Patent application number | Description | Published |
20100064431 | TRANSFER ASSIST DEVICE AND TRANSFER ASSIST DEVICE WITH MULTI-SUPPORTER MECHANISM - The transfer assist device has a supporter for lifting a human body placed on the placement base, joint portions for changing the posture of the supporter landing sensors for detecting whether the lower surface of the supporter has landed onto a placement surface, a leg portion for moving the supporter up and down, and a control section for controlling pivotal movements of the joint portions or an elevating movement of the leg portion based on outputs from the landing sensors. The control section is operable to move at least one of the joint portions and the leg portion so as to define and hold at least one of a parallel state and an adjusted state between the placement surface of the placement base and the lower surface of the supporter, based on the outputs from the landing sensors. | 03-18-2010 |
20110015842 | POWER ASSISTED VEHICLE - A power assisted vehicle includes a wheel drive unit that transmits power of a motor as assist power to wheels via clutches capable of connecting and disconnecting power transmission, input rotation angle detection units that detect rotation angles of input shafts of the clutches, output rotation angle detection units that detect rotation angles of output shafts of the clutches, and assist power calculation units, that calculate the relative angle difference between the rotation angles of the input shafts of the clutches and the rotation angles of the output shafts of the clutches, and while clearing the relative angle difference in a predetermined period, calculate the assist power on the basis of the relative angle difference before it is cleared. | 01-20-2011 |
20110030138 | BED - A movable bed of the present invention, which includes a mat portion of a bed to lie thereon, and is composed of a fixed portion and a moving portion, is designed as a wheel chair in such a manner that the moving portion can be separated from or joined to the fixed portion and be transformed from a lying posture state to a sitting posture state, and when the moving portion is joined to the fixed portion so as to form the movable bed, an upper surface of a resting portion, allowing a person to carry thereon, of the moving portion and an inner surface of an armrest portion are configured to form a mat surface of the mat portion of the movable bed. | 02-10-2011 |
20110196562 | TRAVELING VEHICLE AND BED - A traveling vehicle ( | 08-11-2011 |
20110238217 | TRANSFER SUPPORTING APPARATUS - A transfer supporting apparatus is provided with actuators for actuating supporting members and a controller for controlling the actuators based on the operation of operating units. The controller includes a movement path setting unit for setting movement paths of the supporting members and an operation correcting unit for correcting movements of the supporting members based on the operation of the operating units by driving the actuators so that the supporting members move along the movement paths set by the movement path setting unit. | 09-29-2011 |
20110313604 | ELECTRIC VEHICLE AND METHOD OF CONTROLLING THE SAME - The present invention has an object of providing an electric vehicle which makes an assisting movement based on an operation by an operator without making a movement when an operator is not operating the electric vehicle or a movement which widely differs from a movement intended by the operator in direction or distance, and a method of controlling the electric vehicle. The electric vehicle ( | 12-22-2011 |
20120091990 | CONTACT SENSOR, DRIVER DEVICE, AND CARE BED - The contact sensor includes a conductive fabric, an insulative spacer having multiple openings, and a conductive sheet of a sheet-shaped conductor. The insulative spacer is interposed between the conductive fabric and the conductive sheet. Upon contact of a soft object such as a human body portion on the conductive fabric with force equal to or greater than a certain strength, the insulative spacer sinks in the soft object with the conductive fabric interposed therebetween. The conductive fabric is deformable in conformity with insulative pieces of the insulative spacer, such that touching of a portion of the conductive fabric on the conductive sheet provides detection of contact of the soft object. | 04-19-2012 |
20120095633 | ELECTRIC VEHICLE AND METHOD FOR CONTROLLING THE SAME - An electric wheelchair includes a body portion, an operating section to detect an operation by an operator, an obstacle sensor to detect an obstacle existing in the vicinity of the body portion, an obstacle determination section to form a search region extending from the body portion in an operating direction, and to determine an obstacle existing in the search region, as the obstacle to be avoided, a virtual repulsive force calculation section to calculate a virtual repulsive force to move the body portion away from the obstacle determined by the obstacle determination section, a resultant force calculation section to calculate a resultant force composed of an operating force and the virtual repulsive force, and a control section to control a movement of the body portion so that the body portion is moved in a direction of the resultant force. | 04-19-2012 |
