11th week of 2009 patent applcation highlights part 35 |
Patent application number | Title | Published |
20090067787 | Optical System and Method of Manufacturing the Same - An optical system comprising a substrate and an optical waveguide which is formed on the substrate and to which optical fibers are optically coupled. The optical waveguide has a plurality of straight core portions which obliquely intersect each other. The substrate has positioning sections for positioning a plurality of optical fibers optically coupled to two or more of the plurality of the core portions, the positioning sections having grooves on which the respective optical fibers are supported. When the plurality of optical fibers are supported on the respective grooves, offsets between centers of the plurality of the core portions and respective centers of the plurality of the optical fibers coupled to the core portions are equal to or less than 5 μm. | 2009-03-12 |
20090067788 | Electrical to Optical and Optical to Electrical Connector System - A connector module for interfacing electrical or optical connectors to electrical systems such as an audio/visual signal processing board. The module includes a housing defining at least first and second faces, at least the second face being less than about one square inch in area. There is a first electrical or optical connector at the first face, and a second electrical connector at the second face, in which the second electrical connector is a pin connector. | 2009-03-12 |
20090067789 | DUAL INNER DIAMETER FERRULE DEVICE AND METHOD - A fiber optic ferrule includes a body extending from a first end to a second opposite end, with the body including an axial passage extending between the first and second ends. The axial passage includes a first diameter portion having a diameter of at least 125 microns, and a second diameter portion having a diameter of at least 250 microns and less than a diameter of the buffer, the second diameter portion positioned between the first diameter and the second end. The axial passage further defines a tapered shape at the second end extending inward from the second end to the second diameter portion. A hub holds the ferrule. A method of assembling a terminated fiber optic cable is also provided. | 2009-03-12 |
20090067790 | FERRULE TRANSFER METHOD AND FERRULE HOLDER - Other end of a built-in optical fiber of a ferrule with one end of the built-in optical fiber matched with a splicing end surface and other end of the built-in optical fiber protruded from an end portion opposite to the splicing end surface and one end of a splicing optical fiber to be spliced are placed is fusion-sliced with the one end of the splicing optical fiber. After that, the ferrule is held by inserting a cylindrical portion of the ferrule into a holding unit of a ferrule holder from the splicing end surface. The ferrule is transferred while holding a stem extended on an opposite side of the holding unit of the ferrule holder and the splicing optical fiber. | 2009-03-12 |
20090067791 | Optical tube assembly having a dry insert and methods of making the same - An optical tube assembly having at least one optical waveguide, at least one dry insert, and a tube. In one embodiment, the dry insert has a first layer and a second layer. The first layer is a polyurethane foam and the second layer is a water-swellable layer, wherein the dry insert is disposed within the tube and generally surrounds the at least one optical waveguide. | 2009-03-12 |
20090067792 | Fiber-Optic Cable - Step-index optical waveguides are made of multicomponent glass containing a core glass and an outer glass which entirely surrounds the core class. A fiber-optic cable for conducting electromagnetic radiation, contains at least one bundle of individual fibers which encompass the step-index optical waveguides that are made of multicomponent glass containing a core glass and an outer glass that entirely surrounds the core glass on the circumferential wall thereof. These step-index optical waveguides provide great transmission capacity for transmitting data while keeping the transfer characteristics sufficiently durable. Furthermore, the fiber-optic cable is resistant against physical and chemical environmental influences and be protected against radical ambient chemicals. These aims are achieved by the fact that the outer glass of the step-index optical waveguides is provided with a material composition which is largely free from chemical interactions with the core glass when the fibers are drawn and is chemically inactive towards the plastic jacket. | 2009-03-12 |
20090067793 | Multiple Core Microstructured Optical Fibre - A multicore optical fibre includes a microstructured cladding material formed from a plurality of cladding elements arranged in an array and each cladding element comprising at least two different materials each having different refractive indices, and a plurality of core elements formed within interstitial regions between adjacent cladding elements. A fibre so formed may have a large number of cores per unit cross-sectional area as compared with prior art fibres, and thus allows the fibre to have relatively short distances between adjacent cores for a given required inter-core isolation. A fibre so formed has utility in many areas requiring high core density, such as inter-chip optical communication, or optical communication between circuit boards. | 2009-03-12 |
20090067794 | Plastic optical fiber cable - The invention provides a plastic optical fiber cable comprising a plastic optical fiber having a core/clad structure, a light blocking coating layer provided around the plastic optical fiber, and a protective coating layer provided between the outermost layer of the core/clad structure and the light blocking coating layer. The outermost layer of the core/clad structure is made of a fluorine-containing olefin polymer containing at least a tetrafluoroethylene unit, the crystal melting heat of the fluorine-containing olefin polymer being 59 mJ/mg or lower. The light blocking coating layer is made of a resin primarily containing a polyamide resin, the content of polyamide resin-derived monomers and oligomers being 1.5% by weight or lower. | 2009-03-12 |
20090067795 | Optical fiber configuration for dissipating stray light - An optical transmission fiber is formed to include a relatively low-index, relatively thin outer cladding layer disposed underneath the protective polymer outer coating. Stray light propagating along an inner cladding layer(s) within the fiber will be refracted into the thin outer cladding (by proper selection of refractive index values). The thin dimension of the outer cladding layer allows for the stray light to “leak” into the outer coating in a controlled, gradual manner so as to minimize heating of the coating associated with the presence of stray light. The inventive fiber may also be bent to assist in the movement of stray light into the coating. | 2009-03-12 |
20090067796 | POLYMER OPTICAL WAVEGUIDE AND METHOD FOR MANUFACTURING THE SAME - A polymer optical waveguide includes: an optical waveguide portion that includes a core and a cladding each formed of polymer material; and a conductive line that is installed along the core integrally with the optical waveguide portion, and that has an electrode surface for external connection exposed on a surface different from an end surface of the optical waveguide portion. | 2009-03-12 |
20090067797 | OPTICAL WAVEGUIDE RADIATION CONTROL - An integrated optical planar waveguide chip comprising materials and structures such as substrates, adhesives, capping materials, and waveguide structures which are absorbing at the wavelength of the working radiation. | 2009-03-12 |
20090067798 | Optical waveguide film and manufacturing method thereof - An optical waveguide film includes a film including a clad layer and a core layer covered by the clad layer; and an adhesive layer formed at least on one surface of the film, having a rough structured surface having an arithmetic mean surface roughness of 0.1 to 2.0 μm, and having a storage modulus at 25° C. of 10 to 100 MPa obtained by dynamic viscoelastic measurement in torsion mode with a frequency of 1 Hz. | 2009-03-12 |
20090067799 | Optical Device and Optical Device Manufacturing Method - Scattering loss at a reflecting or transmitting end face of an optical unit is reduced, and the end face is easily manufactured at low cost. An optical waveguide cable ( | 2009-03-12 |
20090067800 | Fiber optic adapter module and tray - A fiber optic adapter module and tray. The fiber optic adapter module supports fiber optic adapters for fiber optic connections. The fiber optic adapter module may be included on an extendible tray portion of a fiber optic equipment tray and selectively configured to be tilted when extended for providing enhanced access to the fiber optic adapter module. In one embodiment, an adapter module panel of the fiber optic adapter module that supports fiber optic adapters contains at least two forward facing panel surfaces angled to one another to provide more surface area for supporting a higher density of fiber optic adapters and/or for neat routing and organizing of fiber optic connections. One or more fourth flared panel surfaces may also be included on an end(s) of the adapter module panel to provide sufficient interior space for fiber optic connections adjacent or proximate to sides of the fiber optic equipment tray. | 2009-03-12 |
