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35results about How to "High image formation" patented technology

Electrophotographic photoconductor, and image formation method, image formation apparatus, and process cartridge for image formation apparatus using the same

An electrophotographic photoconductor having at least a photoconductive layer on an electrically conductive support, in which a surface layer of the photoconductive layer can be obtained by curing at least a free-radical-polymerizable monomer having no electron transporting structure, represented by general formula (A) and a one-functional free-radical-polymerizable compound having an electron transporting structure, wherein R71, R72, R73, R74, R75, and R76 are described in the specification.
Owner:RICOH KK

Optical image capturing system

An optical image capturing system, from an object side to an image side, comprises a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, and a sixth lens element. The first lens element has a positive refractive power and a convex object-side surface. The second through fifth lens elements has a positive refractive power and the object-side and image-side surfaces of these lens elements are aspheric. The sixth lens element has a negative refractive power and a concave image-side surface. The object-side surface and the image-side surface are aspheric, and at least one of the two surfaces has inflection points. The first through sixth lens elements has a refractive power. When specific conditions are satisfied, the optical image capturing system may has a large aperture value and a better optical path adjusting ability to acquire better imaging quality.
Owner:ABILITY OPTO ELECTRONICS TECH

Optical image capturing system

The invention discloses a six-piece optical lens for capturing image and a six-piece optical system for capturing image. In order from an object side to an image side, the optical lens along the optical axis comprises a first lens with a positive refractive power having a convex object-side surface; a second lens with a refractive power; a third lens with a refractive power; a fourth lens with a refractive power; a fifth lens with a refractive power; and a sixth lens with a negative refractive power having a concave object-side surface; and at least one of the image-side surface and object-side surface of each of the sixth lens element has inflection points and both of the image-side surface and object-side surface of the sixth lens element are aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.
Owner:ABILITY OPTO ELECTRONICS TECH

Image forming method and image forming apparatus

The present invention relates to an image forming method comprising the steps of forming visible images in application of an ink, which at least includes an ink solvent and a color material, onto a recording medium having a porous layer on a surface of the medium from a side of the porous layer; conveying the recording medium from a location for forming images to a location for a subsequent process; and flattening the surface of the recording medium formed with visible images by pressing the surface while heating to form a flattened layer. In a nip region that the surface of the recording medium formed with visible images is pressed, a point A at which the ink solvent contained in the recording medium reaches the boiling point is located upstream of a point B at which the porous layer of the recording medium loses its liquid permeation property.
Owner:CANON KK

Electrophotographic photoconductor, and image formation method, image formation apparatus, and process cartridge for image formation apparatus using the same

An electrophotographic photoconductor having at least a photoconductive layer on an electrically conductive support, in which a surface layer of the photoconductive layer can be obtained by curing at least a free-radical-polymerizable monomer having no charge transporting structure, represented by general formula (A)and a one-functional free-radical-polymerizable compound having a charge transporting structure, wherein R71, R72, R73, R74, R75, and R76 are described in the specification.
Owner:RICOH KK

System, method and computer program product for controlling image information

An image information control method and apparatus, the apparatus includes a receiving unit configured to receive bit map image data sent from an information process unit, and an accumulating unit configured to accumulate the image data received from the information process unit line by line. A blocked unit is configured to group a plurality of lines of the image data into a predetermined size block of image data. A converting unit is configured to convert the block of image data into a language command corresponding to the image forming apparatus and including the block of image data, and a sending unit is configured to send the language command to the image forming apparatus.
Owner:RICOH KK

Optical image capturing system

An optical image capturing system, from an object side to an image side, comprises a first lens, a second lens, a third lens, a fifth lens, and a sixth lens elements. The first lens element with refractive power has a convex object-side surface. The second through fifth lens elements have refractive power and both of an object-side surface and an image-side surface of the four lens elements are aspheric. The sixth lens with refractive power has a concave image-side surface. Both of the image-side and object-side surfaces of the six lens elements are aspheric and at least one of the two surfaces has inflection points. Each of the six lens elements may have refractive power. When satisfying specific conditions, the optical image capturing system can have a larger incoming light quantity and a better optical path adjusting ability to acquire better imaging quality.
Owner:ABILITY OPTO ELECTRONICS TECH

