Abstract: A measuring body device is provided for a position/path measurement system, having at least one fixing band, with a first and a second end, to fix the measuring body device to an application. A measuring body in the form of a band is provided with at least one coding layer associated with the fixing band. At least one connecting mechanism fixes the first and second ends of the fixing band relative to one another. The connecting mechanism is a bridge element, fixed or fixable relative to the ends of the fixing band. At least one path storage device is arranged on the bridge element with a first transverse element, a second transverse element, spaced apart from the first transverse element, and a web element which connects the first and second transverse elements and which is integrally connected thereto. A spacing between the first and second transverse elements is determinably adjustable.

Abstract: A body limb measurement device (10) comprising a track (12), a cart (14), and a laser source (16) fixedly attached to the cart. The cart is capable of linearly moving along the track. The device can further include a vertical support (18) having a pivot (20), and the track can comprise a pivot receiver (22), wherein the pivot receiver (22) is rotatably attached to the pivot (20). The track (12) can include units of length measurement (24) embedded therein. The cart (14) can include a reference point (26) to correspond to the units of length measurement, to track the cart's position on the track (12). A method of measuring a body part (28) comprising the steps of moving the cart (14) along the track (12) to measure the distance between a first edge (32) and a second edge (34) of the body part (28).

Abstract: An arrangement for generating a reference impulse for a position measuring device, wherein the position measuring device includes a scale with at least one incremental track and at least one reference mark and a scanning unit for generating position signals by scanning the at least one incremental track and for generating an analog reference impulse by scanning the at least one reference mark. The arrangement includes a reference impulse memory unit that receives the analog reference impulse and stores the received analog reference impulse as a stored reference impulse. The arrangement further includes a reference impulse generating unit in communication with the reference impulse memory unit.

Abstract: In a structure for protecting scale graduations, in which a graduation unit formed on a scale base is protected by a scale cover arranged on the top surface side of the graduation unit, a space between the scale base and the scale cover along the entire lateral periphery of the graduation unit is sealed using an adhesive agent mixed with a powder material such as a glass powder for blocking penetration of graduations-deteriorating components, to form a periphery adhesive layer. The scale cover may be supported on the scale base by a height regulating unit provided along the periphery of the graduation unit, so that variations in encoder output due to unevenness in thickness of the adhesive agent for joining the scale cover with the graduation unit can be prevented.

Abstract: A measurement apparatus (10) for the absolute value determination of lengths or of angles, said apparatus having at least one reading head (14) and a physical scale (12) is provided, which has at least a partial section (18) with a connection (28) for another partial section (18) in a sequential arrangement. In this respect the partial section (18) includes a control unit (30) for the active determination of the position of the reading head (14) proximal to the partial section (18) as well as a storage element (32) in which an own position information of the partial section (18) within the physical scale (12) can be stored.

Abstract: A device comprising a swivel mount and its method of use are described. The device can be used in pairs with a variety of different power tools useful for working on metal or wood. The purpose of the tool is to insure a precise linear alignment between the measuring device and the moving part of the power tool that removes material from the wood or metal. The swivel mount includes a mounting block, a ball shank, and a swivel body mounted on the ball of the shank. The swivel mount attaches to one portion of the measuring device that is linearly adjustable with respect to the material removing part of the power tool. A second swivel mount attaches to a portion of the power tool that maintains a fixed distance with respect to the moving part of the power tool.

Abstract: A linear encoder that includes a housing having: an elongated hollow profile section including a first face end and a second face end; a cap disposed on the first face end; and a seal which is disposed in sealing fashion between the hollow profile section and the cap, wherein the seal includes an electrically conductive connecting element. The linear encoder further includes a scale made of electrically nonconductive material, wherein the scale is disposed inside the housing and the scale includes a measuring graduation that is scannable by a scanning unit, which is movable in a measurement direction relative to the housing. The linear encoder includes a shunt made of electrically conductive material, wherein the shunt is mounted on the scale and extends in the measurement direction and wherein the electrically conductive connecting element is configured so as to establish an electrical connection between the shunt and at least one of the hollow profile section and the cap.