20090067801 | Cable Manager including nestable radius limiter - A cable radius limiter having a radius limiting surface that prevents damage to cables due to excessive bending. The cable radius limiter includes mounting structure and cable retaining structure arranged such that the limiter can be operably oriented and mounted to a mounting bracket in both a first mounting orientation and a second mounting orientation. Two radius limiters can be mounted together to form a cable spool. | 2009-03-12 |
20090067802 | DISTRIBUTOR SYSTEM AND METHOD FOR OPTICAL FIBERS - Certain embodiments of a device for coupling fibre optic cables include at least one module equipped with at least one retaining unit for retaining at least two cassettes. Each cassette, which is configured with at least one coupling element, is pivotally and removeably attached to the retaining unit. Each cassette is configured to receive and store an excess length of the first optical fiber from the receiving structure. | 2009-03-12 |
20090067803 | Overhead cable termination arrangement - A system including an overhead cable pathway structure and an adapter panel or cable termination device that mounts overhead to the cable pathway structure. The cable termination device including a plurality of adapters and a cable pathway exit having a curved surface that guides cables exiting from the overhead cable pathway structure to the adapters. | 2009-03-12 |
20090067804 | Splitting Apparatus and Manipulating Apparatus for Optical Waveguides - A splitting apparatus and manipulating apparatus for optical waveguides is disclosed. The splitting apparatus has a bottom plate, a first side and a second side. At least one bundled core guide device, which is used for guiding and/or restraining a plurality of bundled cores, can be inserted into a first bushing region of a splitting apparatus on the first side in such a way that the bundled core guide device latches detachably with ribs and/or the bottom plate of the respective first bushing region. A second bushing region can receive the optical waveguides on the second side, wherein the optical waveguides are individual or loose from the bundled cores. | 2009-03-12 |
20090067805 | Recording and reproducing device - A content recording section records content data, and a play list generating section generates a play list based on the content data recorded in the content recording section. A link information storage section stores link information in which content data identification information is associated with play list identification information. A content list display control section displays a list of content data in a display section, and adds identification information indicating that the play list is stored in a play list storage section to the content data as the base of the play list based on the link information, to display the same on the display section. | 2009-03-12 |
20090067806 | BOOKMARKING IN VIDEOS - A method for achieving uninterrupted interactivity for user watching a video yet clicking on an advertisement is provided. A method for delayed interactivity is provided herein. Delayed interactivity is implemented in the form of delayed insertions. When a user clicks on an object in hypervideo, presentation of or any action on the related information is deferred rather than played immediately. Delayed interactivity also is implemented in the form of video bookmarks. When a user clicks on an actual advertisement, related information is stored, i.e., bookmarked, along with video content. In this way, the user can pursue the related information at a later time and at the user's convenience. | 2009-03-12 |
20090067807 | Signal processing apparatus and method thereof - A signal processing unit includes a feature quantity extracting unit, a segmentalizing unit, a clustering unit, an existence probability function deriving unit, an existence probability function similarity calculating unit, a cluster integrating unit and a cluster information output unit. The signal processing unit classifies the signal feature quantity which characterizes the content signal segmentalized into segments according to the similarity with respect to each other, obtains functions which indicate the existence probabilities for clusters of classified segments, and integrates the clusters whose obtained functions are at the high level of similarity. | 2009-03-12 |
20090067808 | Recording Apparatus and Method, and Recording Medium - A recording apparatus dubs content recorded in a recording medium loaded into a different apparatus connected to the recording apparatus. The apparatus includes a database storing information in which the medium and identifiers are associated with each other, the identifiers specifying already dubbed scenes among scenes that are unit data items, a media-type determining unit that determines whether the medium in the different apparatus is a predetermined type of recording medium in which the content can be recorded in a form in which a unique identifier is added to each of the scenes forming the content, and a dubbing range setting unit that sets a dubbing range by using, as a new scene to be dubbed, a scene different from the already dubbed scenes on the basis of the information when it is determined that the medium in the different apparatus is the predetermined type of recording medium. | 2009-03-12 |
20090067809 | TRANSMITTING AND RECORDING METHOD, REPRODUCING METHOD, AND REPRODUCING APPARATUS OF INFORMATION AND ITS RECORDING MEDIUM - A method of reproducing data from a recording medium, each of the data including reference time information indicating a reference time and including packet data, the method including: reproducing the data from the recording medium; obtaining a difference between respective reference times indicated by the reference time information of the reproduced adjacent data; rearranging the data on a time axis such that a time interval between adjacent data is equal to the obtained reference time difference; and outputting the rearranged data. | 2009-03-12 |
20090067810 | PROGRAM TITLE DISPLAY WITH ANTI-AGING - A method is provided to perform anti-aging techniques in an informational display. An informational display is located on the front bezel of a consumer recording device that displays information related to the content being recorded or played or the operation of the device. To increase the life of the display, displayed text is shifted within the display so that pixel use in the display is more evenly distributed with the pixels in the display. To determine the direction and shape of the shift, real-time calculations of pixel use are made or a simulator is used to compute the probable use of each pixel in the display over a certain period of time. Another anti-aging technique is to dim the display of information after a specified amount of time of display at normal brightness. | 2009-03-12 |
20090067811 | DIGITAL BROADCASTING RECEIVING SYSTEM, DIGITAL BROADCASTING RECEIVER, AND MOBILE COMMUNICATION DEVICE - When the number of requests for recording is more than the number of tuners by the extension of a broadcast time period of a program that has been timer-recorded as a reserved program, recording instruction information relating to the reserved program that is extended is transmitted to a mobile communication device from an information transmitter in a digital broadcasting receiver. In this case, the recording of the reserved program that is extended is started in the mobile communication device, and another reserved program is recorded by a program recorder in the digital broadcasting receiver. Further, when the number of requests for recording is more than the number of tuners by timer-recording other program or programs within the broadcast time period of the reserved program, recording instruction information relating to the one reserved program is transmitted to the mobile communication device from an information transmitter in the digital broadcasting receiver. In this case, the recording of the one reserved program is started in the mobile communication device, and the other reserved program is recorded by a program recorder in the digital broadcasting receiver. | 2009-03-12 |
