| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 324260000 | Magnetic field detection devices | 46 |
| 20080218164 | AUTOMATED METER READER - A meter reader for reading a meter have a display portion displaying a total output of a quantity being metered and plural incremental outputs defining the total output. The meter reader includes a sensing mechanism for sensing one of the plural incremental outputs in the meter display portion, and a processing unit coupled to the sensing mechanism for accumulating incremental outputs sensed by the sensing mechanism and for determining accumulated meter output over a time period based on the accumulated incremental outputs. Also included is an output mechanism for outputting the accumulated meter output determined by the processing unit. In one example, the sensing mechanism includes a sensor for sensing only a least significant incremental output in usage included in the meter display portion, and an emitter for illuminating the least significant incremental output included in the meter display portion. Further, the sensing mechanism senses the least significant incremental output included in the meter display portion at least once every full cycle of the least significant incremental output. | 09-11-2008 |
| 20080218165 | Microsensor Device - The invention relates to a microsensor device like a magnetic biosensor ( | 09-11-2008 |
| 20080258722 | Sensor Arrangement - Consistent with an example embodiment, devices comprise sensor arrangements with field detectors for detecting components of magnetic fields in planes of the field detectors. The sensor arrangements further include movable objects for, in response to tilting movements, changing at least parts of the components of the magnetic fields in the planes of the field detectors so that the sensor arrangements are made less sensitive to in-plane stray fields by providing the field detectors with saturated field-dependent elements. The movable object may comprise a movable field generator for generating the magnetic field, or the movable object and the field generator may be different objects. The magnetic field is such that the field-dependent element is saturated. The field generator is smaller than the field detector, and the movable object is larger than the field detector, to reduce alignment problems. The movable object has a pivoting point close to the field detector. | 10-23-2008 |
| 20080272771 | Magnetic tunnel junction (MTJ) based magnetic field angle sensor - A magnetic field angle sensor for measurement of a magnetic field angle over a 360° range has magnetic tunnel junction elements oriented at multiple angles. The magnetic field angle sensor includes multiple magnetic tunnel junction elements formed on a substrate that have an anti-ferromagnetic layer and pinned synthetic multiple layer. The magnetic tunnel junction elements are patterned to have a large dimensional aspect ratio and large anisotropies the pinned synthetic multiple layer of the magnetic tunnel junction elements. The magnetic tunnel junction elements are annealed in the presence of a strong magnetic field in a direction of the reference axis and the annealed for a second time with no external magnetic field so that exchange pinning is reduced and strong stress induced anisotropies of the pinned synthetic multiple layer align magnetization of the pinned synthetic multiple layer align a long axis of each of the magnetic tunnel junction elements. | 11-06-2008 |
| 20080309332 | Microchip Assembly With Short-Distance Interaction - The invention relates to a microchip assembly that is particularly applicable for biosensors. According to the invention, short-distance interactions between coupling circuits ( | 12-18-2008 |
| 20090001983 | Magnetic Field Sensing Element - A magnetic field sensing element includes a pair of electrodes; a dielectric polymer layer separating the electrodes; and a network of magnetic nanoparticles in the insulating layer forming a current flow path between the electrodes; where the network of magnetic nanoparticles includes at least one magnetic tunnel junction involving two neighbouring nanoparticles of different coercivity. | 01-01-2009 |
| 20090033324 | MAGNETIC FIELD DETECTING APPARATUS - The magnetic field detecting apparatus is provided with: a magnetic field detecting unit for outputting one of two signals having different potential levels from each other in response to a perpheral magnetic field; an energizing control unit for producing a periodic energizing control signal indicative of timing at which the magnetic field detecting unit is energized by employing a clock signal and another signal obtained by frequency-dividing, or frequency-multiplying the clock signal, and for supplying the produced energizing control signal to the magnetic field detecting unit; a first inverting unit for inverting the potential level of the output signal of the magnetic field detecting unit; and an energizing time period control unit for supplying a time period control signal to the energizing control unit, the time period control signal controlling the time period of the energizing control signal in response to the potential level of the output signal of the magnetic field detecting unit, and the potential level of the signal obtained by inverting the potential level of the output signal by the first inverting unit. The energizing time period control unit supplies any one of two pieces of the energizing control signals whose durations and time periods are different from each other, during which the magnetic field detecting unit is not energized, in response to the potential level of the time period control signal supplied from the energizing time period control unit. | 02-05-2009 |
