Abstract: A projection screen includes a substrate with a first substrate surface. The first substrate surface includes a first region and a second region adjacent to the first region. Multiple first wire grid bodies extending in a first direction are provided in the first region. Multiple second wire grid bodies extending in the first direction are provided in the second region. Each first wire grid body includes a first contact surface connected to the substrate and a first surface, and a first angle is formed therebetween. The first angles gradually decrease in a direction from the first region to the second region. Each second wire grid body includes a second contact surface connected to the substrate and a third surface, and a third angle is formed therebetween. The third angles gradually increase in a direction from the first region to the second region.

Abstract: A method of monitoring a semiconductor fabrication facility and a semiconductor fabrication facility are provided. The method includes collecting an ambient air in a clean room through a plurality of gas lines with their gas inlets arranged at a plurality of sampling positions in the clean room. The method also includes measuring a parameter of the ambient air by a plurality of metrology devices which are connected to the gas lines. At least two of the sampling positions are measured simultaneously. The method further includes issuing a warning when the parameter detected by the metrology devices is outside a range of acceptable values.

Abstract: A transfer belt unit for use with an image forming apparatus includes: a transfer belt; and a belt memory. The transfer belt is configured to transfer toner on a photosensitive drum of the image forming apparatus onto a sheet conveyed to a portion between the photosensitive drum and the transfer belt. The transfer belt is also configured to make contact with a cleaning roller of the image forming apparatus and to be cleaned by the cleaning roller. The belt memory includes: a first storage area configured to store therein a first rotation time period indicating a total of a period of time that the cleaning roller rotates at a first rotational speed; and a second storage area configured to store therein a second rotation time period indicating a total of a period of time that the cleaning roller rotates at a second rotational speed faster than the first rotational speed.

Abstract: The projection screen includes a reflective layer and a light-absorbing layer, where the reflective layer is configured to receive and reflect projection light, and the light-absorbing layer is arranged on the reflective layer; the light-absorbing layer includes a plurality of irregularly arranged light-absorbing members; and the light-absorbing members are configured to absorb at least a part of the projection light, so as to make a brightness of a projected image uniform.

Abstract: A fixing device includes a fixing roller and a pressure roller provided in a rotatable manner, a heat source for heating the fixing roller, and a controller for controlling AC power supplied to the heat source. The fixing device fixes an unfixed image on a sheet held and conveyed by the fixing roller and the pressure roller. The controller causes a current to flow including current-carrying waveforms having different phase angles in half-wave units during preset control cycles.

Abstract: In a cartridge, a housing has a developer accommodating portion and includes a first side wall and a second side wall. A coupling member is disposed at a position opposite to the developer accommodating portion with respect to the first side wall. A detection body is disposed at a position opposite to the developer accommodating portion with respect to the second side wall. A first driving force transmission member is positioned at the same side with the coupling member with respect to the first side wall, and transmits driving force from the coupling member to a rotating member. A second driving force transmission member is positioned at the same side with the detection body with respect to the second side wall, and transmits driving force from the rotating member to the detection body.

Abstract: A test apparatus for testing device under test (DUT) having an antenna located on the DUT is disclosed. The test apparatus includes: a housing, a socket configured to electrically connect the DUT to a load board, a gripper assembly configured to hold the DUT in place, a retractor configured to release the DUT from the gripper assembly, and an alignment plate configured to align the DUT with the socket. The gripper assembly includes a base and an extender, the base is attached to the housing, and the extender is configured to hold the DUT in place. When the retractor is disengaged from the extender, the extender is configured to hold the DUT in place. When the retractor is engaged with the extender, the extender is configured to release the DUT on the alignment plate.

Abstract: An information display system having acute-angled diffusion characteristics configured to display an image to inside or outside of a space via a transparent projected member, the information display system including an image projection apparatus, a transparent sheet provided on an inner surface of a display region set on a part of the projected member; and a light direction changing unit that directs a direction of image light toward the transparent sheet of the display region, the image projection apparatus including an image light characteristic converting unit, and an image light control film that restricts an emission direction of the image light being provided on an upper surface of the image projection apparatus, so that the image light is not directly delivered to an observer and the image light reflected by the transparent sheet is recognized by the observer.

Abstract: A developing device includes a developing container, a first stirring conveyance member, a second stirring conveyance member, a developer carrying member including a developing sleeve and a magnet, and a regulation member. The regulation pole in the magnet has a region extending over 10° or more in which a maximum value of a vertical magnetic force is not more than 65 [mT] and a vertical magnetic force gradient is not more than 0.3 [mT/°]. A peak position of the vertical magnetic force gradient of the regulation pole is arranged at a position opposed to the second stirring conveyance member, and when a value of the vertical magnetic force gradient and a value of the vertical magnetic force at the peak position of the vertical magnetic force gradient are indicated as A [mT/°] and K [mT], respectively, A?2.8 and A×K?62.5 are satisfied.

Abstract: A device for the photoacoustic characterisation of a gaseous substance, includes a chamber intended to contain the gaseous substance to characterise and into which a light beam is injected. The chamber is delimited, inter alia, by an inner face, on which a part of the light beam is reflected. This inner face is etched so as to have recesses, each recess being delimited laterally by a lateral surface of which a part at least is tilted, with respect to an average plane of the inner face, by a given tilt angle (?).

Abstract: An image forming system includes: an image forming apparatus that includes a transfer device that transfers a toner image onto a sheet and a fixing device that fixes the toner image; a sheet heating device that heats the sheet on an upstream of the fixing device in a sheet conveyance direction; a first detector that detects a temperature inside the image forming apparatus; a second detector that detects a temperature of the sheet before the sheet heating device heats the sheet; and a controller that causes the sheet heating device to heat the sheet based on a detection result by the second detector and a sheet passing condition of the sheet, and corrects at least one of a transfer current and a transfer voltage in the transfer device based on a detection result by the first detector in a case where the sheet heating device heats the sheet.