20120153687 | BED, AND COMBINING METHOD AND SEPARATING METHOD OF BED - A bed is composed of combining a wheelchair and a bed main body portion. The wheelchair has a seating bottom portion composed of bendably coupling a plurality of divided members, a chair bottom support member supporting the seating bottom portion, a chair base portion for fixing the chair bottom support member, and traveling wheels supporting the chair base portion. The bed main body portion has a bed bottom portion composed of bendably coupling a plurality of divided members, a bed bottom support member supporting the bed bottom portion, and a bed base portion for fixing this bed bottom support member. In the case where the wheelchair and the bed main body portion are combined, a support member supporting the seating bottom portion is switched from the chair bottom support member to the bed bottom support member, and the bed bottom portion and the seating bottom portion integrally perform posture change in accordance with posture change of the bed bottom support member. | 06-21-2012 |
20120159705 | BED AND WHEELCHAIR - A wheelchair including a seating bottom portion, a chair back bottom support member supporting a chair back bottom member, a chair knee bottom support member supporting a chair knee bottom member, a chair leg first bottom support member bendably coupled to the chair knee bottom support member, the chair leg first bottom support member supporting a chair leg first bottom member, a chair leg second bottom support member bendably coupled to the chair leg first bottom support member, the chair leg second bottom support member supporting a chair leg second bottom member, a chair base portion bendably coupling the chair back bottom support member and the chair knee bottom support member and supporting a chair waist bottom member, a first link portion coupling the chair back bottom support member and the chair knee bottom support member, and a second link portion coupling the chair back bottom support member and the chair leg first bottom support member to each other, the wheelchair forms a bed capable of being changed to a knee lifting posture when being combined with a bed main body portion. | 06-28-2012 |
20120169093 | BED AND COMBINING METHOD - A movable part which combines with a stationary part to form a bed includes: a contact sensor ( | 07-05-2012 |
20120181779 | WHEELCHAIR AND BED - In a bed including a wheelchair and a bed main body portion, the wheelchair has a seating bottom portion composed of bendably coupling a plurality of divided members, a chair bottom support member supporting the seating bottom portion, the chair bottom support member for changing a shape of a leg bottom part in conjunction with inclination of a back bottom part, a chair base portion fixing the chair bottom support member, front casters provided in the chair base portion, the front casters being capable of freely changing the direction, both side wheel bottom support members axially supported on the chair base portion, rear casters provided in one ends of the both side wheel bottom support members, the rear casters being capable of freely changing the direction, traveling wheels provided in the other ends of the both side wheel bottom support members, whose traveling direction is fixed to the straight-moving direction, and caster links coupling parts of the both side wheel bottom support members on the side of the rear casters and the back bottom part of the chair bottom support member. | 07-19-2012 |
20130074256 | BED AND SEPARATING METHOD OF THE SOME - A bed includes a first rail, a second rail, a wheelchair having a first armrest mounting unit to and from which the first rail is attached and detached in one side part, and a second armrest mounting unit to and from which the second rail is attached and detached in another side part. A bed main body portion has a first support portion and a second support portion, and the first support portion has a first bed mounting unit to and from which the first rail or the second rail is attached and detached in a front end. The second support portion has a second bed mounting unit to and from which the first rail or the second rail is attached and detached in a front end. | 03-28-2013 |
20140067182 | ELECTRIC VEHICLE AND METHOD FOR CONTROLLING ELECTRIC VEHICLE - An omni-directional electric vehicle includes: a body having a chair portion; an operation detection unit which detects an operation direction and an operation amount of an operation input; a travel control information generation unit which generates, based on the operation direction and the operation amount, travel control information including (i) a target straight-movement speed for moving the body in a forward/backward direction and (ii) a target rotation speed for rotating the body about a rotation center; and a control unit which drives a movement mechanism of the body according to the travel control information. The travel control information generation unit changes, based on the target straight-movement speed, the rotation center for the target rotation speed from a reference position which is set virtually and fixedly to the body in the forward/backward direction. | 03-06-2014 |
