Ricoh Patente

A liquid discharge unit (20) includes: a first head (22) having a first nozzle face having first nozzles on the first nozzle face, the first head configured to discharge a liquid from the first nozzles in a discharge direction, a second head (22) having a second nozzle face having second nozzles on the second nozzle face, the second head configured to discharge a liquid from the second nozzles in the discharge direction, one carriage (23) configured to: mounting the first head and the second head; and movable in a main scanning direction orthogonal to the discharge direction; and a first cap (60), in the one carriage (23), configured to cap the first nozzle face of the first head (22); and a second cap (60), in the one carriage (23), configured to cap the second nozzle face of the second head (22).

A liquid discharge head (11) includes a nozzle plate (20A to 20E) having a first nozzle array and a second nozzle array. The first nozzle array has first nozzles (19) to discharge liquid in a discharge direction. The second nozzle array is disposed between the first nozzle array and one edge of the nozzle plate (20A to 20E) in a first direction orthogonal to the discharge direction. The second nozzle array has second nozzles (19) to discharge the liquid in the discharge direction. The first nozzles (19) of the first nozzle array are: arrayed in a second direction orthogonal to the first direction and the discharge direction; and arrayed at a first nozzle density in the second direction. The second nozzles (19) of the second nozzle array are: arrayed in the second direction; and arrayed at a second nozzle density smaller than the first nozzle density in the second direction.

A liquid discharge head (100, 200) includes: a nozzle plate (1) having a nozzle (4) configured to discharge liquid in a discharge direction (Z); a channel plate (2, 202) over the nozzle plate (1), the channel plate (2, 202) having: a pressure chamber (6); multiple flow restrictors (7, 207): each communicating with the pressure chamber common to each of the multiple flow restrictors (7, 207); overlapped with each other in the discharge direction; and each having a same length in a longitudinal direction (X) orthogonal to the discharge direction (Z); an individual chamber communicating with the pressure chamber (6) through the multiple flow restrictors (7, 207); and a pressure generator (12) configured to generate pressure in the pressure chamber (6).

An actuator unit (40) includes a nozzle plate (20) having: a first row having multiple nozzles (19) arrayed at a first interval in a first direction; and a second row adjacent to the first row in an inclined direction inclined with respect to a second direction orthogonal to the first direction. The second row has the multiple nozzles (19) arrayed at the first interval in the first direction. The first row and the second row are separated at a second interval in the second direction. The first row has: a first nozzle at one end of the first row; and a second nozzle adjacent to and inward from the first nozzle in the first direction. The second row has: a third nozzle at one end of the second row. The third nozzle is positioned inward from the second nozzle in the first direction.

A method for manufacturing a conductive film is provided. The method includes: forming a layered structure (6) by repeating forming a print pattern by applying an ink (20) containing copper and copper hydride onto a substrate (1), and forming a dried film (22) by heating the print pattern and blowing air onto the print pattern; and sintering the layered structure (6).

An inkjet direct to film (DTF) printer system 100 for producing a thermal transfer film original by forming an image by discharging ink onto a thermal transfer film 120 and forming an adhesive layer 127 on the image includes a liquid discharger 10 to discharge the ink onto the thermal transfer film 120, a dispenser unit 20 which is a non-inkjet type, including a coating nozzle 31 to discharge an adhesive liquid, and to apply the adhesive liquid on the image by discharging the adhesive liquid from the coating nozzle 31, a first carriage 40 to move the liquid discharger 10, a second carriage 50 to move the dispenser unit 20, a conveyor 110 to convey the thermal transfer film 120, and a control unit 200 to control operations of the liquid discharger 10, the dispenser unit 20, the first carriage 40, the second carriage 50, and the conveyor 110, wherein the control unit is to form the adhesive layer 127 by controlling the conveyor 110 to perform a line feed.

A component (19) includes a base material (10) and a water repellent film (18) over the base material (10). The water repellent film (18) includes multiple types of water repellent agents (12, 15) including different molecular structures with each other.

