Epson Patente

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Provided is technology that improves user convenience. A scanning system includes a scanner that generates scanning data by scanning a document, and a management device that connects to the scanner, and processes the scanning data based on settings corresponding to a user authenticated by a first user authentication when the scanner executes a first user authentication process. The scanning system executes a first process of scanning a document without first user authentication by the scanner, and storing the generated scanning data in storage; a second process of, when second user authentication is executed, identifying the scanning data to process from the scanning data stored in the storage; and a third process of processing the scanning data to process based on settings related to the user authenticated by the second user authentication.

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A piezoelectric element includes a first electrode; a piezoelectric layer, placed on or above the first electrode, containing potassium, sodium, niobium, titanium, and oxygen; and a second electrode placed on or above the piezoelectric layer.

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A piezoelectric device used in a liquid ejecting head that ejects a liquid from a nozzle includes a flow-path-forming substrate in which an individual liquid chamber that communicates with the nozzle and a liquid supply chamber that communicates with the individual liquid chamber are formed, a vibration plate formed at a position corresponding to the individual liquid chamber and the liquid supply chamber of the flow-path-forming substrate, a plurality of liquid supply ports formed in the liquid supply chamber, and a piezoelectric element including a first electrode, a piezoelectric layer, and a second electrode, the piezoelectric element being formed at a position on the vibration plate corresponding to the individual liquid chamber, where the liquid supply ports are provided so as to penetrate the vibration plate, and where the vibration plate contains zirconium oxide.

A liquid ejecting apparatus includes a nozzle for ejecting liquid, a pressure chamber communicating with the nozzle, a first individual flow path communicating with the pressure chamber, a second individual flow path communicating with the pressure chamber, a pressure generating unit changing a pressure of the liquid in the pressure chamber, and a control unit for driving the pressure generating unit. In the liquid ejecting apparatus, the liquid is supplied into the pressure chamber via one of the first individual flow path and the second individual flow path, and at least a part of the liquid supplied into the pressure chamber is discharged via the other. The control unit introduces air into the pressure chamber via the nozzle by driving the pressure generating unit, during a period in which the liquid is not ejected from the nozzle.

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A shaping stage has a shaping face where a shaping material is deposited and is used in a three-dimensional shaping apparatus by being subjected to temperature control. The shaping stage includes a first member (12) having a plurality of recess portions or penetration portions (14) and a first shaping face portion that is present in peripheries of the recess portions or the penetration portions and that is included in the shaping face, and a second member (13) that is placed inside the recess portions or the penetration portions, that has a second shaping face portion included in the shaping face, and that has a thermal expansion coefficient different from the first member.

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A light source device (2) according to the present disclosure includes a light source (53) that emits first light in a first wavelength band, a light guide section (51) that guides partial light of the first light, a wavelength conversion section (58) including a phosphor, which other partial light of the first light, and which converts the other partial light into second light in a second wavelength band. A first side surface (51c1) of the light guide section (51) and a second side surface (58c1) of the wavelength conversion section (58) are opposed to each other, and the first side surface (51c1) is provided with a diffraction grating (51f). The partial light enters the light guide section (51) from the first side surface via the diffraction grating (51f), and the other partial light enters the wavelength conversion section (58) from the second side surface (58c3). The partial light and the second light are emitted in one of a normal direction of the first end surface (51a) of the light guide section (51) and a normal direction of the third end surface (58a) of the wavelength conversion section (58).

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There is provided a terminal connection assembly. The terminal connection assembly comprises terminals configured to be electrically connectable with an apparatus-side terminal assembly of a printing apparatus; contact regions where the apparatus-side terminal assembly is in contact with the terminals; a substrate on which the terminals are provided; a supporting structure configured to support the substrate; and convexes configured to restrict motion of a positioning structure of the printing apparatus in an intersecting direction that intersects with a mounting direction in which the terminal connection assembly is mounted. In the state that the terminal connection assembly is mounted to the printing apparatus, a plurality of the contact regions are arranged to form a plurality of lines arrayed at predetermined intervals in the mounting direction. A virtual plane passing through the plurality of contact regions is inclined to the mounting direction. The convex is protruded in a direction away from the supporting structure. The configuration of the terminal connection assembly enables a liquid container to be positioned relative to the printing apparatus with high accuracy.

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A light emitting device (2) uses optical elements (33, 43) each formed of a plurality of small lenses (331, 431). On that basis, the array pitch of the plurality of small lenses is set within a predetermined numerical range determined based on a proportional relationship between two values with respect to the focal distance of a collimator (32, 42).

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