Abstract: A color conversion correction data generation device includes circuitry that acquires first chromaticity values obtained from conversion target image data and second chromaticity values of sample image data, the conversion target image data being image data to be subjected to color conversion, the sample image data being obtained by reading a printed sample; curve-fits chromaticity value correspondence data to generate color conversion correction data, the chromaticity value correspondence data being data in which the acquired first chromaticity values and the acquired second chromaticity values are associated with each other; and outputs the color conversion correction data for correcting image data obtained by subjecting the conversion target image data to the color conversion.
Abstract: An ink contains water, a coloring material, a resin, and an organic solvent, wherein the dried layer of the ink has a surface free energy ?S having a polar component ?Sp of from 3.5 to 20 J/m2 at 25 degrees C.
Abstract: A transmission management apparatus manages transmission states of a plurality of transmission terminals including a first transmission terminal and a second transmission terminal.
Abstract: A heating device includes a planar heater, a heating rotator, a pressure rotator, and one or more charge eliminators. The planar heater includes a base and a resistive heat generator. The heating rotator contacts the heater and includes a conductive layer. The pressure rotator presses the heating rotator and has an outer surface including a conductive material. The one or more charge eliminators contact the conductive layer and the outer surface of the pressure rotator.
Abstract: A paper feeding device includes: a bearing base to which a spool inserted into a paper roll, around which a paper is wound, is detachably attachable; a support including: a leading-end detection sensor to detect a leading end of the paper on the paper roll and output a sensor signal; and a roller disposed at a position in the support different from the leading-end detection sensor in a circumferential direction of the paper roll, to cause the leading-end detection sensor and the roller to contact a surface of the paper roll attached to the bearing base; and to cause the leading-end detection sensor and the roller to be directed toward an axial center of the spool; and a motor to rotate the spool in a feeding direction to feed the paper and in a reverse direction opposite to the feeding direction.
Abstract: A display device, a display control method, a non-transitory recoding medium, and a display system. The display device receives an image from a terminal device by wireless communication, outputs the image to a display, acquires operation information on the image being displayed at the display, and displays a first display component together with the image, the first display component for receiving an operation that executes to stop the output of the image and restrict transmission of the operation information to the terminal device.
Abstract: An information processing apparatus includes a memory and processing circuitry. The memory stores log data generated by an execution of a process. The processing circuity stops the execution of the process in a state where the process is being executed and when an amount of the log data in the memory is larger than a first threshold, and restarts the execution of the process in a state where the execution of the process is stopped and when the amount of the log data in the memory is smaller than a second threshold that is smaller than the first threshold.
Abstract: An information processing apparatus includes: circuitry that converts: a total-amount restriction value that is input into a value corresponding to a gradation value; for each of colors of color materials included in an image forming apparatus, convert a gradation value of color information into a value of a color material amount normalized using a gradation value of the color of the color information; perform total-amount restriction on the normalized and converted value of the color material amount of the each of the colors based on the converted value corresponding to the gradation value; and convert the value of the color material amount of the each of the colors after the total-amount restriction into the gradation value of the each of the colors.
Abstract: A device (1) for controlling user access to at least one container (4) for dispensing printing material housed by a printing apparatus (5), the device (1) comprising an openable and closable barrier (2) corresponding to the container (4) and a lock for locking the barrier (2) in a closed position. The lock is overlapped by at least a portion of the barrier (2) both when the barrier (2) is in the closed position and when the barrier (2) is in an open position.
Type:
Grant
Filed:
March 6, 2020
Date of Patent:
April 9, 2024
Assignee:
Ricoh Company, Ltd.
Inventors:
James R. Pryde, Mark Smith, Robert Hargreaves
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 capturing device includes an imaging device and circuitry. The imaging device captures an image. The circuitry defines a point of interest in the image, converts the defined point of interest in accordance with attitude information of the image capturing device, and cuts out a viewable area from the image. The viewable area includes the converted point of interest.
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 powder container includes a powder chamber for containing powder for forming images, a powder outlet formed in a face of the powder container, and a shutter assembly to open and close the powder outlet and including first and second shutters. The first shutter is movable between a sealing position to close the powder outlet and an open position to open the powder outlet and includes a pressed member to cancel retention of the first shutter at the sealing position. The second shutter includes a pressing projection that interferes with the pressed member of the first shutter and is movable between a shielding position to cover the pressed member without interference between the pressing projection and the pressed member and a releasing position to press the pressed member with the pressing projection.
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: 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: 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: 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: An information provision device, information provision method, and a non-transitory recording medium storing a program for causing a computer to execute the information provision method. Each of the information provision device and the information provision method includes projecting an image light to a light transmission member to display a for-driver information image indicating for-driver information to be provided to a driver of a mobile object in a prescribed display area, and displaying at a first point where a normal for-driver information image is displayed a priority for-driver information image in place of the normal for-driver information image, where the displaying includes displaying the normal for-driver information image at a second point different from the first point for at least some of a period during which the priority for-driver information image is displayed at the first point.
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.