51st week of 2009 patent applcation highlights part 32 |
Patent application number | Title | Published |
20090310920 | INTEGRATED OPTICAL SUB-ASSEMBLY - Disclosed herein is an integrated optical sub-assembly for a diplexer, which can adopt a low-price small aperture isolator by disposing an isolator closer to a ferrule, such that the isolator may be distanced from a laser diode, and so the total cost can be reduced and the construction can be simplified; and an integrated optical sub-assembly for a triplexer, which has simplified construction for reducing the manufacturing costs, and whose exterior dimension can be reduced and the manufacturing can be easier by adopting a ball lens for narrowing the beam width. | 2009-12-17 |
20090310921 | Optical transmission apparatus to which optical cable is connected - An optical transmission apparatus includes a wiring board, an electronic device mounted on the wiring board, a connection part that mechanically connects the electronic device and the wiring board to each other in such a manner that the electronic device and the wiring board face each other at a certain distance and electrically connects the electronic device and the wiring board to each other, an optical cable connector that is in contact with the electronic device, and an optical cable connected to the optical cable connector. The optical cable connector has a part that is inserted between the electronic device and the wiring board. A signal is transmitted between the part and the electronic device. | 2009-12-17 |
20090310922 | OPTICAL CONNECTION STRUCTURE BETWEEN OPTICAL BACKPLANE AND CIRCUIT SUBSTRATE - Information processing equipment includes a photoelectric conversion module disposed on a circuit substrate, a first optical connector connected to the photoelectric conversion module through a plurality of first optical fibers and disposed to an edge portion of the circuit substrate, and a second optical connector disposed on an optical backplane and optically connected to the first optical connector. The disposing direction of the optical fibers in the photoelectric conversion module is in nonparallel with the main surface of the circuit substrate and the disposing direction of the optical fibers in the first optical connector and the disposing direction of the optical fibers in the second optical connector are in nonparallel with the main surface of the circuit substrate. | 2009-12-17 |
20090310923 | TELECOMMUNICATIONS CONNECTOR PROTECTIVE DEVICE - A fiber optic connector assembly includes a fiber optic connector mounted to a fiber optic cable having a ferrule with an end face terminating an optical fiber. The fiber optic cable is terminated with the fiber optic connector in a clean environment protected against airborne contaminants. A seal is placed about the ferrule within the clean environment to protect the polished end face of the ferrule including the end of the optical fiber against airborne contaminants. The seal is removable to make a fiber optic communications linkage without cleaning the end face of the optical ferrule. | 2009-12-17 |
20090310924 | Attachment Structure Allowing Movement and Protection of a Tether of a Cable Assembly - A cable assembly comprising a fiber optic cable and one or more attachment points to allow one or more tethers to optically connect to optical fibers within the cable. The cable assembly may be used as a drop cable for extending optical connections to a plurality of points. An attachment structure is provided for maintaining the tether to the cable to prevent damage to the tether. The attachment structure provides a loose attachment to allow the tether to move relative to the distribution cable, so the tether can move in a generally translational movement, is able to slightly twist, and to have limited lateral movement during coiling, installation, and removal of the cable assembly. This loose attachment structure may prevent damage to the tether due to forces being placed on the cable, such as during coiling or uncoiling of the cable. In one exemplary embodiment, the attachment structure is attached to the cable and receives the tether. In another exemplary embodiment, the attachment structure include a protective covering. In another embodiment, both are employed in combination. | 2009-12-17 |
20090310925 | PURE SILICA CORE, HIGH BIREFRINGENCE, SINGLE POLARIZATION OPTICAL WAVEGUIDE - Methods and apparatus provide for birefringent waveguides suitable for optical systems exhibiting polarization dependence such as interferometer sensors including Sagnac interferometric fiber optic gyroscopes (IFOG). The waveguides, for some embodiments, may offer single polarization performance over lengths of about a kilometer or more due to polarization dependent attenuation. According to some embodiments, the waveguides incorporate a pure silica core for resistance to radiation-induced attenuation (RIA). | 2009-12-17 |
20090310926 | Zero Index Material Omnireflectors and Waveguides - We have shown that a single layer of a 3D Zero Index Material (ZIM) has omnidirectional reflection properties. In the range between the electric plasma frequency and the magnetic plasma frequency, ZIM reflect radiation for all angles of incidence and polarization with reflectivities of ˜99%. In addition, with increasing angles of incidence, the reflecting band does not shift in frequency but actually widens. The operational bandwidth can be 100% or greater by increasing the separation between the electric and magnetic plasma frequencies. We have also shown that in the spectral region that allows the omnidirectional gap, ZIM can be used as the cladding of hollow waveguides with better performance than traditional hollow waveguides. | 2009-12-17 |
20090310927 | OPEN ARCHITECTURE FIBER OPTIC TRAY - In one embodiment a fiber tray include an arrangement of retaining slots configured to receive retaining clips in a variety of different orientations and sizes. Retaining clips may have standardized sizes to correspond with the arrangement of retaining slots and to secure a variety of components to the fiber tray in different locations and orientations. Fiber management means may be provided to guide fiber optic cable from the components in a variety of orientations and locations. The fiber tray may be configured to move between a stowed position within a node housing in which the mounting surface of the tray faces downward and an access position in which the tray faces upward. The tray may be transparent to allow a technician to view the fiber arrangement without moving the tray from the stowed position. | 2009-12-17 |
20090310928 | Universal cable bracket - A universal cable bracket for strain relieving a cable in a fiber management system includes a first portion having a cable receiving area defined therein for holding a section of an optic fiber cable with a notch to prevent pistoning; a second portion having a complementary cable receiving area for the section of the optic fiber cable, the second portion being configured to mate with the first portion; a routing window defined in at least one of the first and second portions for routing a fiber of the optic fiber cable therethrough; and a securement assembly being configured to hold the first and second portions together and to secure the section of the optic fiber cable therebetween. | 2009-12-17 |
20090310929 | OPTICAL FIBER INTERCONNECTION APPARATUS - A fiber optic interconnection apparatus includes a chassis; and at least one splice shelf pivotally mounted within the chassis. The splice shelf is pivotally movable from a stowed position within the chassis to an accessed position where the splice shelf is positioned at least partially outside the chassis. The splice shelf includes a splice tray support pivotally connected to the chassis and a splice tray that removably mounts to the splice tray support. The splice tray includes a tray body to which fiber optic adapters are mounted. The splice tray also includes a splice sleeve holder mounted to the tray body. | 2009-12-17 |
20090310930 | DATA PROCESSING APPARATUS, DATA PROCESSING METHOD, AND COMPUTER PROGRAM - Non-destructive editing of a movie stream recorded with management information attached thereto according to a predetermined standard format is performed. First, an entry for desired content from among real play lists is added to a virtual play list. In the virtual play list, a playback content editing operation is performed. The process of editing a virtual play list that does not contain content of an entity involves non-destructive editing that does not accompany editing of the content of an entity. In addition, non-destructive editing of a virtual play list only requires the updating of a management information file, and only involves an increase in the used amount of the recording medium by the additional amount of the management information even if a playback section is copied, thus improving user convenience. | 2009-12-17 |