20090067812 | Methods of playing/recording moving picture using caption search and image processing apparatuses employing the method - Provided are image processing methods and apparatuses for playing/recording a moving picture using caption search, which are capable of easily playing and recording the moving picture from a desired location by searching through captions of the moving picture. The method searches for a caption corresponding to a search key word among captions of the moving picture based on the search key word, displays a search-result list, and records at least one item included in the displayed search-result list according to a selected recording mode. Accordingly, a desired location of the moving picture can be played and/or recorded through caption search. Because the moving picture can be played from a predetermined location using caption search and a user's voice can be recorded and output, efficient foreign-language learning may be possible. | 2009-03-12 |
20090067813 | Synchronized stream packing - There are provided methods and apparatus for synchronized stream packing of packets that differ contextually between A/V streams in a parallel presentation. A method includes the step of identifying sub-picture/subtitle packets and/or audio packets having arrival timestamps and/or presentation timestamps that match an arrival timestamp and/or a presentation timestamp, respectively, of video packets. The method also includes the step of packing a Video Object Unit (VOBU) and/or a Transport Stream (TS) with the identified sub-picture/subtitle and audio packets and the video packets having the matching timestamps. | 2009-03-12 |
20090067814 | Recording Device - A television video recorder apparatus is provided which is capable of generating a moving picture file reproducible in user's intended video quality and volume on a mobile terminal apparatus. The television video recorder apparatus extracts encoding condition information from a memory card in which a first moving picture file encoded under predetermined encoding conditions and having the encoding conditions is stored, and stores the extracted encoding condition information in a rewritable ROM. Next, the television video recorder apparatus sets the encoding conditions on the basis of the encoding condition information stored in the rewritable ROM, generates a second moving picture file by encoding a video signal and an audio signal to be recorded in accordance with the set encoding conditions, and stores the generated second moving picture file in the memory card. | 2009-03-12 |
20090067815 | Image playback apparatus, image recording apparatus, image playback method, and image recording method - An image playback apparatus includes an image acquisition unit configured to acquire image content including still images and movies and photographing information involved in photographing a subject to create the image content, an image classifying unit configured to classify the image content into a plurality of image groups on the basis of the photographing information, and an image playback unit configured to organize all still images belonging to one of the image groups into a still-image slideshow and successively playing back one or a plurality of movies belonging to the one image group and the still-image slideshow. | 2009-03-12 |
20090067816 | Data playing system and method of the same - A data playing system for a video platform and a method of the same are provided. The data playing system for a video platform includes: a rear end information generating unit having an operating interface to provide, edit and generate an announced data; a signal frequency-dividing unit for extracting at least one video signal containing video data therein and the announced data of the rear end information generating unit, and for loading the announced data of the rear end information generating unit into the video signal; and a user end outputting unit for extracting and playing the video signal to represent the announced data of the rear end information generating unit and the video data. | 2009-03-12 |
20090067817 | ERROR RECOVERY METHOD FOR RECORDING AUDIO-VIDEO INTERLEAVED FILE - An error recovery method for recording an audio-video interleaved (AVI) file is provided. The AVI file includes a header chunk and a content chunk. First, the predetermined values of a plurality of recording information are respectively written into a plurality of corresponding fields in the header chunk and the content chunk, wherein the recording information is related to a video/audio length of the AVI file. Next, a multiplexed media data is written into the content chunk for recording the AVI file. After the AVI file recording is finished, the corresponding fields in the header chunk and the content chunk are corrected according to the actual values of the recording information. Thereby, even if the recording process is abnormally terminated, the AVI file can still be normally accessed for it has a complete and legitimate structure. | 2009-03-12 |
20090067818 | Video recording and reproducing system and reading method of video data - A data reading device includes a reading means for reading video data recorded in a video processing device which records and plays back video data and a control means for controlling the reading means so as to read video data from the video processing device by transmitting a reading request of index data to a video writing device which writes the video data to the video processing device when video data whose index data indicating an address of the video data is not recorded in the video processing device from the video processing device, and by designating the address indicated by the index data transmitted from the video writing device. | 2009-03-12 |
20090067819 | Information processing apparatus, recording method, and computer program - There is provided an information processing apparatus which records data in a recording medium including: a recording section which records data in the recording medium; a detecting section which detects continues or fragmented free areas in minimum allocation unit of the recording medium; and a recording control section which controls the recording section so that the recording section sequentially records data in the continuous free areas of the recording medium detected by the detecting section, and at the time point when the recording is completed, the recording section moves an end portion of the recorded data to the fragmented free areas of the recording medium detected by the detecting section so as to be recorded. | 2009-03-12 |
20090067820 | SYSTEM AND METHOD FOR SUPPLYING SUPPLEMENTAL AUDIO INFORMATION FOR BROADCAST TELEVISION PROGRAMS - A method, computer readable medium and an apparatus for providing supplemental information related to a character featured on a broadcast television program, wherein the supplemental information is not broadcast along with the broadcast television program. A viewer can request specific supplemental information associated with the broadcast television program through a telephone or electronic network interface. In some embodiments, a service controller transmits the requested supplemental information such that an audio component of the supplemental information does not conflict with the audio component of the broadcast television program. | 2009-03-12 |
20090067821 | METHOD FOR RECORDING NAVIGATION INFORMATION ON A RECORDING MEDIUM - The present invention records A/V data and navigation information in a first format such as DVD-Video format when a disk apparatus, e.g., a DVD recorder conducts data recording operation. During the recording operation, video object unit search information ‘VOBU_SRI’ among data search information ‘DSI’ contained in the navigation information is recorded in a second format such as DVD+R or DVD+RW format, thereby reducing size of the navigation information to be recorded on an optical disk. | 2009-03-12 |
20090067822 | Method and apparatus for searching recordable discs in a disc library for available recording space - An audio/video recording apparatus stores and provides information regarding audio/video recording medium, such as recordable discs, recorded by the audio/video recording apparatus including disc number, disc name, title of audio/video content stored on the disc, and empty contiguous spaces available on the disc for additional recording. The present apparatus allows a user to look up and view such information about a disc even when the disc is not currently inserted or available by the apparatus. On-screen searching of all disc information stored to the disc library for a specified amount of space available for recording given a desired recording quality, is also provided. The present invention eliminates the need for a user to review blocks of contiguous, available space on a disc-by-disc basis to determine whether there is enough space to fit a desired recording. | 2009-03-12 |
20090067823 | HEAT TREATMENT APPARATUS HEATING SUBSTRATE BY IRRADIATION WITH LIGHT - A capacitor, a coil, a flash lamp, and a switching element such as an IGBT are connected in series. A controller outputs a pulse signal to the gate of the switching element. A waveform setter sets the waveform of the pulse signal, based on the contents of input from an input unit. With electrical charge accumulated in the capacitor, a pulse signal is output to the gate of the switching element so that the flash lamp emits light intermittently. A change in the waveform of the pulse signal applied to the switching element will change the waveform of current flowing through the flash lamp and, accordingly, the form of light emission, thereby resulting in a change in the temperature profile for a semiconductor wafer. | 2009-03-12 |
