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| Number | Title | Issue Date |
| 6336374 | Device for relative displacement of two elements Arm consisting of angularly displaceable linkages (1, 2, 3), such as a manipulator, having a fixed end carried by a support (4) and a free end carrying a tool or workpiece (7), whereby each hinge is provided with controllable blocking means for the purpos... | 01/08/2002 |
| 4880972 | Fiber-optic measuring apparatus using luminescent material The present invention relates to a fiber-optic measuring apparatus for measuring physical quantities, such as position, speed, acceleration, force, pressure, elongation, temperature, etc., comprising at least one optic fiber for conducting light between a... | 11/14/1989 |
| 4714835 | Optical position-measuring sensor An optical position-measuring sensor has a monolithic structure which includes at least two masses of photoluminescent material, which on excitation emit photoluminescent light with non-identical spectra. The at least two masses are supported in the senso... | 12/22/1987 |
| 4569570 | Optical sensor having atomically localized luminescence centers An optical sensor for detecting changes in physical quantities such as temperature, position, force, level, pressure, flow, acceleration, magnetic or electrical field strength or mechanical deformation, includes a luminescent material built up of atomical... | 02/11/1986 |
| 4562348 | Fiber optical luminescence measuring system for measuring physical quantities with time- or frequency-divided signal information A fiber optical luminescence measuring system for measuring a change in a physical quantity employs a transmitter/receiver unit and a sensor unit for the physical quantity optically linked by at least one optical fiber. The sensor unit is arranged to emit... | 12/31/1985 |
| 4560868 | Fiber optical luminescence sensor for measuring mechanical displacement A fiber optical measuring apparatus suitable for measuring physical quantities such as position, speed, acceleration, force, pressure, elongation, temperature, etc., comprises at least one optical fiber for conducting incident light between an electronic ... | 12/24/1985 |
| 4559643 | Opto-electronic image processor The invention relates to a device for processing optical information of light intensity and/or light polarization and/or phase position and/or spectral composition varying in one, two or three dimensions and possibly varying in time. The processing of the... | 12/17/1985 |
| 4547729 | Optical fiber measuring devices The invention is directed to an optical fiber device for measuring of current and/or voltage, including at least one light conductor for transmitting optical signals between an optical transducer and light generating and light processing circuitry, respec... | 10/15/1985 |
| 4539473 | Optically excitable luminescent sensor elements A sensor element adaptable for measurement of a physical parameter formed of a crystalline material and emitting luminescent spectra upon excitation by light spectra and the influence of said physical parameter. A first layer emitting luminescent spectra ... | 09/03/1985 |
| 4531230 | Optical digitizer/position measuring device The invention relates to an optical transducer for measuring position, angle, and the time dependence of these quantities in one, two or three dimensions, with at least one fiber optical transducer having light-emitting means which feeds incident light to... | 07/23/1985 |
| 4529875 | Fiber-optical measuring apparatus A fiber-optical measuring apparatus for measuring magnetic fields, current, position, and various mechanical quantities consists of a transducer connected to a measuring electronic unit via at least one optical fiber, and the transducer comprises a magnet... | 07/16/1985 |
| 4498004 | Fiber optical measuring device, employing a sensor material with a non-linear intensity response characteristic for measuring physical quantities The invention relates to a measuring device for measuring physical and/or chemical quantities, comprising a measuring transducer and an evaluating electronic unit interconnected by at least one light-conducting fiber, said evaluating electronic unit compr... | 02/05/1985 |
| 4493995 | Fiber optical measuring device with a frequency sensitive transducer The invention relates to a fiber optical measuring device for measuring physical quantities such as temperature and pressure, comprising a measuring transducer comprising a sensor material, an electronic unit comprising an evaluating electronic system, li... | 01/15/1985 |
| 4492860 | Optical measuring device with means for suppressing reflections The present invention relates to an optical measuring device for measuring physical quantities, comprising a measuring transducer and an evaluating electronic unit, interconnected by a light-transmitting system and photo-optic devices for coupling in ligh... | 01/08/1985 |
| 4475240 | Device for simultaneous creation and detection of markings Device for simultaneous generation and detection of markings (e.g. handwriting) comprising at least one marking member and at least one optical sensor, which is arranged to sense at least one optical property of the surface on which the marking is being m... | 10/02/1984 |
| 4473747 | Semiconductor structure for a fiber optical pressure sensing element The present invention relates to an optical sensor element of a solid material for sensing physical quantities such as pressure, which element is excitable to emit photoluminescence on excitation which constitutes a measure of the quantity being sensed. T... | 09/25/1984 |
| 4451730 | Optical measuring apparatus for measuring force or pressure An optical measuring apparatus for measuring force or pressure, having at least one light source, at least one optical fiber for passing light from and to a sensor, and one detector system. The sensor includes a material having pressure- and force-depende... | 05/29/1984 |
| 4446366 | Fiber optic measuring device with compensation for reflections in the fiber optic and with a possibility of simultaneous measurement of several quantities The invention relates to a fiber optic measuring device for measuring physical and chemical quantities. Sensors positioned in the ray path influence the spectral composition of the light in dependence on the quantity to be measured. The sensors are of a m... | 05/01/1984 |
| 4433238 | Optical measurement system for spectral analysis The invention relates to an optical measuring device for measuring physical or chemical quantities which device employs at least one light source, such as a light-emitting diode, in optical connection with a sensor, the spectral properties of which (e.g. ... | 02/21/1984 |
| 4430565 | Correlating fiber optical measuring device The invention relates to a fiber optical measuring device for measuring physical and/or chemical parameters. The device comprises a transducer unit and an evaluating unit, connected via at least one light conductor. One or more light sources in the evalua... | 02/07/1984 |
| 4417140 | Fibre optic measuring device with electrically controlled photoluminescence The invention relates to a fiber-optically coupled measuring device which has an optically energized transducer section which produces signal information in an optical form, the energy supply for the transducer section and the signal information therefrom... | 11/22/1983 |