20090310931 | INFORMATION RECORDING AND REPRODUCING APPARATUS AND METHOD OF RECORDING INFORMATION - A signal processing portion successively accepts frames of images from video information recorded on a recording medium acting as a dubbing source. The medium is one of a hard disc drive and a disc medium. Then, the processing portion recognizes face images from the frames of image, displays the recognized face images on the screen of an LCD, registers face images selected from the displayed face images in response to a manipulation of control buttons, creates thumbnail images from images which are included in the registered face images and which have appeared at ratios in excess of 70%, extracts images including the thumbnail images from the recording medium acting as the dubbing source, and dubs the extracted images onto the recording medium acting as a dubbing destination. | 2009-12-17 |
20090310932 | SYSTEMS AND METHODS FOR IDENTIFYING SCENES IN A VIDEO TO BE EDITED AND FOR PERFORMING PLAYBACK - Various embodiments described herein provide users with a fast and efficient way for identifying scenes for editing purposes. At least one embodiment is a method for editing video. The method comprises receiving a video with scenes to be edited, receiving a scene selection for editing, and partitioning the selected scene into subscenes based on the presence of subtitles, audio analysis, or a combination of both. The method further comprises identifying subscenes of interest, receiving editing commands for the subscenes of interest, and associating the editing commands with the video for future playback, wherein the video is left unmodified. | 2009-12-17 |
20090310933 | Concurrently Displaying Multiple Trick Streams for Video - In accordance with one or more aspects, multiple trick streams corresponding to video content are concurrently displayed in multiple windows. A user selection of one window of the multiple windows is received, and the video content is played back at a location corresponding to a location in a trick stream being played back in the one window when the user selection is received. | 2009-12-17 |
20090310934 | PICTURE INTERDEPENDENCIES SIGNALS IN CONTEXT OF MMCO TO ASSIST STREAM MANIPULATION - In one embodiment, a method that provides tier information corresponding to a picture, the tier information provided in an adaptation field of a transport packet, the transport packet comprising a first byte of a header of a packetized elementary stream (PES) containing the picture; and provides the first transport packet. | 2009-12-17 |
20090310935 | Stereoscopic image generation device and program - In a stereoscopic image generation device according to the invention, an obtaining means | 2009-12-17 |
20090310936 | SYSTEM AND A METHOD FOR DOWNLOADING MULTIMEDIA CONTENT AT A TERMINAL - The present invention concerns a method and system for downloading multimedia content corresponding to a set of program types at a terminal. The method comprises, at a terminal, the steps of filling in a file with a set of program types, sending said file to a server, receiving content corresponding to the file, and receiving said content being regularly updated. Another object of the invention is a method for channel surfing between multimedia content at a terminal. It comprises the steps of downloading content and complementary content according to the previous method, playing the complementary content, receiving a request for channel surfing, checking whether channel surfing is allowed and, if channel surfing is not allowed, continuing playing the complementary content. | 2009-12-17 |
20090310937 | SYSTEMS AND METHODS FOR INTERACTIVE PROGRAM GUIDES WITH PERSONAL VIDEO RECORDING FEATURES - Methods and systems that provide enhanced personal video recorder (“PVR”) and interactive television program guide (“IPG”) functionality are provided. An interactive television application (“application”) may be implemented to provide such functionality. The application may be used to display a list of PVR recordings, to schedule recordings to a PVR, to configure recordings, to view a list of scheduled recordings, to configure recording settings, or to select delete priority settings for recordings. The application may integrate pay-per-view and PVR functionality. The application may send user notifications for changes that are to be made to the recording content of a PVR. Live programming may be buffered by the application using a straight buffers that are created for each new program. Parallel buffers for concurrent programs may be implemented using multiple tuners. Straight buffers may be used in managing or controlling the flow of programming. Television content may be automatically paused when a user is engaged in using the application. Multiple IPGs for different users of a PVR may be implemented. Other PVR related features are also provided. | 2009-12-17 |
20090310938 | METHOD AND APPARATUS FOR RECORDING AND REPRODUCING MOTION PICTURE WITH LOCATION INFORMATION - A method and apparatus for recording and reproducing a motion picture with location information are provided. The method for reproducing the motion picture includes acquiring, when a request for playing a motion picture is detected, current location information of the mobile terminal using location data, retrieving location information included in the motion picture, comparing the current location information and the retrieved location information, and reproducing, when the current location information and the retrieved location information are substantially identical with each other, the motion picture. | 2009-12-17 |
20090310939 | SIMULATION METHOD AND SYSTEM - A simulation method and system. A computing system receives a first audio and/or video data stream. The first audio and/or video data stream includes data associated with a first person. The computing system monitors the first audio and/or video data stream. The computing system identifies emotional attributes comprised by the first audio and/or video data stream. The computing system generates a second audio and/or video data stream associated with the first audio and/or video data stream. The second audio and/or video data stream includes the data without the emotional attributes. The computing system stores the second audio and/or video data stream. | 2009-12-17 |
20090310940 | Reproduction control device, method, and program - A reproduction control device ( | 2009-12-17 |
20090310941 | AUDIO CLOCKING IN VIDEO APPLICATIONS - A method of operating an electronic video device such as a DVD player, wherein video clock signals and audio clock signals are derived from a system clock signal using two phase-lock loops, and these video and audio clock signals are used to process encoded video data and encoded audio data, but digital-to-analog conversion of the audio data stream is controlled by the system clock signal rather than the audio clock signals. By using the system clock signal to control the audio digital-to-analog converter (DAC), the DAC avoids the poor performance issues that can arise from jitter introduced into the audio clock signals by the PLL. The system clock signal may be divided by an integer to generate the sampling clock for the audio DAC. In the illustrative embodiment, the system clock signal has a rate which is not an integer multiple of the sample rate of the audio data stream. | 2009-12-17 |
20090310942 | INFORMATION PROCESSING APPARATUS AND METHOD FOR REPRODUCING VIDEO IMAGE - An information processing apparatus includes: a stream data separating module configured to separate compressed video data and compressed sub-picture data from compressed stream data; a memory configured to store the compressed video data and the compressed sub-picture data; a first conversion processing module configured to up-convert the compressed video data being read out from the memory and decoded into converted video data containing high definition video image; a second conversion processing module configured to up-convert the compressed sub-picture data being read out from the memory and decoded into converted sub-picture data containing high definition sub-picture image; and a rendering module configured to combine the converted video data with the converted sub-picture data to generate combined data. | 2009-12-17 |
20090310943 | METHOD AND APPARATUS FOR PLAYING DATA BETWEEN EXTERNAL DEVICE AND TV SET - An apparatus for recording/reproducing external device data in a broadcast receiver and method thereof are disclosed, by which a broadcast receiver allowed by a certification key is enabled to access a corresponding external device only. The present invention includes a connection checking step of checking a state of a physical connection between an external device and the broadcast receiver, a certification key registration deciding step of deciding whether a reserved certification key is registered, an access allowance deciding step of if the certification key is registered, deciding whether to allow an access to the connected external device by verifying the certification key, and an access allowing step of if the access is allowed, recording/reproducing corresponding data by accessing the connected external device. | 2009-12-17 |
20090310944 | Method and Apparatus for Maximizing "Last Mile" Bandwidth Through Non-Real-Time Personal Video Recorder (PVR) Transmission in Internet Protocol Television (IPTV) Systems - A system includes a head-end encoder configured to stream a television program to an intermediate server ( | 2009-12-17 |