Optical image capturing system

A six-piece optical lens for capturing image and a six-piece optical module for capturing image are provided. In order from an object side to an image side, the optical lens comprises a first lens element with positive refractive power having a convex object-side surface; a second lens, a third lens, a fourth lens and a fifth lens elements with refractive powers and both of an image-side and an object-side surfaces of the four lens elements are aspheric; and a sixth lens with negative refractive power and both of an image-side and an object-side surfaces of the four lens elements are aspheric, and at least one of the image-side surface and object-side surface of the six lens elements has one inflection point. Each of the six lens elements may have a refractive power. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.
Owner:ABILITY OPTO ELECTRONICS TECH

Fixing device and image forming apparatus

A fixing device has a magnetic field generator; an electric power supplier for electric power supply to the magnetic field generator; electric power controller for controlling an electric power value to be supplied by the electric power supplier; a fixing member, disposed in the magnetic field, having an electroconductive layer which generates heat by eddy current generated by the magnetic field; a temperature detecting member for detecting a temperature of the fixing member; a discriminator for discriminating whether the apparatus is in order by comparing a detected temperature to a reference temperature in a period from a start of heating the fixing member to arrival at a predetermined temperature; and a reference temperature changer for changing the reference temperature on the basis of the supplied electric power value upon the electric power controller changing the electric power value.
Owner:CANON KK

Composite sol process for producing the same and ink-jet recording medium

A composite sol containing colloidal composite particles having a particle diameter measured by dynamic light scattering method of 20 to 500 nm, composed of colloidal silica particles having a specific surface area diameter of 3 to 100 nm and aluminum phosphate bonding the colloidal silica particles or coating and bonding the colloidal silica particles; a process for producing the composite sol; a coating composition for ink receiving layer containing the composite sol; and an ink jet recording medium having an ink receiving layer containing the composite sol.
Owner:NISSAN CHEM IND LTD

Optical image capturing system

An optical image capturing system, from an object side to an image side, comprises a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, and a sixth lens element. The first lens element has a positive refractive power and may have a convex object-side surface. The second through fifth lens elements has a refractive power and the object-side and image-side surfaces of these lens elements are aspheric. The sixth lens element has a negative refractive power and a concave image-side surface. The object-side surface and the image-side surface are aspheric, and at least one of the two surfaces has inflection points. The first through sixth lens elements has a refractive power. When specific conditions are satisfied, the optical image capturing system may has a large aperture value and a better optical path adjusting ability to acquire better imaging quality.
Owner:ABILITY OPTO ELECTRONICS TECH

Optical image capturing system

An optical image capturing system, from an object side to an image side, comprises a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, and a sixth lens element. The first lens element has a positive refractive power and may have a convex object-side surface. The second through fifth lens elements has a refractive power and the object-side and image-side surfaces of these lens elements are aspheric. The sixth lens element has a negative refractive power and may have a concave image-side surface. The object-side surface and the image-side surface of the sixth lens element are aspheric, and at least one of the two surfaces has inflection points. When specific conditions are satisfied, the optical image capturing system may has a large aperture value and a better optical path adjusting ability to acquire better imaging quality.
Owner:ABILITY OPTO ELECTRONICS TECH

Image processing apparatus for compressing image data with optimum compression method corresponding to image size thereof

An image processing apparatus for storing image data in a memory, reading image data stored in a memory, and generating print data, and is provided with a size designating means for designating an image size, and a memory control means for storing in memory the image data compressed by a compression method corresponding to a specified image size.
Owner:MINOLTA CO LTD

Optical image capturing system

An optical image capturing system, from an object side to an image side, comprises a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, and a sixth lens element. The first lens element has a positive refractive power and may have a convex object-side surface. The second through fifth lens elements has a refractive power and the object-side and image-side surfaces of these lens elements are aspheric. The sixth lens element has a negative refractive power and may have a concave image-side surface. The object-side surface and the image-side surface of the sixth lens element are aspheric, and at least one of the two surfaces has inflection points. When specific conditions are satisfied, the optical image capturing system may has a large aperture value and a better optical path adjusting ability to acquire better imaging quality.
Owner:ABILITY OPTO ELECTRONICS TECH

Recording device

A recording device for recording an image on a recording medium, the recording device comprising: a recording head having a liquid drop discharging surface for discharging liquid drops toward a recording medium; a liquid receptacle disposed at a position opposing a liquid drop discharging surface of the recording head, and able to accommodate the liquid drops; and a conveying device for conveying the recording medium between the recording head and the liquid receptacle, by a non-electrostatic attraction method.
Owner:FUJIFILM BUSINESS INNOVATION CORP