20090067824 | Water heater Module - A water heater module includes a heating member for generating heat source, an intermediate tube receiving the heating member therein and having plural convection holes for water to flow into or out of the intermediate tube, and an outer tube fitted on the intermediate tube and having a water intake and a water outlet to be respectively connected with a water outlet and a water intake of another module. The water heater module has a simple structure and is able to quickly heat cold water into hot water, and when hot water forms, pressure will increase to speed up the flowing rate of the hot water for quickly supplying a user with hot water. After hot water is heated one by one in plural modules combined together, the temperature will increase, and hence electric power of the module can be adjusted to economize electric energy of the water heater. | 2009-03-12 |
20090067825 | Portable photo booth - A more fully-portable photo booth that is fully-collapsible into a relatively small, portable package that can be repeatedly moved, set up and taken down by a single person. | 2009-03-12 |
20090067826 | IMAGING APPARATUS - An imaging apparatus whose posture is easily adjustable is provided. The imaging apparatus is configured to include an inclination detector detecting a degree of inclination of one of the imaging apparatus and an image captured by the imaging apparatus relative to a horizontal direction orthogonal to a direction of gravity; a display unit; a first inclination indicator unit allowing the display unit to display an indicator to indicate the degree of inclination according to a detection result from the inclination detector; a second inclination indicator unit notifying via sound according to a detection result from the inclination detector that the degree of inclination is over a predetermined value; and a selector unit allowing at least one of the first and second inclination indicator units to operate. | 2009-03-12 |
20090067827 | MOBILE DEVICE - A mobile device includes a camera module and a magnetism generating part that is different from the camera module. The camera module includes: a movable portion that corrects camera shake; a magnetism detecting element that detects a position of the movable portion. when the camera module is in a photographing state, the magnetism generating part is arranged at a position distant from the magnetism detecting element by at least the distance of D mm or more, where | 2009-03-12 |
20090067828 | IMAGING DEVICE AND IN-FOCUS CONTROL METHOD - An imaging device includes an imaging unit that obtains an image signal relating to a subject, a driving unit that drives a focus lens, a first detecting unit that performs focus detection based on a contrast detection method to detect an in-focus position of the focus lens, a second detecting unit that performs focus detection based on a phase difference detection method, while the focus lens is being driven toward the in-focus position, to detect a provisional in-focus position of the focus lens, and an in-focus control unit that controls the driving unit to drive the focus lens to pass through the provisional in-focus position and then return to the in-focus position. Focus detection information is obtained at least for a given range of positions, and is stored in a predetermined storage unit. The in-focus position is detected based on the stored focus detection information. | 2009-03-12 |
20090067829 | METHOD AND DEVICE FOR DAMPING LENS VIBRATION - In a method for reducing lens vibration in an image capture device, a lens movement requirement is broken up into N smaller lens move steps, and the lens is moved a first of the N smaller steps. A wait time is inserted after completing the first of the N smaller steps, and then the moving and inserting steps are repeated until the remaining N smaller move steps have been completed. The image capture device includes a voice coil motor for moving the lens under control of a controller in accordance with the lens movement requirement, which reflects a determined lens position. The voice coil motor includes springs which impart vibration to the lens during lens movement. The vibration imparted by the springs to the lens is thus actively dampened during the lens movement to the determined lens position. | 2009-03-12 |
20090067830 | COMPOUND EYE-CAMERA MODULE - A lens module ( | 2009-03-12 |
20090067831 | Camera system and method for controlling the same - An automatic-lens-connection-type camera system, which detects insertion of a lens unit into a mount part and automatically screws a mount connector to connect the lens unit with the mount part, and a method for controlling the camera system. The camera system includes a body, a lens module mounted to be attachable to and detachable from the body, a lens module insertion part mounted on a surface of the lens module that faces the body, and a mount part for detecting insertion of the lens module into the body to mount the lens module insertion part on the body. | 2009-03-12 |
20090067832 | Method and Apparatus for Verifying Signaling Values in an Optical Distribution Network - An apparatus and a method for verifying optical system performance using a signaling value test are disclosed. After instructing the first optical interface device and the second optical interface device to enter a verification mode, the first optical interface device sends first verification data to the second optical interface device via an optical communications network. In one embodiment, the first optical interface device is an optical line termination (“OLT”) and the second optical interface device is an optical network terminal (“ONT”). Upon composing the first reply message in response to content received by the second optical interface in accordance with the first verification data, the second optical interface device forwards the first reply message to the first optical interface device. | 2009-03-12 |
20090067833 | METHOD AND ARRANGEMENT FOR TRANSMITTING AN OPTICAL OFDM-SIGNAL - From an real valued OFDM signal (S | 2009-03-12 |
20090067834 | GMPLS Fast Re-route for OADM and AUX 10Mbps Support - Embodiments of the present invention provide a GMPLS fast re-route of packets within a network using a multicast address and a table comprising a list of alias IP addresses. According to various embodiments of the invention an alternate data path from a source node to a destination node allows a packet to traverse to the destination node without IP forwarding techniques being applied. In other words, a tunneling effect from a source node to a destination node allows other nodes in the network to ignore the packet and only read the multicast address within the header and immediately forward the packet to the destination node. A predetermined set of IP addresses are determined from network topology including all potential paths, for a packet to traverse, to a destination address. | 2009-03-12 |
20090067835 | Method and apparatus for protection switching in passive optical network - Systems and methods for performing protection switching in a passive optical network are provided. When a fiber cut is detected, control and management plane applications are not immediately informed. A rapid re-registration procedure is instigated upon detection of a fiber cut event. This allows multiple optical network units to re-register quickly without restarting control and management applications. | 2009-03-12 |
20090067836 | METHOD, APPARATUS, SYSTEM, AND COMPUTER PROGRAM TO VALIDATE NETWORK ELEMENT INTERFACES FOR FUNCTIONAL TESTING - A method, apparatus, computer program, and system for validating network element interfaces for functional testing. The method is comprised of coupling together at least two main interfaces of a plurality of main interfaces of at least one network element and providing a signal to one of the main interfaces via at least one communication path such that the signal propagates through that main interface to at least one other of the main interfaces coupled thereto, and back to the at least one communication path. By virtue of the method, apparatus, system, and computer program for validating network element interfaces for functional testing, the amount of time necessary to validate network element interfaces during functional testing can be reduced. | 2009-03-12 |
