Patent application number | Description | Published |
20090083776 | Disk Device - A disk device includes: a traverse chassis, one end of which is configured to be movable between a first position and a second position in a first direction; a cam member, formed with a cam groove configured to move in a second direction orthogonal to the first direction and having a first end and a second end; a cam follower fitted with the cam groove so as to be movable between the first end and the second end in accordance with the movement of the cam member; a guide member, having a guide face configured to guide the cam follower in the first direction in cooperation with the cam member; and an urging member, configured to urge the cam follower against an inner wall of the cam groove and the guide face when the cam follower is placed in the first end. | 03-26-2009 |
20090100451 | GEAR MECHANISM AND DISK TRAY DEVICE - A gear mechanism includes a first rack, a second rack and a gear component. The first rack is provided to a disk tray that is configured to move between a retracted position and an ejected position. The second rack is provided to a slider that is configured to reciprocally move between a first end position and a second end position. The gear component has a first gear, a second gear and an input gear. The first gear selectively meshes with the first rack to move the disk tray between the retracted position and the ejected position. The second gear selectively meshes with the second rack to move the slider between the first end position and the second end position. The input gear operatively coupled to the first and second gears. The first gear and the second gear have equal number of teeth and different modules. | 04-16-2009 |
20120204194 | DRIVE DEVICE FOR OPTICAL DISC APPARATUS - A drive device for an optical disc apparatus, wherein the tooth comprises a tooth body fixed to an optical pickup; support pieces projecting from the tooth body toward a lead screw; resin spring pieces extending from the support pieces in a direction orthogonal to the axial direction of the lead screw; a plate part formed in a direction parallel to the axial direction of the lead screw from the resin spring pieces; meshing cogs formed on the plate part on the side near the lead screw; a cover projecting above the lead screw from the plate part disposed above the meshing cogs, straddling the lead screw, and bending sharply downward at the distal end; and a handle projecting from the tooth body. | 08-09-2012 |
20120204195 | DRIVE DEVICE FOR OPTICAL DISC APPARATUS - A drive device for an optical disc apparatus, wherein the tooth comprises a tooth body fixed to an optical pickup, two support pieces projecting from the tooth body toward a lead screw, two resin spring pieces provided with a base part on the projecting end of each of the support pieces and extending in a direction orthogonal to the axial direction of the lead screw, a plate part having a base part on the extending ends of the resin spring pieces and formed in a direction parallel to the axial direction of the lead screw, meshing cogs formed on the plate part on the side near the lead screw, and a linking part formed across the space between the resin spring pieces. | 08-09-2012 |
20120204196 | DRIVE DEVICE FOR OPTICAL DISC APPARATUS - A drive device for an optical disc apparatus comprising: a lever arm for supporting a traverse chassis while allowing the traverse chassis to be raised and lowered; and a cam slider in cam engagement with the lever arm, the cam slider moving in a direction substantially orthogonal to a movement direction of the lever arm to cause the lever arm to move up and down; wherein the lever arm is provided with a boss projecting toward the cam slider, and a supported part supported by the cam slider in a chucked position of an optical disc; and wherein the cam slider is provided with a groove in engagement with the boss, and a support part for supporting the supported part in the chucked position of the optical disc. | 08-09-2012 |
20120204198 | DRIVE DEVICE FOR OPTICAL DISC APPARATUS - A drive device for an optical disc apparatus, comprising: a traverse chassis; a vertically moving lever arm for covering part of the lower surface of the traverse chassis and supporting the traverse chassis; a first circuit board disposed on the upper surface of the traverse chassis; a second circuit board disposed on the lower surface of the traverse chassis; and a flexible cable that passes between the traverse chassis and the lever arm, is connected by one end thereof to the first circuit board, and is connected by the other end thereof to the second circuit board; wherein an opening that has a greater width than the width of the flexible cable is provided to a section of the lever arm in contact with the flexible cable. | 08-09-2012 |
