子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 201 | Communication through a barrier | US12335658 | 2008-12-16 | US20090156119A1 | 2009-06-18 | Mark Rhodes; Brendan Hyland |
| A magnetic flux coupling transducer system comprising a primary coil (51) and primary coupling core (52) and a secondary coil (54) and secondary coupling core (55) for passing communications signals and/or electrical power from one side of an electrically conductive barrier to receiving equipment on the other side. | ||||||
| 202 | MAGNETIC CORE FOR TESTING MAGNETIC SENSORS | US11850851 | 2007-09-06 | US20090066465A1 | 2009-03-12 | Udo Ausserlechner; Michael Holliber |
| A magnetic core for testing a magnetic sensor includes a base portion, and first, second, and third legs extending from the base portion. At least one coil generates magnetic flux through the magnetic core and into the magnetic sensor. The base portion and the first, second, and third legs are formed as a single piece without bonding joints therebetween. | ||||||
| 203 | ELECTRIC REACTOR OF CONTROLLED REACTIVE POWER AND METHOD TO ADJUST THE REACTIVE POWER | US11673437 | 2007-02-09 | US20080068119A1 | 2008-03-20 | Jesus Avila Montes; Raymundo Carrasco Aguirre |
| An electric reactor of controlled reactive power is formed by a magnetic core, and at least one primary winding to which a main current is supplied to generate a main magnetic flow on the magnetic core. The reactor also includes at least a generator of the magnetic distortion field to which a control current is supplied to generate a field of magnetic distortion on the magnetic core. The magnetic distortion field is opposed to the main magnetic flow generating a distortion of the latter, achieving a change in the magnetic core reluctance and in this way a change in the reactive power of consumption of the reactor. In addition, a method is described to adjust the reactive power in an electric reactor. | ||||||
| 204 | Ferro-magnetic force field generator | US10362213 | 2002-06-12 | US07286033B2 | 2007-10-23 | Osamu Ozaki; Tsukasa Kiyoshi; Shinji Matsumoto; Hitoshi Wada |
| A strong-magnetic-force field generating device is provided which can increase a magnetic force field and which can make the magnetic force field spatially uniform without adding an additional superconducting magnet to a commercially-available superconducting magnet. In the strong-magnetic-force field generating device, a disc ferromagnetic element is arranged inside a bore and above the equatorial plane thereof in a solenoid superconducting magnet, whose central axis is directed in a vertical direction, so as to be symmetric with respect to the central axis; and a ring ferromagnetic element is arranged above the disc ferromagnetic element so as to be out of contact with the disc ferromagnetic element and so as to be symmetric with respect to the central axis. | ||||||
| 205 | Three-axis antenna, antenna unit, and receiving device | US10592428 | 2005-03-10 | US20070195001A1 | 2007-08-23 | Hozumi Ueda |
| To achieve sensitivity not deviating in any of XYZ directions. A three-axis antenna with a cross-shaped core (2) having a pair of X-axis arms (22a, 22b) projecting in the X-axis direction in an orthogonal coordinate system and a pair of Y-axis arms (23a, 23b) projecting in the Y-axis direction orthogonal to the X-axis direction, and having Z-axis winding wire (26) provided in a substantially rectangular frame shape, outside the head sections of the X-axis arms (22a, 22b) and the head sections of the Y-axis arms (23a, 23b). The Z-axis winding wire is housed in a case having the bottom so as to cover the entire parts of head surfaces of the X-axis arms (22a, 22b) and of head surfaces of the Y-axis arms (23a, 23b). | ||||||
| 206 | Power supply system | US11585219 | 2006-10-24 | US20070091519A1 | 2007-04-26 | Hideaki Abe; Hiroyasu Kitamura; Mikihiro Yamashita |
| A power supply system is capable of feeding electric power from a power adapter to a plurality of load devices. The power adapter includes a primary core; and a primary coil wound around the primary core for serving as a output port of the power adapter to output an alternating current. The load devices include secondary cores for simultaneously forming magnetic circuits between the primary core and the load devices; and secondary coils wound around the secondary cores for feeding output power to the load devices. The primary core has two pairs of protrusions, and the secondary cores are arranged on opposite sides of the primary core in such a manner that the primary core lies between the secondary cores to feed electric power simultaneously to the load devices. | ||||||