Abstract: An arrangement for a scale, the arrangement including a scale having a measurement graduation that defines a measurement range and a support arranged opposite to the measurement graduation. The arrangement further includes spheres two-dimensionally distributed on the support, wherein the spheres are immovably fixed on the support and to the scale.

Abstract: A linear encoder that includes a scale supporting a measurement graduation and an assembly that includes a support. The scale is fastened on the assembly by a fastener, wherein the fastener has a structure that makes a temperature-dependent linear expansion of the support in relation to the scale possible in case of temperature changes. The linear encoder includes a holder in a position in a measuring direction, wherein the holder fastens the scale to a body to be measured by the linear encoder at a fixed point while bypassing the support. In addition, the assembly is fastened by the support on the body to be measured by the linear encoder.

Abstract: A metrological scale track comprising at least first and second metrological scale track strips. The at least first and second metrological scale track strips are held in a spaced apart relationship by at least one spacer. The at least one spacer is configured to be removed once the at least first and second metrological scale track strips have been secured to a substrate.

Abstract: An absolute position sensor with serial reading, that includes at least one detector capable of detecting transitions in a target pattern present on a member mobile relative to the detector. The sensor includes a shift register capable of storing a predetermined number of consecutive data from the detector, and a mechanism comparing the value of the register to a set of predetermined values each corresponding to a position of the detector relative to the target pattern.

Abstract: A displacement amplifier 10 comprises first and second longitudinally extending elements 12, 22, each having a free portion 14, 24 and a constrained portion 16, 26. The constrained portions 16, 26 of the first and second elements 12, 22 are constrained to move together such that longitudinal displacement of a free portion 14 of one element with respect to the free portion 24 of the other element results in an amplified displacement of the constrained portions 16, 26 relative to a resting position.

Abstract: A coordinate positioning apparatus is described. The coordinate positioning apparatus comprises a mounting surface, a motion guide mountable on the mounting surface, a first member comprising a sensor for sensing scale markings, the first member being mountable on the motion guide, and an encoder scale member comprising a first set of scale markings which are, in use, sensable by the sensor. At least part of the encoder scale member is retained between the mounting surface and the motion guide such that the encoder scale member is supported by the mounting surface at least in the vicinity of the first set of scale markings. The motion guide may be a guide rail or a bearing, for example. En encoder scale member for use with such a coordinate positioning apparatus is also described.

Abstract: A slide operating device (e.g., fader device of a mixer) has a moving block 5 which is slidable along a moving guide 3 and a secondary moving guide 4. The moving guide 3 is composed of a non-magnetic stainless shank 31 and a scale portion 32 formed by magnetizing a permanent magnetic member to have magnetic poles (markings). The moving block 5 is provided with a magnetic sensor 7 opposed to the scale portion 32. The magnetic sensor 7 senses magnetic poles provided on the scale portion 32. Mounting hardware 11A, 11B are provided as stoppers which stop a lever 6a of an operating knob 6. Areas outside a range sandwiched between the stoppers where the magnetic sensor 7 is allowed to travel are dead zones 3A, 3B which do not have magnetic poles.

Abstract: A measuring element with a circular or linear track that encompasses a material measure and a number of sensors for scanning the track is disclosed. At least two scanning heads having the sensors are provided for scanning the track. The track of the measuring element has at least one first and a second partial track which are each provided with a first and a second grating period. For each grating period, one of the scanning heads is equipped with a sensor array that is adjusted to the grating period.

Abstract: For determining positions of a support having a bar code relative to a sensor array, the position of lines in the region of the sensor array is determined at least once and a position is determined therefrom. Thereafter, at least one line of the bar code is selected, a displacement of the position of the at least one selected line in the region of the sensor array is registered and the actual position is calculated therefrom by means of a previously determined position. An incremental and rapid measurement is thus permitted with a bar code and a sensor array.

Abstract: A length measuring device for measuring a relative position of two objects, the length measuring device including a scale in a housing and a scanning unit displaceable in a measuring direction X relative to the scale and the housing, wherein the scanning unit is disposed inside the housing and including a heat-generating electrical component. The length measuring device further including a thermal conduction path designed for transferring heat generated at the heat-generating electrical component to the housing.