20120324486 | OPTICAL DISC DEVICE - An optical disc device comprises a disc clamper. The disc clamper is provided with: a first member provided with a first circular disc, and with a plurality of upstanding pieces formed with predetermined spaces therebetween along a circle concentric to the first circular disc, the upstanding pieces having an engaging claw at the distal end thereof; and a second member provided with a second circular disc in which are formed a plurality of through-holes into which the plurality of upstanding pieces are inserted, and with a plurality of peripheral walls formed with predetermined spaces therebetween along a circle concentric to the second circular disc. Rotation in a state where the upstanding pieces have been inserted into the through-holes through the spaces between the peripheral walls causes the engaging claws to engage the peripheral walls. | 12-20-2012 |
20130227593 | DISK DEVICE - In a disk device, a disk is held between a flap and a conveyance roller conveying the disk into a loader chassis. The loader chassis includes a lid panel including a spring seat to which a holddown spring that presses the flap toward the conveyance roller is attached. The spring seat includes an L-shaped frame including a support panel (formed at an edge of an opening,) and a support shaft panel perpendicularly bent from an end of the support panel, the L-shaped frame being pulled to rise toward the flap by bending the support panel. A sloped guide edge is formed by cutting an end side of a lid-panel-side edge of the support shaft panel including a stopper portion and a support shaft main body. A coil portion of the holddown spring is moved along the sloped guide edge to be fitted onto the support shaft main body. | 08-29-2013 |
Patent application number | Description | Published |
20100270865 | MAGNETIC COUPLING TYPE ISOLATOR - A magnetic coupling type isolator includes: a magnetic field generator for generating an external magnetic field by an input signal; a magnetoresistive element for detecting the external magnetic field and converting the detected magnetic field into an electric signal, the magnetoresistive element being electrically insulated from the magnetic field generator and positioned in a location capable of being magnetically coupled so as to be overlapped with the magnetic field generator as seen in a top plan view; and first and second shield films overlapped with the magnetic field generator and the magnetoresistive element as seen in a top plan view, wherein a distance between the magnetoresistive element and the second shield film is set to 8 to 100 μm. | 10-28-2010 |
20100270866 | MAGNETIC COUPLING TYPE ISOLATOR - A magnetic coupling type isolator includes: a magnetic field generator for generating an external magnetic field by an input signal; a magnetoresistive element for detecting the external magnetic field and converting the detected magnetic field into an electric signal, the magnetoresistive element being electrically insulated from the magnetic field generator and positioned in a location capable of being magnetically coupled so as to be overlapped with the magnetic field generator as seen in a top plan view; first and second shield films overlapped with the magnetic field generator and the magnetoresistive element as seen in a top plan view; and a third shield film disposed to surround the magnetoresistive element. | 10-28-2010 |
20110080165 | MAGNETIC BALANCE TYPE CURRENT SENSOR - A magnetic balance type current sensor measures a measured current which flows in a feedback coil when electrical conduction is provided by a voltage difference according to an induction magnetic field from the measured current and an equilibrium state is reached in which the induction magnetic field and a cancel magnetic field cancel each other. Sensor elements in a pair are arranged at positions with magnetic field from the measured current. The magnetization direction of the pinned magnetic layer in the magnetoresistive effect element of one sensor element is aligned in a forward direction with respect to the magnetic field formed by the measured current. The magnetization direction of the pinned magnetic layer in the magnetoresistive effect element of the other sensor element is aligned in a reverse direction with respect to the magnetic field formed by the measured current. | 04-07-2011 |