20090310945 | Bulk dispensing machine having video animation and audio - A coin controlled article dispensing machine having a computer controlled video monitor mounted thereon is provided having an operational sequence that is controlled by computer program and presents integrated video and audio animation from recorded media to attract the attention of potential customers and stimulate the sale of an article that is dispensed by the machine responsive to deposit of coins. The recorded video and audio is designed to entertain the customer during purchase and dispensing of the article and stimulate additional sales. A programmable logistics controller provides for synchronized presentation of video and audio and selects a standby sequence playing video and audio from a recorded media and a customer purchase mode playing video and audio from another recorded media. | 2009-12-17 |
20090310946 | BROADCASTING STATION APPARATUS AND RECORDING/REPRODUCING APPARATUS - A broadcasting station apparatus includes a video editor and a TS encoder. The video editor produces a video signal by editing video of a TV program and video of a CM. When substantially the same scenes are arranged before and after the CM in the video signal produced in the video editor, the TS encoder manipulates predetermined data of a TS packet storing information of the same scene (overlap scene) after the CM. In a recording/reproducing apparatus, the TS packet storing the information of the overlap scene is sorted based on the data. The TS packet storing the information of the overlap scene is not decoded in time shift reproduction. | 2009-12-17 |
20090310947 | Apparatus and Method for Processing and Blending Multiple Heterogeneous Video Sources for Video Output - Apparatus and methods for video processing that integrate multiple processing modules that execute methods for simultaneous format conversion, scaling and image blending from a plurality of video sources, resulting in a video output ready for display. The modules use methods that are optimized for integration in pipeline architecture, enabling the processor to increase the number of video input sources while minimizing access to external memory. The processor combines multiple such pipelines, enabling the processor to simultaneously process a plurality of video inputs and combine these inputs into a single video output. The architecture is implemented as a hardware video processing apparatus. | 2009-12-17 |
20090310948 | REGULATING DEVICE FOR REGULATING THE VOLTAGE ON A HIGH-SIDE LOAD - The invention to an electronic control system, controlled by a pulse width-modulated signal (SG) related to earth, for regulating the voltage (Umot) across a high-side load (M), in particular a fan control unit for motor vehicles. The circuit part that converts the pulse width-modulated signal (SG) into the reference input variable (U−) needed for the regulation uses the positive potential of the supply voltage (V | 2009-12-17 |
20090310949 | FAN BLADE HEATING UNIT - A fan blade heating unit including a fan blade designed to be operatively mounted in an electrical ceiling fan for normal rotation with the fan. The fan blade includes a heating element positioned therein for connection to the power source driving the ceiling fan. | 2009-12-17 |
20090310950 | Capillary system with fluidic element - An aerosol generation system having an aerosol generator wherein a liquid formulation is at least partially vaporized in a capillary passage and discharged from the capillary passage to form an aerosol. The aerosol generation system includes a pumping unit adapted to supply a liquid formulation to the aerosol generator; and a fluidic element located between the pumping unit and the capillary passage of the aerosol generator, wherein the fluidic element increases the pressure of the liquid formulation as the liquid formulation enters the capillary passage of the aerosol generator. | 2009-12-17 |
20090310951 | HEAT TRANSFER DEVICE - A device for transferring heat to a fluid with a heat generator comprising an electric resistance inserted in a first pipe integrally connected to a second pipe in which the fluid flows. The second pipe may comprise a steel tube coaxially inserted inside. First and second pipes are obtained inside a single block by means of an extrusion process. | 2009-12-17 |
20090310952 | CAMERA - A camera having a shutter button, a photo sensor array, an anti-shake module controlled by an anti-shake enable signal, and a mechanical shutter. By pressing the shutter button, a first operation and a second operation are provided to trigger an auto-focus enable signal and an image exposure control signal, respectively. The anti-shake enable signal is enabled when the auto-focus enable signal has been triggered and the image exposure control signal is disabled or has just been triggered. The photo sensor array performs image exposure according to the image exposure control signal. The mechanical shutter is disabled and closed after the image exposure control signal is triggered for exposure period. | 2009-12-17 |
20090310953 | Shake correction unit and imaging apparatus - A shake correction unit includes: a base member; a first movable member that moves relative to the base member in a first direction; a second movable member to which an imaging device is fixed, the second movable member moving relative to the first movable member in a second direction; a first drive unit provided between the base member and the first movable member, the first drive unit moving the base member and the first movable member relative to each other in the first direction; and a second drive unit provided between the first movable member and the second movable member, the second drive unit moving the first movable member and the second movable member relative to each other in the second direction. | 2009-12-17 |
20090310954 | VISION MEASURING MACHINE AND FOCUSING METHOD THEREOF - A vision measuring machine includes a stage for supporting a workpiece, an image capturing device movable relative to the stage, and a laser ranging module directed towards the stage. The laser ranging module is capable of emitting a laser beam to the workpiece to form a laser spot on the workpiece surface, and determining a distance between the laser spot and the laser ranging module. | 2009-12-17 |
20090310955 | Exposure control method - An exposure control method adjusts an exposure setting used for capturing an image including a foreground object and a background. The foreground object is extracted from the image by an object detection procedure. If the area of the foreground object is greater than a predetermined area value, the brightness of both the foreground object and the background is analyzed. On the contrary, if the area of the foreground object is not greater than the predetermined area value, only the brightness of the background is analyzed. The exposure setting is adjusted according to the analysis result. Accordingly, greater brightness stability is provided during the capture of the following images. | 2009-12-17 |
20090310956 | METHOD FOR MANUFACTURE OF DOME COVER, DOME COVER, AND DOME-TYPE CAMERA - A dome cover ( | 2009-12-17 |
20090310957 | Information-processing apparatus, and storage medium storing launch program executed by information-processing apparatus - An information-processing apparatus stores in advance a photographing application program. Further, the information-processing apparatus comprises photographing processing means which has a function different from that of the photographing application program. In a launch acceptance state, the information-processing apparatus accepts a first launch operation for selectively launching a plurality of application programs, and a photographing enabling operation for setting a state of the information-processing apparatus to a photographing enabled state. The photographing enabling operation is different from the first launch operation, and is the same as a photographing operation. | 2009-12-17 |
20090310958 | SHUTTER DEVICE OF CAMERA - A shutter device of a camera includes an upper plate and a bottom plate. An oscillator, which is provided between the upper plate and the lower plate, includes a rotator having a spindle, and the spindle pivots its opposite ends on pivot portions of the upper plate and the lower plate respectively. A driving arm is provided to the spindle to swing two shutter blades for exposing or shading an aperture of an aperture plate. One of the shutter blade is fixed to the driving arm that the spindle is no longer to be a rotation center of the second shutter blade, so that a working space, in which the aperture plate, the shutter blades are received, is elevated to the same level as the pivot portion of the lower plate to reduce a thickness of the shutter device | 2009-12-17 |
20090310959 | CAMERA MODULE - An exemplary camera module includes a lens mount, a lens unit, a magnet unit, a printed circuit board (PCB)-based Rogowski coil and a blade spring. The PCB-based Rogowski coil is fixed around the lens unit. The PCB-based Rogowski coil establishes an induced magnetic field when an electric current is applied thereto. The induced magnetic field interacts with the magnet unit to generate a magnetic force moving the lens unit telescopically. The blade spring includes a plurality of ribs. Each rib includes a moveable end connected with the lens unit and an opposite fixed end. The moveable end moves together with the lens unit with respect to the fixed end to cause the ribs to distort and generate an elastic force. The lens unit stops at a focal position when the magnetic force and the elastic force come to a balance. | 2009-12-17 |