Abstract: An arrangement for generating a reference impulse for a position measuring device, wherein the position measuring device includes a scale with at least one incremental track and at least one reference mark and a scanning unit for generating position signals by scanning the at least one incremental track and for generating an analog reference impulse by scanning the at least one reference mark. The arrangement includes a reference impulse memory unit that receives the analog reference impulse and stores the received analog reference impulse as a stored reference impulse.

Abstract: A scanning unit of a position measuring arrangement for scanning a measuring graduation of a scale. The scanning unit includes a base body including an interior space; wherein the base body can be installed, fixed in place, on an object to be measured, wherein the base body comes into contact with a first contact face at a first location of the object to be measured. The scanning unit includes a heat-generating electrical component in the interior and a contact element with a second contact face which, in the course of installing the base body, enters into contact at a second location of the object to be measured. The scanning unit further including a heat-conducting element, which is designed for transferring heat generated by an electrical component from the interior space to the contact element.

Abstract: The present invention is related to an apparatus and a method for the measurement of the vertical position of upper and lower punches, pairwisely associated to a rotatably driven rotor of a rotary tablet press and rotating synchronously with the rotor, which perform a vertical movement in certain regions along the circumference of their rotational movement during a rotation of the rotor. The apparatus features at least one scale arranged on at least one of the upper and/or lower punches, running in parallel to the vertical movement direction of the respective upper and/or lower punch, and at least one reading device associated to the scale, also rotating synchronously with the rotor, by means of which a vertical position of the respective upper and/or lower punch can be measured by reading out the scale. The inventions is furthermore related to a corresponding rotary tablet press and a corresponding method.

Abstract: This invention relates to a method of operating an absolute encoder apparatus comprising a scale having features defining absolute position information in at least one measuring dimension, and a readhead configured to read the features. The method comprises: obtaining at least one representation of at least some of the features defining absolute position information; analysing the at least one representation to determine at least one parameter indicative of the quality of the representation; and providing an output indicative of the relative setup of the scale and readhead based at least in part on the at least one parameter.

Abstract: A metrological scale track comprising at least first and second metrological scale track strips. The at least first and second metrological scale track strips are held in a spaced apart relationship by at least one spacer. The at least one spacer is configured to be removed once the at least first and second metrological scale track strips have been secured to a substrate.

Abstract: A method of determining the eccentricity of an encoder scale member of a rotary encoder includes taking an encoder scale blank having a geometric center and mounting the encoder scale blank centered about a second center. A scale can then be produced on the encoder scale blank thereby forming an encoder scale member. The scale of the encoder scale member is centered about the second center. Any eccentricity between the geometric center and the second center is measured by, for example, measuring any change in the apparent radius of the encoder scale member. The encoder scale member may then be mounted in a working location wherein it is rotated about a third axis. The eccentricity when mounted in the working location may be matched to that measured during manufacture thereof and/or the eccentricity errors arising from both manufacture and mounting of the encoder scale member may be determined.

Abstract: An arrangement for a scale, the arrangement including a scale having a measurement graduation that defines a measurement range and a support arranged opposite to the measurement graduation. The arrangement further includes spheres two-dimensionally distributed on the support, wherein the spheres are immovably fixed on the support and to the scale.

Abstract: A linear scale that is used for displacement measurement is provided. The linear scale includes a scale board, a graduation unit, and an attachment unit. The scale board is made of low expansion ceramics. The graduation unit is fixed to an upper surface of the scale board. The graduation unit is read at the time of measurement. The attachment unit is a unit for attaching the scale board to a base member.

Abstract: Linear guide unit, having a guide carriage (2) which is arranged such that it can be displaced longitudinally on a guide rail (1), and having a length measurement system, the measuring head (3) of which interacts with a measuring scale (4) which is arranged parallel to the guide rail (1), the measuring scale (4) being arranged in a hollow body which carries the measuring scale (4), is arranged at a spacing from the guide rail (1) and is mounted at its ends.

Abstract: The invention relates to a guiding device (3) for guiding a displaceable machine element (1) of a machine. Said guiding device (3) in connected in a mechanically fixed manner to a machine bed (4). A material measure (6) is arranged along at least one part of the guiding device (3) in order to determine a position of the machine element (1). The guiding device (3) and the material measure (6) can be displaced in relation to each other and at least one part of the material measure (6) is in contact with the guiding device (3) either directly or via a bearing (9). The inventive guiding device (3) enables the displaceable machine elements to be positioned in a precise manner even when the machine bed (4) is vibrated. The invention also relates to a machine comprising said type of guiding device (3).