20140137328 | LIFTING APPARATUS AND BED PROVIDED WITH THE SAME - A lifting apparatus includes an upper frame, a base frame, a link mechanism for connecting the upper frame and the base frame, and a linear actuator connected to the link mechanism for driving the link mechanism. The link mechanism includes at least a T-shaped first arm slidably supported on the base frame or the upper frame and provided with connections at four points, and an L-shaped second arm provided with connections at three points. | 05-22-2014 |
20140180520 | ELECTRIC VEHICLE AND METHOD OF CONTROLLING THE SAME - An electric vehicle which travels by driving actuators includes: a monitor unit which monitors external environment or internal environment of the electric vehicle; an alarm unit which outputs, based on monitoring information obtained by the monitoring unit, a vibration velocity signal indicating velocity which changes in a cycle; a travel information generation unit which calculates a target travel velocity based on a steering direction and a control input provided by an operator of the electric vehicle, and generates travel control information for controlling the actuators based on the target travel velocity; and a control unit which controls the actuators based on the travel control information. The travel information generation unit regenerates the travel control information by adding the vibration velocity signal to the target travel velocity upon receiving the vibration velocity signal. | 06-26-2014 |
20140191541 | BED COMBINATION METHOD, BED SEPARATION METHOD AND BED - In a bed combination method of forming a bed on which a person lies by combining a wheelchair with a recess part of a bed base portion of a bed main portion, a posture of a seat portion of the wheelchair is changed from a chair posture to a tilt posture where the seat portion is inclined in such a manner that a position of a footrest is higher than the base portion by a tilt action while a shape of the seat portion is maintained as a chair shape, and then, the wheelchair is moved to the recess part of the base portion, and the seat portion is changed from the tilt posture to a non-tilt posture. | 07-10-2014 |
20140319804 | MOVABLE BED - In a movable bed composed by combining a bed main portion and a wheelchair, the wheelchair has chair back bottom rails having cutout portions in a chair back bottom, and a chair back guide portion installed rotatably about a rotation point with respect to a chair base portion, the chair back guide portion having sliding portions engaged with the chair back bottom rails so as to be slidable and arranged to be disengageable from the chair back bottom rails by being located in the cutout portions, and in a fourth state (flat posture), the sliding portions are located in the cutout portions, the chair back guide portion and the chair back bottom are disengaged so as to be separable from each other, and a back lifting posture of the bed main portion and the chair back bottom can be performed over the entire width of the bed, whereas in a first state (chair posture), the sliding portions are engaged with the chair back bottom rails and can slide along the chair back bottom rails. | 10-30-2014 |
20150082537 | WHEELCHAIR AND BED TO BE COMBINED WITH THE SAME - A wheelchair includes a first seat portion and a second armrest rotatably fixed to a first support portion of the first seat portion, a first rotation axis of this second armrest is arranged on an imaginary plane perpendicular to a back bottom support surface and parallel to the front and rear direction of the first seat portion so as to make a predetermined angle with respect to the back bottom support surface. | 03-26-2015 |
20150290054 | INTEGRATED-BED MATTRESS AND INTEGRATED BED - A mattress can be adapted to an integrated bed that includes a main bed unit, and a wheelchair unit that is separable from the main bed unit and has a wheelchair back bottom, a wheelchair hip bottom and a wheelchair foot bottom. The mattress includes a first protrusion configured to be fastened to a back-section hole in the wheelchair back bottom, a fastener configured to be fastened to the wheelchair hip bottom, and a second protrusion configured to be fastened to a foot-section hole in the wheelchair foot bottom. | 10-15-2015 |
