Patent application number | Description | Published |
20090297214 | PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, the process cartridge includes a drum unit supporting an electrophotographic photosensitive member and having a process cartridge positioning portion which is engageable with a main assembly positioning portion provided in the main assembly of the apparatus when the process cartridge is mounted to the main assembly of the apparatus; a developing unit supporting a developing roller for developing an electrostatic latent image formed on the electrophotographic photosensitive member with a developer, wherein the developing unit is movable relative to the drum unit between a contacting position in which the developing roller is contacted to the electrophotographic photosensitive member and a spaced position in which the developing roller is spaced from the electrophotographic photosensitive member; and a space maintaining member movable between an engaging position for maintaining the developing unit in the spaced position and a releasing position for permitting the developing unit to move to the contacting position, wherein the space maintaining member is moved to the releasing position by being abutted by the main assembly positioning portion when the process cartridge is mounted to the main assembly. | 12-03-2009 |
20090297215 | PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, said process cartridge includes an electrophotographic photosensitive drum; a drum unit containing said electrophotographic photosensitive drum; a developing roller for developing an electrostatic latent image formed on said electrophotographic photosensitive drum; a developing unit swingably supported by said drum unit and containing said developing roller; an urging member for urging said drum unit and said developing unit to each other so as to press said developing roller against said electrophotographic photosensitive drum; and a space keeping member for keeping space between said electrophotographic photosensitive drum and said developing roller by engaging with said developing unit and limiting swing of said developing unit against an urging force of said urging member, wherein said space keeping member is movable by being contacted by the main assembly of the apparatus in a direction crossing with a swing plane perpendicular to an axis of the swing, when said process cartridge is mounted to the main assembly of the apparatus in a direction of an axis of said electrophotographic photosensitive drum. | 12-03-2009 |
20110280621 | PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus includes a charging roller for charging a surface of the photosensitive drum by being urged and contacted to a photosensitive drum; a link engaged with an end of a rotation shaft of the charging roller; a locking member, locked with the link in a state that charging roller is spaced from the drum, for holding a spaced state of the charging roller from drum; the developing unit including, a gear train for transmitting an externally inputted driving force to a member provided in the developing unit: a space releasing member for contacting and moving the link to release the link from the locking member, thereby to cease the spaced state of the charging roller, the space releasing member being provided with a drive receiving portion; a connecting member including an input gear portion for receiving a driving force from the gear train, and a drive transmitting portion engageable with the drive receiving portion; wherein a play is provided between the drive receiving portion and the drive transmitting portion in a direction of movement of the drive transmitting portion, wherein when the process cartridge is mounted to the main assembly of the apparatus and is operated, the space releasing member is moved by the driving force from the gear train through the connecting member, and the space releasing member releases locking between the link and the locking member, thereby ceasing the spaced state of the charging roller, wherein the play provides a movable distance of the space releasing member which is larger than a movement distance through which the space releasing member moves at the time when the developing unit is swung relative to the drum unit. | 11-17-2011 |
Patent application number | Description | Published |
20130064583 | IMAGE FORMING APPARATUS - An image forming apparatus, which is configured to form an image on a sheet, includes an image forming unit configured to form an unfixed toner image on the sheet, and a fixing unit configured to fix the unfixed toner image to the sheet by heating the sheet bearing the unfixed toner image while conveying the sheet by a fixing nip portion. The image forming apparatus can perform a cleaning mode for cleaning the fixing unit by conveying a sheet with an unfixed toner image for cleaning formed thereon by the fixing nip portion. At a time of the cleaning mode, the image forming unit forms the unfixed toner image for cleaning on a sheet surface opposite from a sheet surface where the unfixed toner image is formed at a time of image formation. | 03-14-2013 |
20130315618 | IMAGE FORMING APPARATUS AND CARTRIDGE - An image forming apparatus includes a plurality of cartridges, and a moving member to which the plurality of cartridges is detachably attached. Of a pair of cartridges attached to the moving member and adjacent to each other, one cartridge has a recessed portion recessed from a frame member thereof and extending in an attachment direction of the cartridge, and the other cartridge has a raised portion protruding from the frame member thereof and extending in the attachment direction. The raised portion provided on the other cartridge enters the recessed portion provided in the one cartridge when the pair of cartridges is attached to the moving member. Positions of the raised portion and the recessed portion overlap each other as viewed in an axial direction of the image bearing member. | 11-28-2013 |