20090067837 | MEANS AND APPARATUS FOR A SCALEABLE CONGESTION FREE SWITCHING SYSTEM WITH INTELLIGENT CONTROL III - A switching system for routing information packets that can simultaneously receive a variety of packet formats. The packet formats include electronic packet transmissions, optical wave division multiplexed data (WDM) with a single frame consisting of a plurality of packets to be sent to a common output line, with each packet traveling on a separate wavelength, WDM packets where the header of an individual packet travels on a wavelength different from the remainder of the packet (i.e. the payload) and the payload either travels on a single wavelength or is subdivided into a plurality of sub-packets with each sub-packet carried on a separate wavelength, and the like. The system includes input devices, a scheduling unit, a switching unit; and variable delay line units. A deconcentrator in the packet switching system creates a minimum gap between packets. | 2009-03-12 |
20090067838 | HIGH PERFORMANCE GIGABIT PASSIVE OPTICAL NETWORK - A device determines a bandwidth demand for traffic provided between a line terminal (LT) and multiple optical network terminals (ONTs), and dynamically tunes, based on the determined bandwidth demand, one or more tunable filters provided in the LT and the multiple ONTs to one of balance the traffic, protect the traffic, or increase available bandwidth for the traffic. | 2009-03-12 |
20090067839 | STORAGE AREA NETWORK EXTENSION OVER PASSIVE OPTICAL NETWORKS USING PARALLEL SIGNAL DETECTION - A storage area network extension, network and method include a storage terminal coupled to a remote node. The remote node is connected to a passive optical network (PON) for transferring data signals in the PON and storage signals to/from the storage terminal by employing subcarrier channels in the PON to enable concurrent bidirectional transfer of the data and the storage signals. A storage area network is coupled to the storage terminal and configured to store and retrieve the storage signals for transfer over the PON. | 2009-03-12 |
20090067840 | Method of providing multi-staged IP filters in a point-to-multipoint environment - Various service providers have different architectures to deliver Internet Protocol Television (IPTV) to their subscribers. Some service providers equipment is based on layer 2 IPTV protocol, and other equipment is based on layer 3 IPTV protocol. Within a Passive Optical Network (PON) environment, there may be multiple service providers that employ different delivery techniques to Optical Network Terminals (ONTs). Example embodiments of the invention accommodate these different delivery mechanisms by supporting layer 2 and layer 3 delivery by dynamically configuring traffic filters as a function of a layer and content of an upstream traffic request. | 2009-03-12 |
20090067841 | FIBER AND WIRE COMMUNICATION SYSTEM - This invention provides a new architecture for a communication system between head-ends and end-users which expands bandwidth and reliability of the communication system. A mux-node receives communication signals from a head-end and forwards the received communication signals to one or more mini-fiber nodes. The connection to the head-end is via a small number of optical fibers and the connections to each of the mini-fiber nodes may be via one or more optical fibers that may provide full duplex communication. The head-end may communicate with the mux-node using digital or digital and analog signals. The mini-fiber nodes may combine the signals received from the head-end with loop-back signals used for local media access control prior to forwarding the signals to the end-users. Upstream data are received by the mini-fiber nodes and transmitted to the mux-node. The mux-node may route upstream communication signals received from the mini-fiber nodes as downstream signals to other mini-fiber nodes also connected to the mux-node without head-end interaction. | 2009-03-12 |
20090067842 | OPTICAL PULSE REGENERATION BASED ON PULSE TEMPORAL SHAPING - An optical pulse regeneration unit comprising means for broadening the temporal width and flattening the center portion of an optical pulse and slicing means for slicing the pulse at a point in time so that in use, the pulse immediately after the slicing means contains only the portions of the pulse which at the slicing means were within a specific temporal width/interval about the point in time. | 2009-03-12 |
20090067843 | Optical Wavelength-Division-Multiplexed (WDM) Comb Generator Using a Single Laser - Apparatus, systems and techniques that use a single laser to generate desired optical WDM comb frequencies. | 2009-03-12 |
20090067844 | TELECOMMUNICATIONS TRANSPORT METHODS AND SYSTEMS FOR EXTENDED REACH LOW DIFFERENTIAL LATENCY - Systems and methods for extended reach low differential latency optical networking with optical amplifiers and dispersion compensation modules configured to minimize latency between transmit and receive paths are provided. Additionally, systems and methods are provided for incorporating absolute time references wherein the relative accuracy of clock time between various servers used in various multi-site enterprises is required. The transport systems and methods are used in conjunction with low differential latency systems. The transport systems and methods provide that the differential latency between transmit and receive directions is maintained within about +/−5 microseconds of the transmit/receive path differential delay requirement in order to perform within the overall parameters of the low differential latency system architecture. | 2009-03-12 |
20090067845 | SIGNAL DISTRIBUTION MODULE FOR A DIRECTIONLESS RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER - The present invention provides a signal distribution module for use in a directionless reconfigurable optical add/drop multiplexer application, including: a multi-cast switch having a plurality of input ports and a plurality of output ports; a plurality of optical amplifiers coupled to the plurality of input ports of the multi-cast switch, wherein the plurality of optical amplifiers form an optical amplifier array; a tunable optical splitter coupled to the plurality of optical amplifiers; and a pump laser coupled to the tunable optical splitter. | 2009-03-12 |
20090067846 | System and Method for Pre-Configuring and Authenticating Data Communication Links - An electronic device includes a data processor and data communication mechanism for: (a) transmitting, via an optical link, configuration and authentication requests/information for a second data communication link to an external device; and (b) transmitting other content data via the separate, second data communication link that is configured using the configuration data transmitted on the optical link. Data communication on the optical link is provided via modulated optical pulses from an illumination light source of the electronic device. The light source is selectively utilized for illuminating a component in the electronic device and for transmitting configuration/authentication data via optical pulses. An optical receiver also receives optically transmitted configuration/acknowledgement data from the external device. | 2009-03-12 |
20090067847 | Remote Control System - A quick selection of a depression key provided with a remote controller is impeded, so that controllable characteristics of the remote controller are deteriorated, and a lifetime of a cell provided on the side of the remote controller is reduced in order to acquire transport motional information. | 2009-03-12 |
20090067848 | LIMITED LIFE TRANSCEIVER - Systems and methods for an optical transceiver module to limit the amount of time the optical transceiver module is allowed to operate. The optical transceiver module includes at least one processor, a persistent memory and a system memory. The persistent memory, which is coupled to the at least one processor, contains microcode. The microcode is loaded from the persistent memory to the system memory and executed by the at least one processor. The executed microcode causes the optical transceiver module to detect the amount of time that the optical transceiver has been operating. The optical transceiver module then determines if the detected amount of operating time is in excess of a predetermined amount of operating time. If the detected operating time is in excess of the predetermined amount of operating time, the optical transceiver module causes itself to become non-operational. The optical transceiver module may then report its operational status. | 2009-03-12 |
20090067849 | Intelligent pluggable optical transceiver - The present invention is to provide an intelligent pluggable transceiver improving an EMI tolerance with a simple mechanism. The optical transceiver of the invention comprises upper and lower housings ( | 2009-03-12 |
20090067851 | MULTI-CHIP SYSTEMS WITH OPTICAL BYPASS - Embodiments of a system that includes an array of single-chip modules (CMs) are described. This array includes a first CM, a second CM coupled to the first CM, and a third CM coupled to the second CM. A given CM, which can be the first CM, the second CM or the third CM, includes a semiconductor die that is configured to communicate data signals with other CMs through electromagnetically coupled proximity communication. These proximity connectors are proximate to a surface of the semiconductor die. Moreover, the first CM and the third CM are configured to optically communicate optical signals with each other via the second CM through an optical signal path. | 2009-03-12 |