20150313779 | ELECTRIC BED - An electric bed includes a first driver that performs rising and lowering operation of a second frame with respect to a first frame, a controller that controls the first driver, and an input unit that instructs the controller by switch manipulation of a lowering switch of the input unit. The controller controls the first driver to lower the second frame at a basic speed when a bed height is a first predetermined height or more during depression of the lowering switch, and to lower the second frame at a first low speed slower than the basic speed when the bed height is less than the first predetermined height during the depression of the lowering switch, in case where the bed height is a height of an upper surface of the second frame. | 11-05-2015 |
20150320627 | WHEELCHAIR AND COMBINED BED - A wheelchair includes a first link that supports a first bottom, a second link that supports a second bottom, a third link that supports a third bottom, a fourth link that supports a fourth bottom, a first base portion that supports a fifth bottom, and a first drive link. The first drive link has a first roller and a second roller. The second link and the third link are provided with rail portions respectively. The wheelchair has wheelchair link portion allows the first roller to slide in the rail portion of the second link, and allows the second roller to slide in the rail portion of the third link. | 11-12-2015 |
Patent application number | Description | Published |
20110244441 | HELP DISPLAY DEVICE, OPERATION DEVICE AND ELECTRONIC APPARATUS - A help display device of the present invention includes: a display portion that displays a help message; an operation portion that accepts an instruction for displaying a predetermined help message; a message storage portion that stores identical help messages expressed in a plurality of languages; a display order retention portion that retains a display order of the help messages expressed in a plurality of languages; a message generation portion that, in a case where the operation portion accepts the instruction for displaying a help message on the display, reads the help message corresponding to the instruction from the message storage portion and generates a multilingual help message by arranging the help messages of each language thus read in the display order retained in the display order retention portion; and a display control portion that displays the multilingual help message on the display portion by the message generation portion. | 10-06-2011 |
20130314724 | OPERATION DEVICE, OPERATION METHOD, AND IMAGE FORMING APPARATUS INCLUDING THE OPERATION DEVICE - An operation device which displays a document preview image on a paper sheet preview image, includes: a changing unit which changes a size of document image data corresponding to the document preview image in accordance with a movement amount and a movement direction when a user touches a part of the document preview image and moves the touched part; a determining unit which determines whether or not a vertical size and a horizontal size of the document preview image after the change are larger than a vertical size and a horizontal size of a largest paper sheet preview image; and an enlargement continuous shooting setting unit sets an enlargement continuous shooting mode if it is determined that the vertical size and the horizontal size of the document preview image are larger than the vertical size and the horizontal size of the largest paper sheet preview image. | 11-28-2013 |
20130321835 | IMAGE FORMING APPARATUS - An image forming apparatus includes a display section and a control unit. The display section is configured to display a plurality of picture segments. The control unit is configured to execute a display operation to display the plurality of picture segments. The plurality of picture segments correspond to a plurality of options corresponding to an image formation related function. The control unit executes a picture segment selection operation to select picture segments, of which number is equal to a predetermined display number, as normal picture segments among the plurality of picture segments. The control unit executes a prominent display operation to select picture segments, of which number is larger than the predetermined display number, as provisional picture segments among the plurality of picture segments and to allow the display section to prominently display the provisional picture segments during a predetermined prominent display time. | 12-05-2013 |
20140185095 | ELECTRONIC APPARATUS CAPABLE OF CHANGING CONTENT DISPLAY LANGUAGE AND DISPLAY PROGRAM - An electronic apparatus includes: a touch panel, a content storage unit that stores content to be displayed on the touch panel in different languages; a selected language storage unit that stores a selected language; a content display unit that displays, on the touch panel, content in the selected language stored in the selected language storage unit, from pieces of content stored in the content storage unit in the languages; and a language setting unit that displays a language selection screen on the touch panel if a particular operation is accepted in a non-explicit area, which is not explicitly indicated as being ready for accepting an operation, the language selection screen being one of screens displayed on the touch panel, and also stores, in the selected language storage unit, a language selected by an operation accepted on the language selection screen. | 07-03-2014 |
