Abstract: A medium feeding apparatus includes a roll holding portion which holds a roll body around which a printing medium is wound, a feeding roller which pulls out the printing medium from the roll body and feeds the printing medium, a roll motor which rotates the roll body held by the roll holding portion, a roll motor control portion which controls the roll motor, and rotation position detecting portions which detect a rotation position of the roll body, the roll motor control portion performs removing looseness of the printing medium pulled out from the roll body by driving the roll motor and rotating the roll body in a rewinding direction, and in the removing, driving of the roll motor is finished on the basis of movement of the rotation position detected by the rotation position detecting portions.

Abstract: A medium feeding apparatus includes a feeding portion that performs a feeding operation, which feeds a medium to a downstream side, and a reverse feeding operation, which feeds the medium to an upstream side, and a wind-up portion that performs a wind-up operation, which winds up a medium fed to the downstream side by the feeding operation, and a unwinding operation that unwinds the wound up medium, in which the wind-up portion performs the unwinding operation prior to the reverse feeding operation.

Abstract: A medium wind-up apparatus includes a reel-out motor, which is a driving source that winds up a medium, a control portion that controls the reel-out motor on the basis of a torque limit value, which regulates an upper limit of an output torque of the reel-out motor, and a reel-out side detection portion that detects a rotation speed of the reel-out motor, in which the control portion changes the torque limit value on the basis of the detected rotation speed. In this case, it is preferable that the control portion increase the torque limit value in a case in which the detected rotation speed falls below a first threshold value, and that the control portion reduce the torque limit value in a case in which the detected rotation speed exceeds a second threshold value, which is larger than the first threshold value.

Abstract: A medium feeding apparatus includes a feeding roller which feeds a medium unwound from a roll body around which the medium is wound, a roll motor which applies torque for rotating the roll body to the roll body, and a roll control portion which controls the roll motor at the time of a feeding operation based on effective tension calculated by acquiring a feeding amount of the medium fed at each of a plurality of acquiring timings included in a pre-feeding operation, which is a feeding operation performed in advance, acquiring tension applied to the medium between the roll body and the feeding roller between a plurality of the acquiring timings, and weighting a plurality of the acquired tensions with the corresponding feeding amount.

Abstract: An electronic device includes a substrate including an upper surface, a clock output pad formed in a control device mounting area of the upper surface, a command/address output pad formed in the control device mounting area, a clock signal main wiring connected to the clock output pad, a command/address signal main wiring connected to the command/address output pad, a first clock signal branch wiring branched from the clock signal main wiring at a first branch point of the clock signal main wiring, and a second clock signal branch wiring branched from the clock signal main wiring at a second branch point of the clock signal main wiring, which is located at a downstream side of the clock signal main wiring than the first branch point of the clock signal main wiring.

Abstract: An electronic device includes a mounting substrate, a first semiconductor component including a first semiconductor chip that operates in synchronization with a first clock signal and being mounted on a first semiconductor component mounting area of the mounting substrate, a second semiconductor component including a second semiconductor chip that operates in synchronization with a second clock signal and being mounted on a second semiconductor component mounting area of the mounting substrate, the second semiconductor component mounting area being next to the first semiconductor component mounting area, and a third semiconductor component including a third semiconductor chip that controls the first and second semiconductor chips and being mounted on a third semiconductor component mounting area of the mounting substrate, the third semiconductor component mounting area being next to the first and the second semiconductor component mounting areas.

Abstract: A printing apparatus includes a transport unit which includes a transport roller pair which transports a medium in a transport direction, a printing unit which prints onto the medium, a winding unit which winds the printed medium, and a tension application unit which applies a tension to the medium at a position between the transport roller pair and the winding unit. The tension application unit includes a pair of arms which are capable of rotating. A tension bar is supported on one end of the arms and comes into contact with the medium. The bar is rotated from an upper limit position to a lower limit position by transportation of the transport unit being performed two or more times.

Abstract: A liquid ejecting apparatus includes an ejecting unit which can reciprocate with respect to a continuous paper, and ejects ink onto the continuous paper; a heating unit which heats a liquid ejecting region which is a region in which the ejecting unit can eject the ink to the continuous paper; an IR sensor which detects a temperature of the liquid ejecting region based on infrared light in the liquid ejecting region; and a control device which controls the heating unit based on a first detection temperature of the IR sensor. The control device controls the heating unit without using the first detection temperature which is detected by the IR sensor, when the ejecting unit is located in a temperature detecting region of the IR sensor.

Abstract: A transport apparatus includes a driving roller that transports a medium in a transport direction, a driven roller that presses the medium against the driving roller when the medium is transported, a changer that changes a pressing force by which the driven roller presses the medium against the driving roller, and a feeder configured to feed the medium toward the driving roller and pull back the medium in a direction opposite to the transport direction. Before the driving roller transports the medium, the feeder pulls back the medium after the changer has changed the pressing force to a value that is smaller than the value of the pressing force set for transport of the medium.