| 20090066326 | MAGNETIC DEVICE - A magnetic device comprises a magnetic element, a first magnetic field applying means, and a second magnetic field applying means. The first and second magnetic field applying means are disposed on mutually opposite sides of the magnetic element. The magnetic element is, for example, an element in which a soft magnetic film is formed in a meandering shape on a nonmagnetic substrate. The first and second magnetic field applying means create a magnetic field in one direction from the first magnetic field applying means toward the second magnetic field applying means. The bias magnetic field in one direction is thereby applied to the entire soft magnetic film in the magnetic element disposed between the first and second magnetic field applying means. | 03-12-2009 |
| 20090102476 | MAGNETIC FIELD SENSOR - A magnetic field sensor comprises a first and a second carrier foil and a spacer arranged there between. The spacer delimits a sensing region of the sensor in which the first and second carrier foils can be brought together against the their resiliency. At least two electrodes are arranged in the sensing region in such a way that an electrical contact is provided between them when the first and second carrier foils are brought together. The magnetic field sensor further comprises additional magnetisable layer associated with the first or the second carrier foil so that the first and second carrier foils can be brought together in response to a magnetic field. | 04-23-2009 |
| 20090102477 | Detecting arrangement and method for a magnetic gripper device - A detecting arrangement for a magnetic gripper device ( | 04-23-2009 |
| 20090160438 | SYSTEM FOR MEASURING AN ELECTROMAGNETIC FIELD, A CONTROL SYSTEM USING THE MEASURING SYSTEM, AND AN ELECTRONIC CIRCUIT DESIGNED FOR THE MEASURING SYSTEM - This system for measuring an electromagnetic field radiated by an electrical component of an electronic circuit, the electrical component being fixed to a dielectric substrate of the electronic circuit, is wherein a transducer ( | 06-25-2009 |
| 20090315554 | INTEGRATED THREE-DIMENSIONAL MAGNETIC SENSING DEVICE AND METHOD TO FABRICATE AN INTEGRATED THREE-DIMENSIONAL MAGNETIC SENSING DEVICE - A three-axis magnetic sensing device included on a single chip. An example three-axis magnetic sensing device includes first and second sensing components that sense magnetic fields along two orthogonal axes planar to a surface of a substrate and a third sensing component that senses a magnetic field along an axis out of plane of the surface of the substrate. The third sensing component includes a carbon-based material. In one example, the first and second sensing components are anisotropic magnetoresistive sensors. In another example, the carbon-based material includes carbon nanotubes and the third sensing component includes a needle attached to the carbon-based material and electrodes that make contact with the carbon-based material. | 12-24-2009 |
| 20090315555 | Power cable magnetic field sensor - A method and apparatus to detect non-cancelled magnetic field produced when current flows through an electric conductor are provided. The sensor includes multiple coils, which allow the sensor to be arbitrarily oriented and attach to the outside of an electrical power cable. Arbitrary orientation provides for easy of field installation. | 12-24-2009 |
| 20090322325 | Magnetic-Field Sensor - An embodiment of a magnetic-field sensor includes a magnetic-field sensor arrangement and a magnetic body which has, for example, a non-convex cross-sectional area with regard to a cross-sectional plane running through the magnetic body, the magnetic body having an inhomogeneous magnetization. | 12-31-2009 |
| 20100007344 | MTJ based magnetic field sensor with ESD shunt trace - Presented herein is a shunted MTJ sensor formed of a plurality of electrically connected MTJ cells for measuring magnetic fields and currents and its method of fabrication. To provide stable single domain magnetic moments of the MTJ cells and to ensure that the magnetic moments return to a fixed bias point in the absence of external magnetic fields, the cells are formed of sufficiently small size and with elliptical cross-section of aspect ratio greater than 1.2. To eliminate the possibility of ESD damage to the cells, they are protected by a parallel shunt, formed as a trace of sufficiently high resistance that directs accumulated charges harmlessly to ground while bypassing the cells. | 01-14-2010 |