20110221435 | MAGNETIC SENSOR AND MAGNETIC BALANCE TYPE CURRENT SENSOR INCLUDING THE SAME - A magnetic sensor includes a magnetoresistance effect element and a hard bias layer. The magnetoresistance effect element is configured to have a striped form which has a sensitivity axis in a predetermined direction, and configured to have a structure in which a free magnetic layer, in which magnetization varies with respect to an external magnetic field, a non-magnetic layer, and a fixed magnetic layer, in which the magnetization is fixed, are laminated. The hard bias layer is disposed in a longitudinal direction of the striped form, disposed outside of the magnetoresistance effect element to be separated from the magnetoresistance effect element. | 09-15-2011 |
20110221436 | CURRENT SENSOR - A current sensor including a magnetic detecting bridge circuit which is constituted of four magneto-resistance effect elements with a resistance value varied by application of an induced magnetic field from a current to be measured, and which has an output between two magneto-resistance effect elements. The four magneto-resistance effect elements have the same resistance change rate, and include a self-pinned type ferromagnetic fixed layer which is formed by anti-ferromagnetically coupling a first ferromagnetic film and a second ferromagnetic film via an antiparallel coupling film therebetween, a nonmagnetic intermediate layer, and a soft magnetic free layer. Magnetization directions of the ferromagnetic fixed layers of the two magneto-resistance effect elements providing the output are different from each other by 180°. The magnetic detecting bridge circuit has wiring symmetrical to a power supply point. | 09-15-2011 |
20120062215 | MAGNETIC-BALANCE-SYSTEM CURRENT SENSOR - A magnetic-balance-system current sensor includes: a magnetoresistive element, a resistance value of the magnetoresistive element being changed by applying an induction magnetic field generated by a measurement target current; magnetic cores disposed near the magnetoresistive element; a feedback coil disposed near the magnetoresistive element and configured to generate a cancelling magnetic field that cancels out the induction magnetic field; and a magnetic-field detecting bridge circuit having two outputs. The measurement target current is measured on the basis of a current flowing through the feedback coil when the induction magnetic field and the induction magnetic field and the cancelling magnetic field cancel each other out. The feedback coil, the magnetic cores, and the magnetic-field detecting bridge circuit are formed on a same substrate. The feedback coil is of a spiral type, and the magnetic cores are provided above and below the feedback coil. | 03-15-2012 |
20120062224 | MAGNETIC BALANCE TYPE CURRENT SENSOR - A magnetic balance type current sensor includes a magnetoresistance effect element whose resistance value changes owing to the application of an induction magnetic field from a current to be measured; a feedback coil disposed in the vicinity of the magnetoresistance effect element and generating a cancelling magnetic field cancelling out the induction magnetic field; a magnetic field detection bridge circuit including two outputs causing a voltage difference corresponding to the induction magnetic field to occur; and a magnetic shield attenuating the induction magnetic field and enhancing the cancelling magnetic field, wherein, on the basis of the current flowing through the feedback coil at the time of an equilibrium state in which the induction magnetic field and the cancelling magnetic field are cancelled out, the current to be measured is measured, wherein the feedback coil, the magnetic shield, and the magnetic field detection bridge circuit are formed on a same substrate. | 03-15-2012 |
20130038421 | MAGNETIC DETECTOR AND METHOD FOR MANUFACTURING THE SAME - A first short-circuit layer and a second short-circuit layer are electrically connected to and integrally stacked onto only a first magnetoresistance effect element layer and a first resistance element layer, respectively, so as to achieve short-circuiting, and thereby adjusting electrical resistances of the first magnetoresistance effect element layer and the first resistance element layer. | 02-14-2013 |
20130221998 | CURRENT SENSOR - A current sensor includes a magnetoresistive element that has a stripe shape and that has a sensing axis in a certain direction. The magnetoresistive element includes element portions that are disposed so as to be spaced apart from each other in a longitudinal direction of the stripe shape, and permanent magnet portions, each of which is disposed between adjacent ones of the element portions. Each element portion has a layered structure including a free magnetic layer whose magnetization direction is changed with respect to an external magnetic field, a non-magnetic intermediate layer, and a ferromagnetic pinned layer whose magnetization direction is pinned. The permanent magnet portion includes a hard bias layer, and an electrode layer that is disposed so as to cover the hard bias layer. | 08-29-2013 |
