Abstract: A light-emitting thyristor includes a first semiconductor layer of a P type, a second semiconductor layer of an N type arranged adjacent to the first semiconductor layer; a third semiconductor layer of the P type arranged adjacent to the second semiconductor layer; and a fourth semiconductor layer of the N type arranged adjacent to the third semiconductor layer. A part of the first semiconductor layer is an active layer adjacent to the second semiconductor layer. A dopant concentration of the active layer is higher than or equal to a dopant concentration of the third semiconductor layer. A thickness of the third semiconductor layer is thinner than a thickness of the second semiconductor layer. A dopant concentration of the second semiconductor layer is lower than the dopant concentration of the third semiconductor layer.
Abstract: There is provided a neural network reduction device including: an input section configured to acquire a first neural network including a plurality of processing layers that includes at least one convolutional layer; a generation section configured to generate a third neural network in which at least one second neural network is connected as an additional layer to a stage subsequent to the convolutional layer included in the first neural network; a learning section configured to train the third neural network; a correction section configured to select, as a redundant channel, a channel whose feature value calculated on a basis of a weight parameter of the second neural network establishes a predetermined relationship with a predetermined threshold, delete the redundant channel from the convolutional layer, and correct a weight parameter of the convolutional layer after deletion of the redundant channel on a basis of at least a portion of the weight parameter of the second neural network; a relearning section c
Abstract: An image formation unit according to an embodiment may include: a main body that holds an image carrier; and a shutter unit including first and second shutter members rotatably held with respect to the main body, wherein the shutter unit transits between an opened state where the first and second shutter members are unfolded, a closed state where the first and second shutter members are folded, and an intermediate state between the opened and closed states; a guide member supported by the main body and configured to regulate a movement of the second shutter member in a direction away from the image carrier while abutting on a first abutting portion of the second shutter member when transiting between the closed and opened states; and a holding member configured to abut on a second abutting portion of the second shutter member so as to hold the intermediate state.
Abstract: A developer container includes: a case that stores developer and in which a developer outlet for discharging the developer is formed; a conveying spiral that is rotatably disposed in the case and rotates to convey the developer toward the developer outlet in an axial direction of the conveying spiral; a guide wall that is disposed along the conveying spiral and guides the developer in the axial direction of the conveying spiral; and a push member that is attached to the conveying spiral and rotates with the conveying spiral to push the developer into the developer outlet. A cutout is formed at a portion of the guide wall corresponding to the push member to form a guide portion that guides the developer to the developer outlet.
Abstract: An image formation apparatus according to an embodiment may include: a fixation unit detachable from a main body of the image formation apparatus; a movable guide member holding a first connector and movably provided to the main body; a second connector provided to the fixation unit; and an engagement portion provided around the second connector. Upon mounting the detachable unit to the main body, the engagement portion contacts the movable guide member to move the movable guide member to position the first connector held by the movable guide member to a fittable range where the first and second connectors can be fitted to each other. Upon fitting the first and second connectors to each other, the first connector contacts the second connector to move the movable guide member holding the first connector to align the first connector to the second connector.
Abstract: An optical head comprises a substrate on which optical elements are arranged in a main scanning direction, a lens unit that transmits light emitted from the optical elements or light entering the optical elements, and a holder that holds the lens unit. The holder has a sidewall extending in the main scanning direction. The sidewall has a hole at a position facing the lens unit. A fixing member is provided in the hole. The fixing member fixes the lens unit to the sidewall.
Abstract: A print method for using an image forming device to print an encrypted file transmitted from a terminal device includes a reception step in which a password of the encrypted file is received, a decryption step in which normal data is generated by decrypting the encrypted file using the password, a restriction setting step in which, based on the normal data, restricted data is generated which is set so as to restrict print processing, a restriction releasing step in which, based on an operation of a user with respect to the image forming device, the restriction of the restricted data is released so that to generate the normal data; and a printing step in which the normal data is printed using the image forming device.
Abstract: A fixing device includes an annular belt, a heating member disposed to face an inner circumferential surface of the annular belt; and a heat storage member disposed to face a surface of the heating member on a side opposite to the annular belt. A thermal diffusivity of the heat storage member is lower than a thermal diffusivity of the annular belt.
Abstract: An image formation apparatus according to an embodiment may include: an apparatus housing including a stacker and an opening provided at the stacker; a fixation device removably attached to the apparatus housing through the opening and including a handle rotatable between an upright position and a laid-flat position; and a laid-flat position-keeping detent mechanism. In a state where the fixation device is attached to the apparatus housing, a portion of the fixation device that is exposed from the opening provided at the stacker forms a portion of the stacker and a connector of the fixation device is mated to a connector of the apparatus housing. By at least a predetermined force being applied to the handle to transition the handle from the upright position to the laid-flat position, the laid-flat position-keeping detent mechanism allows the handle to transition to the laid-flat position and keeps the handle in the laid-flat position.
