Abstract: A signal transmission device according to the embodiment includes: a first integrated circuit chip provided with a first coil that constitutes the isolation transformer; a printed circuit board provided with a second coil that is magnetically coupled with the first coil to form the insulating transformer; a second integrated circuit chip having a first connection terminal and a second connection terminal provided on the upper surface; a first wire that electrically connects between one end of the second coil and the first connection terminal; and a second wire that electrically connects between the other end of the second coil and the second connection terminal, wherein the second coil is provided only in the wiring layer of the printed circuit board, which has a single wiring layer structure.

Abstract: A method for manufacturing a laminated structure which includes a laminated body formed by stacking plural metal plates and is configured such that the plural metal plates located at both ends in a stacking direction are welded to each other. The method includes firstly welding outer peripheral portions of the plurality of metal plates that lie on top of each other at a lower end of the laminated body placed on a placing surface, after the first welding, vertically inverting the laminated body upside down and placing the laminated body in position, and after the inverting, secondly welding outer peripheral portions of the plurality of metal plates that lie on top of each other at a lower end of the laminated body.

Abstract: In permanent magnets formed by division, a cut-out part is provided in a straight line in the matrix of the permanent magnets, a metal increasing the coercive force the permanent magnet matrix is diffused into the interior of the matrix from a surface that includes the surface of the cut-out part of the permanent magnet matrix, and the permanent magnet matrix is divided into multiple permanent magnet parts along the straight cut-out part to form the permanent magnets. An Nd—Fe—B sintered magnet may be used as the permanent magnet matrix, and dysprosium (Dy) may be used as the metal increasing the coercive force of the permanent magnet. Multiple indentations disposed in a straight line may be used as the cut-out parts, or a straight groove may also be used.

Abstract: In permanent magnets formed by division, a cut-out part is provided in a straight line in the matrix of the permanent magnets, a metal having a higher coercive force than the permanent magnet matrix is diffused into the interior of the matrix from a surface that includes the surface of the cut-out part of the permanent magnet matrix, and the permanent magnet matrix is divided into multiple permanent magnet parts along the straight cut-out part to form the permanent magnets. An Nd—Fe—B sintered magnet may be used as the permanent magnet matrix, and, dysprosium (Dy) may be used as the metal having a higher coercive force. Multiple indentations disposed in a straight line may be used as the cut-out parts, or a straight groove may also be used.

Abstract: An image forming apparatus includes a developing device, a supply tube, a feeding screw and a magnetic member. The developing device develops an electrostatic image formed on an image bearing member with a magnetic developer. The supply tube supplies the magnetic developer into the developing device. The feeding screw feeds the magnetic developer in the supply tube. The magnetic member confines the magnetic developer in a clearance between the supply tube and the feeding screw. The magnetic member is provided at a substantially radially outermost portion of the feeding screw.

Abstract: An image forming apparatus includes a developing device for developing an electrostatic image formed on an image bearing member with a magnetic developer; a supply tube for supplying t magnetic developer into the developing device; a feeding screw for feeding the magnetic developer in the supply tube; a magnetic member for confining the magnetic developer in a clearance between the supply tube and the feeding screw, wherein the magnetic member is extended along an outer configuration of the feeding screw.

Abstract: An image forming apparatus includes a developing device for developing an electrostatic image formed on an image bearing member with a magnetic developer; a supply tube for supplying the magnetic developer into the developing device; a feeding screw for feeding the magnetic developer in the supply tube; and a magnetic member for confining the magnetic developer in a clearance between the supply tube and the feeding screw, wherein the magnetic member is extended along an outer configuration of the feeding screw.

Abstract: An image forming apparatus includes an image forming unit for forming an image; a first electrical substrate having an electric circuit for electric power supply to the image forming unit; a second electrical substrate disposed above the first electrical substrate and having an electric circuit for operating the image forming unit; an opening formed above the first electrical substrate in fluid communication with ambient air; and a partition member for partitioning the first electrical substrate and the second electrical substrate and for forming an air flow path from the first electrical substrate to the opening.

Abstract: A sheet re-feeding path (32) is disposed substantially horizontally at a location below a fixing unit (14) and an image forming unit. At a location below the sheet re-feeding path (32), sheet decks (3, 4) are disposed horizontally along a sheet conveying direction in the sheet re-feeding path (32). Also, a drawing path (37) for switchbacking the sheet is disposed substantially horizontally between the sheet re-feeding path (32) and the sheet decks (3, 4). A sheet feeding path (7) for feeding the sheet from the sheet deck (3) disposed at an upstream side crosses the drawing path (37) to join to the sheet re-feeding path (32). Accordingly, a space, which is occupied by component parts or devices related to the conveyance of the sheet, can be made compact, whereby sheet capacity can be increased.

Abstract: An image forming apparatus includes a developing device for developing an electrostatic image formed on an image bearing member with a magnetic developer; a supply tube for supplying the magnetic developer into the developing device; a feeding screw for feeding the magnetic developer in the supply tube; a magnetic member for confining the magnetic developer in a clearance between the supply tube and the feeding screw, wherein the magnetic member is extended along an outer configuration of the feeding screw.