Powder material from which three-dimensional object having high density and excellent shape retainability can be manufactured is provided. Powder material contains: first powder composed of first alloy; and second powder composed of pure metal or second alloy having composition different from first alloy. Difference (A-B) between melting point (A) of first powder and melting point (B) of second powder is ≥15°C and ≤200°C. Content of second powder is ≥7mass% and ≤30mass% relative to total amount of powder material. Area-weighted average grain size of sintered body obtained by sintering powder material at maximum temperature between melting points of first powder and second powder is less than 1.80 times volume average grain size of first powder, and/or, the first alloy is a titanium alloy which contains at least boron (B), or an aluminum alloy which contains at least one of chromium (Cr), zirconium (Zr), scandium (Sc), or manganese (Mn).

A production method of a three-dimensional object is provided and includes a release layer forming step of forming a release layer between the sintering precursor of the three-dimensional object and the support structure, by an adhesive and a release powder being applied separately; a sintering step of heating the sintering precursor of the three-dimensional object, the support structure, and the release layer, thereby obtaining the sintered body of the three-dimensional object; and a separating step of separating the sintered body of the three-dimensional object and the support structure.

A liquid discharge head (11) includes a first actuator unit (40A) including a first nozzle substrate (20A) and a second actuator unit (40B) including a second nozzle substrate (20B). The first nozzle substrate (20A) has first nozzles in a first main portion of the first actuator unit (40A) and first overlapping nozzles in a first overlapping portion other than the first main portion. At least part of the first overlapping nozzles has a first overlapping diameter smaller than the first diameter. The second nozzle substrate (40B) has second nozzles in a second main portion of the second actuator unit (40B) and second overlapping nozzles in a second overlapping portion other than the second main portion. The second overlapping portion is overlapped with the first overlapping portion. At least part of the second overlapping nozzles has a second overlapping diameter larger than the first overlapping diameter.

An information processing system includes: an acquisition unit (123) to acquire comment information input by a first user in association with evaluation information on an evaluation made for the first user by a second user; and a skill analysis unit (126) to analyze an evaluation skill of the second user based on the comment information.

There is provided a battery member, which includes a porous structure (Y) at an outermost surface of the battery member, and an adhesive layer. The adhesive layer includes one or more adhesive portions (X) formed of an adhesive. Each of the one or more adhesive portions (X) includes an adhesive protrusion portion (Xa) that is disposed on the porous structure (Y), and an adhesive impregnation portion (Xb) that is disposed within the porous structure (Y) and extends onto a periphery of the adhesive protrusion portion (Xa).

A liquid discharge head (10) includes multiple nozzles (14a), a liquid channel (151), a supply tank (20), and a supply port (12). The liquid channel (151) communicates with the multiple nozzles (14a), to flow a liquid through the liquid channel (151). The supply tank (20) has a supply tank inlet (21) to supply the liquid from the liquid channel (151) into the supply tank (20) and a supply tank outlet (22) to discharge the liquid from the supply tank (20) to the liquid channel (151) toward the multiple nozzles (14a). The supply port (12) supplies the liquid to the supply tank inlet (21) through the liquid channel (151). The supply tank (20) is disposed between the supply port (12) and the multiple nozzles (14a) in the liquid channel (151). The supply tank inlet (21) is disposed below the supply tank outlet (22) in a gravity direction.

A conveying apparatus includes: an endless belt that has a plurality of suction holes extending through an outer surface and an inner surface of the endless belt, and carries a recording medium on the outer surface of the endless belt; a driving roller configured to drive the endless belt; a driven roller configured to, together with the driving roller, tension and support the endless belt; a suction chamber that is disposed facing the inner surface of the endless belt and has a suction surface configured to suction the recording medium via the suction holes; a suction pump that is connected to the suction chamber and configured to create a negative pressure inside the suction chamber; and a conveying roller configured to contact the outer surface of the endless belt.

A drying apparatus is arranged downstream of a liquid application unit in a conveying direction of a medium and configured to dry a liquid applied onto the medium. The drying apparatus includes a suction mechanism configured to suck gas in the drying apparatus, and discharge the gas outside. The suction mechanism includes a suction nozzle, a discharge unit, and a mechanism. The suction nozzle includes an opening disposed so as to face the medium and extending along a width direction perpendicular to the conveying direction of the medium, and is configured to suck gas around the medium. The discharge unit is configured to discharge gas sucked by the suction nozzle outside. The mechanism is configured to adjust an opening area of the suction nozzle. The drying apparatus includes a control unit configured to change a suction amount of the suction nozzle at a position along the width direction of the medium.

