Abstract: Provided are: a steel sheet having a high strength and excellent hydrogen embrittlement resistance; and a method of producing the same. The steel sheet has prescribed chemical composition and structure, in which a standard deviation ? of Mn concentration satisfies ??0.15 Mnave (wherein, Mnave represents an average Mn concentration) and a region with a Mn concentration of higher than (Mnave+1.3?) has a circle-equivalent diameter of less than 10.0 ?m. The method of producing the steel sheet includes: the hot rolling step that includes finish rolling a slab having a prescribed chemical composition under prescribed conditions; the step of coiling the thus obtained hot-rolled steel sheet at a coiling temperature of 450 to 700° C.; and the step of cold rolling the hot-rolled steel sheet and subsequently annealing this steel sheet at 800 to 900° C.

Abstract: An image reading apparatus includes a first housing, a second housing, an imaging sensor, a reference member provided to be able to move between a first position facing the imaging sensor and a second position, a cam to make the reference member move, and an abutting member provided to make the cam move. The abutting member is located at a projecting position sticking out from the first housing, to make the cam move so that the reference member moves from the first position to the second position when the second housing is closed with respect to the first housing. The abutting member is provided so as to be able to retract when the second housing is opened and closed with respect to the first housing and abuts against the cam in the state located at the projecting position.

Abstract: An image reading apparatus includes a first housing, a second housing, an imaging sensor, a reference member provided to be able to move between a first position facing the imaging sensor and a second position, a cam to make the reference member move, and an abutting member provided to make the cam move. The abutting member is located at a projecting position sticking out from the first housing, to make the cam move so that the reference member moves from the first position to the second position when the second housing is closed with respect to the first housing. The abutting member is provided so as to be able to retract when the second housing is opened and closed with respect to the first housing and abuts against the cam in the state located at the projecting position.

Abstract: An image reading apparatus includes a first conveyance path, a second conveyance path, an insertion/discharge port, an image reader that reads an image on a medium conveyed along the first conveyance path, and a switch that is located at a first position or a second position, wherein the switch disconnects the first conveyance path from the second conveyance path and connects the insertion/discharge port and the first conveyance path when the switch is located at the first position, and disconnects the insertion/discharge port from the first conveyance path and connects the first conveyance path and the second conveyance path when the switch is located at the second position.

Abstract: An image reading apparatus includes a first conveyance path, a second conveyance path, an insertion/discharge port, an image reader that reads an image on a medium conveyed along the first conveyance path, and a switch that is located at a first position or a second position, wherein the switch disconnects the first conveyance path from the second conveyance path and connects the insertion/discharge port and the first conveyance path when the switch is located at the first position, and disconnects the insertion/discharge port from the first conveyance path and connects the first conveyance path and the second conveyance path when the switch is located at the second position.

Abstract: An image reading apparatus includes a reading unit configured to read an image of a medium fed through a first feed path, a switching unit that isolates a third feed path from a junction so as to guide the medium from a second feed path to the first feed path when being disposed at a first position and that guides the medium from the first feed path to the third feed path when being disposed at the second position, and a drive unit that moves the switching unit to the second position when the medium is fed from the first feed path to the third feed path, wherein the drive unit moves the switching unit to the first position after a lapse of predetermined time from a beginning of feeding the medium from the third feed path toward the first feed path.

Abstract: An image reading apparatus includes a reading unit configured to read an image of a medium fed through a first feed path, a switching unit that isolates a third feed path from a junction so as to guide the medium from a second feed path to the first feed path when being disposed at a first position and that guides the medium from the first feed path to the third feed path when being disposed at the second position, and a drive unit that moves the switching unit to the second position when the medium is fed from the first feed path to the third feed path, wherein the drive unit moves the switching unit to the first position after a lapse of predetermined time from a beginning of feeding the medium from the third feed path toward the first feed path.

Abstract: An overhead scanner 1 includes an imaging unit 22 that images a medium S placed on a mount surface 2 to be read from above and a light source 21 that is arranged to be able to irradiate the medium S with light during imaging by the imaging unit 22. A control device 40 of the overhead scanner 1 performs anti-glare control when detecting that the medium S is glossy. This prevents glare from occurring to the user during operation of the overhead scanner 1.

Abstract: An overhead scanner 1 includes an imaging unit 22 that images a medium S placed on a mount surface 2 to be read from above and a light source 21 that is arranged to be able to irradiate the medium S with light during imaging by the imaging unit 22. A control device 40 of the overhead scanner 1 performs anti-glare control when detecting that the medium S is glossy. This prevents glare from occurring to the user during operation of the overhead scanner 1.

Abstract: A pressing plate is used for an overhead scanner. The overhead scanner includes an imaging unit that images a medium to be read that is placed on a placement surface located under the imaging unit in the vertical direction and a light source that irradiates the medium to be read with light. The pressing plate includes a pressing plate main body for pressing the medium to be read from an upper side in the vertical direction and a plurality of anti-glare units arranged inside the pressing plate main body. The pressing plate main body is light transmissive. The anti-glare units block light reflected toward a side opposite to an incident light side from the light source, with respect to a vertical axis, among light reflected from the medium.

Abstract: A pressing plate is used for an overhead scanner. The overhead scanner includes an imaging unit that images a medium to be read that is placed on a placement surface located under the imaging unit in the vertical direction and a light source that irradiates the medium to be read with light. The pressing plate includes a pressing plate main body for pressing the medium to be read from an upper side in the vertical direction and a plurality of anti-glare units arranged inside the pressing plate main body. The pressing plate main body is light transmissive. The anti-glare units block light reflected toward a side opposite to an incident light side from the light source, with respect to a vertical axis, among light reflected from the medium.