20130249531 | CURRENT SENSOR - A current sensor includes a magnetic sensor module including a plurality of magnetic sensor units connected in series. The magnetic sensor units each include a first magnetic sensor element and a second magnetic sensor element which have sensitivity axes oriented in opposite directions. A first terminal of the first magnetic sensor unit is connected to a first potential source. A third terminal of the first magnetic sensor unit is connected to a second potential source. A second terminal and a fourth terminal of the last magnetic sensor unit are connected to constitute a sensor output terminal. The first terminal of each of the magnetic sensor units excluding the first magnetic sensor unit is connected to the second terminal of the next magnetic sensor unit and the third terminal thereof is connected to the fourth terminal of the next magnetic sensor unit. | 09-26-2013 |
20130265038 | MAGNETIC PROPORTIONAL CURRENT SENSOR - A magnetic proportional current sensor includes a magnetic-field detection bridge circuit constituted by four magnetoresistive elements having resistance values changed with application of an induced magnetic field from a current to be measured. Each of the four magnetoresistive elements includes a ferromagnetic pinned layer made up of a first ferromagnetic film and a second ferromagnetic film antiferromagnetically coupled to each other with an antiparallel coupling film interposed therebetween, a nonmagnetic intermediate layer, and a soft magnetic free layer. The first ferromagnetic film and the second ferromagnetic film have substantially equal Curie temperatures and have magnetization magnitudes with a substantially zero difference therebetween. The ferromagnetic pinned layers in the three magnetoresistive elements have a same magnetization direction, and the ferromagnetic pinned layer in the remaining one magnetoresistive element has a magnetization direction differing by 180° from the magnetization direction of the ferromagnetic pinned layers in the three magnetoresistive elements. | 10-10-2013 |
20130265040 | CURRENT SENSOR - A current sensor includes a substrate, a conductive body being provided above the substrate and extending in one direction, and magnetoresistance effect elements being provided between the substrate and the conductive body and outputting output signals owing to an induction magnetic field from a current to be measured being conducted through the conductive body, wherein each of the magnetoresistance effect elements has a laminated structure including a ferromagnetic fixed layer whose magnetization direction is fixed, a non-magnetic intermediate layer, and a free magnetic layer whose magnetization direction fluctuates with respect to an external magnetic field, the ferromagnetic fixed layer is a self-pinned type formed by antiferromagnetically coupling a first ferromagnetic film and a second ferromagnetic film through an antiparallel coupling film, the Curie temperatures of the first ferromagnetic film and the second ferromagnetic film are approximately equal, and a difference between the magnetization amounts thereof is substantially zero. | 10-10-2013 |
20130278251 | CURRENT SENSOR - A current sensor including a magnetic detecting bridge circuit which is constituted of four magneto-resistance effect elements with a resistance value varied by application of an induced magnetic field from a current to be measured, and which has an output between two magneto-resistance effect elements. The four magneto-resistance effect elements have the same resistance change rate, and include a self-pinned type ferromagnetic fixed layer which is formed by anti-ferromagnetically coupling a first ferromagnetic film and a second ferromagnetic film via an antiparallel coupling film therebetween, a nonmagnetic intermediate layer, and a soft magnetic free layer. Magnetization directions of the ferromagnetic fixed layers of the two magneto-resistance effect elements providing the output are different from each other by 180°. The magnetic detecting bridge circuit has wiring symmetrical to a power supply point. | 10-24-2013 |
Patent application number | Description | Published |
20090036898 | Instrument For Inserting Intraocular Lens - An intraocular lens insertion device for inserting an intraocular lens capable of securely and safely pushing out the lens by a simple structure. An intraocular lens insertion device ( | 02-05-2009 |