A measuring apparatus (1) includes an illuminator (11), a light receiver (12), a color-separated image generation unit (21), and a smoothing processing unit (22). The illuminator (11) emits light to an object to be measured. The light receiver (12) receives reflection light reflected from the object illuminated by the light emitted from the illuminator (11); and generates image data based on the reflection light. The color-separated image generation unit (21) is configured to generate multiple color-separated images, each having corresponding amount of noise, based on the image data generated by the light receiver (12). The smoothing processing unit (22) is configured to repeatedly perform a smoothing process on each of the multiple color-separated images generated by the color-separated image generation unit (21), a number of times according to the corresponding amount of noise.

A liquid discharge head (18) includes a nozzle substrate (20, 24), a channel substrate (21, 25), a piezoelectric element substrate (9), a holding substrate (10), and a frame (22, 26). The nozzle substrate (20, 24) has a nozzle region (1a) having nozzles (1) arrayed in a longitudinal direction of the nozzle region (1a). The nozzle region (1a) has a first length in the longitudinal direction. The channel substrate (21, 25) is disposed over the nozzle substrate (20, 24). The piezoelectric element substrate (9) is disposed over the channel substrate (21, 25). The frame (22, 26) is bonded to the channel substrate (21, 25), with an adhesive in a bonding region (5a), outside the piezoelectric element substrate (9) and the holding substrate (10) in the width direction. The bonding region (5a) has a second length longer than the first length of the nozzle region (1a) in the longitudinal direction.

An image forming apparatus (100) includes a printer (101) to print printed matter based on print data, a printed image reading unit (307) to read, with a reading device, the printed matter to generate a first inspection target image, a first defect determination processing unit (355) to detect a defect on the printed matter based on a master image and the first inspection target image, the master image being generated from the print data of the printed matter, a second defect determination processing unit (357) to detect a position of the defect on a second inspection target image generated by the reading device without sheet passage, an exclusion region setting unit (356) to set, based on the position of the defect detected by the second defect determination processing unit (357), an inspection exclusion region where the first defect determination processing unit (355) does not detect the defect, and a display control unit (358) to cause a display to display at least one of the position of the defect on the second inspection target image and the inspection exclusion region.

A measuring apparatus (1) includes a housing (10), an illumination unit (11), a light receiving unit (12), an actuator (16), a calculation unit (22), and a control unit (23). The distance measuring unit (21) controls the illumination unit and the light receiving unit to measure a measurement distance, in a perpendicular direction perpendicular to the first face, between the first face of the object and a second face of the housing facing the first face of the object. The calculation unit (22) determines a moving distance and a moving direction of the light receiving unit based on the illumination angle between an optical axis of the reflection light and a perpendicular line in the perpendicular direction and an amount of change in the measurement distance in the perpendicular direction. The control unit (23) drives the actuator to move the light receiving unit by the moving distance in the moving direction.

A liquid discharge head (1) includes an actuator component (2) and a frame (3). The actuator component (2) includes a nozzle substrate (10) and an actuator substrate (20). The nozzle substrate (10) has nozzles (10a) arrayed in a longitudinal direction. The actuator substrate (20) includes a chamber substrate (21), a diaphragm (22), and a piezoelectric element (23). The chamber substrate (21) has pressure chambers (21b) respectively communicating with the nozzles (10a). The diaphragm (22) has a first face serving as a part of a wall face of the pressure chambers (21b) and a second face opposite the first face. The piezoelectric element (23) is disposed over the second face of the diaphragm (22). The frame (3) has a bonding face (3d) bonded to the actuator component (2) with an adhesive (50), communicating portions (3a) communicating with the pressure chambers (21b), and multiple void portions (3b).

