Abstract: A fuser includes: a rotational member configured to rotate; a press member configured to press a recording medium at a nip between the rotational member; an induction-current generator configured to generate induction current in the rotational member; and a controller configured to increase rotating speed of the rotational member after a trailing end of a preceding recording medium passes through the nip until a leading end of a following recording medium reaches the nip.

Abstract: A fuser includes: a rotational member configured to rotate; a press member configured to press the rotational member; an induction-current generator configured to generate induction current in the rotational member; and a separator configured to separate a leading end of a recording medium that passes through a nip from the rotational member, when a distal end is in a separating position, and move to an open position.

Abstract: A fuser includes: a rotational member configured to rotate; a press member configured to form a nip between the press member and the rotational member; an induction-current generator configured to generate an induction current in the rotational member; and a controller configured to reduce a nip temperature of the nip when a leading end of a recording medium reaches the nip to be lower than a nip temperature when an image on the recording medium is fixed.

Abstract: A fuser includes: a belt member; plural rotational members configured to support the belt member; a press member configured to form a nip between the press member and the belt member; an induction-current generator configured to generate induction current in the belt member; and a controller configured to increase the induction current while a recording medium passes through the nip.

Abstract: Certain embodiments provide a fuser including: a heat roller; a press roller; a coil; an inverter; a driver; a mechanism configured to change a clearance of a gap between a coil and an outer circumferential surface of the heat roller; and a controller. The controller sends information indicating a first power level to the driver. The mechanism changes the clearance to a first distance. The controller sends information indicating a second power level larger than the first power level to the driver. The mechanism changes the clearance to a second distance larger than the first distance.

Abstract: A conductive contact holder includes an insulating holder member and a conductive block member. The insulating holder member is made of an insulating material and includes a first insertion hole through which a signal conductive contact inputting and outputting a signal to and from a circuit is directly inserted over substantially its full length. The conductive block member is made of a conductive material and includes a second insertion hole through which the ground conductive contact is inserted in partial contact therewith.

Abstract: An optical recording medium includes: a substrate having a first principal surface and a second principal surface; one or plural information signal layers formed on the first principal surface of the substrate for undergoing recording or reproduction of information signals upon irradiation with light; and a barrier layer formed on the second principal surface of the substrate for suppressing the gas release from the second principal surface of the substrate, wherein an area of a region exposing from the barrier layer of the second principal surface of the substrate is not more than 688 mm2.

Abstract: A transmitting circuit transmits data to which an error detection code is attached to a receiving circuit via a transmission path. When detecting the error of the data received via the transmission path, a receiving circuit transmits a retransmit request for the data in which the error is detected to the transmitting circuit. The receiving circuit enters a termination unit adjustment period using the error detection of the received data as a trigger and updates the resistance values of a receiving side termination unit installed at the termination of the transmission path to an appropriate value within the termination unit adjustment period.

Abstract: Plural main cores and plural sub-cores are arranged spaced apart from each other along a direction orthogonal to a rotating direction of a heat belt. The plural main cores are opposed to a first area where a sheet having first width in the heat belt passes. The plural sub-cores are opposed to second areas that are areas excluding the first area in an area where the sheet having second width larger than the first width in the heat belt passes. The plural sub-cores have thickness in the direction orthogonal to the rotating direction of the heat belt smaller than the thickness of the plural main cores.

Abstract: A heating fuser includes: a rotating member configured to heat a toner transferred onto a sheet; a first coil body configured to generate a first magnetic field for inducing eddy-current in a first area including the center in a rotation axis direction of the rotating member; second coil bodies configured to generate second magnetic fields for inducing eddy-current in second areas of the rotating member adjacent to the first area in the rotation axis direction; third coil bodies located to extend over the first and second coil bodies when viewed in a direction orthogonal to the rotation axis direction; and a driving circuit configured to drive the third coil bodies between a first state in which the third coil bodies generate magnetic fields for weakening the first magnetic field and a second state in which the third coil bodies generate magnetic fields for strengthening the second magnetic fields.

Abstract: A mutual electrically connecting part mutually connects a plurality of information processing parts, wherein the mutual connecting part comprises a phase adjusting part configured to adjust a phase from each of the respective ones of the plurality of information processing parts; and the mutual connecting part further has a power supply cut signal transmitting part transmitting a power supply cut signal, indicating that power supply to any one of the plurality of information processing parts is cut, to the phase adjusting part corresponding to the information processing part; and an initializing part initializing the phase adjusting part corresponding to the information proceeding part for which power supply is cut, in response to the transmission of the power supply cut signal from the power supply cut signal transmitting part.