20140253744 | PORTABLE APPARATUS DISPLAYING APPARATUS INFORMATION ON ELECTRONIC APPARATUS - A portable apparatus includes an image capturing device, a display device, an indoor image acquisition unit, an apparatus position acquisition unit, an apparatus information acquisition unit, and a display control unit. The indoor image acquisition unit acquires an indoor image of a building having a plurality of floors. The apparatus position acquisition unit acquires a position of an electronic apparatus in real space. The apparatus information acquisition unit acquires apparatus information on the electronic apparatus. The display control unit causes the display device to display a composite image formed by combining additional information based on the apparatus information with a to-be-combined image, while linking the additional information to a position of the electronic apparatus in the to-be-combined image, this position corresponding to a relationship between the position of the electronic apparatus in real space and a position of the portable apparatus in real space. | 09-11-2014 |
20140359451 | COMPUTER-READABLE NON-TRANSITORY STORAGE MEDIUM WITH IMAGE PROCESSING PROGRAM STORED THEREON, IMAGE PROCESSING DEVICE, AND IMAGE PROCESSING SYSTEM - An image processing device includes: an indication point acquiring section that acquires an indication point on a presentation material, which a presenter is pointing out with a pointer, through image processing on the presentation material taken by an image pickup device; an element layout changed material acquiring section that acquires an element layout changed material in which an layout of elements contained in the presentation material is changed; a changed indication point determining section that determines as a changed indication point a point on the element layout changed material corresponding to the indication point acquired by the indication point acquiring section; and a display image generating section generates an image in which an image of the element layout changed material is synthesized with a changed indication point indicating image showing the changed indication point and allows a display device to display the generated image. | 12-04-2014 |
20140372879 | RECORDING MEDIUM, DOCUMENT PROCESSING DEVICE, AND DOCUMENT PROCESSING SYSTEM - A non-transitory computer readable recording medium stores a document processing program executed by a computer. The document processing program includes: a first program code configured to cause the computer to register a term with it bearing corresponding recognizability information indicative of a reader type to which readers capable of recognizing the term belong and a reader type to which readers incapable of recognizing the term belong; a second program code configured to cause the computer to receive specification of a reader type to which a reader belongs; a third program code configured to cause the computer to detect any term non-recognizable to the readers belonging to the reader type based on the specification from an output target document based on the recognizability information; and a fourth program code configured to cause the computer to issue a warning when the term is detected through the third program code. | 12-18-2014 |
20150033186 | Retrieval Device for Retrieving Data Specific Information Used for Identifying Data of a Data Group - A retrieval device includes: a touch panel that displays a list that arranges a data specific information piece, a retrieval character reception section that receives one or more characters of the data specific information piece for identifying data of a data group via an handwritten input to the list on the touch panel, an information retrieval section that retrieves the data specific information piece with the one or more retrieval characters, and a retrieval result display section that displays a retrieval result of the information retrieval section on the touch panel. | 01-29-2015 |
20150036152 | Image Processing for Facilitating Identification of Colors - An image processing apparatus includes an image region determining unit, an image color determining unit, and a change processor. The image region determining unit is configured to determine a colored region where an inside of an outline is filled with a single color from color image data. The image color determining unit is configured to determine a color of the colored region determined by the image region determining unit. The change processor is configured to change the colored region determined by the image region determining unit to a patterned region with a pattern different in each of the colors determined by the image color determining unit. | 02-05-2015 |
