Abstract: A foamed sheet including: a polylactic acid; and a filler, wherein the foamed sheet has a compressive stress of 0.2 Mpa or less when the cushioning coefficient of the foamed sheet is 10 or less; and wherein the foamed sheet has a puncture strength of 2 N or more when the sheet thickness of the foamed sheet is 2 mm.
Abstract: A zoom lens includes a first lens group having positive refractive power, a second lens group having negative refractive power, and a rear group. The second lens group consists of a second sub-first lens group having positive or negative power, and a second sub-second lens group having negative power. The second sub-second lens group consists of, sequentially from the object side toward the image: a positive second-first lens component; a negative second-second lens component; and a negative second-third lens component. During zooming from a short focal length end to a long focal length end, a distance between the first lens group and the second lens group increases, and a distance between the second lens group and the rear group decreases. A part of the second lens group is movable in a direction perpendicular to an optical axis during correction of image blurring.
Abstract: An inorganic particle layer for use in an electrode of a non-aqueous electrolyte power storage element is provided. The inorganic particle layer includes an inorganic particle and a polymer. The inorganic particle is insulating and has a surface potential. The polymer has an ionic functional group (A) and an ion-conducting functional group (B) each charged opposite to the surface potential of the inorganic particle. The inorganic particle and the polymer are bonded to each other.
Abstract: An apparatus, system, and method are provided each of which stores data that is received in a memory; acquires transfer history information indicating a transfer state of the data, from an information processing system configured to transfer the data to an external storage; identifies data to be transmitted from within the data stored in the memory, based on the transfer history information; and transmits the identified data to the information processing system.
Abstract: A wavelength conversion plate includes a conversion region and a reflection region on a base surface. The conversion region includes a wavelength conversion member configured to receive excitation light and generate a color different from a color of the excitation light. The reflection region is configured to reflect the excitation light. The reflection region includes a transmissive diffusion surface, a transmissive layer, and a reflection surface. The transmissive diffusion surface is configured to diffuse the excitation light. The transmissive layer is configured to transmit the excitation light. The reflection surface is configured to reflect the excitation light. The transmissive diffusion surface is in a position separate from a surface closer to the base surface, of the wavelength conversion member, toward a direction from which the excitation light is incident.
Abstract: An image forming apparatus includes a conveyer configured to convey a recording medium on which a mark is formed; an image reader configured to read an image formed on the recording medium while the recording medium is being conveyed; a detector configured to detected a value corresponding to a conveyance amount of the recording medium conveyed by the conveyer and output the detected value; and a processor and a memory that stores program instructions causing the processor to calculate a position of the mark on the recording medium with respect to a conveyance direction of the recording medium based on respective detected values output from the detector when an edge of the recording medium and the mark are read by the image reader.
Abstract: A system is disclosed. The system includes at least one physical memory device to store edge enhancement logic and one or more processors coupled with the at least one physical memory device to execute the edge enhancement logic to receive a plurality of pels in a continuous tone image (CTI), receive compensation data for pel forming elements associated with each of the plurality of pels, receive edge enhancement transfer functions, determine whether each of the plurality of pels is an edge pel, perform edge enhancement processing for each of the determined edge pels, including generating a final pel value for the pel based on the pel value for the pel, the edge enhancement transfer function associated with the pel, and the compensation data associated with the pel and perform compensation processing for each of the determined not edge pels, including generating a final pel value for the pel based on the pel value for the pel, and the compensation data associated with the pel.
Type:
Grant
Filed:
March 10, 2023
Date of Patent:
April 9, 2024
Assignee:
Ricoh Company, Ltd.
Inventors:
Walter F. Kailey, Claudiu Attila Balogh, Mikel Stanich
Abstract: A transmission management system includes a destination name data managing unit which manages a plurality of destination name data items which indicate a plurality of names of a destination in communications between transmission terminals, a destination name data reading unit which reads a destination name data item from the plurality of destination name data items managed by the destination name data managing unit, and a destination name data transmitting unit which transmits the destination name data item read by the destination name data reading unit to a transmission terminal capable of communicating with the destination.
Abstract: A maintenance device includes: a cap detachably contactable with a nozzle face of a liquid discharge head; a suction device to suck liquid from the cap; a waste liquid storage to store the liquid sucked from the cap by the suction device; a waste liquid channel connecting the cap and the waste liquid storage; a cleaning liquid storage storing a cleaning liquid to be supplied to the cap; and a cleaning liquid channel connecting the cap and the cleaning liquid storage. The suction device sucks: the waste liquid in the cap to discharge the waste liquid to the waste liquid storage through the waste liquid channel; and the cleaning liquid in the cleaning liquid storage to supply the cleaning liquid to the cap through the cleaning liquid channel.
Abstract: An image processing device includes: a first contamination detection circuit to detect contamination on an image reading device using a first relative threshold value calculated from a standard deviation of pixel values of a same-density region in a read image obtained by the image reading device, the image reading device reading a reference image formed on a recording medium by a line head including a plurality of inkjet heads and that has density regions of a plurality of gradations; a second contamination detection circuit to detect contamination on the image reading device using a second relative threshold value calculated from a standard deviation of pixel values of an area in the read image, the area being divided for each of the plurality of inkjet heads; and a contamination processing circuit to eliminate an influence of the contamination on the read image when at least one of the first contamination detection circuit or the second contamination detection circuit determines the contamination.