Abstract: A micromovement measuring device has a first element such as a probe tip or flat plate coupled to a test body (107) the movement of which is to be measured. A second element (104) is located adjacent to the first element, to form a gap (108) therebetween. As the test body and the first element gradually move away from the measuring element, so increasing the size of the gap, the second element is repeatedly moved up, to restore the gap to its original size. These repeated small quantized movements of the measuring element (104) are counted, and are used to provide an indication of how far the test body (107) has moved. In other embodiments, the first element may gradually move toward the second element, with the latter repeatedly moving away.

Abstract: The present invention provides a method for measuring a rotation angle of a bonded wafer, wherein a base wafer and a bond wafer each having a notch indicative of a crystal orientation formed at an outer edge thereof are bonded to each other at a desired rotation angle by utilizing the notches, a profile of the bond wafer having a reduced film thickness is observed with respect to a bonded wafer manufactured by reducing a film thickness of the bond wafer, a positional direction of the notch of the bond wafer seen from a center of the bonded wafer is calculated by utilizing the profile, an angle formed between the calculated positional direction of the notch of the bond wafer and a positional direction of the notch of the base wafer is calculated, and a rotation angle of the base wafer and the bond wafer is measured.

Abstract: A rotary encoder for a rotor machine with at least one track with a pulse series for the generation of signal pulses, where a selectable reduction of the signal pulses is possible for the output, and can include a rotor machine with a machine partition and a rotary encoder above. There is also a method by which, using a rotary encoder for a rotor machine, a reduction of the signal pulses to be output is selected, as well as to a method by which the signals of a rotary encoder of a rotor machine are output in accordance with a selected reduction.

Abstract: A linear measuring arrangement for measuring a relative position of two objects, the linear measuring arrangement including guide surfaces, a scale having a measuring graduation and a scanning carriage for scanning the measuring graduation, wherein the scanning carriage is linearly guided in a measuring direction on the guide surfaces. The linear measuring arrangement further including a carrier device which can be fastened to one of the two objects and a coupling, by which the scanning carriage is coupled to the carrier device rigidly in the measuring direction and transversely thereto resiliently. The coupling includes a first coupling element, having a first coupling face, arranged on the scanning carriage and a second coupling element, having a second coupling face, arranged on the carrier device, wherein the second coupling face contacts the first coupling face and wherein at least one of the first and second coupling elements is made of a ceramic material at least in an area of a contact.

Abstract: A linear guide unit is provided having a guide carriage (2) that can be moved in a longitudinal direction on a guide rail (1) and a length measuring system with a measuring head (3) that cooperates with a measuring body (4) arranged parallel to the guide rail (1). The measuring body (4) is located at a distance from the guide rail (1) and arranged within a clearance profile of the linear guide unit.

Abstract: An electronic coordinatometer, including multiple buses, and multiple connecting plates. The bus is formed by multiple rulers connected via the connecting plates, and the rulers have the same length. The coordinatometer is not affected by environment noise or fluctuation of signal level, and is capable of stably operating in harsh environments. Moreover, the coordinatometer is light and no hoisting equipment is required. Production, transportation and installation of the coordinatometer are convenient.

Abstract: The invention comprises a device, about the size of an iPod, this battery-powered device measures distances via an extremely thin wire. The head of the device extends out on a retractable wire. There are no measurements printed on the wire, the distance is calculated and displayed on a very bright, large LED or other type screen. As the wire is extended, a microprocessor calculates the distance and displays it on its screen. Measurements can be viewed (as decimal or fractions), saved and recalled. Mathematical calculations (listed below) can also be performed.

Abstract: A linear measuring arrangement for measuring a relative position of two objects. The linear measuring arrangement includes a unit having a housing and a scale in the housing and a scanning unit, which can be shifted relative to the unit in a measuring direction, wherein the scanning unit is arranged inside the housing and includes a heat-generating electrical component. The arrangement further includes a mounting piece, which is fastened to the scanning unit by a coupling, which is rigid in the measuring direction and resilient transversely thereto, and which extends to a mounting area arranged outside of the housing. The arrangement further includes a heat-conducting element, which is designed for transferring heat generated by the heat generating electrical component to the mounting piece and permits relative movements between the mounting piece and the scanning unit at least transversely to the measuring direction.

