40th week of 2008 patent applcation highlights part 49 |
Patent application number | Title | Published |
20080240647 | OPTICAL MODULE - An optical module includes a circuit board mounted with a light receiving element, and a waveguide board in which a waveguide is formed. The circuit board is made of a flexible material, and has transmissivity for light having a wavelength received by the light receiving element. A circuit pattern part is formed on a surface on one side of the circuit board, and the light receiving element is mounted on the circuit pattern part. An optical filter part that transmits the light having the wavelength received by the light receiving element and that reflects light having other wavelengths, is formed on a surface on the other side of the circuit board by depositing a dielectric multilayer film. The waveguide board is connected to the optical filter part. In the light receiving element, a light receiving layer is disposed at a position outside from a region where the circuit pattern part is formed. An end portion of the waveguide of the waveguide board is optically connected to the light receiving layer of the light receiving element through the optical filter part and the circuit board. | 2008-10-02 |
20080240648 | Photoelectric conversion module for direct optical interconnection and method of manufacturing the same - Provided are a photoelectric conversion module for direct optical interconnection and a method of manufacturing the same, wherein an optical element array is bonded to a side surface of an IC board having a semiconductor chip mounted thereon and an optical waveguide array is bonded to one end of the optical element array having the other end bonded to the IC board to be optically connected to the optical element array, thereby improving the efficiency of optical coupling between optical elements and optical waveguides, and wherein since the optical coupling between the optical elements and the optical waveguides is realized on the same plane between the optical waveguides having the same array as the optical elements, multi-channel optical coupling can be facilitated to enable easy implementation of an optical design. | 2008-10-02 |
20080240649 | Optical switch with co-axial alignment beam - A method and system for creating and co-aligning a first array of optical beams with a second array of optical beams. In a preferred application the invention is used in a cross connect optical switch. A first set of alignment beams are created and added to and aligned co-axially with each of the first set of parallel collimated cross-connect communication beams. A second set of alignment beams are created and added to and aligned co-axially with each of the second set of parallel collimated cross-connect communication beams. A preferred embodiment includes an injection unit with a “point” infrared light source such as a vertical cavity surface emitting laser (VCSEL) operating in the near infrared at 850 nm and having a divergence of about 30 degrees. The beam from this source is collimated with collimator optics to produce a collimated beam with a cross sectional dimension of about 16 millimeter×16 millimeters. This collimated beam is separated into 128 separate beams with a mask having 128 0.6 mm diameter apertures that are positioned to align the 128 separate parallel beams with the communication beams from a fiber bundle. | 2008-10-02 |
20080240650 | Optical switch and method of adjusting optical switch - An optical switch includes an input port into which a multiplexed optical signal is input; a dispersing unit that, according to wavelength, disperses the multiplexed optical signal into a plurality of optical signals that are each dispersed in a unique direction; a converging unit that converges the dispersed optical signals; plural mirrors that are arrayed forming a single row in a plane and reflecting the converged optical signals, respectively; and plural output ports through which the reflected optical signals are output. Each of the mirrors has a concave reflective surface that is in the plane and of a predetermined curvature about an axis parallel to the plane. | 2008-10-02 |
20080240651 | Silicon waveguide dispersion compensator using optical phase conjugation - In the absence of using any chromatic dispersion compensation technique, it may be difficult to detect the transmitted data over long distances at the receiving end. Embodiments utilize the optical phase conjugation (OPC) property in silicon waveguides to compensate chromatic dispersion effect in optical fibers. | 2008-10-02 |
20080240652 | OPTICAL WAVEGUIDE - An optical waveguide includes a propagating light waveguide, a coupler including a photonic crystal, and a surface plasmon waveguide, the propagating light waveguide, the coupler, and the surface plasmon waveguide being disposed in one plane along a waveguiding direction. | 2008-10-02 |
20080240653 | OPTICAL COUPLER INCLUDING MODE-MIXING - A mode-mixer is used to introduce mode-mixing to an input in an optical coupler. As a result, modal noise effects are minimized in an output of the optical coupler. An example of a mode-mixer implemented includes a step index optical fiber which may or may not be coupled to a graded index optical fiber via a splice within an optical coupler. The splice may be a mechanical splice using connectors or a fused splice in some embodiments. The optical coupler may be included in a system for monitoring and/or analyzing a network. | 2008-10-02 |
20080240654 | HYBRID PLANAR LIGHTWAVE CIRCUIT WITH REFLECTIVE GRATINGS - The present invention relates to a hybrid planar lightwave circuit in which a silicon reflective diffraction grating etched with a highly accurate deep reactive ion etching process is mounted in a trench formed in a high optical performance silica on silicon waveguide device. | 2008-10-02 |