20090067852 | Optical modulator and optical transmitter - A reduction in size and cost of an optical modulator is achieved with a simple configuration, while improving the modulation characteristics. An optical modulator modulates light branched by an optical coupler and then couples the light via the optical coupler. The optical coupler is formed in a substrate having electro-optic effects. An optical waveguide is formed in the substrate and, includes a turnback section and ends into which the light branched by the optical coupler is input. A signal electrode is provided in the substrate along the optical waveguide. A modulation signal to modulate the light passing through the optical waveguide is input to the signal electrode. | 2009-03-12 |
20090067853 | Device for transmitting and receiving DVI video over a single fiber optic interconnect - A transmitting device includes a housing, a multichannel transmitter optical subassembly, a microcontroller, and a DVI connector. The housing has only one optical port, where the only one optical port is adapted to receive only one optical fiber. The multichannel transmitter optical subassembly is mechanically associated with the housing. The microcontroller is electrically associated with the multichannel transmitter optical subassembly. The DVI connector is mechanically associated with the housing. The transmitting device is adapted to convert at least four electrical TMDS signals into optical paths that are transmittable over the only one optical fiber. A receiving device is similar to the transmitting device, however, in contrast to the transmitting device, the receiving device includes a multichannel receiver optical subassembly, and wherein the receiving device is adapted to convert multiple colored wavelengths into at least four electrical TMDS signals. | 2009-03-12 |
20090067854 | OPTICAL SPACE COMMUNICATION RECEPTION CIRCUIT, OPTICAL SPACE COMMUNICATION DEVICE, OPTICAL SPACE COMMUNICATION SYSTEM, AND ELECTRONIC DEVICE - An optical space communication reception circuit receives a signal in switched-over communication speed modes and under settings corresponding to the communication speed modes. Receiver sensitivity in the respective communication speed modes is set in advance such that maximum communicable distances in the communication speed modes are substantially equal. By this, it becomes possible, for example, in optical space transmission such as infrared communication and the like to enhance a false operation prevention characteristic against disturbance noise, without decreasing maximum communicable distances. | 2009-03-12 |
20090067855 | IMAGE FORMING APPARATUS AND PRINT MEDIUM SENSING METHOD THEREOF - An image forming apparatus includes a main body having an image forming unit, a medium feeding unit installed in the main body, having a loading plate to load a print medium thereon and to feed the loaded print medium to the image forming unit, a medium sensing unit which comprises an interference unit which operates to correspond with the print medium loaded on the loading plate and the print medium fed by the medium feeding unit and the print medium being in a registration position on a feeding path, and a sensor having a sensing position and sensing a movement of the interference unit, and a controller to determine whether the print medium is loaded on the loading plate and whether the print medium is in the registration position on the feeding path, based on a sensing signal of the sensor. | 2009-03-12 |
20090067856 | Image Forming Apparatus - An embodiment according to the invention is characterized in that a waste toner is delivered to a certain place through a rotation of a stirring member (a paddle) for causing the waste toner to be even and the waste toner thus delivered is detected by means of detecting unit (an optical sensor). | 2009-03-12 |
20090067857 | IMAGE FORMING APPARATUS AND TONE CORRECTION METHOD - A tandem-type color image forming apparatus forms a toner pattern and toner markers on an intermediate transfer member. Tone levels in the toner pattern vary in a sub scanning direction, and the toner markers which are a same color with the tone pattern each oppose, in a main scanning direction, a different one of the tone level portions in the toner pattern, each tone level portion representing a different one of the tone levels. Positions of the toner markers in the sub scanning direction are determined to detect densities in the toner pattern corresponding to the determined positions. Tone of image data is corrected in an image formation based on a relationship between the densities and the tone levels corresponding to the determined positions. | 2009-03-12 |
20090067858 | COLOR IMAGE FORMATION APPARATUS - In a color misalignment detection method, an alignment pattern is obtained by designating a plurality of lines having line width and line intervals formed by superposing a line image of a black color as a reference color and a line image of a color other than the reference color, for example, a cyan line image, as one patch, and continuously forming these patches by shifting the relative position between the line images of the two colors by an optional quantity. An alignment pattern detection sensor has a light emitting diode and a photodiode. These elements are arranged along the scanning direction of the alignment pattern such that the photodiode can only receive diffused reflected light of reflected light from the alignment pattern. A spot shape of the light emitting diode and a spot shape of the photodiode are both formed in a square shape. | 2009-03-12 |
20090067859 | Method To Improve Data Collection Accuracy By Improved Windowing In A Toner Density Control System - A method of compensating for mechanical and magnification errors affecting toner density control in an image forming device is described herein. The method includes directing light towards a toner test surface, sensing the resulting reflections, and buffering the density data corresponding to the sensed reflections during a predetermined test window. The method may compensate for mechanical and magnification errors associated with the toner test pattern by processing the buffered density data to adjust the location of the data collection windows corresponding to the toner test patterns. For example, the buffered density data may be processed to detect first and second boundary patterns disposed on the toner test surface within the test window, determine a time differential between the first and second boundary patterns, and adjust the location of the data collection windows based on the determined time differential and a nominal expected time differential. | 2009-03-12 |
20090067860 | IMAGE FORMING APPARATUS, TONE CORRECTION METHOD, AND COMPUTER-READABLE RECORDING MEDIUM RECORDED WITH TONE CORRECTION PROGRAM - The present invention aims to provide an image forming apparatus and the like that perform a highly-accurate tone correction in a relatively short time and includes the following: a pattern former, with use of each image forming unit, on a sheet, forming tone patches in the main or sub scanning direction ( | 2009-03-12 |
20090067861 | SHEET TRANSPORT APPARATUS, DOCUMENT READING APPARATUS, AND IMAGE FORMING APPARATUS - One embodiment of a sheet transport apparatus is provided with a sheet transport path for transporting a sheet in a predetermined transport direction, a reflective type optical sensor in which light irradiated from a light-emitting portion to a transported sheet is reflected and reflected light from the sheet is received by a light-receiving portion to detect a presence/absence of the sheet, an irradiated light adjustment portion that adjusts a light amount of the light-emitting portion, a non-image region locating portion that detects an image state on a sheet to locate a non-image region of the sheet, and a control portion that adjusts the light amount of the light-emitting portion by controlling the irradiated light adjustment portion based on a measured value on the non-image region located by the non-image region locating portion. | 2009-03-12 |
20090067862 | IMAGE FORMING APPARATUS AND SHUTTER CONTROL METHOD - According to an aspect of the invention, a control method for an exposure shutter of an image forming apparatus includes, opening the shutter only to a slit glass for monochrome when monochrome printing is performed, and opening the shutter to slit glasses for monochrome and color when color printing is performed. | 2009-03-12 |
20090067863 | IMAGE FORMING APPARATUS, CONTROL METHOD THEREFOR, PROGRAM, AND STORAGE MEDIUM - An image forming apparatus equipped with an image forming unit capable of image formation using color toner and transparent toner includes, a determining unit adapted to determine whether each pixel of image data belongs to an image region or a text region; a control unit adapted to control the image forming unit by switching between transfer of a toner image to the image region and transfer of a toner image to the text region; a fixing unit adapted to fix the toner image formed on recording material; and a transport unit adapted to discharge the recording material on which the toner image is fixed or re-feed the recording material to the image forming unit. | 2009-03-12 |