Abstract: A micromovement measuring device has a first element such as a probe tip or flat plate coupled to a test body (107) the movement of which is to be measured. A second element (104) is located adjacent to the first element, to form a gap (108) therebetween. As the test body and the first element gradually move away from the measuring element, so increasing the size of the gap, the second element is repeatedly moved up, to restore the gap to its original size. These repeated small quantized movements of the measuring element (104) are counted, and are used to provide an indication of how far the test body (107) has moved. In other embodiments, the first element may gradually move toward the second element, with the latter repeatedly moving away.

Abstract: Disclosed is a linear guiding system (1) comprising at least one guide rail (2), at least one guide carriage (3) that is supported on the guide rail and can be moved therealong, and a device (5) for measuring a distance traveled by the guide carriage relative to the guide rail and/or determining a position of the guide carriage relative to the guide rail. The measuring device (5) encompasses a measuring rule (10) and a measuring head (21) that is provided with at least one sensor for scanning the measuring rule (10). The measuring rule extends in the longitudinal direction of the guide rail while being arranged along or on a surface (2.1) of the guide rail (2) facing the support zone (40) of the guide carriage (3). A cavity (25) for accommodating the measuring head is embodied in the guide carriage. Said cavity (25) is configured entirely or partly outside the support zone (40) while the measuring head (21) is disposed entirely or partly in the cavity (25) and entirely or partly outside the support zone (40).

Abstract: A piezoelectric device is provided at a base member. Regulating apparatus is provided that regulate, of deformations transmitted via the base member to the piezoelectric device, the transmission of a deformation in second directions, which intersect first directions.

Abstract: The present invention Provides a position detector includes a scale provided with a recording medium recorded with information for position detection; a slider disposed to face the recording medium of the scale and to relatively travel along an elongate direction of the scale and provided with a detection sensor for detecting the information of the recording medium, a carrier for carrying the slider, and a posture control mechanism disposed between the carrier and the slider to control slider posture relative to the scale. The posture control mechanism is located on a straight line being vertical to a plane provided with the recording medium facing the detection sensor and passing the detection sensor and biases the slider toward the scale in the direction of the straight line for posture control. The slider is provided with a guide restricting section slidably contact with the scale to restrict a biasing force of the posture control mechanism.

Abstract: A guide rail for a linear bearing has a longitudinal axis, a first and second diametrically opposed lateral surface and a top lateral surface, running surfaces provided on the first and/or second lateral surfaces and extending parallel to the longitudinal axis, for a guide carriage of the linear bearing, and an incremental dimensional standard for a position measuring device provided on one of the lateral surfaces, wherein an absolute dimensional standard is provided on another lateral surface, which is scanable by the position measuring device together with the incremental dimensional standard in order to determine an absolute position.

Abstract: A scale is attached to a carrier by optically contacting. The optically contacting bonds are formed by raised surface regions of the scale set apart from each other. Additional measures, such as the provision of adhesive surfaces, provide a rigid and vibration-resistant joint.

Abstract: A low cost digital ruler with desirable ergonomic characteristics and accuracy. A low friction sliding position indicator includes a compliant element that forces its connection pads against the ruler's electronic scale contacts, to determining measurement positions. The position indicator includes an instrument receiving feature that engages a writing instrument and moves in conjunction with it, thereby measuring a line as it is drawn. A position indicator preload arrangement includes the compliant element, which is deflected to exert a preload that forces the sliding position indicator against a housing of the digital ruler. Alignment features of the position indicator and housing have cross sections that provide a self-aligning angled interference fit, which accurately aligns the sliding position indicator, under the action of the preload force. Misalignment constraint surfaces constrain the sliding position indicator in approximate alignment by, even if an external force overcomes the preload force.

