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Canon Kabushiki Kaisha Patents
Assignee:
Canon Kabushiki Kaisha
Address:
Tokyo, JP
No. of patents:
46341
Patents:












Patent Number Title Of Patent Date Issued
RE43504 Image sensing apparatus having a focus adjustment device, and control method thereof July 10, 2012
This invention has as its object to prevent a conventional problem in that the focal point position cannot be determined before and after an in-focus point, even in a slow shutter mode. To this end, a camera control microcomputer of a video camera determines the drive amount of a foc
RE43201 DLL circuit and camcorder using DLL circuit February 21, 2012
A DLL circuit which can prevent transition to a pseudo lock state is provided. The DLL circuit includes a delay stage to which a reference clock is input and in which variable delay elements D able to change an amount of delay are connected in a plurality of stages, a phase comparato
RE42852 Imaging apparatus, imaging method, and storage medium October 18, 2011
The object of this invention is to provide an imaging apparatus capable of providing a high-quality image optimum for medical diagnosis or the like by an arrangement for preventing any degradation in image quality due to the influence of electromagnetic noise and vibration caused by
RE42847 Expression tree optimization for processing obscured graphical objects October 18, 2011
The present invention relates to a method, apparatus and system for optimizing an expression tree (101,902,1102) for compositing an image. Such an expression tree (101,902, 1102) can comprise at least two nodes. Each node is either a graphical element (102,104) or image compositing o
RE42797 Developer replenishment apparatus October 4, 2011
The developer replenishment apparatus includes a first developer container for accommodating the developer for replenishment, a first conveyance member disposed in the first developer container to discharge the developer for replenishment through a first opening of the first develope
RE42793 Imaging apparatus, imaging method, and storage medium October 4, 2011
The object of this invention is to provide an imaging apparatus capable of providing a high-quality image optimum for medical diagnosis or the like by an arrangement for preventing any degradation in image quality due to the influence of electromagnetic noise and vibration caused by
RE42509 Document processing to permit sharing of content by plural documents June 28, 2011
A document processing apparatus which permits the sharing of a document element in a document structure while ensuring that any change to the content appears in the document element in each document sharing it. In a document processing apparatus for managing a plurality of documents each
RE42186 Data transform processing apparatus and method March 1, 2011
A data transform processing apparatus comprising a first lossless transform circuit to perform two step ladder operation processings of receiving unweighted normalized data then outputting weighted nonnormalized rotation-transformed data, and a second lossless transform circuit to pe
RE42170 Control of information processing using one or more peripheral apparatus February 22, 2011
At least one peripheral processing apparatus and at least one information processing apparatus, interconnected through a network, include a storage means for storing control information by which the information processing apparatus controls the peripheral apparatus through the network. T
RE42166 Monitoring apparatus, management method and program therefor, and management apparatus and manag February 22, 2011
There is provided a monitoring apparatus that can reduce the processing load when a plurality of such monitoring apparatuses are centrally managed. The monitoring apparatus is capable of communicating with a management apparatus that centrally manages a plurality of monitoring appara
RE42157 Photoelectric converter, its driving method, and system including the photoelectric converter February 22, 2011
A photoelectric converter of a high signal-to-noise ratio, low cost, high productivity and stable characteristics and a system including the above photoelectric converter. The photoelectric converter includes a photoelectric converting portion in which a first electrode layer, an ins
RE42071 Color image forming apparatus and method of controlling same January 25, 2011
An image of stabilized tint is output even if a supplied transfer medium is changed to a transfer medium of a different surface gloss or type of paper. If the supplied transfer medium has changed, the tint of a corrective image formed on the transfer medium is sensed, a tint correcti
RE41778 Recording-material type determination apparatus and method and image forming apparatus September 28, 2010
To provide a recording-material type determination apparatus and recording-material type determination method which can determine the type of recording material using simple calculations as well as to provide an image forming apparatus capable of obtaining stable image quality indepe
RE41222 Focus control apparatus, image sensor, program and storage medium April 13, 2010
A digital camera has distance measurement zone setting means (12) for dividing distance to a subject into a plurality of distance measurement zones; distance measurement zone selection means (13) for selecting a distance measurement zone to be scanned; an autofocus evaluation calcula
RE41086 Electron source substrate, production method thereof, and image forming apparatus using electron January 26, 2010
An electron source substrate has an electron-emitting device consisting of a pair of device electrodes and an electroconductive thin film having an electron-emitting region; and metal wiring coupled to the device electrodes and made in a composition different from that of the device
RE40994 Ink jet recording head November 24, 2009
An ink jet recording head is provided with a flow path structure capable of enhancing the discharge power, filtering performance, and discharge frequency characteristics even with liquid droplets being made small. The flow path structure thus provided in a supply path makes the flow path