| 20100019763 | Method and Device for Measurement of the Pole Orientation Angle of a Magnetic Levitation Vehicle of a Magnetic Levitation Railroad - A method for measuring the pole position of a magnetic levitation vehicle in a magnetic levitation railway, wherein a supporting magnetic field is generated on the maglev vehicle as a result of a supporting magnetic current on the vehicle side being fed to at least one supporting magnet. The voltage in the stator on the track is measured and the pole position angle between a reference axis of the stator and a reference axis of the maglev vehicle is determined. The magnitude of the supporting magnetic current on the vehicle side and thus the supporting magnetic field is temporally modified and a voltage induced in the stator by the temporal modification of the magnitude of the supporting magnetic field is detected. The pole position angle is formed using the measured values for the induced voltage. | 01-28-2010 |
| 20100026291 | METHOD AND DEVICE FOR MEASURING THE POLE ORIENTATION ANGLE OF A MAGNETIC LEVITATION VEHICLE ON A MAGNETIC LEVITATION TRACK - A method for measuring the pole position of a magnetic levitation vehicle on a magnetic levitation track. The pole orientation angle between the stator magnetic field of a track side stator and the magnetic reference axis of the magnetic levitation vehicle is determined by way of measured values from magnetic field sensors. The measured values for the stator magnetic field are measured using at least three magnetic field sensors, arranged along the vehicle longitudinal direction, a field strength value is determined for each measured value from the magnetic field sensors for each magnetic field sensor position and the pole orientation angle determined from at least a subset of the measured values from the magnetic field sensors when the determined field strength values meet given minimum requirements and, if not, an error signal is generated. | 02-04-2010 |
| 20100045284 | CARBON NANOTUBE ACTUATOR - An actuator capable of flagellar motion is disclosed. The actuator comprises a carbon nanotube (CNT) rope and at least one metal/CNT composite part formed on the CNT rope. | 02-25-2010 |
| 20100045285 | MAGNETIC SENSOR ELEMENT AND MANUFACTURING METHOD THEREOF - A magnetic sensor element has a hard magnetic film | 02-25-2010 |
| 20100045286 | Current detection apparatus - The invention concerns a current detection apparatus for detection of a current flowing through a conductor ( | 02-25-2010 |
| 20100066358 | MAGNETIC SIGNATURE ASSESSMENT - Magnetic signature assessment apparatus for a vehicle comprising sensors for incorporation in the vehicle to measure the magnetic field normal to a closed surface at least approximately bounding the vessel and processing means for calculating from the normal field measurements a scalar magnetic potential outside the surface. Apparatus may be provided on the vehicle to generate a magnetic field to suppress the magnetic signature corresponding to the scalar potential. The invention also extends to corresponding methods and to programs for implementing those methods. | 03-18-2010 |
| 20100066359 | MAGNETIC DETECTION DEVICE AND ELECTRICAL PRODUCT - An integrated circuit is provided with two output terminals and a mode switch circuit which includes a pair of switch terminals. The mode switch circuit is allowed to switch the output mode between the 1-output mode for outputting the (+) magnetic field detection signal and the (−) magnetic field detection signal from the output terminal, and the 2-output mode for outputting the (+) magnetic field signal from the output terminal as one of the output terminals, and the (−) magnetic field detection signal from the output terminal as the other output terminal in accordance with the shortcircuit state or the non-shortcircuit state between the switch terminals. The switch terminals are exposed on the surface of the device, and the shortcircuit state and the non-shortcircuit state may be externally adjusted. | 03-18-2010 |
| 20100072992 | MAGNETIC FIELD SENSOR ARRAY FOR MEASURING SPATIAL COMPONENTS OF A MAGNETIC FIELD - A magnetic field array for measuring spatial components of a magnetic field is proposed, in which with at least one magnetic field sensor utilizing the XMR effect in a magnetoresistive film structure, a further component, perpendicular or nonparallel to the film structure of the magnetic field to be detected, is detectable in that at least one flux concentrator is disposed above the film structure in such a way that the magnetic field lines in the peripheral regions of the flux concentrator are deflectable in such a way that there, the field lines embody a horizontal component of the magnetic field. | 03-25-2010 |