20150066392 | STORAGE MEDIUM, MATERIAL EVALUATING APPARATUS, AND MATERIAL EVALUATING METHOD - A non-transitory computer-readable storage medium has stored therein a material evaluating program. The material evaluating program includes a first program code and a second program code. The first program code causes a computer to evaluate, in units of pages included in a material, an object impression degree for each of all objects included in each of the pages, the object impression degree indicating the strength of an impression made by the object included in the page. The second program code causes the computer to display an evaluation result about the object impression degrees obtained by executing the first program code. | 03-05-2015 |
20150066480 | NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM FOR STORING ACRONYM-MANAGEMENT PROGRAM, ACRONYM-MANAGEMENT DEVICE, NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM FOR STORING EXPANDED-DISPLAY PROGRAM, AND EXPANDED-DISPLAY DEVICE - An acronym-management program causes a computer to extracts an acronym from a list-updating reference for updating an acronym list; extracts, from the list-updating reference, a candidate for an expanded form corresponding to the extracted acronym; and, when the likelihood of the extracted acronym being used in the list-updating reference to refer to the extracted expanded-form candidate reaches or exceeds a specific level, increase, in the acronym list, the frequency corresponding to the acronym and the expanded form. | 03-05-2015 |
20150066868 | NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM THAT STORES DOCUMENT EVALUATION PROGRAM THAT EVALUATES CONSISTENCY IN DOCUMENT - A non-transitory computer-readable recording medium that stores a document evaluation program executable by a computer in a document evaluation apparatus includes first program code that causes the computer to determine that a plurality of pages from each of which the same type of object has been detected are in the same group and to detect the plurality of pages in the same group from the document, second program code that causes the computer to evaluate consistency in the plurality of pages, in the same group, that have been detected by the first program code, and third program code that causes the computer to display an evaluation result obtained by the second program code. | 03-05-2015 |
20150067826 | RECORDING MEDIUM, AUTHENTICATION DEVICE, AND AUTHENTICATION METHOD - An electronic device includes a touch panel, a time information obtaining section, and an authentication section. The time information obtaining section obtains time information for user authentication. The authentication section executes user authentication based on the time information obtained by the time information obtaining section. The time information obtaining section changes the time information according to a user's touch duration on the touch panel and changes an amount of change in time that the time information indicates according to a user's manner of touching the touch panel. | 03-05-2015 |
20150277828 | Image Forming System, Portable Terminal, and Recording Medium That Ensure Intuitive Setting of Page Orientation from Portable Terminal - An image forming system includes an image forming apparatus and a portable terminal. The image forming apparatus includes: a preview image creating circuit that creates preview image data from image data; and a preview image transmitting circuit that transmits the preview image data to the portable terminal. The portable terminal includes: a preview image data receiving circuit that receives the preview image data from the image forming apparatus; a preview image display circuit that displays an image of the preview image data; and a page orientation setting circuit that sets the page orientation whether a top side of the original document is an upper side, or a top side of the original document is a left side corresponding to a direction of the image of the preview image data. | 10-01-2015 |
20150277834 | IMAGE FORMING SYSTEM, PORTABLE TERMINAL, AND IMAGE FORMATION METHOD THAT SHOWS PREVIEW OF RECEIVED IMAGE - Provided is an image forming system that has a portable terminal and an image forming apparatus. The portable terminal includes a preview image data request notice transmitting circuit, a preview image data receiving circuit, a preview image display circuit, a preview image confirmation input circuit, and a preview image data deletion notice transmitting circuit. The image forming apparatus includes a preview image data request notice receiving circuit, a preview image data generating circuit, a preview image data transmission circuit, a preview image data deletion notice receiving circuit, and an image forming apparatus preview image data deletion circuit. The portable terminal transmits a preview image data deletion notice to an image forming apparatus, when it inputs that the preview image is confirmed. Then, the image forming apparatus deletes preview image data. | 10-01-2015 |