Abstract: An annular body has an angle scale for measuring the rotational position of a machine part about an axis, the body having recesses and projections on its inner circumference, and at least one of the recesses being suited for a form-locking rotatably fixed attachment on the machine part. The sum of the central angles, which are respectively defined by starting points and end points of the projections is smaller than the sum of the central angles, which are respectively defined by the starting points and end points of the recesses. Such a body on a high-speed shaft of a machine tool may be used for measuring the rotational position of the shaft.

Abstract: An electronic coordinatometer, including multiple buses, and multiple connecting plates. The bus is formed by multiple rulers connected via the connecting plates, and the rulers have the same length. The coordinatometer is not affected by environment noise or fluctuation of signal level, and is capable of stably operating in harsh environments. Moreover, the coordinatometer is light and no hoisting equipment is required. Production, transportation and installation of the coordinatometer are convenient.

Abstract: A device for measuring the relative position of a material measure (10) and a reading head (12) is described, in which the material measure (10) has an incremental scale (14); in which the incremental scale (14) is non-magnetically scanned at a high resolution by a scanner (16) belonging to the reading head (12); in which the material measure (10) has permanent magnets (18), which are positioned at equidistant intervals in the direction of measurement and which establish continuous and adjoining segments (20) within the incremental scale (14); in which the magnetic field created by the permanent magnets (18) following each other in succession is recorded by at least one magnetic sensor (24) belonging to the reading head (12); in which the magnitude of the recorded magnetic field (22) is used to assign the position of the reading head (12) to a step of the incremental scale (14) within the segment (20) defined by these permanent magnets (18); and in which a Wiegand wire device (26, 28) belonging to the reading

Abstract: Disclosed is a linear guiding system (1) comprising at least one guide rail (2), at least one guide carriage (3) that is supported on the guide rail and can be moved therealong, and a device (5) for measuring a distance traveled by the guide carriage relative to the guide rail and/or determining a position of the guide carriage relative to the guide rail. The measuring device (5) encompasses a measuring rule (10) and a measuring head (21) that is provided with at least one sensor for scanning the measuring rule (10). The measuring rule extends in the longitudinal direction of the guide rail while being arranged along or on a surface (2.1) of the guide rail (2) facing the support zone (40) of the guide carriage (3). A cavity (25) for accommodating the measuring head is embodied in the guide carriage. Said cavity (25) is configured entirely or partly outside the support zone (40) while the measuring head (21) is disposed entirely or partly in the cavity (25) and entirely or partly outside the support zone (40).

Abstract: A length measuring arrangement for measuring the relative position of two objects, the length measuring arrangement including a housing made of a non-magnetic material and longitudinally extending in a measuring direction. The length measuring arrangement including a scale in the housing, the scale having a measuring graduation, a first guide face and a second guide face which extends perpendicular to the first guide face. A mounting piece attachable to one of the two objects rigidly in the measuring direction and resiliently transversely to the measuring direction. The length measuring arrangement including a scanning carriage that scans the measuring graduation, wherein the scanning carriage is coupled to the mounting piece rigidly in the measuring direction and resiliently transversely to the measuring direction, and the scanning carriage is linearly guided in the measuring direction on the first and second guide faces and is pressed against the first and second guide faces.

Abstract: A rotary absolute value scale includes a rotor in which two rotor side coil patterns provided with different pitches are laminated, and a stator in which two stator side coil patterns provided with different pitches are also laminated. A linear absolute value scale includes a slider in which two slider side coil patterns provided with different pitches are laminated, and a scale in which two scale side coil patterns provided with different pitches are also laminated.

Abstract: A measuring element with a circular or linear track that encompasses a material measure and a number of sensors for scanning the track is disclosed. At least two scanning heads having the sensors are provided for scanning the track. The track of the measuring element has at least one first and a second partial track which are each provided with a first and a second grating period. For each grating period, one of the scanning heads is equipped with a sensor array that is adjusted to the grating period.

Abstract: A package measurement apparatus comprising three measurement devices, one for each dimension. Each measurement device comprises a plurality of signal receptor modules. Each module comprises a row of signal receptor, and a signal energy source. In a first calibration step, the outputs of each receptor are standardized to reference maximums and minimums. In a second calibration step, calibration sets of receptor outputs are created and recorded. During measurement, a measurement set of receptor outputs is obtained and matched with a calibration set of receptor outputs to determine the dimension of an object.