| 20100102810 | MONITORING OF CONVEYOR BELTS - A system for monitoring the condition of a conveyor belt having magnetically permeable cords, has a magnetic field generator for generating a magnetic field to magnetize the cords, in use, a magnetic field sensing unit for sensing the magnetic field provided, in use, by the cords, the sensing unit comprising an array of spaced magnetic field sensors, the spacing of the sensors being sufficiently close to discriminate between adjacent cords. The spacing of the sensors depends on the spacing of the cords, and may be less than half the spacing between cords of a conveyor belt. The sensors may be direction sensitive and the sensors may be oriented in more than one direction, to sense the perpendicular and other components of the magnetic field. | 04-29-2010 |
| 20100109662 | ARRANGEMENT AND METHOD FOR INFLUENCING AND/OR DETECTING MAGNETIC PARTICLES IN A REGION OF ACTION - An arrangement and a method for influencing and/or detecting magnetic particles in a region of action is disclosed, which arrangement comprises: selection means for generating a magnetic selection field having a pattern in space of its magnetic field strength such that a first sub-zone having a low magnetic field strength and a second sub-zone having a higher magnetic field strength are formed in the region of action, drive means for changing the position in space of the two sub-zones in the region of action by means of a magnetic drive field so that the magnetization of the magnetic particles changes locally, wherein the selection means comprise at least one permanent magnet comprising a high resistive permanent magnet material. | 05-06-2010 |
| 20100109663 | MAGNETIC DEVICE - A magnetic device comprises a magnetic element, a first magnetic field applying means, and a second magnetic field applying means. The first and second magnetic field applying means are disposed on mutually opposite sides of the magnetic element. The magnetic element is, for example, an element in which a soft magnetic film is formed in a meandering shape on a nonmagnetic substrate. The first and second magnetic field applying means create a magnetic field in one direction from the first magnetic field applying means toward the second magnetic field applying means. The bias magnetic field in one direction is thereby applied to the entire soft magnetic film in the magnetic element disposed between the first and second magnetic field applying means. | 05-06-2010 |
| 20100176808 | DETECTION OF STRONG STATIC MAGNETIC FIELDS AND MRI EXAMINATION SAFEKEEPING FOR AN IMPLANTABLE CARDIAC PROSTHESIS - An implantable medical device detects a strong static magnetic field associated with an MRI imaging instrument and operates in a safekeeping operating mode. The device ( | 07-15-2010 |
| 20100188079 | DETECTION APPARATUS AND DETECTION METHOD FOR MAGNETIC SUBSTANCE - A magneto-impedance element used for detection of a magnetic substance has a structure that can trap magnetic substances locally in a predetermined band-like region on the lateral surface thereof or a structure that can detect the presence of a magnetic substance based on a change of the impedance in response to application of magnetic fields. The magneto-impedance element is used to provide a detection apparatus and a detection method that can easily detect a magnetic substance with high precision. | 07-29-2010 |
| 20100207625 | CURRENT SENSOR - A current sensor includes an annular magnetic core that includes a closed magnetic path including a void in a portion thereof, and a magnetic body for focusing flux of a magnetic field generated around a conductor that carries a measured current, and a magnetic detecting portion for detecting flux of a magnetic field generated in the void of the magnetic core. The magnetic core includes a plurality of pairs of stepped portions on a pair of opposing end surfaces that form the void, the stepped portions descending along a direction separating from the conductor. | 08-19-2010 |
| 20100244820 | Microchip for detection of poor sources of electrical and magnetic fields - The invention relates to a Microchip for the detection of poor sources of electrical and/or magnetic fields. To detect such poor electrical sources hidden in a body is a difficult problem for which was found a solution by this invention. The invention solves this problem by a Microchip consisting of a plate with parallel rows of recesses, in each recess is a cristall with a magnetic activity, between the rows are one or more wires connected with a voltage source and one or more wires connected with a voltmeter, the whole surface of the plate with the cristals in the recesses and the wires is embeded in a layer of semiconducting polimeres. | 09-30-2010 |
| 20100289490 | ELECTROMAGNETIC DETECTION APPARATUS AND METHODS - Systems and methods for detecting electromagnetic waves are disclosed. A system for detecting such waves includes a device having a first magnetic layer having a fixed magnetization direction, a second magnetic layer having an unfixed magnetization direction responsive to the electromagnetic wave, and a barrier layer positioned between the first and second magnetic layers. The device may have an impedance dependent on a relative angle between the fixed magnetization direction and the unfixed magnetization direction. The system further has a detector configured to detect a change in the impedance indicative of the electromagnetic wave. The electromagnetic wave may be detected by positioning the device in order to detect the electromagnetic wave, determining a change in the impedance of the device, and detecting the electromagnetic wave based on the change in the impedance of the device. Characteristics of the wave such as frequency, power, and phase may also be detected. | 11-18-2010 |