Abstract: An image forming apparatus includes image forming means for forming an image; a first electrical substrate having an electric circuit for electric power supply to the image forming means; a second electrical substrate disposed above the first electrical substrate and having an electric circuit for electric power supply to the image forming means; an opening formed above the first electrical substrate in fluid communication with an ambient air; and a partition member for partitioning the first electrical substrate and the second electrical substrate and for forming an air flow path from the first electrical substrate to the opening.

Abstract: A rotating force transmitting apparatus includes: a first and a second transmitting devices for transmitting rotating forces to a first and a second rotary members, wherein the first and the second transmitting devices include a first and a second clutches for intermittently transmitting the rotating forces; a common driving device for imparting the rotating forces to the first and the second transmitting devices, wherein the second clutch can be switched from the turned-off state thereof to the turned-on state thereof for rotating the second rotary member when the first rotary member is rotating with the first clutch being turned on; and a permitting device for permitting the transmission of a rotating force only in a normal rotational direction of the driving device to the first transmitting device.

Abstract: A sheet re-feeding path (32) is disposed substantially horizontally at a location below a fixing unit (14) and an image forming unit. At a location below the sheet re-feeding path (32), sheet decks (3, 4) are disposed horizontally along a sheet conveying direction in the sheet re-feeding path (32). Also, a drawing path (37) for switchbacking the sheet is disposed substantially horizontally between the sheet re-feeding path (32) and the sheet decks (3, 4). A sheet feeding path (7) for feeding the sheet from the sheet deck (3) disposed at an upstream side crosses the drawing path (37) to join to the sheet re-feeding path (32). Accordingly, a space, which is occupied by component parts or devices related to the conveyance of the sheet, can be made compact, whereby sheet capacity can be increased.

Abstract: A pivotally movable abutment mechanism is provided, which includes an abutment member for abutting against a member to be abutted over the longitudinal direction, a supporting member that supports the abutment member and is pivotally movable about a pivotal axis, a pressing member for pivotally moving the supporting member in the direction in which the abutment member is pressed against the member to be abutted, and a pivotal axis moving mechanism capable of changing the position of the pivotal axis by a pressing operation by the pressing member.

Abstract: A rotating force transmitting apparatus includes: a first and a second transmitting devices for transmitting rotating forces to a first and a second rotary members, wherein the first and the second transmitting devices include a first and a second clutches for intermittently transmitting the rotating forces; a common driving device for imparting the rotating forces to the first and the second transmitting devices, wherein the second clutch can be switched from the turned-off state thereof to the turned-on state thereof for rotating the second rotary member when the first rotary member is rotating with the first clutch being turned on; and a permitting device for permitting the transmission of a rotating force only in a normal rotational direction of the driving device to the first transmitting device.

Abstract: A pivotally movable abutment mechanism is provided, which includes an abutment member for abutting against a member to be abutted over the longitudinal direction, a supporting member that supports the abutment member and is pivotally movable about a pivotal axis, a pressing member for pivotally moving the supporting member in the direction in which the abutment member is pressed against the member to be abutted, and a pivotal axis moving mechanism capable of changing the position of the pivotal axis by a pressing operation by the pressing member.

Abstract: The present invention provides a reserving type original feeding apparatus comprising a circulating original feeding portion having a first stack tray on which originals are supported, a first separating/supplying means unit for separating and supplying the originals supported in the first stack tray one by one from the bottom, an introduction sheet path for introducing the original supplied by the first separating/supplying unit to a processing portion, and an ejection sheet path for introducing the original processed by the processing portion to the first supply tray from the processing portion; a reserving original feeding portion having a second stack tray on which originals are supported, a second separating/supplying unit for separating and supplying the originals supported in the second stack tray one by one from the bottom, and a second introduction sheet path for introducing the original supplied by the second separating/supplying unit to the processing portion; an original ejector tray arranged subs

Abstract: A sheet material binding apparatus for binding sheet materials with a cover material by a heat-adhesive bonding agent includes a heating plate on which the spine of the covering material having the bonding agent is placed, the heating plate being used for heating the bonding agent; a guide for supporting the covering material and the sheet materials vertically on the heating plate; a guide driver for moving the guide in a direction of a thickness of a set of the sheet materials to facilitate setting and removing of the covering material and the sheet materials; and a controller for controlling the guide driver.

Abstract: An original document feeder is provided with a first sheet path for guiding a document from stacker to below after inversion, a second sheet path branched from the first sheet path in a switchback fashion for guiding the sheet to a process position, and a third sheet path branched from the first sheet path in a switchback fashion for discharging the sheet, discharged from the process position, to a receiver after inversion.

Abstract: An apparatus for sorting sheet members, having a plurality of bin trays for accommodating sheet members, sheet member discharge rollers for discharging sheet members into the bin trays, a bin tray lift for moving the bin trays upward or downward at the time of discharge of each sheet member, and a controller for changing the process of discharging the sheet members in accordance with upward and downward movements of the bin trays so that the sheet members are landed on the bin trays by generally the same timing after discharge.