| Patent Number |
Title Of Patent |
Date Issued |
| RE37455 |
Axially compact direct drive for storage disk hub |
November 27, 2001 |
| An axial compact direct drive for a storage disk comprises a stator, a rotor carrying a hub for receiving storage disks and a bearing arrangement. The bearing arrangement is disposed at a radially external edge of the hub to rotatably support the hub against axial and radial movement |
| 7423424 |
Method and apparatus for the non-destructive and contactless detection of faults in a test piece |
September 9, 2008 |
| Method for nondestructive and contact-free detection of faults in a test specimen which is moved relative to a probe that detects a periodic electrical signal having a carrier oscillation whose amplitude and/or phase is/are modulated by any fault in the test specimen. The probe signa |
| 7404259 |
Optical position measuring instrument |
July 29, 2008 |
| A position measuring instrument for detecting a relative position, the position measuring instrument including a scale having a measuring graduation extending in a measuring direction and a scanning unit that can be moved in the measuring direction in relation to the scale so as to g |
| 7350309 |
Extendable spacer device |
April 1, 2008 |
| A spacer device for laser-optical measurement of hollow cylinders has at least two, preferably three arms which are coupled or interlaced with one another and which can be moved relative to one another. Each of the arms has a measurement roller on one end which is brought into contact wi |
| 7348546 |
Position measuring system with a scanning unit having a reference pulse signal detection unit |
March 25, 2008 |
| A position measuring system having a scale that includes an incremental graduation track, which extends in a measuring direction, the incremental graduation track having a periodic arrangement of graduation areas with different optical properties and a reference marking in a reference |
| 7154609 |
Interferential position measuring arrangement |
December 26, 2006 |
| An interferential position measuring arrangement including a light source, which emits a beam of rays and an optical element, which converts the beam of rays emitted by the light source into an incoming beam of rays. A scale grating which splits the incoming beam of rays into a first par |
| 7057161 |
Position measuring device |
June 6, 2006 |
| A position measuring device having a scanning device and a scale, wherein the scanning device is movable in relation to the scale in a measuring direction. The scale including a measuring graduation, wherein periodic measuring signals are generated when the scanning device scans the |
| 6910279 |
Holder for a graduated element |
June 28, 2005 |
| A graduated element attachment system in a position measuring system, the graduated element attachment system including a graduated element having a circumferential face and a holder. The holder includes a plurality of resilient elements, wherein each one of the plurality of resilient |
| 6868941 |
Security belt |
March 22, 2005 |
| The invention relates to a security belt, in particular for personal protection, which can be attached and fixed to the human body. The belt comprises at least two belt sections which enable the security belt to be fitted and removed and a fixing element for connecting the belt sections |
| 6718280 |
Measurement device for determining the three-dimensional orientation of a body relative to a ref |
April 6, 2004 |
| The three-dimensional orientation of a body relative to a reference direction is determined with increased accuracy by using a gyro-based azimuth and elevation measurement device which has at least four and preferably eight individual gyros. The individual gyros are positioned such t |
| 6665064 |
Electrooptical measurement device for ascertaining the relative position of bodies or of surface |
December 16, 2003 |
| To detect the relative position of bodies, surfaces or the like, especially those on machines, there is an optoelectronic sensor. The latter reacts to incident light, for example, monochromatic laser light. The available receiving surface is however comparatively small for low-cost or |
| 6552810 |
Optical measuring system |
April 22, 2003 |
| An optical position measuring system for determining the relative position of a first object which can be moved with respect to a second object along a measuring direction includes at least one periodic measuring graduation, which is connected to the first object and a scanning unit whic |
| 6526671 |
Adapter for checking the angular alignment of a roller which is to be precisely supported |
March 4, 2003 |
| An adapter for a precision inspection instrument used for measurement of rollers or rolls in the paper, steel, film industry, without contacting the rollers or rolls. The adapter employs a high pressure fluid, such as compressed air, which emerges through a plurality of nozzles to form a |
| 6516533 |
Device and process for measuring the mutual orientation of hollow cylinder and an assigned cut e |
February 11, 2003 |
| A method and apparatus for measuring the mutual orientation of an optionally oriented hollow cylinder and a cut end of a body containing the hollow cylinder by employing a high-precision laser gyroscope. In using this method, the orientation measurements can be obtained in a more eco |