| 207 | Remote access device having multiple inductive coil antenna | US10396062 | 2003-03-25 | US20030210198A1 | 2003-11-13 | John S. Nantz; Qingfeng Tang; Qing Li; Bruce D. Conner; Keith A. Walker; Artem Melkumov; Ronald O. King; Riad Ghabra; Matthew Honkanen; Salman Khreizat |
| A remote access device which may comprise an antenna having a first inductor with a first axis, a second inductor with a second axis, and a third inductor with a third axis, where the first, second and third axes may be oriented substantially perpendicular to each other, respectively, such that the first inductor generates a first magnetic field associated with a first plane, the second inductor generates a second magnetic field associated with a second plane different than the first plane, and the third inductor generates a third magnetic field associated with a third plane different than the first and second planes. The remote access device preferably includes a single form for the first, second and third inductors, where the first, second and third inductors are each wound on the form. | ||||||
| 208 | Method for manufacturing a magnetic pulse generator | US224074 | 1994-04-07 | US6120617A | 2000-09-19 | Gernot Hausch; Christian Radeloff; Gerd Rauscher |
| For manufacturing a pulse generator wherein a voltage pulse dependent on the change in magnetic field can be achieved by sudden magnetic reversal (Barkhausen skip) given an applied magnetic field, an iron alloy is employed for one of the materials of the composite member, the additional alloy constituents of this iron alloy being selected such that a structural conversion with volume change respectively occurs at different temperatures. For producing the stressed condition, a thermal treatment is then implemented, which includes heating above the upper transition temperature and a cooling below the lower transition temperature. As a result, substantially greater stresses between the materials of the composite member arise, causing a pulse behavior significantly improved in comparison to known pulse generators of the type capable of recognizing constant or alternating magnetic fields. | ||||||
| 209 | Structure of optical passive device and assembling method therefor | US699213 | 1996-08-19 | US5867314A | 1999-02-02 | Yuko Ota; Koyu Takahashi; Shigetaka Goto; Mototsugu Goto; Terushi Otani |
| A hollow magnetic member includes a plurality of separate magnetic pieces. A parting surface between such pieces is defined by a plane parallel to or defining an angle of not more than forty-five (45) degrees with a center axis of the magnetic member. A holder for supporting a polarizer has such a cross section defined by a part of a cylinder cut away along a plane parallel to or defining an angle of not more than forty-five (45) degrees with the center axis thereof. A notched portion is formed in a cutting surface for containing the polarizer. A jig for assembly includes a base for holding the holder and a plate for positioning optical elements such as the polarizer. The holder is disposed in a recess in the base with the notched portion directed upward. A bonding material is applied to the notched portion prior to installation of the polarizer. The plate is placed on the base by inserting pins through holes, and then a screw is engaged with a tapped hole. The polarizer is inserted through an opening in the plate and is received in the notched portion positioned just below the opening. | ||||||
| 210 | Latching electromagnet | US824583 | 1997-03-26 | US5781090A | 1998-07-14 | C. Nickolas Goloff; Rodney L. Rolffs |
| A latching electromagnet is provided. The electromagnet (300) includes a core (305) having a pole face, a coil of windings (325), and an armature (330). Advantageously, the core has a geometry that locally increases the magnetic flux density to saturation levels. | ||||||
| 211 | Soft magnetic alloy, method for making, magnetic core, magnetic shield and compressed powder core using the same | US926389 | 1992-08-10 | US5252148A | 1993-10-12 | Masao Shigeta; Asako Kajita; Ippo Hirai; Tsutomu Choh |
