Abstract: A vehicle headlight system comprises a headlight that irradiates light in front of a host vehicle, a target detection section that is configured to detect a target present in front of the host vehicle, a display that is provided inside a vehicle cabin of the host vehicle, a first memory, a first processor that is coupled to the first memory, a second memory, and a second processor that is coupled to the second memory. The first processor includes a light irradiation control function that is configured to control light distribution of the headlight, based on a detection result by the target detection section.

Abstract: A liquid jet head has a jetting portion with nozzles for jetting a liquid that is contained in a liquid container. A liquid storing portion is disposed in a conduit that interconnects the liquid storing portion and the jetting portion and that supplies the liquid in a liquid container to the jetting portion through operation of a pump. The liquid storing portion is configured to dampen fluctuations in the pressure in the conduit. A pressure sensor is disposed in the conduit for measuring a pressure in the conduit. The operation of the pump for supplying the liquid in the liquid container to the jetting portion is controlled based on a value of the pressure measured by the pressure measuring means so that the pressure of the liquid supplied from the conduit to the jetting portion is within a predetermined pressure range.

Abstract: A liquid jet head has an actuator with grooves arranged on a surface of a substrate. The actuator is configured to discharge liquid from nozzles communicating with respective ones of the grooves. A flow path member supplies the liquid to the grooves of the actuator. A damper member is provided between the actuator and the flow path member for coupling the actuator and the flow path member to each other. The damper member is bonded with an adhesive to each of the actuator and the flow path member.

Abstract: To prevent ejection failure which occurs because openings of nozzles are clogged with fine burrs generated at a parting line (P) of a flow path member (2) formed by molding, provided is a liquid jet head (1) including the flow path member (2) and an actuator portion (3). The flow path member (2) includes a first member (4) and a second member (5) bonded thereto. A flow path (8) and a discharge port (12) communicated to the flow path (8) are formed between the first member (4) and the second member (5). The first and second members (4, 5) each include a parting line formed by molding on a surface thereof. The parting line is not positioned on an inner surface forming the flow path (8), and is positioned on the surface of the first member (4) or the second member (5) other than the inner surface.

Abstract: To print an excellent image formed without distortion or image failure by mitigating irregularities, inclination, or the like of an installation floor surface. In an ink jet recording apparatus including an ink jet recording apparatus main body and a leg portion, a deformation absorbing member is interposed in a joint portion between the ink jet recording apparatus main body and the leg portion. Therefore, even if there are the irregularities, the inclination, or the like on a floor surface to which the ink jet recording apparatus is installed, it is possible to ensure leveling of a print surface in the ink jet recording apparatus main body, thereby being capable of obtaining the excellent image without the distortion or the image failure.

Abstract: A liquid jet recording apparatus adjusts the pressure of liquid jetted from a jetting portion toward a recording medium. The liquid jet recording apparatus has a pressure sensor provided in a tube between a liquid storing portion and a roller tube pump. The pressure of the liquid which flows through the tube is measured, and a pressure value is sent to a control portion. The pressure value is compared with lower limit values and upper limit values stored in a definition file stored in the control portion, and a corresponding drive signal is sent to a drive portion to drive the roller tube pump in a forward or a reverse direction to adjust the pressure of the liquid in the jetting portion.

Abstract: A liquid jet recording apparatus includes a liquid container that contains liquid, a jetting portion disposed at a lower level than the surface of the liquid contained in the liquid container for jetting the liquid, and a conduit for communicating the jetting portion with the liquid container. An on-off valve opens or closes the conduit to permit or block the flow of the liquid in the conduit. A liquid storing portion damps pressure fluctuations of the liquid which flows in the conduit and is disposed in the conduit between the on-off valve and the jetting portion. A pressure sensor measures the pressure of the liquid in the conduit, and a control portion controls the on-off valve to be opened or closed based on a pressure value measured by the pressure sensor.