20090310960 | METHOD FOR MESH OPTICAL NETWORK SERVICE RESTORATION - This invention discloses a method for mesh restoration, which includes the steps of: a) reserving channel resource for restoration path in the link by which the path passes and assigning discriminator for each channel, and determining the associated signaling channels for transporting the discriminator; b) when detecting the work path fails, activating the restoration path of the work path according to the discriminator which is transported by the associated signaling channel and whose value corresponds to a restoration. Using the method of the invention, the problem in rapid mesh restoration can be solved, and the speed of mesh restoration is comparable to that of the ring network protection. | 2009-12-17 |
20090310961 | METHOD AND APPARATUS FOR CALIBRATING BURST MODE LASER TRANSMITTERS - A method is provided to calibrate a monitor photodiode that measures the optical output power generated by an optoelectronic transceiver module that includes a burst mode laser diode. The method includes disabling the power control loop that controls an average optical output power generated by the laser diode during a laser burst. A series of logic zero signals is applied to a data input of the transceiver module and the logic zero level of the optical signal generated by the burst mode laser diode while applying the series of logic zero signals is measured. The logic zero bias level applied to the laser diode is adjusted until the measured logic zero level of the optical signal reaches a first desired value. While maintaining the optical signal at the first desired value, a first value of a current generated by the monitor photodiode in response to optical energy received from a back facet of the laser diode is stored. The first value of the current represents the calibrated value of the monitor current that will be measured when the laser generates a proper logic zero optical signal. | 2009-12-17 |
20090310962 | Service based power and battery backup selection in a multiple dwelling unit - Heavy users of a Multi-Dwelling Unit Optical Network Terminal (MDU ONT) continuing to use services, such as telephone, data and video, when the MDU ONT is operating from backup power unfairly use the power available from the battery backup power supply. In other words, a heavy user uses more than his share of the power available at the battery backup power supply. Example embodiments of the present invention eliminate such unfairness by associating with each user a separate battery backup power supply dedicated to support that user's services. Therefore, the heavy user will drain his battery more quickly than a light or moderate user. In situations when power from a user's battery backup power supply is not available and an emergency or priority service is requested, the MDU ONT may allocate power from other user batteries, or its own central battery, to support the service. | 2009-12-17 |
20090310963 | DYNAMIC OPTICAL DEVICES - The invention provides an optical device, including a light-transmissive substrate, and a pair of different, parallel gratings including a first grating and second grating, located on the substrate at a constant distance from each other, each of the pair of parallel gratings including at least one sequence of a plurality of parallel lines, wherein the spacings between the lines gradually increase from one edge of the grating up to a maximum distance between the lines, and wherein the arrangement of lines in the second grating is in the same direction as that of the first grating. A system utilizing a plurality of such optical devices is also disclosed. | 2009-12-17 |
20090310964 | Optical communication system and optical line terminating apparatus - There is provided an abnormal light cut-off system in which even when a high power light is inputted from an optical fiber connected to a user side apparatus by a malicious user or an accident, a trouble rate is low, the abnormal light is cut off at high sensitivity, and security is high. In a network system in which an optical line terminating apparatus and plural optical network apparatuses are connected together via plural optical connection sections and an optical branching section, the optical branching section includes one optical line terminating apparatus side port and plural optical network apparatus side branch ports, an optical line terminating apparatus side optical fiber connects the optical line terminating apparatus and the one optical line terminating apparatus side port, an optical branching section side optical fiber connects the optical network apparatus side branch port and a light cut-off section, and an optical network apparatus side optical fiber connects the light cut-off section and the optical network apparatus. When an abnormal light is inputted from the optical network apparatus side, it is cut off by the light cut-off section. | 2009-12-17 |
20090310965 | Optical Transmission System and Device for Receiving an Optical Signal - The invention concerns a device ( | 2009-12-17 |
20090310966 | DIRECT DETECTION RECEIVER USING CROSS-POLARIZATION INTERFEROMETER FOR POLMUX-ASK SYSTEM - A differential delay detection system and method includes an optical splitter to split an incoming optical signal between a first path and a second path. The first path includes a cross-polarization interferometer configured to separately generate polarization independent outputs using split paths and to generate cross-polarization interference outputs, balanced photodetectors to aid in removing cross-polarization beating noise, and a polarization demultiplexer configured to combine the polarization independent outputs and the cross-polarization interference outputs from the cross-polarization interferometer with updated coefficients received from the second path to remove the cross-polarization mixed signals. The second path includes a training signal receiver configured to compute the updated coefficients and output the updated coefficients to the polarization demultiplexer. | 2009-12-17 |
20090310967 | METHOD AND APPARATUS FOR TRANSMITTING MULTIPLE CHANNELS IN A WAVELENGTH DIVISION MULTIPLEXED (WDM) OPTICAL COMMUNICATION SYSTEM WITH REDUCED RAMAN CROSSTALK AND NONLINEAR DISTORTIONS - An improved method and apparatus is provided for transmitting a WDM optical signal. The method begins by modulating optical channels that are each located at a different wavelength from one another with (1) a respective one of a plurality of information-bearing electrical signals that all embody the same broadcast information; (2) a respective one of a plurality of RF signals having a common functional broadcast waveform, at least one of the RF signals being out of phase with respect to remaining ones of the plurality of RF signal and (3) at least one of the RF signals being phase adjusted with respect to its original phase. Each of the modulated optical channels is multiplexed to form a WDM optical signal. The WDM optical signal, while maintaining the pre-assigned phase relationships between the modulation signals of the optical channels, is forwarded onto an optical transmission path. | 2009-12-17 |
20090310968 | MULTIPLE WAVELENGTH LIGHT SOURCE, AND GENERATION METHOD FOR MULTIPLE WAVELENGTH LIGHT - It is an object of the present invention to provide a multiple wavelength light source capable of generating lights of more wavelengths, and a generation method for multiple wavelength light using a multiple wavelength light source. | 2009-12-17 |
20090310969 | Optical transmitting apparatus and optical multiplexing unit - Even during a protection period in which a state transition is not caused from an ALC state to an ALD state, when an output light level that is inputted is below a threshold for ALC transition read from a memory, a processor causes a transition by switching an internal state from an ALC state to an ALD state. Then, an ALD operation is started, outputting a control voltage to a VAT control unit so as to achieve a predetermined fixed attenuation amount. | 2009-12-17 |
20090310970 | NETWORK TIMING - The subject matter disclosed herein relates to synchronizing network timing. In one particular example, network timing may be synchronized using reflected signals. | 2009-12-17 |
20090310971 | VISIBLE LIGHT COMMUNICATION METHOD AND SYSTEM - A time-sharing Visible Light Communication (VLC) system is provided. Two or more light sources transmit data received from one or more VLC terminals located in its service area to a communication control device, and transmits data received from the communication control device to the one or more VLC terminals. The communication control device determines and groups at least one of the two or more light sources to be included in a cell according to a generated user service, maps the grouped at least one light source to the cell, allocates a time slot used to provide the user service to the cell, transmits data associated with the user service to at least one of the one or more VLC terminals through the at least one light source mapped to the cell using the allocated time slot, detects a location of the at least one VLC terminal located in a service area of the cell on a real-time basis, and remaps the cell according to the detected location. | 2009-12-17 |
