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| Number | Title | Issue Date |
| 7316071 | Position measuring system A position measuring system having a housing with a wall, the wall having an opening and including a deformation. A measurement device accommodated in the housing, the measurement device detects and/or processes measurement values and outputs a position-dependent me... | 01/08/2008 |
| 6961174 | Reflectometer and method for manufacturing a reflectometer A reflection-type graduation having a silicon substrate. The silicon substrate has first subsections formed thereon. Each of the first subsections has etched oblique surfaces. The surfaces are positioned so that light beams directed incident to the surfaces cause no... | 11/01/2005 |
| 6574582 | Electronic calipers having scaling, nominal-value look-up, and geometric-calculation functions An improved set of calipers or dividers having a pair of measurement jaws for measuring the distance between points, a display, and a calculation module which performs calculations or retrieves values for any one or more of the following functions: scalin... | 06/03/2003 |
| 6223136 | Electronic calipers having scaling, nominal-value look-up, and geometric-calculation functions An improved set of calipers or dividers having a pair of measurement jaws for measuring the distance between points, a display, and a calculation module which performs calculations or retrieves values for any one or more of the following functions: scalin... | 04/24/2001 |
| 5152066 | Angle encoder The angle encoder comprises a transmitter disk, which is provided with two circular measuring scales, preferably incremental measuring scales. A scanning unit is associated with each of said measuring scales and during a rotation of said disk relative to ... | 10/06/1992 |
| 5007177 | Incremental measuring system The incremental measuring system comprises a scale member with an incremental scale and a scanning unit comprising scanning sets for generating analog measured-value signals in response to the scanning of the scale. The system also comprises an evaluating... | 04/16/1991 |
| 4974164 | Digital measuring and proportioning instrument A hand-held microcomputer-based ruler-like measuring and calculating instrument, particularly adapted for but not restricted to the graphic arts field, is capable of registering individual size measurements, proportioning successive readings in percent, c... | 11/27/1990 |
| 4922620 | Device for determining the inclination of a plane with respect to theoretical horizontal plane The present invention relates to a device for determining the inclination of a plane with respect to a theoretical horizontal plane, including a box-like body defining a base plane. An inclination detector element is rotatably associated with the box-like... | 05/08/1990 |
| 4736313 | Digital indication type length measuring system A digital indication type length measuring system includes a length measuring device having a spindle which can be brought into abutting contact with a work to be measured, an encoder for representing a displacement of the spindle as an electric signal, a... | 04/05/1988 |
| 4660288 | Coupling device A coupling device for connecting a standard incremental angular motion transducer with two objects to be measured wherein the transducer is of the type comprising a measuring scale with at least one reference mark and a scanning unit operative to scan the... | 04/28/1987 |
| 4616833 | Target shooting game with photoelectric orientation sensing apparatus The apparatus senses the absolute elevation and azimuth of a device, such as a gun in an arcade target shooting game. The gun is fixed to a shaft which is pivotable about horizontal and vertical axes and which is connected by two linkage assemblies, respe... | 10/14/1986 |
| 4595991 | Position measuring method and apparatus A process and apparatus for obtaining harmonic-free periodic signals in an incremental measuring system is disclosed in which a graduation having a graduation period P is scanned by at least six scanning elements (for the case in which the previously dete... | 06/17/1986 |
| 4530155 | Method and apparatus for reproducing a reference position in an incremental measuring device A calibration process and apparatus are disclosed for allowing a reference position to be determined at any time, independent of the momentary position of the two objects movable relative to one another to be measured. One of the two objects to be measure... | 07/23/1985 |
| 4509265 | Turbine blade measurement An invention is disclosed for positioning an object wherein three point supports provide three contact points which define a first plane. Three additional point supports provide three additional contact points which are not coplanar with the first plane a... | 04/09/1985 |
| 4495700 | Apparatus for measuring the angular displacement of two objects relative to each other An apparatus for measuring the angular displacement of two objects relative to each other. The apparatus includes a graduated plate which is attached to a rotatable shaft which is rigidly secured to a first object to be measured. The annular displacement ... | 01/29/1985 |
| 4491829 | Displaying article configuration data This is a display and control system which includes a computer and peripheral hardware for displaying deck board position data and deck board width data on both the upper and lower sides of a pallet. The system includes a row of light emitting diode cells... | 01/01/1985 |
| 4393591 | Optical transducer An optical transducer for determining the angular position of a rotating member relative to a fixed structure, comprises a notched disc 13 rotatable inside a support housing 12, a light emitter 18 and a plurality of photovoltaic cells 19 for detecting the... | 07/19/1983 |
| 4282571 | Electronic distance measurement and displaying apparatus An electronic apparatus for measuring, computing, and displaying linear or angular displacements suited in particular to drafting applications. In display mode, the distance data is entered into the apparatus via a keypad and based on previously entered o... | 08/04/1981 |
| 4158229 | Electronic rule for precise distance measurement and distance setting An instrument for precise measurement and setting of distances has an electronically controlled scale comprising optically active elements, an electronically controlled digital display, and a keyboard. The display and keyboard are mechanically rotatable a... | 06/12/1979 |