Abstract: Provided is a probe card capable of surely bringing probes into contact with a contact object regardless of a temperature environment of a test. To achieve the object, the probe card includes a plurality of probes that are made of a conductive material and come into contact with electrode pads of a semiconductor wafer to input or output an electric signal; a probe head that houses and holds the probes; a substrate that has a wiring pattern corresponding to the circuitry; and a space transformer that is stacked on the probe head, changes a space of the wiring pattern of the substrate and thus relays wires, and has electrode pads provided on a surface on a side opposed to the probe head in association with the relayed wires. Both ends of the probes come into contact with portions near the centers of the electrodes pads of the semiconductor wafer and the space transformer under an environment having an average temperature of a lowest temperature and a highest temperature in testing the semiconductor wafer.

Abstract: A method capable of stirring a liquid sample and a reagent promptly and easily includes the following steps (A) and (B). In step (A), using a cell including: a liquid sample retaining section having a plurality of particles; and a liquid sample supply inlet, a liquid sample containing an analyte is supplied from the liquid sample supply inlet to the liquid sample retaining section. In step (B), the liquid sample and a specific binding substance capable of specifically binding to the analyte are stirred by the movement of the particles caused by the flow of the liquid sample in the cell resulting from the supply of the liquid sample, to obtain a liquid mixture. The electric charge of at least the surface of the particles and the electric charge of the specific binding substance have the same polarity in the liquid mixture.

Abstract: In a drive detection device for a fixing device according to an embodiment of the present invention, a non-paper passing area of a heat roller is formed by a surface where a metal conductive layer is exposed and a surface where a silicon rubber layer is exposed. The drive detection device has an infrared temperature sensor that detects the temperature of the non-paper passing area. When a detection result of the infrared temperature sensor is fluctuated a fixed amount or more in a predetermined time, the drive detection device determines that the heat roller is rotating. Otherwise, the drive detection device determines that the heat roller is not rotating.

Abstract: A probe card includes a probe head that holds a plurality of probes; a flat wiring board that has a wiring pattern corresponding to a circuit structure; an interposer that is stacked on the wiring board and relays wirings of the wiring board; a space transformer that is placed between the interposer and the probe head, transforms a space between the wirings relayed by the interposer, and leads the transformed wirings out to a surface facing the probe head; and a plurality of post members that are formed in a substantially columnar shape with a height larger than a sum of a thickness of the wiring board and a thickness of the interposer, and embedded to pierce through the wiring board and the interposer in a thickness direction such that one of end surfaces of each post member comes into contact with the space transformer.

Abstract: A conductive contact holder and a conductive contact unit with improved corrosion resistance and with excellent durability are provided. To this end, there is provided: a holder substrate having a first opening that accepts a signaling conductive contact that inputs and outputs a signal to and from a circuitry, and a second opening that accepts a grounding conductive contact for supplying a ground potential to the circuitry; a first holding member that is inserted into the first opening to hold the signaling conductive contact; and an insulating coat that is made of an insulating material, and covers at least one surface of the holder substrate.

Abstract: An image forming apparatus with an image forming section which forms an toner image on a transported sheet; a fixing section which includes a heat source and fixes the toner image on the sheet; a coupling unit which electrically couples the image forming apparatus main unit and the fixing equipment to each other; and a circuit which detects the temperatures of various portions of the fixing equipment, controls the energization condition to the heat source depending on the temperature detection results and stops the energization of the heat source if a temperature beyond a predetermined temperature range is detected by either the first or second temperature detection element, if the coupling unit is disconnected, or if the second temperature detection element is broken.

Abstract: A fixing device according to an embodiment of the present invention includes a microcomputer that exclusively performs temperature control for the fixing device. The microcomputer periodically calculates electric power that can be supplied to the fixing device. The microcomputer detects the temperature of the fixing device and the temperature in a printer unit and feedback-controls electric power supplied to the fixing device.

Abstract: A probe card includes a plurality of probes that contacts a plurality of electrodes provided in the semiconductor wafer and that inputs or outputs an electrical signal in or from the electrodes, a probe head that holds the probes, a substrate having a wiring which is provided near the surface of the substrate facing the probe head so as to be contactable with the probe head and is connected to the probes, a core layer formed of a material which is buried in the substrate and has a coefficient of thermal expansion lower than that of the substrate, and a connecting member that electrically connects at least some of the probes with an external device via the wiring.

Abstract: A conductive-contact holder base accommodates at least a signal conductive-contact that is a conductive contact for performing input and output of a signal for a predetermined circuit configuration and a ground conductive-contact that is a conductive contact for supplying a ground potential to the predetermined circuit configuration. A holder base is formed of a conductive material, including a first opening for accommodating the signal conductive-contact; and a second opening for accommodating the ground conductive-contact while maintaining an electrical connection with the ground conductive-contact. An insulating member covers an inner surface of the first opening.