20090310972 | CIRCUIT CARD SUBASSEMBLIES FOR INTERCONNECTION OF ELECTRONIC COMPONENTS - A communication system is provided. The communication system includes a serialized radio frequency transceiver module and at least one radio frequency module. The serialized radio frequency transceiver module includes a plurality of optical-module connectors, and a remote serialized radio frequency interface including a plurality of high speed connectors. Each of the at least one radio frequency module includes an interface configured to be coupled to the remote serialized radio frequency interface of the serialized radio frequency transceiver module to pass and receive data signals, and a remote digital-analog radio transceiver input interface coupled to the interface. The remote digital-analog radio transceiver input interface is configured to pass data signals to and from the at least one radio frequency module. | 2009-12-17 |
20090310973 | Electroluminescent Emission Device for Optical Transmission in Free Space - The invention relates to a transmitting device for transmission through space, using electromagnetic waves of the infrared and/or visible and/or ultraviolet bands produced by one or several diodes producing electroluminescent light. | 2009-12-17 |
20090310974 | APPARATUS AND METHOD FOR DETECTING THE POSITION OF MEDIA IN A MEDIA PATH - An apparatus ( | 2009-12-17 |
20090310975 | ADAPTIVE DISPERSION COMPENSATION SYSTEM AND METHOD FOR OPTICAL COMMUNICATION NETWORK - The present invention discloses an adaptive dispersion compensation system and a method used in optical communication network, comprising at least one performance detecting unit ( | 2009-12-17 |
20090310976 | Illuminative light communication system - An light source control unit controls the flashing of a light source and the light amount of a light source according to information to be transmitted. Thus, light, which is modulated according to the information to be transmitted, is emitted from the light source. The light emitted from the light source is made to enter an optical fiber to pass therethrough and enter a light-scattering body which scatters and radiates the modulated light incident from the optical fiber. The scattered light serves as illumination light as it is. Furthermore, if the illumination light is decoded by a decoding unit after being received by a photoreceptor unit of a receiving set, then information carried by the illumination light can be received. | 2009-12-17 |
20090310977 | SYSTEMS FOR DEPLOYING AN OPTICAL NETWORK - A transmitter on an integrated circuit chip is disclosed that employs a laser, modulator, and a dispersion compensator module and a modulator for overcoming chromatic dispersion and polarization dependent loss effects. With the present invention, the dispersion compensator module is placed on a chip, either integrated or monolithic, for operation with a laser and a modulator without the need to compensate for dispersion within a separate unit that is not part of the chip. The dispersion compensator module can be implemented, for example, with a ring resonator, an etalon or a Mach-Zehnder interferometer. In a first aspect of the invention, the optical transmitter module of the present invention provides a cost-effective solution for upgrading from an existing optical network to a faster optical network, such as upgrading from a 2.5 Gbps to a 10 Gbps network. In a second aspect of the invention, the optical transmitter module of the present invention provides a means to deploy an optical network at the transmission rate of 10 Gbps, 40 Gbps and faster. | 2009-12-17 |
20090310978 | COMPLEMENTARY OPTICAL WIRING SYSTEM - A complementary optical wiring system has a transmitting circuit configured to combine a delayed signal obtained by delaying a digital electric input signal by a time shorter than a minimum pulse width of the digital electric input signal with the digital electric input signal to generate a first electric pulse signal synchronized with a rising edge of the digital electric input signal and a second electric pulse signal synchronized with a falling edge of the digital electric input signal, a first light-emitting element configured to convert the first electric pulse signal to a first optical signal, a second light-emitting element configured to convert the second electric pulse signal to a second optical signal, a first optical transmission path configured to transmit the first optical signal, a second optical transmission path configured to transmit the second optical signal, a first light-receiving element configured to convert the first optical signal transmitted through the first optical transmission path to a third electric pulse signal, a second light-receiving element configured to convert the second optical signal transmitted through the second optical transmission path to a fourth electric pulse signal and a receiving circuit configured to generate a digital electric output signal corresponding to the digital electric input signal in synchronization with the third and fourth electric pulse signals. | 2009-12-17 |
20090310979 | ELECTRONIC CIRCUIT AND COMMUNICATION SYSTEM - An electronic circuit includes: a differential amplifier circuit into which a digital input signal and a reference signal are fed; a feedback circuit outputting an average of amplitude of the input signal; and a peak holding circuit outputting a signal held based on an output signal of the feedback circuit as the reference signal. | 2009-12-17 |
20090310980 | PAPER SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS HAVING SAME - A paper sheet conveying apparatus includes: a paper sheet conveying portion that conveys a paper sheet and has an opening; a distance detection portion that projects light to a paper sheet through the opening, receives reflected light from the paper sheet, and detects a distance to the paper sheet; and a cover member that has a light projecting area portion which transmits the projected light therethrough, a light receiving area portion which transmits the reflected light therethrough, and a light block portion which is disposed between the light projecting area portion and the light receiving area portion and blocks flare light reflected by the light projecting area portion, wherein the cover member is disposed at a predetermined distance from a conveying path surface of the paper sheet conveying portion over the same side with respect to the distance detection portion. | 2009-12-17 |
20090310981 | GRAMMAGE DETECTION SENSOR OF RECORDING MEDIUM AND IMAGE FORMING APPARATUS - A grammage detection sensor which detects a grammage of a recording medium using an ultrasonic wave includes a transmitting unit configured to transmit the ultrasonic wave and a receiving unit including a first vibration member configured to receive the ultrasonic wave that is transmitted from the transmitting unit and passes through the recording medium. The receiving unit includes a guide member configured to guide the ultrasonic wave that passes through the recording medium to the first vibration member. A length from a surface of the first vibration member to a plane including an end plane of the guide member along a line that passes through a center of the first vibration member and is perpendicular to the first vibration member is approximately n times of one-half wavelength of the ultrasonic wave transmitted from the transmitting unit where n is an integer of one or greater. | 2009-12-17 |
20090310982 | IMAGE FORMING APPARATUS AND CONTROL METHOD FOR IMAGE FORMING APPARATUS - An image forming apparatus includes a first conveying unit that conveys a sheet, an image forming unit that forms an image on the sheet, a switch that switches a discharge destination for the sheet having the image formed thereon to a first direction and to a second direction, a stacking tray on which the sheet conveyed in the first direction is stacked, and a second conveying unit that conveys the sheet conveyed in the second direction. When occurrence of a jam is detected in the second conveying unit, the image forming apparatus controls the switch to switch the discharge destination of the sheet to the first direction. | 2009-12-17 |
20090310983 | IMAGE FORMING APPARATUS - Disclosed is an image forming apparatus that includes a recording medium feeding unit that feeds a recording medium to a predetermined conveyance path; a conveyance unit that conveys the recording medium fed from the recording medium feeding unit on the conveyance path; a conveyance status detection unit that detects a conveyance status of the recording medium placed on the conveyance path; a control unit that controls operations of the recording medium feeding unit, the conveyance unit, and the conveyance status detection unit; and an accommodation unit that accommodates the recording medium. The control unit controls the feeding of the recording medium with the recording medium feeding unit and the conveyance of the recording medium with the conveyance unit based on a detection result of the conveyance status detection unit, thereby discharging the recording medium present in the image forming apparatus to the accommodation unit. | 2009-12-17 |