20140072326 | UNIT, CLEANING UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A cleaning unit usable with an image forming apparatus includes a cleaning blade, supported by a frame and including a free end contactable to an image bearing drum, for removing a developer from the drum; a first seal provided between the frame and the blade by injection molding into the frame adjacent to a longitudinal end portion of the blade, the first seal being effective to prevent developer leakage; and a second seal provided between the drum and the frame in contact with the free end of the blade adjacent to the longitudinal end portion, wherein the first seal includes a seal portion contacting the blade, and a seat supporting the second seal, the seat being deformable to move the second seal to urge the second seal to the free end of the blade when the drum is mounted to the frame. | 03-13-2014 |
20140072339 | PROCESS CARTRIDGE - A process cartridge includes an image bearing member unit configured to rotatably support an image bearing member, and a developing unit configured to rotatably support a developer bearing member, wherein the developing unit includes a first supported portion configured to be swingably supported with respect to the image bearing member unit, a second supported portion provided configured to be swingably and slidably supported with respect to the image bearing member unit, and a regulated portion configured to be capable of contacting a regulating portion provided on the image bearing member unit, wherein the regulating portion regulates the developing unit from moving in a slide direction of the second supported portion, by contacting the regulated portion, when the image bearing member and the developer bearing member rotate while contacting to each other. | 03-13-2014 |
Patent application number | Description | Published |
20080250101 | MULTIMEDIA DATA TRANSMITTING APPARATUS AND MULTIMEDIA DATA RECEIVING APPARATUS - To provide, in a multimedia content server which stores multimedia data and transmits the stored multimedia data to a terminal, a technique which allows the terminal to implement a data broadcast even when random access for trick play, and the like, is performed. Upon receiving a data transmission request from a multimedia data receiving apparatus, a multimedia data transmitting apparatus transmits the requested multimedia data and definitely inserts data required for data broadcasting or transmits data for data broadcasting, separately from the multimedia data, thereby enabling the multimedia data receiving apparatus to obtain the data required for data broadcasting. | 10-09-2008 |
20080250461 | MULTIMEDIA DATA TRANSMITTING APPARATUS AND MULTIMEDIA DATA RECEIVING APPARATUS - To provide, in a multimedia content server which stores multimedia data and transmits the stored multimedia data to a terminal, a technique which allows the terminal to properly detect and process version up of section data even when random access for trick play, and the like, is performed. Upon receiving a data transmission request from a multimedia data receiving apparatus, a multimedia data transmitting apparatus transmits the requested multimedia data and notifies data necessary for obtaining an update-point of section data included in the multimedia data or a URI which enables the obtaining of the data, to the multimedia data receiving apparatus. | 10-09-2008 |
20090193101 | MULTIMEDIA DATA TRANSMITTING APPARATUS AND MULTIMEDIA DATA MANAGEMENT METHOD - To provide, in a multi-user environment, a multimedia data transmitting apparatus which prevents a content for which playing is paused by a user from being deleted by another user, and allows playing to be resumed. The multimedia data transmitting apparatus includes: a content managing unit which holds a content and an attribute thereof; and a judging unit which judges, when deletion of the content is requested, whether or not deletion is possible for the content, based on the attribute. The judging unit judges that deletion is possible when the attribute does not indicate either “currently played” or “playing paused”, and to judge that the deletion is not possible when the attribute indicates “currently played” or “playing paused”, and the content managing unit deletes the content when said judging unit judges that deletion is possible. | 07-30-2009 |
20090222867 | Broadcast receiving apparatus, video storing apparatus, and multimedia delivering system - An apparatus is provided which supplies cached data in a house which does not require a large-space storage device, is a broadcast receiving apparatus that is connected to a network and that receives multimedia data including at least one of video and audio, from a device installed in a broadcast station. The apparatus includes a data receiving unit that receives the multimedia data from the device installed in the broadcast station, a selecting unit that selects one of the video storing apparatuses each of which stores multimedia data, an information communicating unit that transmits a request for storing multimedia data to the video storing apparatus selected by the selecting unit, and a data output unit that outputs the multimedia data received by the data receiving unit to the video storing apparatus selected by the selecting unit via the network. | 09-03-2009 |
20090300231 | DATA OUTPUT DEVICE, EQUIPMENT CONTROL DEVICE, AND MULTIMEDIA DELIVERY SYSTEM - A technology which can appropriately resume reproduction of paused content from a terminal in another terminal in a multimedia delivery system made up of a multimedia content server and plural terminals connected to a network. | 12-03-2009 |
20100262674 | DATA TRANSMITTING APPARATUS, DATA RECEIVING APPARATUS, DATA TRANSMITTING METHOD AND DATA RECEIVING METHOD - A data transmitting apparatus, which implements a RESUME function which is capable of properly setting a resume position and capable of setting plural resume positions, executes a Java™ application program and includes: a memory for storing content and content attribute information; a network unit which transmits a content to a data receiving apparatus; an action request receiving and responding unit which receives an update request indicating a resume position, from the data receiving apparatus; and a resume position managing unit which updates content attribute information stored in the memory in accordance with the received update request, so that such resume position and a resume position identifier are included in the content attribute information. | 10-14-2010 |