| A soft magnetic alloy having a composition of general formula:(Fe.sub.1-a Ni.sub.a).sub.100-x-y-z-p-q Cu.sub.x Si.sub.y B.sub.z Cr.sub.p M.sup.1.sub.q (I)wherein M.sup.1 is V or Mn or a mixture of V and Mn, 0.ltoreq.a.ltoreq.0.5, 0.1.ltoreq.x.ltoreq.5, 6.ltoreq.y.ltoreq.20, 6.ltoreq.z.ltoreq.20, 15.ltoreq.y+z.ltoreq.30, 0.5.ltoreq.p.ltoreq.10, and 0.5.ltoreq.q.ltoreq.10 and possessing a fine crystalline phase is suitable as a core, especially a wound core and a compressed powder core. | ||||||
| 212 | Lead frame and electronic device employing the same | US470792 | 1990-01-25 | US5121300A | 1992-06-09 | Ichio Shimizu |
| A lead frame and an electronic device incorporating the lead frame wherein the lead frame includes a chip support and a plurality of leads arranged around the chip support with each of the plurality of leads having one end disposed proximate to the chip support. The one end of at least one of the plurality of leads includes a first lead portion extending in a direction toward the chip support and a second lead portion contiguous with the first lead portion. The second lead portion extends in a direction away from the chip support so that the one of the lead has a bent shape. | ||||||
| 213 | Fine-crystalline iron-based alloy core for an interface transformer | US497927 | 1990-03-23 | US5074932A | 1991-12-24 | Johannes Binkofski; Diemtar Graetzer; Giselher Herzer; Hans-Reiner Hilzinger; Joerg Petzold |
| In an ISDN digital communications system, the transmission between the network termination and the terminal equipment ensues via what is referred to as the S.sub.o interface, on the basis of interface transformers. Since the power supply of the terminal equipment likewise partly ensues via these transformers, a current asymmetry in the lines results in a pre-magnetization of the transformers. Thus, the ISDN demands made of the transformers must also be satisfied given a DC pre-magnetization. Compact transformers having a simple winding format that satisfy the ISDN demands are set forth, the transformers utilizing a magnetic core having a fine-crystalline iron-based alloy with an iron part of more than 60 atomic %, the structure thereof being more than 50% fine-crystalline grains having a grain size of less than 100 nm and having a remanence ratio of less than 0.2 and a permeability in the range from 20,000 to 50,000, and an inductance of less than 100 pF. | ||||||
| 214 | Iron rich metallic glasses having saturation induction and superior soft ferromagnetic properties at high magnetization rates | US537221 | 1990-06-13 | US5062909A | 1991-11-05 | V. R. V. Ramanan; Carl H. Smith |
| A magnetic metallic glass alloy exhibits, in combination, high saturation induction and low magnetic anisotropy energy. The alloy has a composition described by the formula Fe.sub.a Co.sub.b B.sub.c Si.sub.d C.sub.e, where "a"-"e" are in atom percent, "a" ranges from about 72 to about 84, "b" ranges from about 2 to about 8, "c" ranges from about 11 to about 16, "d" ranges from about 1 to about 4, and "e" ranges from 0 to about 4, with up to about 1 atom percent of Mn being optionally present. Such an alloy is especially suited for use in large magnetic cores associated with pulse power applications requiring high magnetization rates. Examples of such applications include high power pulse sources for linear induction particle accelerators, induction modules for coupling energy from the pulse source to the beam of these accelerators, magnetic switches in power generators in inertial confinement fusion research, magnetic modulators for driving excimer lasers, and the like. | ||||||
| 215 | Yoke | US13570 | 1987-02-11 | US4857875A | 1989-08-15 | Kenichi Matsuo; Muneo Nakata; Toru Ohara |
| As thin type yoke having excellent magnetic characteristic to including a pair of yoke segments having a wide iron segment attracting part which is extended and bent at the one end of a coil winding part, wherein said coil winding part is offset in the lateral direction and the end part thereof is mutually and placed in contact with the wide iron segment attracting part of the other yoke segment. | ||||||
| 216 | Position-electrical signal transducer | US215347 | 1980-12-11 | US4381506A | 1983-04-26 | Karl-Otto Linn; Walter Jansche; Dietrich Adolph; Artur Dannemann |