A liquid discharge head (100) includes: multiple nozzle arrays (104-1 to 104-4) including multiple nozzles arrayed in a nozzle array direction (X), the multiple nozzles configured to discharge liquid, in a discharge direction orthogonal to the nozzle array direction (X), onto a medium conveyed in a conveyance direction (Y) orthogonal to the nozzle array direction (X) and the discharge direction, the multiple nozzle arrays (104-1 to 104-4) arrayed in the conveyance direction (Y) and having: end regions at both ends of the multiple nozzle arrays (104-1 to 104-4); and a central region between the end regions. The multiple nozzle arrays (104-1 to 104-4) includes: upstream nozzle array (104-1, 104-2) on an upstream side in the conveyance direction (Y); and downstream nozzle array (104-3, 104-4) on a downstream side in the conveyance direction.

A liquid discharge head device (51, 404) includes a liquid discharge head (100, 100-1, 100-2) and a head holder (52). The liquid discharge head (100, 100-1, 100-2) has a nozzle face (101a) having a nozzle (104a) to discharge a liquid, from the nozzle (104a) in a discharge direction, onto a discharge target conveyed in a conveyance direction orthogonal to the discharge direction. The head holder (52) holds the liquid discharge head (100, 100-1, 100-2) having the nozzle face (101a) facing in the discharge direction. The head holder (52) has an opposing face facing in the discharge direction and an exhaust port (53-1A, 53-1B, 53-2A, 53-2B) on the opposing face and in a vicinity of the nozzle face (101a).

A medium processing apparatus (1A, 1B, 1C) includes a stacker (37), a conveyance-direction mover (36, 40L, 40R), a binder (42, 43), and a controller (160). The stacker stacks a medium. The conveyance-direction mover (36, 40L, 40R) moves, in a conveyance direction, a medium bundle that is a plurality of media including the medium stacked on the stacker. The binder (42, 43) moves in a main scanning direction orthogonal to the conveyance direction and bind the medium bundle stacked on the stacker. The controller (160) controls an operation of the conveyance-direction mover and the binder. The controller (160) causes the conveyance-direction mover (36, 40L, 40R) to move the medium bundle stacked on the stacker in the conveyance direction and causes the binder (42, 43) to move in the main scanning direction, face a binding position on the medium bundle, and bind the binding position of the medium bundle.

A liquid discharge head (1) includes: a substrate component (10) including: a nozzle (24) to discharge a liquid; a channel (21a, 21b) communicating with the nozzle (24); and a frame (5) bonded to the substrate component with an adhesive in a lamination direction, the frame including a communicating portion (20a, 20b) communicating with the channel. The frame (5) and the substrate component have: a bonding region (9a) in which the frame (5) and the substrate component (10) are bonded with the adhesive; and a non-bonding region (9b) in which the frame (5) and the substrate component (10) are not bonded with the adhesive. The bonding region (9a) has: a first bonding region around the communicating portion (20a, 20b) of the frame (5); and a second bonding region at both end portions of the frame (5) in a longitudinal direction of the frame orthogonal to the lamination direction.

A toner is provided that includes toner base particles comprising a polyurethane resin in an amount of 50% by mass or more and 80% by mass or less of the toner base particles. The toner has a glass transition temperature Tg1 of less than 0°C, and each particle of the toner has a sea-island structure in a cross-sectional image obtained by a scanning electron microscope of the particle.

An image processor (340) includes a determination unit (343) to determine authenticity of a document based on a document image obtained by reading the document, to generate a determination result of authenticity of the document, and an image generation unit (344) to generate an output image including the document image and a determination image indicating the determination result such that the determination image is arranged outside the document image.

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An image capturing apparatus (10) includes: an imaging processing unit (13) configured to perform an image capturing process to repeatedly generate image frames included in a moving image captured by an imaging unit (101); a communication unit (11) configured to transmit the image frames repeatedly generated by the imaging processing unit (13) to a communication terminal at a site different from a site at which the image capturing apparatus is located; and an acceptance unit (12) configured to accept a lock instruction to lock an image frame to be transmitted to the communication terminal among the image frames. The communication unit (11) is configured to repeatedly transmit the image frame for which the lock instruction is received to the communication terminal in response to the acceptance unit (12) accepting the lock instruction.

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