20120311645 | VIDEO PROCESSING DEVICE, METHOD, RECORDING MEDIUM, AND INTEGRATED CIRCUIT - A video processing device receives at least a supplementary display object playback stream and a data block, the supplementary display object playback stream containing an encoded supplementary display object to be displayed along with a 3D video image, and the data block including identifying information for 3D display of the supplementary display object by a processing unit. Before the content of the supplementary display object playback stream is referred to, the identifying information is extracted from the data block and the processing unit for 3D display of the supplementary display object is determined. The determined processing unit processes the supplementary display object playback stream to create and output a right-view supplementary display object and a left-view supplementary display object. | 12-06-2012 |
20130024898 | CONTENT PLAYBACK DEVICE, CONTENT PLAYBACK METHOD, CONTENT PLAYBACK PROGRAM, AND CONTENT PROVIDING SYSTEM - To provide a content playback device capable of, when playing back a content distributed in a streaming format via a network whose view mode is selectable among a plurality of view modes, presenting to a user the switchability between the view modes, thereby to improve the user's convenience. The content playback device includes a reception unit that receives, from the content distribution system, control information indicating a plurality of view modes selectable for viewing the video content, a presentation unit that presents, to a user, the view modes as options of a view mode for viewing the video content, an input reception unit that receives an input selecting one view mode among the view modes from the user; and a request unit that requests the content distribution system to distribute the video content in the streaming format, by transmitting information indicating the selected view mode to the content distribution system. | 01-24-2013 |
20130291025 | CONTENT PLAYBACK DEVICE, METHOD FOR PLAYING BACK CONTENT AND CONTENT DELIVERY SYSTEM - A content playback device reduces user discomfort, relative to conventional devices, when playback is interrupted and resumed after switching viewing modes, pieces of content representing different viewing modes for a common product, and differing in video length or having other differences. The content playback device receives and plays back streaming content from a content server delivering two pieces of content having different viewing modes for the common product, and comprises: a selection unit selecting a viewing mode; a determination unit determining whether playback of a first piece of content not having the selected viewing mode was interrupted; a conversion unit converting, when the determination unit has determined affirmatively, a playback interrupt position into a corresponding position in a second piece of content having the selected viewing mode; and a request unit making a request to the content server for transmission of the second piece of content from the corresponding position. | 10-31-2013 |
20140079368 | DISPLAY DEVICE AND TRANSMISSION DEVICE - A display device comprising: a reception unit; a display unit; a storage unit; and an acquisition unit. The reception unit receives a stream containing a plurality of video frames and first display timing information specifying a display timing of each video frame. The display unit displays each video frame at a corresponding display timing specified by the first display timing information. The storage unit stores an image and second display timing information specifying a display timing of the image. The acquisition unit acquires correction information specifying a correction amount for correcting the display timing of the image and thereby enabling the image to be displayed in synchronization with the video frames displayed by the display unit. The display unit further displays the image at a corrected display timing determined by correcting the display timing of the image by using the correction amount specified by the correction information. | 03-20-2014 |
Patent application number | Description | Published |
20100036966 | MEDIA CONTENTS DISTRIBUTION SYSTEM AND METHOD - A server stores a media content and an execution program for processing the media content, and determines a usage rule for the media content to be transmitted to a terminal. The server distributes the usage rule, the media content, and the execution program to the terminal. The terminal stores the distributed usage rule, media content, and execution program. The terminal executes the stored execution program and processes the stored media content within the bounds of the usage rule as stored. The server may perform a billing process in accordance with the determined usage rule, or select and distribute a media content or an execution program in accordance with the processing ability of the terminal or a state of communications. Moreover, the server may distribute, in addition to the execution program, middleware for constructing an operating environment for the execution program. | 02-11-2010 |
20110258289 | MEDIA CONTENTS DISTRIBUTION SYSTEM AND METHOD - A server stores a media content and an execution program for processing the media content, and determines a usage rule for the media content to be transmitted to a terminal. The server distributes the usage rule, the media content, and the execution program to the terminal. The terminal stores the distributed usage rule, media content, and execution program. The terminal executes the stored execution program and processes the stored media content within the bounds of the usage rule as stored. The server may perform a billing process in accordance with the determined usage rule, or select and distribute a media content or an execution program in accordance with the processing ability of the terminal or a state of communications. Moreover, the server may distribute, in addition to the execution program, middleware for constructing an operating environment for the execution program. | 10-20-2011 |