| 20100308816 | PHYSICAL QUANTITY DETECTION DEVICE - Provided is a highly sensitive sensor system that can improve the S/N ratio by use of an electronic circuit without complicating the sensor body or degrading temporal resolution. A broad spectrum sensor element outputs an electric signal corresponding to a detected physical quantity, the sensor driven by multiplying a carrier signal by m-sequence code. The spread spectrum signal, after phase adjustment, is used to demodulate the sensor output signal, which corresponds to the broad spread spectrum of the physical quantity. The electrical noise generated in the sensor is a broad spread spectrum and is suppressed by low-pass filtering so as to improve the S/N ratio. | 12-09-2010 |
| 20110031968 | Three axis field monitor - The gauss meter devices of the present invention are small, low power 3 axis field monitor board which detects DC to slow varying magnetic fields. The unit is designed to be embedded into a system which may be sensitive to magnetic fields and needs to continuously measure the magnitude of the field around it. The unit continuously monitors and logs magnetic fields on X, Y and Z axes and it also logs the vector summation of the X, Y and Z axes. The unit may be controlled and queried by wired serial communication means or by means of an integrated radio frequency (RF) transceiver. The RF transceiver may utilize a proprietary communication protocol or a standard wireless communication protocol such as ZigBee, Bluetooth or any of the IEEE communications standards. The many configuration settings of the device may be changed by the user by issuing commands to the device from an established command set. Novel use is made of solid state electronics to calibrate the unit digitally instead of by the traditional use of mechanical potentiometers, physical trimming of resistors and so forth. Therefore, the units may be calibrated by an automated system. All calibration and configuration data is stored in nonvolatile memory. | 02-10-2011 |
| 20110234219 | METHOD AND DEVICE FOR SENSING MICROWAVE MAGNETIC FIELD POLARIZATION COMPONENTS - A method for sensing a microwave magnetic field polarization component of a microwave field generated by a microwave device, comprises the steps of generating a static magnetic field having a predetermined amplitude and a predetermined direction relative to the microwave magnetic field polarization component to be sensed, preparing an atom cloud of ultracold probe atoms in defined hyperfine levels, wherein the hyperfine levels of the probe atoms are split in transition frequencies by the static magnetic field, applying a microwave pulse including the microwave magnetic field polarization component to be sensed to the atom cloud, wherein a spatial state distribution of the probe atoms is created by Rabi oscillations during the microwave pulse between the hyperfine levels of the probe atoms being resonant with the microwave magnetic field polarization component, and collecting a state image of the probe atoms, said state image depending on the spatial state distribution of the probe atoms and representing the magnetic field polarization component to be sensed. Furthermore, a sensor device being adapted for sensing a microwave field created by a microwave device is described. | 09-29-2011 |
| 20110241666 | MAGNETIC ELEMENT WITH IMPROVED AREAL RESOLUTION - An apparatus and associated method for a magnetic element capable of detecting changes in magnetic states. Various embodiments of the present invention are generally directed to a free layer that has a first areal extent that is sensitive to a magnetic field and a synthetic antiferromagnetic (SAF) layer adjacent to the free layer and has a second areal extent that is greater than the first areal extent. | 10-06-2011 |
| 20120319683 | RADIO WAVE ABSORBER, ELECTROMAGNETIC FIELD MEASUREMENT SYSTEM AND RADIATED IMMUNITY SYSTEM - A radio wave absorber for use in an electromagnetic field probe that measures an electromagnetic field by means of an antenna section provided therewith, the radio wave absorber including: a first end section; a second end section that is located at a position opposite the first end section; and an intermediate section that is located between the first and second end sections, the intermediate section having outer dimension and thickness that increase in accordance with a distance from the first end section toward the second end section. | 12-20-2012 |