20090310984 | DEVELOPING APPARATUS AND IMAGE FORMING MACHINE - The developing apparatus, having stirring members for conveying and stirring developer-tank-contained developer and a developer holder, comprises a developer replenishing tank; a toner concentration detecting sensor; a trickle-type discharging mechanism; a developer amount estimating sensor; and a controller for controlling replenishment operation for replenishing the toner and the carrier for replenishment to the developer tank when the toner concentration is lower than a predetermined reference toner concentration, wherein the controller determines the amounts of the toner and the carrier to be replenished on the basis of the calculated toner concentration and the estimated amount of the developer. | 2009-12-17 |
20090310985 | DEVELOPING APPARATUS AND IMAGE FORMING MACHINE - The developing apparatus, having stirring members for conveying and stirring developer-tank-contained developer and a developer holder, comprises a developer replenishing tank; a magnetic-type toner concentration detecting sensor; a trickle-type discharging mechanism; conveying state switching device for temporarily blocking the flow of the developer-tank-contained developer and for temporarily switching the circulating state of the developer-tank-contained developer to the staying state thereof; and a controller for controlling replenishment operation for replenishing the toner and the carrier for replenishment to the developer tank when the toner concentration is lower than a predetermined reference toner concentration, wherein the controller determines the amounts of the toner and the carrier to be replenished on the basis of the calculated toner concentration and the estimated amount of the developer. | 2009-12-17 |
20090310986 | IMAGE FORMING APPARATUS, INTERMEDIATE TRANSFER BELT DRIVE CONTROL METHOD, COMPUTER PROGRAM, AND RECORDING MEDIUM - An image forming apparatus includes a primary transfer unit, a secondary transfer unit, a belt drive unit, and a swingable assembly. The primary transfer unit primary transfers an image from an image carrying member to an intermediate transfer belt. The secondary transfer unit secondary transfers the image, primary-transferred onto the intermediate transfer belt, from the intermediate transfer belt to a recording medium. The belt drive unit drives the intermediate transfer belt. The swingable assembly alternately abuts the secondary transfer unit to the intermediate transfer belt and separates the secondary transfer unit from the intermediate transfer belt. When the image forming apparatus is determined to be shifted to an extended stop mode, the belt drive unit moves the intermediate transfer belt for a given distance in a transport direction of the intermediate transfer belt and the swingable assembly separates the secondary transfer unit from the intermediate transfer belt. | 2009-12-17 |
20090310987 | SYSTEM AND METHOD FOR DETECTING A FIRE IN A FIXER UNIT OF A PRINTER OR COPIER - In a fixer unit system and method to detect a fire in a fixer unit of an electrographic image generation device, at least one portion of a fixer region of the fixing unit is monitored with a photoelectric sensor arranged adjacent to a substrate material having a toner image to be fixed, at least one portion of radiation generated by at least one heat radiator of the fixer unit is not detected by the photoelectric sensor by not passing said at least one portion of the radiation generated by the at least one heat radiator through to the photoelectric sensor by use of an optical filter associated with the photoelectric sensor. An error signal is output when a fire in the fixer region is detected with the photoelectric sensor. | 2009-12-17 |
20090310988 | METHOD FOR PREVENTING THE INFLUENCE OF THE TRANSFER OF VIBRATIONS DURING THE PRINTING OF IMAGES ON AN END IMAGE CARRIER - In a method for electrographic printing of color images on a final image carrier, charge images of the images to be printed are generated on a charge image carrier and are developed into toner images with toner, the toner images being transferred onto an intermediate carrier from which they are transfer-printed onto the final image carrier. The charge images for the individual colors of the color image are generated in succession on the charge image carrier and are developed into individual color toner images with color toner. The individual color toner images are transferred onto the transfer belt and are there collected atop of one another in a color collection cycle to form a complete color toner image. Before the transfer printing of the complete color toner image on the final image carrier, the final image carrier is pivoted onto the transfer belt, and after the transfer printing, the final image carrier is pivoted away from the transfer belt. After transfer printing of the complete color toner image, the color toner images for the next complete color image are transferred from the charge image carrier onto the transfer belt after an end of the pivoting of the final image carrier away from the transfer belt. | 2009-12-17 |
20090310989 | IMAGE FORMING APPARATUS - An image forming apparatus which is free from occurrence of image noise due to the bleed phenomenon even without providing any contact-and-separation mechanism for the transfer member includes a control device which counts stop time elapsing from a stop to a restart of the image carrier, calculates an avoidance sheet count corresponding to the stop time at a restart of the image carrier, and makes a toner image carried on only part of the image carrier that has been out of the nip against the transfer member during the stop of the image carrier until the avoidance sheet count is reached after the restart of the image carrier. | 2009-12-17 |
20090310990 | IMAGE FORMING APPARATUS EXECUTING STABILIZATION PROCESS AT PROPER FREQUENCY - In an MFP, when a count of printed sheets of paper exceeds a predetermined count, a controller reads, from internal counters, a frequency of a stabilization process executed in return, a frequency of a stabilization process executed automatically in printing, a frequency of a stabilization process executed manually based on a user's instruction, and a frequency of return, respectively. When the frequency of the stabilization process executed automatically is small while the frequency of the stabilization process executed manually is large, the controller raises a frequency level of execution of the stabilization process. When the frequency of the stabilization process executed manually is small, the controller lowers the frequency level of execution of the stabilization process. | 2009-12-17 |
20090310991 | IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, COMPUTER READABLE MEDIUM STORING PROGRAM AND IMAGE FORMING METHOD - An image forming apparatus includes a detecting unit that detects a size of a document,
| 2009-12-17 |
20090310992 | RECORDING MEDIUM DETERMINATION APPARATUS AND IMAGE FORMING APPARATUS - A recording medium determination apparatus that determines grammage of a recording medium by using an ultrasonic wave includes a transmission unit configured to output an ultrasonic wave having a predetermined frequency, a reception unit configured to receive the ultrasonic wave output from the transmission unit and transmitted through the recording medium and output a received signal, a calculation unit configured to calculate a signal having a peak component according to a cycle of the received signal, and a determination unit configured to determine the grammage of the recording medium based on the signal calculated by the calculation unit. | 2009-12-17 |
20090310993 | IMAGE FORMING APPARATUS AND CONTROL METHOD THEREFOR - An image forming apparatus capable of suppressing occurrences of image defects and maintaining the image density constant while improving the development ability. The image forming apparatus includes a photosensitive drum on which an electrostatic latent image is carried, a developing sleeve on which developer is carried, an AC high-voltage drive circuit, an AC transformer, a DC high-voltage circuit, a p-p voltage detection circuit, and a CPU. The p-p voltage detection circuit converts a peak-to-peak voltage across a capacitor into a DC voltage which is taken out as a capacity detection signal. Based on the capacity detection signal output from the p-p voltage detection circuit, the CPU changes an image formation condition, e.g., a set value of a developing bias voltage. | 2009-12-17 |