20150281510 | IMAGE FORMING SYSTEM, PORTABLE TERMINAL, AND RECORDING MEDIUM THAT FACILITATES OPERATION PROCEDURE FOR DISPLAYING PREVIEW IMAGE OF BACK SIDE IN DUPLEX PRINTING - An image forming system includes an image forming apparatus and a portable terminal. The image forming apparatus includes: a preview-image-data generating circuit that generates preview image data from image data; and a preview-image-data transmitting circuit that transmits the preview image data to the portable terminal. The portable terminal includes: a preview-image-data receiving circuit that receives the preview image data from the image forming apparatus via wireless communication; a preview-image display circuit that displays an image of the preview image data; and a rotation detecting circuit that detects rotation of a main body of the portable terminal with a predetermined rotation procedure. When the rotation detecting circuit detects rotation of the main body of the portable terminal while the image of the preview image data is displayed, the portable terminal displays an image of the preview image data corresponding to a back side of the displayed image. | 10-01-2015 |
20150286448 | IMAGE FORMING APPARATUS HAVING ENERGY SAVING FUNCTION TO CHANGE FROM NORMAL OPERATION MODE TO POWER-SAVING MODE, AND RECORDING MEDIUM THEREOF - Provided is an image forming apparatus that performs appropriately changing to the power-saving mode according to environment (luminosity) of a place that user exists, without increasing in a cost. When there is access from a portable terminal, communication circuit requests to the portable terminal for transmission of illuminance information detected by an illuminance sensor in a side of the portable terminal. Then, based on the illuminance information, mode switching circuit changes to the power-saving mode. | 10-08-2015 |
Patent application number | Description | Published |
20080278844 | SERVO CONTROLLING METHOD, RECORDING/REPRODUCING APPARATUS, MAGNETIC TAPE, AND MAGNETIC TAPE CARTRIDGE - A servo controlling method of the present invention is a servo controlling method for controlling a position of a magnetic head against a magnetic tape that is accommodated in a cartridge and has at least a data track and a servo track, and the method includes the steps of: reading tape variance information from a magnetic tape cartridge | 11-13-2008 |
20090052093 | MAGNETIC HEAD ASSEMBLY AND MAGNETIC TAPE DRIVING APPARATUS - A magnetic head assembly of the present invention includes a head rail having a plurality of head element portions each including a MR element and sliding portions that come into contact with a magnetic tape, and a protective film on a magnetic tape sliding surface of the head element portions and the sliding portions, wherein the protective film is formed in a portion other than the vicinity of both ends of the head rail in a traveling direction, and an outermost surface of the protective film, on which a magnetic tape is capable of sliding, is formed flat. Thus, a magnetic head assembly used in a magnetic tape apparatus can be provided, in which an output does not decrease due to the abrasion deformation of the head element portions and the increase in spacing by the adhesion of stain. | 02-26-2009 |
20090296269 | SERVO SIGNAL RECORDING APPARATUS, INFORMATION RECORDING APPARATUS, AND TRACKING SERVO METHOD - In the apparatus and method of the invention, a servo signal reproduction unit generates a PES from a servo signal reproduced from a magnetic tape, and a frequency conversion unit performs FFT processing of the PES to generate frequency component information. Then, a filter value generation unit generates filter values based on the frequency component information and writes these to a memory. When recording various data signals to the magnetic tape, the filter values are read from the memory and a control filter serving as a notch filter is incorporated into a feedback control for a tracking servo. This enables periodic and narrow-band noise to be removed from a PES, consequently reducing PESs. Accordingly, learning-type optimum notch filter control that allows a magnetic head to follow recording tracks at high speed and with high precision is possible even when the recording track width is reduced and the tape speed is increased. | 12-03-2009 |
20100002338 | SERVO CONTROLLING METHOD, RECORDING/REPRODUCING APPARATUS, MAGNETIC TAPE, AND MAGNETIC TAPE CARTRIDGE - A servo controlling method of the present invention is a servo controlling method for controlling a position of a magnetic head against a magnetic tape that is accommodated in a cartridge and has at least a data track and a servo track, and the method includes the steps of: reading tape variance information from a magnetic tape cartridge ( | 01-07-2010 |
20120156524 | MAGNETIC RECORDING MEDIUM - The magnetic recording medium of the present invention comprises: a non-magnetic substrate; a non-magnetic layer formed on one of principal surfaces of the non-magnetic substrate; and a magnetic layer formed on a principal surface of the non-magnetic layer opposite to the non-magnetic substrate. Mr and t satisfy 0.0020 μT·m≦Mr·t≦0.0150 μT·m, where Mr is the residual magnetic flux density of the magnetic layer, and t is the average thickness of the magnetic layer, L | 06-21-2012 |