Abstract: An image-capturing device includes a camera and a rotating mechanism for orienting the camera in multiple directions. The rotating mechanism includes a motor; a driving gear; a first transmission module including a first input gear, which is selectively engaged with and transmitted to rotate by the driving gear at a first position, and transmitting the camera to rotate in a first direction with rotation of the first input gear; a second transmission module including a second input gear, which is selectively engaged with and transmitted to rotate by the driving gear at a second position, and transmitting the camera to rotate in a second direction with rotation of the second input gear; and a clutch mechanism including a clutch device for driving the driving gear to switch between the first position and the second position. The clutch device includes a solenoid.

Abstract: The present invention provides a board mountable system for filming underwater video. The inventive board mountable system can be mounted to the underside of water vehicles for incorporating a camera for filming from an underwater perspective. The inventive board mountable system is shaped to minimize drag as a result of the mounted camera or camera system. Embodiments of the inventive system includes a fin shaped housing for holding a camera or camera system. In certain embodiments, the fin is removably attached to the water vehicle, such as a surf board, where the fin housing can be swapped with other fins being used with the water vehicle for controlling the direction of a watersports board in motion. These embodiments of the inventive system further include a connection means for connecting the fin to the underside of a water vessel.

Abstract: The present disclosure relates to an electrically controlled sliding apparatus for photographic equipment and a locking assembly thereof. The locking assembly for the electrically controlled sliding apparatus includes a fixed base mounted on the electrically controlled sliding apparatus and a locking fitting mounted on the fixed base. A driven member of the electrically controlled sliding apparatus is mounted within the fixed base. The locking fitting is capable of rotating relative to the fixed base after being pressed against the fixed base, so as to lock or unlock the driven member. The locking assembly for the electrically controlled sliding apparatus provided by the present disclosure is convenient to operate and simple in structure, and is capable of achieving that the sliding block is rapidly locked or unlocked on the guiding rail.

Abstract: According to one embodiment, there is provided a temperature abnormality detection circuit provided in a temperature control device includes a target temperature determination circuit, a difference arithmetic circuit, a temperature abnormality determination circuit, and a storage circuit. The temperature abnormality detection circuit is configured to determine the presence or absence of temperature abnormality by a response situation of a detected temperature by a temperature sensor, calculate a current temperature difference from the detected temperature acquired by the temperature sensor if it is determined that there is a temperature abnormality and an estimated WAE temperature value, and determine whether the temperature sensor is abnormal or the control circuit side is abnormal based on the result of comparison between the temperature difference and a preset threshold value.

Abstract: A gimbal control method includes obtaining a working parameter of a gimbal, where the gimbal includes an axial arm and a motor configured to drive the axial arm to rotate to drive a photographing device mounted on the gimbal to move in one or more directions. The method further includes obtaining a working parameter of the gimbal when the gimbal is controlled by a remote controller; and in response to the measured working parameter being greater than the working parameter of the gimbal when the gimbal is controlled by the remote controller, controlling the motor to drive the axial arm to rotate to a target attitude.

Abstract: An image forming apparatus includes a rotatable image bearing member and a rotatable developing member to carry developer made up of toner particles and carrier particles adhered to surfaces of the toner particles. Where a pressing force pressing the developing member against the image bearing member is F1, a total number of the carrier particles interposed between the toner particles and the image bearing member is N1, and an adhesion Ft between a carrier particle and a toner particle, measured when the carrier particle is pressed against the toner particle with F1/N1 that is a pressing force per unit carrier particle, and an adhesion Fdr1 between the carrier particle and the image bearing member, measured when the carrier particle is pressed against the image bearing member with F1/N1, satisfy Ft?Fdr1.

Abstract: An image forming apparatus includes an intermediate transfer member, first and second transfer members, and a control unit. The control unit includes a first state where both the first and second transfer members are separated from the intermediate transfer member, a second state where the first transfer member contacts the intermediate transfer member and the second transfer member is separated from the intermediate transfer member, and a third state where both the first and second transfer members contact the intermediate transfer member. The control unit controls the driving member to move the moving unit, controls switch the first state to the second state and thereafter switch the second state to the third state. A rotation speed of the driving member when the second state is switched to the third state is lower than a rotation speed of the driving member when the first state is switched to the second state.

Abstract: An image forming apparatus includes: an image bearing member that carries a developer image; a transfer member that forms a transfer nip portion with the image bearing member and transfers the developer image in the transfer nip portion from the image bearing member to a recording material; a fixing portion that includes a heater and fixes the developer image to the recording material using heat of the heater; a temperature detection portion that detects a temperature of the fixing portion; a control portion that controls power supplied to the heater such that the temperature detected by the temperature detection portion becomes a predetermined control target temperature; and an acquisition portion that acquires a temperature of the image bearing member or the transfer member. The control target temperature is changed based on the temperature acquired by the acquisition portion.

Abstract: A transfer belt, to be used in a state of being in contact with a cleaning member and an image carrier, and to which a developer image is to be transferred from the image carrier, includes a surface layer and a base layer. The surface layer is in contact with the image carrier and the cleaning member. The base layer disposed at a position more apart from the image carrier and the cleaning member than the surface layer. The surface layer is provided with grooves formed by transferring a predetermined mold shape and extending in a first direction along a moving direction of the transfer belt in an operating state. The arithmetic average roughness of the surface layer in a predetermined region is less than or equal to 0.2 ?m.