An image reading apparatus, comprising an image reading unit configured to perform image reading, a drive unit configured to move a target in the image reading, and a signal generating unit configured to generate a signal for driving the image reading unit, the image reading apparatus configured to acquire, with moving the target by the drive unit, image data by the image reading unit performing the image reading based on a signal generated by the signal generating unit, wherein the drive unit moves the target such that the target changes at a speed according to a predetermined driving speed profile, and the signal generating unit generates a signal, based on the driving speed profile, at a timing making the moving distance of the target to be an equal interval.

An apparatus detects movement of a target object, estimates a control quantity for first feedback control for the target object at a first period, based on a detection signal, estimates a first state quantity of the target object and a second state quantity obtained by time differentiation of the first state quantity for second feedback control for the target object at a second period shorter than the first period, based on the detection signal, generates a first operation quantity for the first feedback control based on the control quantity, generates a second operation quantity for the second feedback control based on the first and second state quantities, determines a sign of the second operation quantity from a relationship between the first and second state quantities, and generates an operation quantity on the target object from the first and second operation quantities.

An apparatus detects movement of a target object, estimates a control quantity for first feedback control for the target object at a first period, based on a detection signal, and estimates a first state quantity of the target object and a second state quantity obtained by time differentiation of the first state quantity in order to perform second feedback control for the target object at a second period shorter than the first period, based on the detection signal. The apparatus generates a first operation quantity for the first feedback control, based on the estimated control quantity, generates a second operation quantity for the second feedback control, based on the estimated first and second state quantities, and determines an output value, based on a result of comparing the second operation quantity with a maximum value of the first operation quantity.

Provided is a reading apparatus capable of preventing luminance unevenness in a reading range by correcting shading data. An original reading unit of a reading apparatus configured to read an image on an original includes a row of light receiving elements aligned in a main scanning direction orthogonal to a direction in which the original is conveyed. The reading apparatus generates shading data used in shading correction, based on the result of reading a white reference board via the original reading unit.

An object of the present invention is to detect the home position with a high accuracy without being affected by temperature. The present invention is an image reading apparatus having a reading portion, and the apparatus includes: an acquisition unit configured to acquire first data obtained by the reading portion reading a main scanning line in a state where a light source of the reading portion is turned on in a first light quantity, and second data obtained by the reading portion reading the main scanning line in a state where the light source of the reading portion is turned on in a second light quantity smaller than the first light quantity; a generation unit configured to generate difference data by subtracting the value of the second data from the value of the first data; and a determination unit configured to determine whether a mark arranged at a position corresponding to a home position of the reading portion has been detected on the main scanning line based on the difference data.

An image scanning apparatus includes an image capturing unit, a pulse driving unit and a control unit. The image capturing unit captures an image of an object. The pulse driving unit drives the image capturing unit and the object along a scanning direction to move with respect to each other among multiple pulse nodes, so as to scan the object. The control unit is electrically connected to the pulse driving unit and the image capturing unit, and the control unit controls the image capturing unit to capture multiple images of the object between adjacent pulse nodes, so as to synthesize a scanned image corresponding to the object.

An image scanning apparatus includes an image capturing unit, a pulse driving unit and a control unit. The image capturing unit captures an image of an object. The pulse driving unit drives the image capturing unit and the object along a scanning direction to move with respect to each other among multiple pulse nodes, so as to scan the object. The control unit is electrically connected to the pulse driving unit and the image capturing unit, and the control unit controls the image capturing unit to capture multiple images of the object between adjacent pulse nodes, so as to synthesize a scanned image corresponding to the object.

A scanning device configured to scan an electronic device includes a first driving device and a scanner mounted on the first driving device to scan the electronic device. A platform supports the electronic device, and the first driving device drives the scanner to move toward the electronic device placed on the platform and to scan the electronic device. The scanning device can control the first driving device to drive the scanner mounted on the first driving device to move a first preset distance along a first direction from an initial position, and control the scanner to scan the electronic device supported on the platform.

An image reading apparatus, comprising an image reading unit configured to perform image reading, a drive unit configured to move a target in the image reading, and a signal generating unit configured to generate a signal for driving the image reading unit, the image reading apparatus configured to acquire, with moving the target by the drive unit, image data by the image reading unit performing the image reading based on a signal generated by the signal generating unit, wherein the drive unit moves the target such that the target changes at a speed according to a predetermined driving speed profile, and the signal generating unit generates a signal, based on the driving speed profile, at a timing making the moving distance of the target to be an equal interval.

Provided is a reading apparatus capable of preventing luminance unevenness in a reading range by correcting shading data. An original reading unit of a reading apparatus configured to read an image on an original includes a row of light receiving elements aligned in a main scanning direction orthogonal to a direction in which the original is conveyed. The reading apparatus generates shading data used in shading correction, based on the result of reading a white reference board via the original reading unit.