20090067864 | IMAGE FORMING APPARATUS - An image forming apparatus includes a rotatable image bearing member and a toner image former for forming a toner image on the image bearing member, wherein the toner image former is capable of forming a toner image having a predetermined width measured in a direction of a rotational axis of the image bearing member at each of different positions, a transfer member, pressed against the image bearing member, for forming a transfer portion for transferring the toner image onto the transfer material from the image bearing member, a current detector for detecting a current flowing through the transfer member, a calculating portion for calculating a resistance difference in the transfer member with respect to the axial direction, on the basis of outputs of the current detector, for the toner images at the different positions when the toner images pass through the transfer portion, and an output portion for outputting an abnormality on the basis of an output of the calculating portion. | 2009-03-12 |
20090067865 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a pattern determination information calculator for calculating printing pattern determination information on an original; a pressure changer for changing the pressure of a pressing member of a cleaning device; and a controller for varying the pressing force of the pressing member by controlling the pressure changer in accordance with the printing pattern determination information calculated by the pattern determination information calculator. The controller controls the contact pressure driver of the pressing roller so as to weaken the pressing force when that controller determines that printing paper printed with high density patterns or high coverage patterns will be passed through. | 2009-03-12 |
20090067866 | IMAGE FORMING APPARATUS AND FIXING CONTROL METHOD - A disclosed image forming apparatus includes a fixing unit configured to fix an unfixed image on a recording medium by bringing a first roller and a second roller in pressure-contact with each other; a contacting region detecting unit configured to detect a contacting region in which the first roller and the second roller are contacting each other, according to rotation of the first roller; a storing unit configured to store a contacting time in the contacting region detected by the contacting region detecting unit; and a rotation control unit configured to control the rotation of the first roller in such a manner as to change the contacting region in which the first roller and the second roller contact each other, based on the contacting time stored by the storing unit. | 2009-03-12 |
20090067867 | Power supply device, fixing device and image forming apparatus - A disclosed power supply device includes a voltage resonance circuit configured to include an output coil for boosting an input direct-current voltage to a predetermined voltage and outputting the boosted voltage to a load and also include a capacitor connected to the output coil; and a switching unit configured to be turned ON/OFF so as to control electric current supply to the output coil. An auxiliary resonance circuit is connected in parallel with the output coil so as to reduce switching losses without using a power control circuit for switching control. | 2009-03-12 |
20090067868 | Temperature control unit and image forming apparatus including same - A temperature control unit that maintains a temperature of a fixing liquid includes a container, some or all of which is formed of a heat conservation member, configured to store the fixing liquid that dissolves or causes a toner to swell, a heater provided to an image forming apparatus for heating the container through the heat conservation member, a temperature sensor for detecting a temperature of the fixing liquid in the container, a controller for controlling an amount of heat that is transferred from the heater to the heat conservation member of the container based on a detection result provided by the temperature sensor, and a fixing liquid applicator for supplying the fixing liquid in the container to a toner on a recording medium so as to fix the toner onto the recording medium. The image forming apparatus includes the temperature control unit. | 2009-03-12 |
20090067869 | IMAGE HEATING APPARATUS - An image heating apparatus for allowing a surface of a heated toner image borne on a recording material to be glossed without generating a batter in the heated toner image is provided. In an image heating apparatus ( | 2009-03-12 |
20090067870 | IMAGE FORMING APPARATUS AND CONTROL METHOD OF THE SAME - A test pattern image stored in advance is printed on a paper sheet. When the printed test pattern image is scanned by a scanning unit, a difference between the density of the scanned test pattern image and absolute density set in advance is detected. An exposure amount of a process unit is adjusted according to the detected density difference. | 2009-03-12 |
20090067871 | SURFACE POTENTIAL DETECTING DEVICE OF IMAGE FORMING APPARATUS - In an embodiment of the invention, a metal shield case and a metal shutter are electrically conducted to each other by using a contact part and are made to have the same potential. By this, the shutter does not electrically exert a bad influence on detection accuracy of a surface potential sensor, the closing performance of the shutter is improved, and the miniaturization or reduction in cost of the surface potential sensor can be realized. | 2009-03-12 |
20090067872 | DEVELOPING DEVICE, MEMORY UNIT THEREOF, AND IMAGE FORMING APPARATUS - A developing device to prevent damage of a memory unit and poor connection between terminals of the memory unit and a main body of an image forming apparatus, by improving a mounting position of the memory unit. The developing device is removably mounted to a main body of the image forming apparatus. The memory unit includes terminals exposed through a rear side of the developing device. The memory unit is disposed closer to a power reception unit formed at one side of the developing device than to a driving force reception unit formed at an other side of the developing device. | 2009-03-12 |
20090067873 | Disposed Toner Collecting Device of Image Forming Apparatus - According to an embodiment of the invention, a sliding plate that slides in contact with an inner wall of a disposed toner duct is oscillated by using rotation of a disposed toner collection auger. As the sliding plate is oscillated, disposed toner falling and fed through the disposed toner duct is oscillated. The disposed toner adhering to the inner wall of the disposed toner duct is removed by sliding of both lateral parts of the sliding plate in contact with the inner wall. | 2009-03-12 |
20090067874 | Charging device, process cartridge, image forming apparatus, and cleaning member - A charging device includes a charging member that gives an electric charge to an object to be charged by contacting the object, and a cleaning member that cleans the charging member by contacting the charging member. The cleaning member includes a base formed of a polymer material having a foamed structure and a covering film. The covering film is formed of a mixture of a resin having a crosslinked structure and electroconductive particles and covers, near a surface of the base, a structural wall of the formed structure. | 2009-03-12 |
20090067875 | CHARGING DEVICE IN IMAGE FORMING APPARATUS - According to an embodiment of the invention, cleaning sheets that contact and clean a needle electrode are caused to meander along the shape of a slit formed on a guide plate of a needle electrode charger case. Thus, a contact width on the cleaning sheets with the needle electrode is expanded. Unbalanced wear at particular positions on the cleaning sheets is prevented and the life of the cleaning sheets is extended. | 2009-03-12 |
20090067876 | IMAGE FORMING METHOD, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - An image forming method, including charging the surface of an image bearer with a charger; irradiating the charged surface of the image bearer to form a latent image; developing the latent image with a toner to form a visible toner image; transferring the toner image onto a transfer medium directly or through an intermediate transferer; removing the toner remaining on the surface of the image bearer with a cleaning blade; applying a lubricant to the surface of the image bearer; and fixing the toner image on the transfer medium, wherein the toner is a water-granulated toner having the following properties (1) to (4): | 2009-03-12 |