| 20130009638 | Apparatus And Method For Reducing A Transient Signal In A Magnetic Field Sensor - A magnetic field sensor includes a compensation loop coupled in series with normal circuit couplings in order to reduce a transient signal that would otherwise be generated when the magnetic field sensor experiences a high rate of change of magnetic field. In some embodiments, the magnetic field sensor is a current sensor responsive to a magnetic field generated by a current-carrying conductor. | 01-10-2013 |
| 20130057276 | PRINTED CIRCUIT BOARD COMPRISING TWO COILS - A printed circuit in which, in going from one end to another, a same conductive line is wound successively: around the first winding axis to form at least one half-turn of a first coil, then around the second winding axis to form at least one half-turn of a second coil, then around the first winding axis to form at least one half-turn of a first coil, then around the second winding axis to form at least one half-turn of a second coil. | 03-07-2013 |
| 20130069642 | Magnetic Sensor With Conducting Bevel - Various embodiments can have a magnetically responsive stack positioned on an air bearing surface (ABS) and disposed between at least first and second magnetic shields. Each magnetic shield may have a beveled portion distal to the ABS. The magnetically responsive stack can have a cross-track magnetization anisotropy proximal to the ABS. | 03-21-2013 |
| 20130093421 | MAGNETIC FIELD MEASUREMENT APPARATUS - A magnetic field measurement apparatus includes an irradiation portion, a gas cell, a measurement unit (polarization separation unit, light receiving portion, signal processing circuit), and a magnetic shield. The magnetic shield is formed in a elongated hollow shape having openings at both sides thereof. The gas cell, in which gaseous atoms are sealed, is disposed in a hollow area of the magnetic shield. The irradiation portion irradiates irradiation light including linearly polarized light adjusted so that the vibration direction of an electric field coincides with the axis direction of the magnetic shield onto the gaseous atoms sealed in the gas cell along a direction perpendicular to the axis of the magnetic shield. The measurement unit measures a rotational angle of a polarization plane of the irradiation light that has been irradiated by the irradiation portion and passed through the gaseous atoms. | 04-18-2013 |
| 20130249546 | INTEGRATED CIRCUIT PACKAGE HAVING A SPLIT LEAD FRAME - A magnetic field sensor includes a lead frame having a plurality of leads, at least two of which have a connection portion and a die attach portion. A semiconductor die is attached to the die attach portion of the at least two leads. In some embodiments, at least one passive component is attached to the die attach portion of at least two leads. | 09-26-2013 |
| 20130265041 | HIGH ACCURACY DIFFERENTIAL CURRENT SENSOR FOR APPLICATIONS LIKE GROUND FAULT INTERRUPTERS - A sensor with multiple magnetic field sensing elements for use in current sensing and other applications is presented. In one configuration, the sensor can obtain differential and absolute current measurements of current in current-carrying conductors. When employed in a ground fault interrupter (GFI) application, a first magnetic field sensing element can be used to measure the absolute current flowing in the phase conductor (phase current), a second magnetic field sensing element can be used to measure the absolute current flowing in the neutral conductor (neutral current) and a difference between the phase and neutral currents can be measured by a third magnetic field sensing element or determined from measurements of the first and second magnetic field sensing elements. In another configuration, the sensor can obtain a measure of the difference between currents and/or the sum of currents in current-carrying conductors. | 10-10-2013 |
| 20160169940 | MAGNETIC FIELD CURRENT SENSORS | 06-16-2016 |
| 324261000 | With support for article | 3 |
| 20100039108 | MEASURING ARRANGEMENT - A measuring arrangement is provided with a magnetic field-sensitive sensor ( | 02-18-2010 |
| 20110074407 | PATIENT POSITIONING COUCH AND COMBINED MEDICAL EXAMINATION DEVICE WITH A PATIENT POSITIONING COUCH - A patient positioning couch for a combined medical examination device is disclosed. In at least one embodiment, at least one opening is provided in a support plate of the patient positioning couch and the patient positioning couch includes at least one conveyor belt in order to move a patient on the support plate in the longitudinal direction. | 03-31-2011 |
| 20130069643 | TURN-TWIST APPARATUS REVEALING CURVATURE AND TORSION OF THE MAGNETIC FIELD - An apparatus for observing turns and twists in magnetic phenomena including a nonferrous box, a stationary platform set in the middle of the box with a post to support a magnet, a right-hand and a left-hand screws united with coupling and having moving platforms at equal distance from the middle fixed platform with posts to support the specimen, the specimen poised by the magnetic field, and to hover the specimen move the platforms back and forth in continuous and intermittent motions, dc stepper motor to provide the motion, and controlled by power supply, push button switches, and limit switches. | 03-21-2013 |
