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| Number | Title | Issue Date |
| 7228739 | Precision flexure plate A precision flexure plate includes a flat disk positioned between two capacitor plates and supported by S-shaped beams. Deflection of the disk due to gravitational loads and resulting capacitance change is used to measure the accelerations in the direction perpendic... | 06/12/2007 |
| 7222433 | Electromagnetic inclinometer An angle sensor comprising a housing (1) having horizontal and vertical axes, which housing is adapted to receive a magnetic core (5) such that the core remains in substantially the same plane, e.g. by floating on a liquid (4). The core is provi... | 05/29/2007 |
| 7197343 | Portable electronic apparatus with azimuth measuring function, magnetic sensor suitable for the apparatus, and azimuth measuring method for the apparatus A portable phone has a CPU and a magnetic sensor unit including an X-axis magnetic sensor, a Y-axis magnetic sensor, and a temperature sensor. CPU measures at first and second temperatures the influence of a magnetic field of permanent magnets upon an output Sx of t... | 03/27/2007 |
| 7185438 | Method and apparatus for determining vehicle wheel geometry The invention is a method of determining the geometry of a wheel of a vehicle and/or the geometry of the associated support or drive structure. In one embodiment, a gauge includes caster and camber vials or an electro-mechanical sensor for outputting caster and camb... | 03/06/2007 |
| 7137208 | Leveling device A leveling system for a missile system includes a holder defining an xz-plane. Four flexure plate accelerometers are coupled to the holder at angles such that they are sensitive to movement in an xy-plane. The accelerometers all generate signals in response to movem... | 11/21/2006 |
| 7124634 | Single plate capacitive acceleration derivative detector A capacitance accelerometer includes a housing, and a plate fixed within the housing. A moveable plate is disposed in substantially parallel relation to the fixed plate and is coupled to the housing along at least an edge. The moveable plate and the fixed plate defi... | 10/24/2006 |
| 7095486 | Laser transmitter with thermally induced error compensation and method of transmitter compensation The transmitter for projecting a beam of laser light includes a source of a beam of laser light, and a projection arrangement for directing the beam of laser light at a selected grade. The transmitter further includes a temperature sensor for detecting the temperatu... | 08/22/2006 |
| 6987460 | Orientation device Disclosed is an orientation device that may be deployed in a mechanical assembly such as a surveillance camera or enclosure to positively determine the physical orientation and/or attitude (tilt), or any change in such physical orientation and/or attitude, of either... | 01/17/2006 |
| 6453571 | Thermocouple tilt sensing device A thermocouple tilt sensing device comprises a container being substantially gas-tight, a first sensing wire having a first and a second end, and a second sensing wire, having a first and a second end. The first end of the first sensing element is electri... | 09/24/2002 |
| 5191713 | Electronic tilt measuring system The invention provides an electronic tilt measuring system for measuring the relative tilts of various platforms such as weapons on a ship. The basic system comprises an inclinometer (1) at each platform, a central control and display unit (2) and a compu... | 03/09/1993 |
| 4779353 | Tool for measuring inclination and rotation A tool is provided for measuring the angles of inclination and rotation of the tool itself, especially for use in a borehole. The tool preferably comprises an electrically nonconductive cylindrical chamber containing a conductive fluid and a nonconductive... | 10/25/1988 |