20090067877 | DEVELOPING DEVICE, PROCESS CARTRIDGE INCLUDING DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS INCLUDING PROCESS CARTRIDGE - A developing device includes a developer bearing member and a shock absorbing member. The developer bearing member includes a developing region across from an image bearing member including an image forming region, and a center portion including an image creating region corresponding to the image forming region on the image bearing member. The developer bearing member is configured to bear the developer on the surface thereof and transport the developer to the developing region while moving the surface. The shock absorbing member is provided to each of both ends of the developer bearing member in a width direction thereof across from the image bearing member. Each of both ends of the developer bearing member is provided outside the center portion of the developer bearing member, and an outer diameter of each of both ends of the developer bearing member is substantially smaller than an outer diameter of the center portion. | 2009-03-12 |
20090067878 | DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A developing device, process cartridge and image forming apparatus of a premix developing system, with which developer splashed by the transport member is not discharged from the device, fluctuations of the amount of developer discharged to the outside are not produced, and the output image quality is stable. This developing device is provided with a pocket part, which is installed in a depressed manner facing the outside in relation to the transport route formed by the transport member, and into and out of which part of the developer transported in the transport route flows. This pocket part is provided with a discharge port for discharging developer to outside the device when the surface of the developer flowing into the pocket part exceeds a specified height. | 2009-03-12 |
20090067879 | DEVELOPING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A developing device for a toner powder cloud development system, which can achieve high image quality and can be made compact. The developing device has a two-component development unit, a toner carrier, and an alternating current power source. The toner carrier, which is arranged opposing a latent image carrier, has a plurality of electrodes disposed in a line in a prescribed direction on the surface thereof, and mutually insulated. The alternating current power source supplies a voltage such that an electric field across the plurality of electrodes is temporally switched. The inter-electrode electric field causes the toner being carried on the surface of the toner carrier to carry out hopping, thereby forming a toner powder cloud and carrying out development. The movement speed of the latent image carrier and the linear velocity of the toner carrier are set at approximately equivalent speeds. | 2009-03-12 |
20090067880 | CHARGING MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - A charging member having a support, a conductive elastic layer formed on the support and a surface layer formed on the conductive elastic layer, wherein the surface layer contains a polysiloxane having an acrylic group and an oxyalkylene group. This provides a charging member to the surface of which toners and external additives used in the toners can not easily cling even because of repeated use over a long period of time and which therefore enables charging and image reproduction which are stable over a long period of time, even when used in the DC contact charging method; and further provides a process cartridge and an electrophotographic apparatus which have such a charging member. | 2009-03-12 |
20090067881 | IMAGE FORMING APPARATUS, TRANSFER UNIT THEREOF, AND METHOD OF SHIFTING TRANSFER ROLLERS THEREOF - An image forming apparatus according to the present invention includes a first photoconductive member used during monochrome printing; a plurality of second photoconductive members used together with the first photoconductive member during full-color printing and arranged in parallel to the first photoconductive member; a transfer belt that forms a loop-like moving path; a first transfer roller and a plurality of second transfer rollers provided on an inner peripheral side of the transfer belt; and a link member that shifts, during the full-color printing, the second transfer rollers to positions where the second transfer rollers are brought into press contact with the respective second photoconductive members via the transfer belt and shifts, during the monochrome printing, the second transfer rollers to positions where respective separations between an inner peripheral surface of the transfer belt and the respective second transfer rollers are substantially identical. | 2009-03-12 |
20090067882 | IMAGE FORMING APPARATUS, BEAM SCANNING APPARATUS THEREOF, AND METHOD OF BEAM SCANNING THEREOF - Provided is an image forming apparatus including: a photoconductor; a light including main exposure devices and redundant exposure devices; a beam scanning unit arranging main laser beam spots such that the they are separated by an image-forming unit distance, arranging redundant laser beam spots such that they are separated by the image-forming unit distance subsequently to the main laser beam spots, and simultaneously scan the main and redundant laser beam spots in the main scanning direction; and a device selection unit selecting exposure devices used in one-time scanning from the main and redundant exposure devices, wherein, when an image continuous in the sub scanning direction are exposed, the device selection unit selects the exposure devices such that the number of pairs of pixels which are adjacent and exposed by different scannings is equalized without depending on writing start positions of the image in the sub scanning direction. | 2009-03-12 |
20090067883 | POWER TRANSMITTING UNIT, AND DEVELOPING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME - An image forming apparatus includes a main body in which a photosensitive medium is disposed, and a developing device detachably disposed at the main body to develop electrostatic latent images on the photosensitive medium. The developing device includes a developing member disposed in a developing unit to supply developing agent to the photosensitive medium, a driven member to receive power from a driving member, and to allow the developing member to rotate, and a power transmitting member to connect the developing member and the driven member, and to absorb a movement of a normal force direction of a driving force generated between the driving member and the driven member. | 2009-03-12 |
20090067884 | TONER SUPPLIER, DEVELOPMENT UNIT, AND IMAGE FORMING APPARATUS - A toner supplier according to the present invention includes a toner stirrer. The toner stirrer includes a shaft, an auxiliary member, and a fixture. The melting point of the auxiliary member is higher than the melting points of the shaft and fixture. The shaft and fixture are welded to each other with the auxiliary member interposed between them. | 2009-03-12 |
20090067885 | CONTROLLING APPARATUS FOR CLUTCH - A controlling apparatus for controlling at least a clutch includes: a first actuating module; a shaft, coupled to the first actuating module, for driving the first actuating module to rotate; and a controlling circuit, coupled to the shaft, for controlling a rotation of the shaft. When the shaft rotates to a first position, the first actuating module is in contact with the first clutch so as to stop the first clutch from rotating. And when the shaft rotates to a second position, the first actuating module is not in contact with the first clutch, so as to allow the first clutch to rotate. | 2009-03-12 |
20090067886 | DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A developing device, process cartridge and image forming apparatus of a premix developing system, with which developer splashed by the transport member is not discharged from the discharge port, fluctuations of the amount of developer discharged to the outside are not produced, and the output image quality is stable. The transport member comprises, in a part thereof in the longitudinal direction, a cutaway region where the screw part is not formed. The discharge port faces the cutaway region, and is formed such that the longitudinal length thereof is smaller than that of the cutaway region. A wall part, which protrudes toward the interior of the transport route from a partition wall where the discharge port is formed, is then installed upstream of the transport route in relation to the discharge port and within the range of the cutaway region. | 2009-03-12 |
20090067887 | IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND DEVELOPING DEVICE - An image forming apparatus includes a plurality of image carriers, a latent image forming unit, and a plurality of developing units. Each of the developing unit forms an image to have a color difference of equal to or less than about five with respect to an initial unicolor image formed by using a toner not containing a reversely-transferred toner of another color when a toner contained in a toner container is consumed by about 70%. | 2009-03-12 |