The present disclosure is in one aspect to a dispenser for rolled sheet materials. The dispenser includes a feed roller that is rotatably mounted to a housing of the dispenser housing, and that is configured to feed a predetermined amount of sheet material from the supply of sheet material through a discharge provided along the housing of the dispenser. The dispenser also has a feed roller drive assembly with a drive motor, and a belt transmission assembly. The belt transmission assembly has a drive belt coupled to the drive motor and to the feed roller such that rotation of the feed roller is driven by operation of the drive motor.

A sheet supporting apparatus includes a sheet supporting portion, a regulation member, a flag portion, a detection portion, and a holding portion con. At the holding position, the holding portion supports the flag portion at the upper position in a case where the sheet supporting portion is positioned at the first position, and, at the allowing position, the holding portion allows movement of the flag portion to the lower position in a case where the sheet supporting portion is positioned at the second position. A lower end of the flag portion is positioned above the regulation surface in a case where the flag portion is positioned at the upper position, and is positioned below the regulation surface in a case where the flag portion is positioned at the lower position.

A recording device includes: a transport unit configured to transport a medium in a plurality of transport speed modes; a driving unit configured to drive the transport unit with a plurality of speed profiles, each corresponding to one of the plurality of transport speed modes; a current sensor configured to measure a reference current the driving unit, the reference current being a current flowing in the driving unit when the medium is transported in a loosened state; and a control configured to acquire a plurality of current profiles, each corresponding to one of the speed profiles, based on the reference current. The control unit is configured to acquire a first current profile based on the reference current when the medium is transported in a first transport speed mode, and to generate a second current profile based on the first current profile.

An apparatus, to control a motor from an instructed phase indicating a motor rotor target phase, includes a detector, a phase determiner, a converter, and a controller. The detector detects a motor winding driving current. The phase determiner determines a rotor rotation phase from the detected driving current. The converter converts a detected current value in a stationary coordinate system into a current value in a rotational coordinate system from the determined rotation phase. The controller includes a first mode for controlling the driving current to cause a determined phase deviation between the instructed and rotation phases to decreased, and a second mode for controlling the driving current from a current having a previously determined magnitude. On switching the mode from the second to the first mode, the first mode target value is set from a driving current value corresponding to a current component represented by the rotational coordinate system.

Apparatus and associated methods relate to a handheld power-dispensing tape dispenser having a center of gravity forward of a user's hand. In an illustrative example, a tape dispenser may, for example, include a housing having a handle configured to be held by a human hand. A first roller body may, for example, be rotatably coupled to the housing to rotate about a first axis. A motor may, for example, be disposed in the first roller body. An actuator may, for example, be configured such that, in response to operation of the actuator by a user, the motor induces rotation of the first roller body about the first axis. A second roller body may, for example, be rotatably coupled to the housing and configured to rotate about a second axis substantially parallel to the first axis. Various implementations may advantageously increase stability and/or reduce operator fatigue during taping operations.

A sheet conveyance apparatus includes: a first conveyor; a second conveyor provided on downstream of the first conveyor; a first motor configured to drive the first conveyor; a second motor configured to drive the second conveyor; a speed determining unit configured to determine a rotation speed of a rotor of the second motor; a command determining unit configured to determine a command speed representing a target speed of the rotor of the second motor; and a controller configured to control a drive current flowing through a winding of the second motor so that a deviation between the command speed determined by the command determining unit and the rotation speed determined by the speed determining unit is decreased. The command determining unit determines the command speed based on a value corresponding to a rotation speed of a rotor of the first motor.

A dispenser for dispensing sheet product is provided including a housing that defines an interior configured to accommodate a source of sheet product and an outlet through which the sheet product is dispensed. The dispenser also includes a first roller that is rotatable and disposed in the housing. A portion of the sheet product is designed to be in contact with the first roller prior to being dispensed through the outlet. The dispenser also includes a knife drum that is rotatable and configured to cooperate with the first roller to dispense the sheet product. The knife drum includes a knife configured to cut the sheet product into individual sheets. The dispenser also includes a spring assembly that may be configured to bias the knife drum toward a predetermined position during rotation of the knife drum.

A card reader may include a card conveying passage; and a card conveying mechanism. The card conveying mechanism may include a motor; a conveying roller; and a power transmission mechanism. The power transmission mechanism may include a first gear, a second gear, a third gear, a fourth gear, a first support shaft structured to support the first gear and the third gear in a rotatable manner; and a second support shaft structured to support the second gear and the fourth gear in a rotatable manner. An axial direction of the first support shaft coincides with the first direction, and an axial direction of the second support shaft coincides with the first direction. The first gear and third gear overlap each other in the axial direction of the first support shaft, and the second gear and fourth gear overlap each other in the axial direction of the second support shaft.

A vacuum wheel for transporting a substrate includes a fixed conduit that is connectable to a suction source. A vacuum surface on a circumference of the vacuum wheel includes vacuum openings that are distributed around the circumference, such that rotation of the wheel causes the vacuum openings to successively fluidically connect to the fixed conduit. When suction is applied to the fixed conduit, suction is applied to one or more of the vacuum openings that are currently fluidically connected to the fixed conduit. At least one contact surface on the circumference of the vacuum wheel is adjacent to, and extends outward beyond, the vacuum surface. When suction is applied to the vacuum openings, the substrate is drawn toward the vacuum surface so as to contact the contact surface without contacting the vacuum surface, creating a friction force that enables transport of the substrate when the wheel rotates.

An apparatus, to control a motor from an instructed phase indicating a motor rotor target phase, includes a detector, a phase determiner, a converter, and a controller. The detector detects a motor winding driving current. The phase determiner determines a rotor rotation phase from the detected driving current. The converter converts a detected current value in a stationary coordinate system into a current value in a rotational coordinate system from the determined rotation phase. The controller includes a first mode for controlling the driving current to cause a determined phase deviation between the instructed and rotation phases to decreased, and a second mode for controlling the driving current from a current having a previously determined magnitude. On switching the mode from the second to the first mode, the first mode target value is set from a driving current value corresponding to a current component represented by the rotational coordinate system.