Abstract: A liquid ejecting apparatus includes an ejecting unit which can reciprocate with respect to a continuous paper, and ejects ink onto the continuous paper; a heating unit which heats a liquid ejecting region which is a region in which the ejecting unit can eject the ink to the continuous paper; an IR sensor which detects a temperature of the liquid ejecting region based on infrared light in the liquid ejecting region; and a control device which controls the heating unit based on a first detection temperature of the IR sensor. The control device controls the heating unit without using the first detection temperature which is detected by the IR sensor, when the ejecting unit is located in a temperature detecting region of the IR sensor.

Abstract: A recording apparatus includes a recording section that performs recording on a recording medium, a rotation section that sends out the recording medium by rotating a roll of the recording medium or rolls up the recording medium into a roll, and a roll diameter estimation section that estimates the roll diameter of the recording medium present in the rotation section. The roll diameter estimation section is capable of estimating the roll diameter during the recording performed by the recording section. The thus-configured recording apparatus estimates the roll diameter of the recording medium in real time during recording.

Abstract: A recording apparatus includes a transportation section of a recording medium; a winding section of the recording medium; and a control section that controls transportation of the recording medium by controlling the transportation section and the winding section. The control section switches a threshold of a torque limit of the winding section when winding the recording medium at the winding section by synchronizing with an operation of the transportation section. According to the recording apparatus having such a configuration, an occurrence of defects is suppressed when winding the recording medium.

Abstract: A medium feeding apparatus includes a detection tension acquiring unit that acquires a detection tension which is a tension applied during an (n?1)-th feeding operation in a plurality of feeding operations in which the medium is fed, a corrected tension calculating unit that calculates a corrected tension obtained by correcting a target tension which is a target value of a tension to be applied during a n-th feeding operation based on the detection tension, and a driving controlling unit that controls a roll motor during the n-th feeding operation based on the corrected tension.

Abstract: Provided is a catalyst that exhibits a high catalyst activity in a water oxidation reaction within a neutral range. A water splitting catalyst comprises at least one 3d-block transition metal element selected from manganese, iron, cobalt, nickel, and copper or a compound containing the element, and a base and/or a carbonate having a pKa of 8 or less.

Abstract: A recording apparatus includes a recording section that performs recording on a recording medium, a rotation section that sends out the recording medium by rotating a roll of the recording medium or rolls up the recording medium into a roll, and a roll diameter estimation section that estimates the roll diameter of the recording medium present in the rotation section. The roll diameter estimation section is capable of estimating the roll diameter during the recording performed by the recording section. The thus-configured recording apparatus estimates the roll diameter of the recording medium in real time during recording.

Abstract: A recording apparatus includes a transportation section of a recording medium; a winding section of the recording medium; and a control section that controls transportation of the recording medium by controlling the transportation section and the winding section. The control section switches a threshold of a torque limit of the winding section when winding the recording medium at the winding section by synchronizing with an operation of the transportation section. According to the recording apparatus having such a configuration, an occurrence of defects is suppressed when winding the recording medium.

Abstract: To alleviate the effect of undesired signal reflection in a branch wiring, even when the length of a branch path branched from a main wiring of a fly-by topology is long. On a mounting substrate on which a plurality of first semiconductor components that operate in synchronization with a clock signal and a second semiconductor component that controls the first semiconductor components, a plurality of main wirings and branch wirings branched at a plurality of branch points of each of the main wirings are provided as signal paths that electrically couple the second semiconductor component with the first semiconductor components. A chip resistor is coupled in series in the midway of branch wirings that reach a corresponding first semiconductor component from the branch points which do not overlap the first semiconductor, component and which are located away from the first semiconductor component.

Abstract: A printer is configured which includes, a printing head; a first transport mechanism which transports a printing medium along a transport path; a second transport mechanism which transports the printing medium along the transport path between the printing head and the first transport mechanism; a forward transport control unit which executes a forward transport control transporting the printing medium to the printing head side using the second transport mechanism while applying a load to the printing medium using the roller, and printing a coloring agent to the printing medium using the printing head; and a reverse transport control unit which executes a reverse transport control transporting the printing medium to the first transport mechanism side using the second transport mechanism while applying a load which is smaller than that in the forward transport control to the printing medium using the roller.

Abstract: A printer includes a head for performing printing, a roll element on which a print medium is wound, a first conveying mechanism for rotating the roll element, an auxiliary roller positioned between the head and the roll, a second conveying mechanism for driving the auxiliary roller, a nip roller constituting a pair with the auxiliary roller to hold the medium on both sides, a nip roller drive mechanism for driving the nip roller and creating a state in which the medium is held on both sides and a state in which the medium is not held on both sides, and a controller for setting the nip roller to a first state in which the roll element is rotated in a forward direction to convey the print medium, and a second state in which the roll element is rotated in a reverse direction to convey the print medium.

Abstract: A printer is configured which includes, a printing head; a first transport mechanism which transports a printing medium along a transport path; a second transport mechanism which transports the printing medium along the transport path between the printing head and the first transport mechanism; a forward transport control unit which executes a forward transport control transporting the printing medium to the printing head side using the second transport mechanism while applying a load to the printing medium using the roller, and printing a coloring agent to the printing medium using the printing head; and a reverse transport control unit which executes a reverse transport control transporting the printing medium to the first transport mechanism side using the second transport mechanism while applying a load which is smaller than that in the forward transport control to the printing medium using the roller.