Abstract: A machine learning device according to an embodiment may include: a state variable acquisition unit that acquires first and second state variable datasets including print results performed at first and second printing speeds respectively by an image formation apparatus; a teaching data acquisition unit that acquires first and second teaching data corresponding to the first and second printing speeds; and a learned model generation unit that generates a first learned model by performing machine learning based on the first state variable dataset and the first teaching data, and generates a second learned model by performing machine learning based on the second state variable dataset and the second teaching data. Each of the first and second state variable datasets includes: feature value information; medium information; and first control information. Each of the first and second teaching data includes: second control information; and a print defect value.
Abstract: It is possible to improve estimation accuracy with regard to data in which significance is attached to a relative phase. Provided is an information processing device including an estimation unit configured to estimate a status by using a neural network. The neural network includes a first complex-valued neural network to which complex data is input, a phase difference computation layer from which phase difference for each element between a plurality of sets with regard to the complex data is output, and a second complex-valued neural network from which complex data is output on the basis of the phase difference.
Abstract: A communication device includes a communication section and a controller. The communication section is communicable with a network apparatus via a relay device. The controller controls an operation of the communication section, thereby causes the communication section to transmit one or more search packets to the relay device, and causes the communication section to start communicating with the network apparatus after receiving any of the one or more search packets. The one or more search packets include the communication section as a transmission target.
Abstract: A fusing device includes an annular belt, a heat generation member arranged inside the annular belt, and a heat transmission member that has first and second faces, wherein the first face opposes the heat generation member and the second face opposes the annular belt, and the heat transmission member transmits heat to the annular belt, wherein the heat transmission member satisfies the following Conditional Expression (1): D/L?0.18×S?28??(1) where D means a thermal diffusivity [×10?6 m2/s] that is determined along the first face of the heat transmission member, L means a half of an interval [×10?3 m] between two of the heat generation parts adjacent to one another, and S: the carrying speed [×10?3 m/s] at which the medium is carried.
Abstract: An image forming apparatus includes a cutting part cutting a medium, a transfer part arranged on a downstream side of the cutting part in a carrying direction and transfers a developer image to the medium; a flexure forming part having a guide part and forms a flexure of the medium by bending the medium between the cutting part and the transfer part in the carrying direction; and an opposing part that is arranged opposing the flexure forming part via a carrying path through which the medium is carried, wherein the guide part performs a retreat movement either before or after the cutting part starts to cut the medium, wherein the retreat movement is a movement of the guide part in which the guide part moves in a direction away from the opposing part.
Abstract: A composite integrated film includes a base member thin film having a base member first surface and a base member second surface facing each other, one or more penetration parts penetrating the base member first surface and the base member second surface of the base member thin film, one or more electrodes each including an electrical path part formed between the base member first surface and the base member second surface via the penetration part and an electrode surface in a planar shape formed on the base member second surface's side, and one or more elements provided on the base member first surface of the base member thin film and electrically connected to the electrodes, wherein the electrode surface and the base member second surface form a same flat surface.
Abstract: A load controller includes a control device, a switching device, an arc suppression circuit, and a control section. The control device is provided on an electric power supply path between first and second terminals coupled to an alternating-current electric power source, and controls electric power supply to a load provided on the electric power supply path. The switching device is provided on the electric power supply path and is to be in an open state or a closed state. The arc suppression circuit is to suppress discharge at the switching device. The arc suppression circuit is to be set to an enabled state or a limited state. The control section controls operation of the control device, the switching device, and the arc suppression circuit. The control section varies the arc suppression circuit from the limited state to the enabled state after bringing the switching device into the closed state.
Abstract: An image forming device that forms an image on a medium, includes: a heater that heats the medium; a control unit that controls the heater; a first path that receives input voltage from an external power supply, converts the input voltage into desired voltage, and supplies the desired voltage to the control unit; a second path that divides the input voltage received by the first path and supplies the input voltage to the heater; a control element that is connected to the second path and controls ON/OFF switching of the heater according to control from the control unit; and a disconnection unit that disconnects the second path depending on condition of the input voltage.
Abstract: An image formation unit according to an embodiment may include: a main body that holds an image carrier; and a shutter unit including first and second shutter members rotatably held with respect to the main body, wherein the shutter unit transits between an opened state where the first and second shutter members are unfolded, a closed state where the first and second shutter members are folded, and an intermediate state between the opened and closed states; a guide member supported by the main body and configured to regulate a movement of the second shutter member in a direction away from the image carrier while abutting on a first abutting portion of the second shutter member when transiting between the closed and opened states; and a holding member configured to abut on a second abutting portion of the second shutter member so as to hold the intermediate state.