20090310994 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus is provided with a control section which stores detection results of a toner sensor regarding detection patterns. When forming a plurality of detection patterns on an intermediate transfer belt, the control section determines circumference-directional lengths of the detection patterns formed this time, based on the detection results of the toner sensor regarding the detection patterns formed immediately before. Thereby, the waste toner amount and toner consumption are not only decreased but also the time taken to detect the density of a detection pattern is reduced, while maintaining the detecting accuracy thereof. | 2009-12-17 |
20090310995 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - In case new and old toners may be mixed, a developing bias is set as follows. The time is first clocked. The number of times toner is replenished from a hopper into a buffer for a clocked period is counted. If a replenishment amount per clock time is a threshold value or higher, considering that new and old toners are mixed, the setting of the developing bias is changed. An electric field intensity between a developing roller and a photoconductor is set to cause normally-charged toner to fly in an image area but not to fly in a background area. No image fogging is therefore generated in the background area. Thus, an image forming apparatus and method capable of preventing low-charged toner and oppositely-charged toner generated by mixing of new and old toners from adhering to the background area of an electrostatic latent image on the photoconductor, thereby avoiding generation of image fogging. | 2009-12-17 |
20090310996 | SAFETY DEVICE AND FIXING DEVICE - A fixing device has a fixing roller, a pressure roller, an electromagnetic induction heating section, a heat pipe, a temperature sensor and a control section. The fixing roller is heated by the electromagnetic induction heating section. The heat pipe is in contact with the pressure roller. The temperature sensor is in direct contact with the heat pipe to measure temperature of the heat pipe. The control section stops heating of the electromagnetic induction heating section when the temperature of the heat pipe measured by the temperature sensor reaches a preset temperature. This prevents an excessive rise in temperature of the heat pipe and suppresses an excessive increase in internal pressure of the heat pipe. Thereby, the heat pipe in the fixing device is prevented from being damaged. | 2009-12-17 |
20090310997 | IMAGE FORMING APPARATUS WHICH PRESENTS PATTERN AND METHOD THEREOF - An image forming apparatus which displays a preset pattern is provided, including a fixing unit, and a cover unit which is mounted on a main body in which the fixing unit is installed, and displays the preset pattern if the cover unit is heated by the fixing unit. Accordingly, the heating state of the image forming apparatus can be visually shown to users. In addition, diverse type of patterns can be applied so that an effective design can be provided. | 2009-12-17 |
20090310998 | IMAGE FORMING DEVICE AND IMAGE FORMING METHOD - To control a temperature of a rotating member for fixing an image during standby, an image forming device can suppress overshoot of the temperature of the rotating member occurred when a fixing state is switched to a standby state. Determining the standby temperature is higher than the fixing temperature (Step S | 2009-12-17 |
20090310999 | SHEET POST-PROCESSING APPARATUS, IMAGE FORMING SYSTEM AND POWER SAVING CONTROL METHOD - A sheet post-processing apparatus has a sheet conveying portion which receives and conveys a sheet discharged from an apparatus on an upstream side, and discharges it to an apparatus on a downstream side or a discharge tray, a sheet post-processing portion which carried out post-processing on the sheet, and a power saving control portion which renders the sheet post-processing apparatus into a power saving state, and the power saving control portion maintains electric power supply to the sheet conveying portion, and interrupts electric power supply to the sheet post-processing portion. The sheet post-processing apparatus, even in the power saving state, is capable of discharging the sheet discharged from the apparatus on the upstream side to the apparatus on the downstream side or a discharge tray. | 2009-12-17 |
20090311000 | IMAGE FORMING APPARATUS - An image forming apparatus includes a heat source, a toner containing member containing toner, and an electric fan for generating air flow in an air flow path formed between the heat source and the toner containing member. In the image forming apparatus, a temperature of the heat source reaches a glass transition point of the toner. After the electric fan is changed from a driving state to a rest state, a phase transition member for absorbing heat is disposed in a heat transfer path, in which heat transfers, from the heat source to the toner containing member. | 2009-12-17 |
20090311001 | Wiping Assembly In An Image Forming Device - The invention provides a wiping assembly in an image forming device, to clean at least one sensor lens in the image forming device. The wiping assembly includes a bracket to move between a first position and a second position across the sensor lens. Further, the wiping assembly includes a wiper to clean the sensor lens. The wiper is located between the bracket and a sensor housing, which supports the sensor lens. The wiping assembly includes a spring to actuate the movement of the bracket between the first position and the second position. The movement of the bracket is actuated by the movement of a print media tray and/or the movement of a toner cartridge. | 2009-12-17 |
20090311002 | CLEANING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A first roll brush is formed from material having the positive triboelectric charge polarity against toner. A positive bias is applied to the first roll brush through a first collection roller by a first bias application device. A second roll brush is formed from material having the negative triboelectric charge polarity against toner. A negative bias is applied to the second roll brush through a second collection roller by a second bias application device. Thus, the first and second roll brushes are applied by each of biases having polarity identical to the triboelectric charge polarity of material of the roll brush against toner. This enhances cleaning performance of both the roll brushes and prevents degradation of the cleaning performance. | 2009-12-17 |
20090311003 | CLEANING ROLLER FOR CLEANING IMAGE BEARING MEMBER - A cleaning roller has a core and a polyurethane foam layer covering the core to form a peripheral surface of the cleaning roller adapted to be in contact with a peripheral surface of the toner image bearing member. The polyurethane foam is designed so that the number of cell per inch thereof is 30 or more and 60 or less and an open ratio of cell walls thereof is 3% or more and 50% or less. | 2009-12-17 |
20090311004 | CLEANING DEVICE AND IMAGE FORMING APPARATUS - A cleaning device | 2009-12-17 |
20090311005 | IMAGE FORMING UNIT AND IMAGE FORMING APPARATUS - An image forming unit is provided with a regulating member placed in such a way as to surround a charging roller to regulate movement thereof. The regulating member has a pressing section inclined with respect to a straight line connecting the center of the charging roller to the axis of the photoconductor, as seen from the axial direction of the photoconductor. The pressing section is inclined farther away from the photoconductor toward upstream of rotation of the photoconductor. The regulating member allows the charging roller to electrically charge the photoconductor with a simplified structure and prevents adhering substances from accumulating on the contact portion between the photoconductor and the charging roller. | 2009-12-17 |
20090311006 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image carrier, a charging unit including a charge member that is disposed facing the image carrier across a gap therebetween and charges the image carrier by using electrical discharge caused by applying thereto a voltage including an alternating current component superimposed on a direct current component, a latent image forming unit, a developing unit to supply toner for developing the latent image formed on the image carrier into a toner image and to collect residual toner remaining on the image carrier, a transfer unit, and a toner spreading member to spread toner on the image carrier and disposed upstream from the charging unit in a direction of movement of the image carrier and downstream from the transfer unit in the direction of movement of the image carrier. | 2009-12-17 |
20090311007 | Image forming apparatus - An image forming apparatus including: a first and a second photoconductor groups constituted of one or more photoconductors respectively; a first and a second drive control sections for controlling the drive of the first and the second photoconductor groups respectively to rotate the photoconductors thereof, wherein the rotational phases of the first photoconductor group and the second photoconductor group are adjusted to be matched therebetween; and the first and the second drive control sections control so that predetermined profile of a target speed is applied to the first and second photoconductor groups wherein, in the target-speed profile, the first photoconductor group starts rotating after a elapse of a predetermined startup delay time from the second photoconductor group starts rotating, and both groups end at a same final speed predetermined for full-color image formation, wherein the startup delay time is predetermined based on measurements of times needed for each of the first and the second photoconductor groups to reach a predetermined speed from starting the rotation with the target-speed profile being applied thereto. | 2009-12-17 |