Abstract: Provided are a rotating device for a liquid jet head, a liquid jet recording apparatus, and a method of filling liquid into a liquid jet recording apparatus, which are capable of keeping print precision, simplifying the structure, and reducing manufacturing cost. A rotating device (60) includes a rotating unit (62) to which an ink jet head (10) is attached, and a base unit (61) for rotatably supporting the rotating unit. The rotating unit includes a rotating plate (63) rotatably supported by the base unit via a rotating shaft (69), and a slide mechanism (65) supported so as to be slidable in a direction of a radius of the rotation shaft (69) with respect to the rotating plate and to which the ink jet head is attached. The slide mechanism is formed so as to slide with respect to the rotating plate in synchronization with rotating operation of the rotating plate.

Abstract: Provided is a carriage unit which enables easy attachment/detachment of a liquid jet head (4) to/from a carriage (62a) and which enables securement of positioning accuracy of the liquid jet head (4) with respect to the carriage (62a). The carriage unit includes: the liquid jet head (4) having a plurality of jetting holes arranged therein, for jetting liquid toward a recording surface of a recording medium; and the carriage (62a) which relatively moves in parallel with the recording surface under a state in which the liquid jet head (4) is fixed thereto, in which: the carriage unit further includes a lever (80) for detachably fixing the liquid jet head (4) by rotating and engaging the lever (80) with respect to the carriage (62a); and the liquid jet head (4) is positioned with respect to the carriage (62a) in respective directions with rotating operation and engaging operation of the lever (80).

Abstract: A rolled body holder includes a center shaft member serving as a lead screw connected to a handle, a cam member screwed to the center shaft member, and a plurality of segments which form a cylindrical body covering the center shaft member and the cam member. The cam member includes a plurality of rails, and each of the rails includes a cam surface with a radially varying height. Each of the segments includes a follower part fitted to the rail and relatively slidable along the cam surface and an outer surface part on which multiple projections are formed. When the cylindrical body is inserted into a paper tube of a rolled body and the handle is rotated, the center shaft member is rotated to move the cam member in the longitudinal direction. Then, a portion of the cam surface, which is higher in the radial direction, is brought into contact with the follower part, and each of the segments extends in the radial direction so that the projections bite into an inner surface of the paper tube.

Abstract: Provided are a liquid jet head, a carriage unit, a pressure control method, and a liquid jet recording apparatus, which are capable of increasing or decreasing pressure of liquid to an optimum value by precisely measuring the pressure of the liquid when the liquid is jetted from a nozzle. The liquid jet head includes a jetting portion (17) having a plurality of nozzles for jetting liquid (5a), a liquid storing unit (15) disposed in a conduit (6), the conduit (6) being for supplying the liquid (5a) in a liquid container (5) via a roller tube pump (7) to the jetting portion (17), the liquid storing unit (15) being for damping pressure fluctuations in the conduit (6), and a pressure sensor (22) serving as pressure measuring means disposed in the conduit (6) connecting the liquid storing unit (15) and the jetting portion (17), for measuring the pressure in the conduit (6a).

Abstract: Provided are a liquid jet recording apparatus and a liquid jet recording method, which simplify a structure for adjusting pressure of liquid supplied to nozzles.

Abstract: Provided is a liquid jet head (1) which is capable of reducing variations in discharge speed of liquid discharged from a nozzle (7) and controlling with high precision a place and an amount of a discharged liquid droplet, thereby improving reliability. The liquid jet head (1) includes an actuator (2) having a plurality of long grooves (8) arranged on a surface of a substrate, the actuator (2) being for discharging liquid from nozzles (7) which communicate to the grooves (8), respectively, a flow path member (3) for supplying the liquid to the grooves (8) of the actuator (2), and a damper member (4) provided between the actuator (2) and the flow path member (3).