RE40699 Facsimile apparatus controlling communication in accordance with registered execution of the err April 14, 2009
A facsimile apparatus fully effectively utilizes a specific communication function in accordance with a transmission speed. A communication circuit controls the determination of a communication mode to determine a communication mode with a destination station and controls a reception
RE40566 Flat panel display including electron emitting device November 11, 2008
A display device consisting of an electron-emitting device which is a laminate of an insulating layer and a pair of opposing electrodes formed on a planar substrate. A portion of the insulating layer is between the electrodes and a portion containing an electron emitting region in be
RE40529 Ink jet recording apparatus and method using ink jet head having u-shaped wiring October 7, 2008
An ink jet recording method includes the steps of providing an ink jet recording head having a plurality of discharge openings for discharging ink, a plurality of liquid passageways for holding ink and a plurality of heat generating members. Each of the heat generating members correspond
RE40438 Mounting unit for head mounted apparatus and head mounting apparatus July 22, 2008
A mounting unit that can be worn easily and in which size adjustment and lock release can be operated with a natural hand position is disclosed. The mounting unit includes a front frame and a rear frame. The rear frame being connected to the front frame can move in a back and forth direc
RE40328 Document processing with flexible resolution and output style May 20, 2008
There is provided a document processing system in which a print image is stored into a memory and can be handled as output data by forming a document. The system comprises: a memory to store document data in a bit map style; a converter for converting the document data including char
RE40103 Electron beam apparatus and image forming apparatus February 26, 2008
An electron beam apparatus includes an electron source having an electron-emitting device, an electrode for controlling an electron beam emitted from the electron source, a target to be irradiated with an electron beam emitted from the electron source and a spacer arranged between th
RE40062 Display device with electron-emitting device with electron-emitting region insulated from electr February 12, 2008
A display device includes an electron-emitting device which is a laminate of an insulating layer and a pair of opposing electrodes formed on a planar substrate. A portion of the insulating layer is between the electrodes and contains fine particles of an electron emitting substance,
RE39984 Image encoding based on judgement on prediction error January 1, 2008
There is provided an image .[.encode.]. .Iadd.encoding .Iaddend.apparatus which comprises a generation means for generating a prediction error from an .[.encode.]. .Iadd.encoding .Iaddend.target pixel value and a prediction value of the .[.encode.]. .Iadd.encoding .Iaddend.target pixel
RE39780 Photoelectric converter, its driving method, and system including the photoelectric converter August 21, 2007
A photoelectric converter of a high signal-to-noise ratio, low cost, high productivity and stable characteristics and a system including the above photoelectric converter. The photoelectric converter includes a photoelectric converting portion in which a first electrode layer, an ins
RE39633 Display device with electron-emitting device with electron-emitting region insulated from electr May 15, 2007
A display device consists of an electron-emitting device which is a laminate of an insulating layer and a pair of opposing electrodes formed on a planar substrate. A portion of the insulating layer is between the electrodes and a portion containing an electron emitting region in betw
RE39154 Integrated circuit July 4, 2006
In an integrated circuit, a time-axis expanding circuit is provided in addition to a driver circuit for outputting a signal outside. The time-axis expanding circuit has an equivalent receiver circuit similar to an ordinary receiver circuit, and a D-type flip-flop circuit connected to
RE38922 Magneto-optical recording medium and method for reproducing information from a magneto-optical r December 20, 2005
A magnetooptical recording medium has a first magnetic layer which is an in-plane magnetization film at both room temperature and high temperatures and changed to a perpendicular magnetization film at intermediate temperatures, and a second magnetic layer which is composed of a perpe
RE38739 Facsimile apparatus May 31, 2005
A facsimile apparatus is provided with changeover means that makes it possible to pass signals through or to bypass a coder, which encrypts transmission information, and a decoder, which decodes encrypted information that has been received. Whether or not a facsimile apparatus belong
RE38737 Toner supply container detachably mountable to a main assembly of an electrographic image formin May 24, 2005
A toner supply container detachably mountable to a main assembly of an electrophotographic image forming apparatus include (a) a toner accommodating portion for accommodating toner; (b) a toner supply opening for discharging toner accommodated in the toner accommodating portion; (c)
RE38710 Laser process for making a filter for an ink jet March 15, 2005
A common recess, grooves, and common recess and/or column members in the grooves are formed on a base board at the same time, and such board is made a second base board, which is coupled to a first base board on which elements for liquid discharging energy are formed; hence obtaining an
RE38501 Magnetooptical recording medium and information recording and reproducing methods using the reco April 20, 2004
A method of recording information on and reproducing information from a magnetooptical recording medium which includes first and second magnetic layers. The method includes the step of projecting a light spot onto the medium. When reproducing information, the light spot is projected onto
RE38177 Image processing apparatus for changing the resolution upon rotation of the image July 8, 2003