| 6515294 |
Device for precision alignment of shafts, rollers, axles, spindles or machine tools |
February 4, 2003 |
| A device for precision measurement of shafts, spindles, or the like calls for two surfaces which are combined with one another, of which one is partially reflecting and the other is roughly fully reflecting. These surfaces reflect an incident light beam independently of one another onto |
| 6476914 |
Process and device for ascertaining whether two successive shafts are in alignment |
November 5, 2002 |
| The effectiveness of a method for checking for exact alignment of two successive shafts, axles or the like is improved by the fact the no measures with respect to linearization or temperature compensation are necessary any longer by using a light-sensitive array as the light-sensitiv |
| 6457373 |
Shock protection device for position-measuring probes |
October 1, 2002 |
| The shock protection device prevents damage to optically and micromechanically acting gyroscopes. The gyroscope or precision instrument to be protected can be located in an inner housing shell which is spaced apart from an outer housing shell by elastic elements, and is thereby prote |
| 6434849 |
Method for determining a lateral and/or angular offset between two rotatable parts |
August 20, 2002 |
| Data obtained by rotating a set of sensors attached to rotatable parts or the like, in order to perform an alignment of such rotatable parts, is organized in three dimensional vector form (triplets). Two components of such a three dimensional vector will relate to observed apparent g |
| 6359363 |
Commutator-small power motor |
March 19, 2002 |
| A small commutator motor (1), in particular a blower motor for motor vehicles, has a rotor shaft (2) rotatably mounted in at least one rotor bearing (12) in a motor housing (8, 9). A commutator (18) and an armature winding (21) electrically connected with the commutator (18) are arranged |
| 6252945 |
Method for recording a digitized audio signal, and telephone answering machine |
June 26, 2001 |
| A method for recording a digitized audio signal and a telephone answering machine in which this method can be advantageously employed. A digitized audio signal is written in during a first time segment, and the written-in data are then stored in memory in a storage medium for digital dat |
| 6049378 |
Device and method for mutually aligning bodies |
April 11, 2000 |
| The spatial position of rollers or other mutually adjacent articles is measured or examined by indirect transport of a reference direction. To this end, an adaptor is placed on one of the rollers. The adaptor is equipped with a light source which emits a light beam substantially para |
| 5977214 |
Process for producing duroplastic molding compounds |
November 2, 1999 |
| In the process according to the invention molding compounds based on duroplastic bonding agents are produced thereby that the bonding agents are mixed as a melt with the filler and additive substances. Curing is achieved thereby that the temperature of the mixture during the mixing p |
| 5890474 |
Method and arrangement for checking the operability of a tank-venting system |
April 6, 1999 |
| The invention is directed to a method and arrangement for checking the operability of a vessel. Pressure is introduced into the vessel utilizing a pressure source having operating variables which vary during operation of the pressure source. These operating variables are detected while t |
| 5331483 |
Axially compact direct drive for storage disk hub |
July 19, 1994 |
| An axial compact direct drive for a storage disk comprises a stator, a rotor carrying a hub for receiving storage disks and a bearing arrangement. The bearing arrangement is disposed at a radially external edge of the hub to rotatably support the hub against axial and radial movement |
| 5331245 |
Permanent magnet excited electric motor with improved torque ripple |
July 19, 1994 |
| A brushless direct current motor has a substantially cylindrical, external permanent magnet rotor having a plurality of north poles and south poles. The rotor surrounds a substantially cylindrical stator provided with a plurality of main poles between which auxiliary poles are interspers |
| 5225746 |
Apparatus and method for controlling brushless electric motors |
July 6, 1993 |
| A brushless direct current motor is energized by a power stage. Switches of the power stage are selectively switched by an electronic control device. In order to determine the correct commutation pattern, without using rotor position indicators, the control device is arranged to tap the |
| 5204621 |
Position sensor employing a soft magnetic core |
April 20, 1993 |
| A position sensor using a soft magnetic core and a permanent magnet for detecting linear or rotary movements of a part. In one embodiment, a differential transformer is provided with corresponding windings 3, 4 and 5, which are wound on a tubular carrier member 2. Provided inside the |
| 5170086 |
Electric motor with toothed disk to secure stator core |
December 8, 1992 |
| In an electric motor, a springy disk with internal projections is used to position the iron stator plates of an electric motor by engagement with a soft material of the electric motor bearing support part. The disk is thus fixed with plates of the stator to align the stator plates with t |