20090043313 | INTRAOCULAR LENS INSERTION DEVICE - An intraocular insertion device capable of safely performing discharge operation of a lens by a simpler construction. The intraocular lens insertion device has a body provided with a lens placement section where the lens is placed and a tube section for inserting the lens into an eye and has a plunger for discharging the lens placed on the lens placement section. The lens placement section has an upper holding member and a lower holding member. The upper holding member has a rib projecting on advancement axis A, to the lower side of the lens placement section. The lower holding member has a U-shaped cross-section and is constituted of a left and right pair of uprising sections and a pressing section uniting the uprising sections at their lower ends. | 02-12-2009 |
20090248031 | INSTRUMENT FOR INSERTING INTRAOCULAR LENS - An intraocular lens insertion instrument capable of smoothly pushing out a preset lens is provided. An intraocular lens insertion instrument comprises: a main body including a lens setting section on which a lens is set, a transition section that deforms the lens, and a nozzle piece that releases the lens; and a lens push-out mechanism that pushes out the lens set on the lens setting section. The instrument further includes a releasing means for releasing the lens pushed by the lens push-out mechanism from the lens setting section. The releasing means has a posture holding mount that holds the lens with a forward tilt relative to an axial line of lens movement. The posture holding mount has a passage through which the lens push-out mechanism passes. | 10-01-2009 |
20100286704 | INTRAOCULAR LENS INSERTION DEVICE - An intraocular lens insertion device which can smoothly push out a lens disposed beforehand. An intraocular lens insertion device has a main body comprising a lens setting part where an intraocular lens is disposed, a transition part which deforms the intraocular lens, and a nozzle which ejects out the intraocular lens, and a lens pushing mechanism which pushes out the intraocular lens disposed at the lens setting part. Only the transition part and the nozzle are applied with a hydrophilic coating. The lens setting part has a lens holding table which supports the periphery of the intraocular lens. An upper surface of the lens holding table is a rough surface. | 11-11-2010 |
Patent application number | Description | Published |
20100185206 | Intraocular Lens Insertion Device - An intraocular lens insertion device capable of folding an intraocular lens into a predetermined shape without giving a local stress to the intraocular lens. The intraocular lens insertion device | 07-22-2010 |
20100217273 | Intraocular Lens Insertion Device - An intraocular lens insertion device which dramatically reduces the possibility that a plunger damages an intraocular lens, and which can safely and surely insert an intraocular lens into an eye is provided. An intraocular lens insertion unit comprises a lens disposing part for disposing an intraocular lens, a plunger for pushing out the intraocular lens disposed at the lens disposing part, a transition part for deforming the intraocular lens pushed out by the plunger, and a nozzle for ejecting the deformed intraocular lens. The plunger has a lens contact part for contacting the outer edge of the intraocular lens, and a protrusive part for pushing the lens contact part downward the intraocular lens by the deformation of the intraocular lens, both lens contact part and protrusive part are provided at the leading end of the plunger. | 08-26-2010 |
20120022549 | INTRAOCULAR LENS INSERTION DEVICE - An intraocular lens insertion device which dramatically reduces the possibility that a plunger damages an intraocular lens, and which can safely and surely insert an intraocular lens into an eye is provided. An intraocular lens insertion unit comprises a lens disposing part for disposing an intraocular lens, a plunger for pushing out the intraocular lens disposed at the lens disposing part, a transition part for deforming the intraocular lens pushed out by the plunger, and a nozzle for ejecting the deformed intraocular lens. The plunger has a lens contact part for contacting the outer edge of the intraocular lens, and a protrusive part for pushing the lens contact part downward the intraocular lens by the deformation of the intraocular lens, both lens contact part and protrusive part are provided at the leading end of the plunger. | 01-26-2012 |
20120071887 | INTRAOCULAR LENS INSERTION DEVICE - An intraocular lens insertion device capable of folding an intraocular lens into a predetermined shape without giving a local stress to the intraocular lens. The intraocular lens insertion device | 03-22-2012 |