An image processing apparatus having a function for rotating image data stored in a memory by 90.degree. while preventing deterioration of image quality. Upon image reading, if the line density in a subscanning direction is lower than the pixel density in a main-scanning direction, t
RE38026 Developing device having regulating rotary member for regulating toner amount March 11, 2003
A developing device for an image forming apparatus such as a copying machine, a printer, or the like to develop an electrostatic latent image on an image carrier includes a toner carrier which moves while carrying a toner on its surface, and a regulating member for regulating the amount
RE37896 Solution for fabrication of electron-emitting devices, manufacture method of electron-emitting d October 29, 2002
In a solution for forming electron-emitting regions of electron-emitting devices, the solution contains a metal carboxylate expressed by the following general formula (I), an organic solvent .[.and/or.]. .Iadd., and .Iaddend.water;where k=.[.numeral from.]. 1 .[.to 4.]. , m=.Iadd.a .Iad
RE37691 Output method May 7, 2002
An output apparatus comprises: a producing circuit for receiving code data indicative of a pattern to be generated and for producing a pattern based on the code data; an interruption instructing circuit for instructing the interruption of the outputting process; and a retreating circuit
RE37272 Image communication apparatus having a function for dividing and outputting an image July 10, 2001
There is provided an information processing apparatus of a code-compressed image information for use in a facsimile apparatus or an electronic file. This apparatus comprises: an image memory to store the coded image data; a printer to print the image data; a counter to read out the data
RE36923 Sheet stapler October 24, 2000
A sheet stapling apparatus including a stapling device for stapling a set of sheets, a load detecting device for detecting a level of a load of the stapling device during a stapling operation, and a signal generating device for generating a signal when the load detected by the load d
RE36865 Camera with operation switch September 12, 2000
In the disclosed camera, an operation switch for entering information or controlling a function has an information setting button disposed on the camera's upper surface near the shutter release button. An externally directed display behind the information setting button indicates pho
RE36783 Communication apparatus for detecting a calling signal from a line, for detecting a data communi July 18, 2000
A communication apparatus includes a first detector for detecting a calling signal from a line, a tone generator for generating quasi-calling tone and sending it out to the line, a second detector for detecting a signal indicating the data communication from a calling station, and a cont
RE36578 Image stabilizing apparatus February 22, 2000
An image stabilizing apparatus for correcting a blur of image by using correcting optical means supported in a manner capable of relative displacement in relation to the lens-barrel is adapted to include: detection means for detecting the state of the relative displacement of the cor
RE36280 Focus adjustment information forming device August 24, 1999
Disclosed is a focus adjustment information forming device of the kind arranged to measure distances at a plurality of distance measuring areas on a picture plane specified by optical means which has its focal point being adjusted and to form information on adjustment of the focal point,
RE36279 Ink jet apparatus and ink jet cartridge therefor August 24, 1999
An ink cartridge detachably mountable to an ink jet recording apparatus, the ink cartridge containing ink to be supplied to a recording head includes an ink container for containing the ink; and an adaptor having a receptor for detachably receiving the ink container and an information
RE36161 Display process and apparatus thereof incorporating overlapping of color filters March 23, 1999
A display apparatus comprises a first substrate provided with a thin film transistor array as a driving switching element and a second substrate provided with another electrode, and produces a display by electro-optical change generated between these substrates. Visibility of the display
RE35581 Charging device August 12, 1997
A charging device for contact-charging a member to be charged. A charging device for charging a movable member to be charged includes a contacting member adapted to contacting the member to be charged, and means for forming a vibratory electric field between the member to be charged and
RE35341 Sheet feed apparatus for image forming system October 1, 1996
Image forming apparatus including sheet feeding apparatus, sheet conveying apparatus, sheet delivering apparatus, structure for supporting the sheet conveying apparatus and sheet delivering apparatus and having an opening side, sheet storing apparatus, and structure for guiding the sheet
RE35275 Biasing liquid crystal displays having capacitors and transistors June 18, 1996
A display apparatus comprises a first substrate provided with a thin film transistor array as a driving switching element and a second substrate provided with another electrode, and produces a display by electro-optical change generated between these substrates. Visibility of the display
RE35274 Variable magnification copying machine June 18, 1996
A variable magnification copying machine comprises original size input means for inputting a size of an original, a paper size input means for inputting a size of a copy paper and a copy magnification calculation means for calculating a copy magnification factor based on the original
RE35198 Image forming member for electrophotography April 2, 1996
Image-forming member for electrophotography comprising a charge generation layer composed of hydrogenated amorphous silicon.
RE35087 Sheet sorter with stapler November 14, 1995
A sheet sorting apparatus with a stapler, includes a plurality of bin trays, bin tray shifting device for moving the plurality of the bin trays stepwisely substantially in the vertical direction to oppose the respective bin trays to a sheet inlet of the sorting apparatus, while expan

 
 
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