20090311008 | ION GENERATING ELEMENT, CHARGING DEVICE, AND IMAGE FORMING APPARATUS - In an ion generating element, (i) an induction electrode and a heater electrode are provided away from each other on one surface of an insulating base material such that the induction electrode and the heater electrode are insulated from each other, (ii) a dielectric layer is provided on the surface of the insulating base material, and (iii) the dielectric layer has a length covering the insulating base material and the dielectric layer has openings above a ground terminal of the induction electrode and above a ground terminal and a power supply connection terminal of the heater electrode so that the terminals are exposed. As a result, it is possible to provide an ion generating element for generating ions along with creeping discharge, a charging device, and an image forming apparatus, each of which can be produced at low costs and prevent damages when unexpected troubles occur, and each of which is excellent in terms of safety. | 2009-12-17 |
20090311009 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS HAVING THE DEVELOPING DEVICE - In a developer cartridge of toner and carrier, uneven distribution of the carrier at least in the vicinity of a replenishing port is eliminated regardless of the composition ratio between the carrier and the toner and the specific gravity of the carrier. Provided is a construction including a developer container in which a developer containing toner and carrier is received and which has a developing roller to supply the toner to an image carrier, a developer cartridge in which a replenishing developer containing the toner and the carrier is received and which has a replenishing port connected to the developer container to allow the developer container to be replenished with the developer via the replenishing port, and stirring means capable of stirring the developer located at least in the vicinity of the replenishing port in the developer cartridge. | 2009-12-17 |
20090311010 | DEVELOPER SUPPLYING APPARATUS AND DEVELOPING APPARATUS HAVING THE SAME - A developer supplying apparatus includes a developer lump prevention unit that reduces the aggregation of developer into lumps in the path, which defines the supply passage of developer from the developer cartridge, in which the developer is stored, to the developing cartridge, which houses the developing roller. The developer lump prevention unit includes a developer lump removal member disposed in the path and a driving mechanism to drive the developer lump removal member to move in the path to prevent the developer lumps from forming and/or to break up lumps that had already formed in the path. | 2009-12-17 |
20090311011 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - The present invention provides a developing device which is capable of suppressing the generation of a fogging phenomenon and deposition of carrier particles to an electrostatic latent image carrier and developing the electrostatic latent image efficiently, the device comprising a development sleeve and a magnet body onto which the sleeve is fitted, and using a two-component developer. An angular position which indicates the peak value of the magnetic flux density in the normal direction produced by a development pole of the magnet body is shifted downstream from the center position of the development pole in the direction of movement of the surface of a photosensitive member in a development region. The present invention also provides an image forming apparatus which can form high-quality images with reduced noise such as fogging by mounting the developing device. | 2009-12-17 |
20090311012 | DEVELOPING DEVICE AND IMAGE-FORMING APPARATUS - This invention relates to a developing device | 2009-12-17 |
20090311013 | TRANSFER BELT UNIT FOR IMAGE FORMING APPARATUS - A flywheel is coupled to a driven roller to support, at a secondary transfer position, an intermediate transfer belt that, together with a secondary transfer roller, nips and conveys a sheet. A direction of a shaft of the flywheel has an angle of 90° with respect to a direction of a shaft of the driven roller, and the flywheel is arranged in a hollow inside of the intermediate transfer belt. A second belt of a link mechanism is twisted, and the flywheel is coupled to the driven roller. | 2009-12-17 |
20090311014 | IMAGE-BEARING MEMBER PROTECTING AGENT, PROTECTIVE LAYER FORMING DEVICE, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - To provide an image-bearing member protecting agent used in an image forming method which includes applying or attaching the agent onto a surface of an image bearing member, the agent including: a fatty acid metal salt and boron nitride, wherein the boron nitride includes secondary particles composed of aggregated fine crystals, and wherein the crystals have an average primary particle diameter of 0.1 μm to 1.0 μm and an average secondary particle diameter of 3.0 μm to 14.0 μm. | 2009-12-17 |
20090311015 | FIXING DEVICE AND IMAGE FORMING APPARATUS - In a fixing device including a fixing roller, a pressure roller and an external heating section, a scraper is arranged to contact a circumferential surface of an external heating belt and scrape toner and the like on the circumferential surface to thereby clean the circumferential surface. In addition, a material that has higher adherence to toner than on a circumferential surface of the fixing roller is used for the external hating belt to thereby peel the toner and the like on the circumferential surface of the fixing roller and clean the circumferential surface of the fixing roller. Further, as a vibration applying section adapted to apply vibration to the scraper, a first contact/separation section adapted to contact/separate the external heating section with/from the fixing roller is provided. Vibration is applied to the scraper by the first contact/separation to peel the toner and the like off the scraper. | 2009-12-17 |
20090311016 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A fixing device to fix a toner image on a sheet includes a flexible endless belt that rotates in a predetermined direction, an inner circumferential surface of which includes a fluorine-containing surface layer, a rotary member that contacts an outer circumferential surface of the belt, a fixed member fixed inside the belt to press against the rotary member via the belt, forming a nip portion therebetween, a lubricant applied between the belt and the fixed member, and a heat source to heat at least one of the belt and the rotary member. A surface of the fixed member that slidingly contacts the inner circumferential surface of the belt includes a fluorine-containing surface layer. One of the fluorine-containing surface layers is porous, and at least one of the fluorine-containing surface layers has a surface energy greater than a surface tension of the lubricant. | 2009-12-17 |
20090311017 | CLEANING BLADE AND IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD USING THE SAME - A cleaning blade for removing fine particles from a cleaning target by contact with the cleaning target is provided. The cleaning blade includes an elastic blade A leading edge of the elastic blade includes a friction coefficient of 0.5 or less. The cleaning blade also includes a surface layer that covers the leading edge of the elastic blade. A thickness of the surface layer is between 1 to 50 μm at a position 50 μm away from the leading edge, and a hardness of the surface layer is greater hardness than the elastic blade. | 2009-12-17 |
20090311018 | DUPLEX PRINTING APPARATUS - A duplex printing apparatus is equipped with: a first printing section for printing on first sides of sheets; a storage section for storing a plurality of the sheets, the first sides of which have been printed on; a second printing section for printing on second sides of the sheets; a first conveying section for sequentially conveying the sheets, the first sides of which have been printed on, to the storage section; and a second conveying second for sequentially conveying the plurality of sheets which are stored at the storage section to the second printing section. The storage section is equipped with a holding mechanism that holds the plurality of sheets, the first sides of which have been printed on, in an overlapped state with predetermined intervals therebetween. | 2009-12-17 |
20090311019 | FACE-TO-FACE PRINTING WITHIN BOOKLET - Method for printing pages within a booklet to improve the appearance of images on opposing pages includes sequencing images such that opposing pages are printed with the same print engine and/or fused the same number of times. Booklets include opposing pages having images fused the same number of times and/or printed with the same print engine as the image on the opposing page. | 2009-12-17 |