a functional relationship between first and second navigation components, wherein the functional relationship describes a navigation solution f...
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JP4658925B2 |
A method for manufacturing a quartz oscillator having a stable temperature drift characteristic attributed to the quartz oscillating piece and a quartz oscillator are disclosed. The method comprises a quartz crystal etching step S 1 of p...
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JP4641290B2 |
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