| To provide a rugged vibration and shock-insensitive position transducer, a coil is wound on a lamella-like carrier which has a body element of electrically insulating material on which, at least on one surface, a foil of magnetically highly permeable material is positioned; these lamella-foil combinations can be stacked, or a unitary body which foils on both sides can be provided. A short-circuit ring, movable along the core, changes the inductance of the coil wound thereon, the value of which can be determined by energizing the coil with alternating current. | ||||||
| 217 | Magnetic core comprised of low-retentivity amorphous alloy | US57971 | 1979-07-16 | US4265684A | 1981-05-05 | Richard Boll |
| An amorphous alloy core is converted into a crystalline state at least at one zone along the core body and such zone extends at least over a portion of the core cross-section at such zone. The zone converted into the crystalline state functions as an air gap of prior art crystalline low-retentivity alloy cores, because the permeability in the crystalline state is significantly lower than in the amorphous state. Magnetic cores formed in accordance with the principles of the invention are suitable in applications wherever a sheared hysteresis loop is required. | ||||||
| 218 | Electromagnetic actuating device | US15306410 | 2015-03-06 | US10121578B2 | 2018-11-06 | Markus Kinscher; Jens Hoppe |
| A electromagnetic actuating device for a valve, having an armature arranged in a hollow cylindrical armature chamber axially displaceable between two axial stops, wherein the armature chamber is delimited by a magnet yoke. An electrical coil extends coaxially around the armature, and the magnet yoke is at least partially arranged in a housing. The armature has a cylindrical geometry with a base remote from the housing and with a hollow cylindrical end section situated axially opposite. The base is remote from the housing and connected to an actuating plunger. A guide sleeve is mounted axially onto the hollow cylindrical end section of the armature, and on that end of the guide sleeve which is remote from the actuating plunger, there is arranged or formed an adhesion prevention device which prevents or at least greatly impedes axial adhesion of the armature to the magnet yoke. The guide sleeve makes it possible to realize a reduction in width of the parasitic air gap between the armature and the magnet yoke in order to increase the actuating forces of the actuating device with simultaneously reduced number of components. | ||||||
| 219 | MAGNETIC SENSOR | US15825289 | 2017-11-29 | US20180275215A1 | 2018-09-27 | Keisuke UCHIDA; Hiraku HIRABAYASHI |
| The magnetic sensor can prevent an increase of a positional detection error of a subject/object even in the case of applying an external magnetic field with a magnetic field intensity exceeding a predetermined range. A magnetic sensor is equipped with a magnetoresistive effect element (MR element) 11 that can detect an external magnetic field and a soft magnetic body shield 12. The soft magnetic body shield(s) 12 are/is positioned above and/or below the MR element 11 in a side view, and the size of the MR element 11 is physically included within a perimeter of the soft magnetic body shield 12. | ||||||
| 220 | Magnetic core for transformer | US14356886 | 2012-03-20 | US10008312B2 | 2018-06-26 | Baojun Wang |
| A magnetic core for a transformer, which includes a closed ring with a thick part and a thin part. The thin part is magnetically saturated before the thick part when excited by the same increasing magnetic fields. The thin part only operates briefly at or near first quadrant saturation point or a third quadrant saturation point and, for the rest of the time, it operates in a state between the first quadrant saturation point and the third quadrant saturation point. The present invention overcomes the drawbacks of the conventional magnetic core for a self-excitation push-pull type converter, and significantly improves the efficiency of the converter when it is under a light load, and further improves its efficiency while under a rated load. As the number of turns of the coil on the magnetic saturation transformer is reduced, the working frequency of the converter is improved while still keeping the loss low. | ||||||
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