Image forming apparatus and management system

An image forming apparatus includes a developing device for developing an electrostatic latent image, formed on an image-bearing member, with toner; a developer supply container which contains developer containing toner and a carrier and is detachably mountable to a main assembly of the image forming apparatus; developer supply means for supplying the developer contained in the developer supply container to the developing-device; and developer discharge means for permitting discharge of the developer in the developing device to the outside of the developing device. To the image forming apparatus, one of plural kinds of developer supply containers containing developers having different carrier ratios in the developers is selectively mountable. The image forming apparatus further comprises notification means for providing notification of the kind of the developer supply container to be selected on the basis of information on deterioration of the carrier when the developer supply container is replaced.
Owner:CANON KK

Fixing device and image forming apparatus

A fixing device has a magnetic field generator; an electric power supplier for electric power supply to the magnetic field generator; electric power controller for controlling an electric power value to be supplied by the electric power supplier; a fixing member, disposed in the magnetic field, having an electroconductive layer which generates heat by eddy current generated by the magnetic field; a temperature detecting member for detecting a temperature of the fixing member; a discriminator for discriminating whether the apparatus is in order by comparing a detected temperature to a reference temperature in a period from a start of heating the fixing member to arrival at a predetermined temperature; and a reference temperature changer for changing the reference temperature on the basis of the supplied electric power value upon the electric power controller changing the electric power value.
Owner:CANON KK

Image forming apparatus and management system

An image forming apparatus includes a developing device for developing an electrostatic latent image, formed on an image-bearing member, with toner; a developer supply container which contains developer containing toner and a carrier and is detachably mountable to a main assembly of the image forming apparatus; developer supply means for supplying the developer contained in the developer supply container to the developing-device; and developer discharge means for permitting discharge of the developer in the developing device to the outside of the developing device. To the image forming apparatus, one of plural kinds of developer supply containers containing developers having different carrier ratios in the developers is selectively mountable. The image forming apparatus further comprises notification means for providing notification of the kind of the developer supply container to be selected on the basis of information on deterioration of the carrier when the developer supply container is replaced.
Owner:CANON KK

Image correction device

An image correction device for use in an image forming system which is connectable to a plurality of image readers and image forming apparatuses, the image correction device is capable of suppressing distortion in the image forming system by using optimum image correction information corresponding to mechanical differences and changes over time in the plurality of image readers and image forming apparatuses, the image correction device includes a discriminating device for discriminating the image readers from the image forming apparatuses which are connected to the image correction device, memory means for storing correction data relating to combinations of the image readers and image forming apparatuses and data correction means for correcting image data output from an image reader using the correction data relating to a specific combination of image reader and image forming apparatus and for outputting the corrected data to an image forming apparatus.
Owner:MINOLTA CO LTD

Optical image capturing system

An optical image capturing system, from an object side to an image side, comprises a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, and a sixth lens element. The first lens element has a positive refractive power and may have a convex object-side surface. The second through fifth lens elements has a refractive power and the object-side and image-side surfaces of these lens elements are aspheric. The sixth lens element has a negative refractive power and may have a concave image-side surface. The object-side surface and the image-side surface of the sixth lens element are aspheric, and at least one of the two surfaces has inflection points. When specific conditions are satisfied, the optical image capturing system may has a large aperture value and a better optical path adjusting ability to acquire better imaging quality.
Owner:ABILITY OPTO ELECTRONICS TECH

Liquid discharge method and liquid discharge head

A liquid discharge method allowing a liquid inside a flow path to be heated by a heat generating element (2), thereby to generate a bubble by using a liquid discharge head including an orifice plate (4) having a discharge port (5), heat generating elements symmetrically disposed on the surface opposite to the liquid discharge surface of the orifice plate with the discharge port as a center, and the flow path communicating with the discharge port, and allowing liquid discharged from the discharge port by a volume change accompanied with a generation of bubble, wherein bubble is allowed to advance into the discharge port, and a top end of bubble is allowed to reach at least up to liquid discharge surface (8) of the orifice plate, and a columnar liquid inside the discharge port sandwiched between bubbles is separated by a contraction force caused by a surface tension toward the center of the discharge port.
Owner:CANON KK
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