Abstract: A computer system including an electronic device and an input device is disclosed. The electronic device includes a touch display area and a control unit. The input device includes a plurality of positioning structures and a grounding piece. The positioning structures are electrically connected to the grounding piece. When the input device is disposed on the touch display area of the electronic device, the control unit detects positions of the positioning structures on the touch display area, calculates a coverage area covered by the input device on the touch display area according to the positions, and determines a range of a display area of the touch display area according to the coverage area.

Abstract: A tape cartridge includes: a first flange member including a first hub portion and a first flange portion; a second flange member including a second hub portion slidably fitting to the first hub portion and a second flange portion, and forming a reel winding a tape in a combination with the first flange member; an engagement portion in which a first through-hole is opened and that is located on a back side of a surface of the second flange portion facing the first flange portion so as to engage with a drive unit included in an external tape driving device; a first protrusion provided to the first hub portion so as to be exposed from the first through-hole and push up the first flange member and space the first flange portion and the second flange portion apart from each other by contacting the drive unit.

Abstract: A magnetic tape cartridge includes a cartridge case, a pair of cylindrical hubs rotatably provided in the cartridge case, and a magnetic tape laid between the hubs and wound around outer peripheries of the hubs. Each of the hubs has an inner diameter portion provided with a height-position determining member. The height-position determining member determines a height position of the hub in the magnetic tape cartridge by contacting a driving shaft inserted in the hub when the magnetic tape cartridge is mounted in a magnetic recording and reproducing apparatus.

Abstract: An information medium capable of preventing inclination of tape reels driven for rotation. The information medium includes a pair of tape reels around which a magnetic tape is wound, a casing body rotatably accommodating the tape reels, and a pair of sheets in which a pair of insertion holes are formed, respectively. A pair of plate-shape spring members for urging at least one end of each reel body via an associated one of the sheets having opposite ends of respective hubs inserted into the insertion holes formed in the sheets are arranged at least one of a gap between one of the sheets, disposed toward one ends of the respective reel bodies, and one of main boards, and a gap between the other of the sheets, disposed toward the other ends of the respective reel bodies, and the other of the main boards.

Abstract: An information medium capable of preventing tape reels from being inclined during driving and improving the manufacturing efficiency. The information medium includes a pair of tape reels having a magnetic tape wound around, a casing body rotatably accommodating the tape reels, and a pair of sheets having a pair of insertion holes formed, respectively. A pair of plate-shaped spring members each formed with an insertion hole are arranged between one sheet and one main board, for urging respective ends of hubs of the tape reels via the sheet, with the associated end of the hub inserted into the insertion hole. Each spring member is fixed to the main board, by being fitted on an outer periphery of an associated annular protrusion formed on the one main board.

Abstract: A magnetic tape cassette includes a case that is formed by joining an upper half and a lower half, one or more tape reels, a window and a reel urging member having a tape reel contacting portion which contacts an upper part of the tape reel(s), bent arms connected to opposite sides of the tape reel contacting portion and sliding end portions provided at distal ends of the bent arm. A slide groove is provided in an inner surface of a perimeter of a window opening in the upper half and a window member has hold-and-retain portions which hold the sliding end portions in cooperation with a bottom surface of the slide groove into which the sliding end portions have been fitted. A tape reel suitable for use with the magnetic tape cassette, a resinous leaf spring and its production process are also provided. Tape reels housed in a cassette case can be urged toward the lower half by a member whose structure is simple and permits easy fitting and removal.

Abstract: In one example of one aspect of the invention, a data storage cartridge is provided. The data storage cartridge includes a housing having at least one opening, a reel rotatably disposed within the housing and accessible through the opening, the reel capable of translating axially, a biasing member for biasing the reel toward the opening, and an absorbing member disposed between the reel and a portion of the housing opposite the opening. In one example, the absorbing member includes a spring constant value of greater than 30 ounces per inch. The absorbing member may be disposed to engage and dampen the motion of the reel when the reel is displaced beyond a desired distance.

Abstract: In this recording media cartridge, a reel around which a recording medium is wound is rotatably received within a case body constituted by coupling upper and lower halves in a face-to-face relationship, the reel is urged toward the lower half by a planar reel presser spring supported on an inner surface of the upper half as in a cantilever, and the reel presser spring is detachably mounted on the inner surface of the upper half, so that the reel presser spring can be collected without damaging components of the cartridge such as the case body, the reel presser spring and a reel lock member. As a result, in this cartridge, the waste materials can be reduced and the impact on the environment can be reduced. The cartridge is effective when different materials are sorted, and the disassembling work can be simplified.

Abstract: A magnetic tape cassette includes a case that is formed by joining an upper half and a lower half, one or more tape reels, a window and a reel urging member having a tape reel contacting portion which contacts an upper part of the tape reel(s), bent arms connected to opposite sides of the tape reel contacting portion and sliding end portions provided at distal ends of the bent arm. A slide groove is provided in an inner surface of a perimeter of a window opening in the upper half and a window member has hold-and-retain portions which hold the sliding end portions in cooperation with a bottom surface of the slide groove into which the sliding end portions have been fitted. A tape reel suitable for use with the magnetic tape cassette, a resinous leaf spring and its production process are also provided. Tape reels housed in a cassette case can be urged toward the lower half by a member whose structure is simple and permits easy fitting and removal.