Type:
Application
Filed:
September 18, 2023
Publication date:
April 4, 2024
Applicant:
Ricoh Company, Ltd.
Inventors:
Paru KONDO, Hiroaki FUKUDA, Dai KURABAYASHI, Takuroh SAWADA
Abstract: A point cloud processing apparatus includes circuitry to generate a selection screen displaying a plurality of options each of which indicates a corresponding one of a plurality of qualities for point cloud processing that is performed on point cloud data representing a three-dimensional point cloud. The circuitry stores, in a memory, a processing result of the point cloud processing performed with one of the plurality of qualities on the point cloud data. The one of the plurality of qualities is a selected one of the plurality of options.
Abstract: An image processing apparatus communicates with an image capturing apparatus. The image processing apparatus includes circuitry to acquire an image of an imaging range of the image capturing apparatus, captured by the image capturing apparatus, recognize an identification that identifies an individual target object included in the image, calculate a trajectory of positions between which the target object included in the image moves, estimate an area in which the target object is present based on the trajectory, acquire the trajectory based on the positions at which the identification of the target object is recognized, and obtain individual area estimation information associating the estimated area corresponding to the acquired trajectory and the identification of the target object.
Abstract: A printing system is disclosed. The printing system includes at least one physical memory device to store defective print element determination logic and one or more processors coupled with the at least one physical memory device to execute the defective print element determination logic to receive a print image comprising evaluation marks and locator marks applied to a print medium by a plurality of pel forming elements according to print instructions and identify pel forming elements associated with print defect pels in the print image among the plurality of pel forming elements based on the evaluation marks, the locator marks and the print instructions.
Type:
Application
Filed:
September 29, 2022
Publication date:
April 4, 2024
Applicant:
Ricoh Company, Ltd.
Inventors:
Jiwon Gim, Scott R. Johnson, Ziling Zhang, Mikel Stanich
Abstract: An image reading device includes a sensor and circuitry. The sensor reads an image on a recording medium. The circuitry inspects the image and outputs an inspection result. The circuitry excludes an area of the recording medium as a first area from an area to be inspected, based on a type of the recording medium or a position of the recording medium with respect to a reading position at which the sensor reads the image, to determine a second area to be inspected. The circuitry outputs the inspection result based on the second area.
Abstract: An information processing system includes a plurality of apparatuses and an information processing apparatus. The plurality of apparatuses includes a first apparatus and a second apparatus. The first apparatus includes a first communication unit and a switching unit. The first communication unit is configured to receive screen information about the second apparatus sent from the information processing apparatus. The screen information is displayed on a first application program in the first apparatus. The switching unit is configured to switch a screen of a second application program to the screen of the first application program to display the screen of the first application program in response to receipt of the screen information by the first communication unit, when the first apparatus displays the screen of the second application program. The information processing apparatus is configured to communicate with the plurality of apparatuses.
Abstract: A heating device includes a heater, a rotator, and a pressure rotator. The heater includes resistive heat generators forming a heat generation area and has a separation area formed by the resistive heat generators. The pressure rotator includes a first region and a second region. The first region faces the heater in a range of 20 mm from a center position of the heat generation area toward an end thereof in the arrangement direction. The second region faces the heater in at least a part of a range of 30 mm from a center position of the separation area toward the center position of the heat generation area. An outer diameter of the pressure rotator increases from the center toward the end. The outer diameter of the second region increases at an increasing rate larger than an increasing rate of the outer diameter of the first region.
Abstract: An electronic device includes a housing that houses a movable member inside the housing, and a shock absorbing member that reduces a shock to the movable member. The shock absorbing member holds the housing on an inner side of the shock absorbing member and includes at least one of a protrusion protruding in a direction along a movable direction of the movable member or a depression depressed in a direction along the movable direction on an outer side of the shock absorbing member.
Abstract: A nip forming device includes an endless film and a pressure rotator that presses against a heater via the endless film. A driver drives and rotates the pressure rotator to cause the pressure rotator to drive and rotate the endless film. A controller controls the driver to drive and rotate the pressure rotator, based on a temperature of the pressure rotator, that is detected by a detector, in a forward direction to convey a conveyed object and to interrupt forward rotation of the pressure rotator. In response to a determination that the temperature of the pressure rotator is higher than a predetermined temperature when a job of the nip forming device is finished, the controller controls the driver to drive and rotate the pressure rotator for a predetermined time in a backward direction opposite to the forward direction and to interrupt backward rotation of the pressure rotator.
Abstract: A sheet separation device separates a non-bonding portion of a two-ply sheet in which two sheets are overlapped and bonded together at one end of the two-ply sheet. The sheet separation device includes a separator that includes a first separator and a second separator. The first separator is inserted into a gap between the two sheets of the two-ply sheet. The second separator is inserted between the two sheets at said another end of the two-ply sheet that is opposite to the one end of the two-ply sheet and moves in a width direction of the two-ply sheet after the first separator is inserted into the gap and relatively moves from the one end to said another end.
Abstract: A movable device includes a movable part including a mirror unit; a torsion bar with one end coupled to the movable part; a first cantilever part coupled to the other end of the torsion bar; a second cantilever part with one end coupled to a coupling portion of the first cantilever part; a stationary part coupled to the other end of the second cantilever part; and a driver configured to deform the second cantilever part. A width of the coupling portion of the first cantilever part, to which the second cantilever part is coupled, is narrower than a width of the second cantilever part in a width direction of the coupling portion.