Abstract: A planar metal platen opposes an ink jet recording head for ejecting solvent-based ink and is secured through supporting members formed of polyphenylene sulfide containing glass fibers to a metal frame under a state not touching the frame directly. The platen is fixed with a heater for drying ink on a recording medium on the platen quickly. Each supporting member is secured to the frame by means of a bolt penetrating an elongated hole, and a relative position of the supporting member and the platen supported by the member, and the frame and the ink jet recording head supported by the frame, can be adjusted by shifting the position of the bolt in the elongated hole. Consequently, transmission of heat from the heater to the platen is suppressed and good recording is ensured by suppressing partial temperature difference of the platen.

Abstract: We provide a liquid jet recording apparatus includes: a liquid container; a jetting portion for jetting the liquid disposed lower than the surface of the liquid contained in the liquid container; a conduit for communicating the jetting portion with the liquid container disposed between the jetting portion and the liquid container; an on-off valve for open or close the conduit being disposed in the conduit; a liquid storing portion for damping pressure fluctuations of the liquid which flows in the conduit disposed in the conduit between the on-off valve and the jetting portion; a pressure sensor for measuring the pressure of the liquid in the conduit disposed in the conduit between the liquid storing portion and the jetting portion; and a control portion for controlling the on-off valve to be opened or closed based on a pressure value measured by the pressure sensor.

Abstract: Provided is a liquid jet recording apparatus which maintains a function of adjusting pressure of liquid jetted from a jetting portion toward a recording medium and which still has a simple apparatus structure. In the liquid jet recording apparatus, a pressure sensor is provided in a tube between a liquid storing portion and a roller tube pump, the pressure of liquid which flows through the tube is measured, a pressure value is sent to a control portion, the pressure value is compared with lower limit values and upper limit values stored in a definition file stored in the control portion, a corresponding drive signal is sent to a drive portion, a roller tube pump is driven in a normal direction or in a reverse direction by a drive portion, and in this way, the pressure of the liquid in a jetting portion is adjusted.

Abstract: A rolled body holder includes a center shaft member serving as a lead screw connected to a handle, a cam member screwed to the center shaft member, and a plurality of segments which form a cylindrical body covering the center shaft member and the cam member. The cam member includes a plurality of rails, and each of the rails includes a cam surface with a radially varying height. Each of the segments includes a follower part fitted to the rail and relatively slidable along the cam surface and an outer surface part on which multiple projections are formed. When the cylindrical body is inserted into a paper tube of a rolled body and the handle is rotated, the center shaft member is rotated to move the cam member in the longitudinal direction. Then, a portion of the cam surface, which is higher in the radial direction, is brought into contact with the follower part, and each of the segments extends in the radial direction so that the projections bite into an inner surface of the paper tube.

Abstract: An image forming apparatus that can perform stable sheet conveying for a medium that has low tear-resistance, easily sticks to something and is difficult to convey. Therefore, sheet conveying means is controlled, so that during a sheet conveying operation for each path, after a sheet has been conveyed, reverse feeding is performed to release sticking, and sheet feeding is thereafter completed.

Abstract: A planar metal platen (1) facing an ink jet recording head (2) for ejecting solvent-based ink is fixed to a metal frame (4) through support members (9) molded of polyphenylene sulfide containing glass fiber, the platen (1) not coming into direct contact with the frame (4). The platen (1) is provided with a heater (7) mounted thereto for quickly drying ink on a recording medium on the platen (1). Each of the supporting members (9) is fixed to the frame (4) by a bolt (10) passing through an elongated hole (9a), and by shifting a position of the bolt (10) in the elongated hole (9a), a relative position of the support members (9) and the platen (1) supported by the support members (9), and the frame (4) and the ink jet recording head (1) supported thereby can be adjusted. Consequently, transfer of heat from the heater to the platen is suppressed and partial temperature difference of the platen is suppressed, thereby enabling favorable recording.

Abstract: An image forming apparatus that can perform stable sheet conveying for a medium that has low tear-resistance, easily sticks to something and is difficult to convey. Therefore, sheet conveying means is controlled, so that during a sheet conveying operation for each path, after a sheet has been conveyed, reverse feeding is performed to release sticking, and sheet feeding is thereafter completed.