Abstract: A magnetic tape cartridge with an improved reel-rotation restraining mechanism is disclosed. The reel-rotation restraining mechanism has a reel locking member, which is movable toward and away from the reel, for restricting rotation thereof; an urging member for urging the reel locking member in a restraining direction; and an releasing member, which is rotatable integrally with the reel, for moving the reel locking member in an unlocking direction by moving according to a chucking operation of a rotation drive mechanism of a drive unit. The releasing member has three leg portions on the vertexes of a triangular plate portion insertable into through holes in the reel. The releasing member is sized so that with part of the releasing member inserted into a center opening of the reel, and two of the three leg portions positioned near the through holes, the remaining one leg portion can be dropped and inserted within the center opening.

Abstract: A tape reel within a tape path is disclosed for storing a tape. The tape reel includes a first flange having an inner surface and an outer surface. The first flange is attached to a hub. The tape reel also includes a second flange attached to the hub. The second flange is substantially parallel to the first flange. The second flange has an inner surface and an outer surface. The inner surface of the second flange is tapered with respect to the axis of the hub. The reel is tilted with respect to a plane of the tape path so that the tapered inner surface is moved so that it is located in a plane that is horizontal to a plane of the tape path at the point of exit of the tape from the tape reel.

Abstract: In one embodiment, a tape cartridge includes: a housing; a reel rotatably disposed in the housing; a reel lock operatively coupled to the reel, the reel lock operative between a first position in which the reel is locked and a second position in which the reel is unlocked; one of the housing or the reel lock having an insert and the other of the housing or the reel lock having a receiver, the insert sized and shaped to fit closely into the receiver and the insert slidable in the receiver; and a damper operatively coupled between the housing and the reel lock when the reel lock is in the second position.

Abstract: In a recording tape cartridge, cut-out portions are formed at an inner peripheral edge portion of a metal plate. By providing gates at the cut-out portions, the metal plate is insert molded without depending on submarine gates. Because the gates are provided, at the time of molding a reel hub, a molding material flows radially from a hole portion toward a tubular portion and a lower flange.

Abstract: A method of assembling an ink ribbon cartridge comprises inserting a leaf spring having a mounting frame and a flat spring finger that longitudinally extends from the mounting frame, beginning at an opening in the mounting frame, and at an acute angle from the opening, into a housing-half to position the spring finger pointing at the acute angle into the housing-half, and inserting an ink ribbon spool having opposite hub ends and a rotation axis into the housing-half, laterally relative to the rotation axis, to cause one of the hub ends to depress the spring finger at least partially into the opening, whereby the spring finger will urge the spool in one direction along the rotation axis.

Abstract: A tape cassette wherein, on one of the central upper portion of a reel and a pressure mechanism, there is disposed a center pin, on the other, there is formed a contacting flat plate portion with which the center pin can be contacted, one of the center pin and contacting flat plate portion is molded mainly of polyacetal-system synthetic resin, the other is molded mainly of polybutylene-system or polyethylene-system synthetic resin, and inorganic powder is added to at least one of these two kinds of synthetic resin.

Abstract: Magnetic-tape cartridge includes a substantially rectangular housing. At least one tape reel is rotatably mounted in the housing. The at least one tape reel is configured to receive wound magnetic tape. A first part is axially movably mounted in a center of the at least one tape reel. A second part is non-rotatably mounted and axially movably mounted to a housing wall of the cartridge via a spring. The first part is movable between a resting position and an operating position in which the first part moves the second part against the biasing force of the spring.

Abstract: A metal plate of a recording tape cartridge which has a tapered portion at an outer circumference thereof. In a state in which the metal plate is attached at a fixed-side mold plate of a metal mold for molding a reel hub and a lower flange, a gap is formed between the tapered portion and the fixed-side mold plate. During molding, molding material flows into the gap. Because of this gap, an annular pawl portion is formed at the reel hub, which annular pawl portion integrally joins the metal plate with the reel hub by sandwiching the metal plate via the tapered portion.

Abstract: A magnetic tape cassette includes a case that is formed by joining an upper half and a lower half, one or more tape reels, a window and a reel urging member having a tape reel contacting portion which contacts an upper part of the tape reel(s), bent arms connected to opposite sides of the tape reel contacting portion and sliding end portions provided at distal ends of the bent arm. A slide groove is provided in an inner surface of a perimeter of a window opening in the upper half and a window member has hold-and-retain portions which hold the sliding end portions in cooperation with a bottom surface of the slide groove into which the sliding end portions have been fitted. A tape reel suitable for use with the magnetic tape cassette, a resinous leaf spring and its production process are also provided. Tape reels housed in a cassette case can be urged toward the lower half by a member whose structure is simple and permits easy fitting and removal.

Abstract: The reel spring for use in a magnetic tape cassette comprises a fixing portion which is fixed to a boss of a cassette case by means of a boss hole, an arm portion which forces a reel in an axial direction of rotation and a bending portion provided between the fixing portion and the arm portion in an L-like shape. The ratio of a length of the fixing portion of the reel spring to a height of the boss is 4.0 or more. The length of the fixing portion is longer than that of the arm portion by 1 mm to 5 mm. The magnetic tape cassette employs the reel spring which is capable of enhancing production efficiency in fabricating the magnetic tape cassette while maintaining a specified force of the reel spring.

Abstract: A tape cartridge including a cartridge housing, one or more tape hub pins substantially fixed at both ends to the cartridge housing, and tape hubs, carrying tape, e.g., magnetic tape, that are mounted around the tape hub pins for rotation within the cartridge housing. Also described is a method for preventing tilt of a tape hub including fitting a first end of the pin into a baseplate, which is part of the tape cartridge housing. The method also includes fitting a second end of the pin into a pin retention device formed into a cover, which is another part of the tape cartridge housing. The pin retention device of this method may take the form of a ring-like feature, provided in the cover, which retains the second end of the pin.