20080240655 | Method and apparatus for controlling waveguide birefringence by selection of a waveguide core width for a top cladding - A method and apparatus for controlling waveguide birefringence by selection of a waveguide core width for a tuned top clad is described herein. In one example, a dopant concentration within a top cladding material is between 3-6% (wt.). Given a tuned top cladding composition, a width of the waveguide core is pre-selected such that birefringence is minimized, i.e., a zero, or near zero. The desirable width of the waveguide core is determined by calculating the distribution of stress in the top cladding over a change in temperature. From this distribution of stress, a relationship between the polarization dependent wavelength and variable widths of the waveguide in the arrayed waveguide grating are determined. This relationship determines a zero value, or near zero value, of polarization dependent wavelength for a given range of waveguide widths. Accordingly, the width of the waveguide may be selected such that the polarization dependent wavelength is minimized. | 2008-10-02 |
20080240656 | Integrated electronic components and methods of formation thereof - Provided are integrated electronic components which include a waveguide microstructure formed by a sequential build process and an electronic device, and methods of forming such integrated electronic components. The microstructures have particular applicability to devices for transmitting electromagnetic energy and other electronic signals. | 2008-10-02 |
20080240657 | Right-angle optical fiber connector assembly - A right-angle optical-fiber connector assembly for providing an optical connection to an external device such as a circuit board. The connector assembly includes a rigid ferrule having at least one right-angle bend and that defines an interior region and first and second ferrule ends, and a maximum optical fiber bending radius R | 2008-10-02 |
20080240658 | Optical Fibre Connection Device - The present invention provides an optical fibre connection device comprising a part ( | 2008-10-02 |
20080240659 | COUPLING DEVICE BETWEEN AN OPTICAL FIBRE AND AN OPTICAL GUIDE INTEGRATED ONTO A SUBSTRATE - The disclosure relates to an optical device comprising an assembly and optical coupling cover between at least one waveguide integrated onto a first support and at least one optical fibre integrated onto a fibre connector, wherein the cover is capable of being fixed to the first support and comprises:
| 2008-10-02 |
20080240660 | Fiber optic structures having an attachment portion - Disclosed are fiber optic structures having at least one optical fiber and a protective covering such as a cable jacket or matrix material. The fiber optic structures include an attachment portion for providing the craft an installation option for securing the same. Specifically, the fiber optic cable has a first portion that has at least one optical fiber and an attachment portion. The attachment portion generally extends away from the first portion, thereby providing a portion of the fiber optic structure suitable for receiving a fastener therethrough without damaging the at least one optical fiber or causing undue levels of optical attenuation. The fiber optic structures may also have a bulbous first portion for indicating the location of the optical fiber to the craft. | 2008-10-02 |
20080240661 | Optical cable for connection to a general distribution network, and a method of connecting said cable - The present invention relates to an optical cable comprising: one or more main optical fiber modules each comprising optical fibers and an outer sheath, the optical fibers of each main module being surrounded by said outer sheath; and a protective covering surrounding said main optical fiber module(s); the optical cable also including an internal optical cable inside said protective covering, said internal optical cable comprising at least one internal module of optical fibers, and wherein at least one internal optical fiber module of the optical fiber cable is connected to at least one of the main optical fiber modules of the optical cable. | 2008-10-02 |
20080240662 | Optical cable for connection to a general distribution network, and a method of connecting said cable - The present invention relates to an optical cable comprising: one or more main optical fiber modules, each comprising optical fibers and an outer sheath, the optical fibers of each main module being surrounded by said outer sheath; and a protective covering surrounding said main optical fiber module(s); wherein: n main optical fiber modules, where n is an integer such that 1≦n≦3, are disposed inside a tube that is specific thereto, said n main modules being free inside said tube; and said cable further comprises a carrier element inside said protective covering; each of said tubes being held stationary between said carrier element and said protective covering. | 2008-10-02 |
20080240663 | ULTRA HIGH NUMERICAL APERTURE OPTICAL FIBERS - Various embodiments described include optical fiber designs and fabrication processes for ultra high numerical aperture optical fibers (UHNAF) having a numerical aperture (NA) of about 1. Various embodiments of UHNAF may have an NA greater than about 0.7, greater than about 0.8, greater than about 0.9, or greater than about 0.95. Embodiments of UHNAF may have a small core diameter and may have low transmission loss. Embodiments of UHNAF having a sufficiently small core diameter provide single mode operation. Some embodiments have a low V number, for example, less than 2.4 and large dispersion. Some embodiments of UHNAF have extremely large negative dispersion, for example, less than about −300 ps/nm/km in some embodiments. Systems and apparatus using UHNAF are also disclosed. | 2008-10-02 |
20080240664 | OPTICAL FIBER PREPARATION DEVICE - An optical fiber preparation device ( | 2008-10-02 |
20080240665 | Underground enclosure mounting system - A mounting fixture for mounting a piece of telecommunications equipment within an underground vault is disclosed. The mounting fixture includes a frame structure configured to be mounted to an upper edge of an open end of a vault. The mounting fixture also includes a can structure for receiving the piece of telecommunications equipment. The can structure includes a closed end, an open end, and a sidewall extending between the closed end and the open end, the can structure being mounted to the frame structure. A cover including a top end and a skirt portion extending downwardly from the top end is slidably received within the can structure, the skirt portion sized to fit around the piece of telecommunications equipment and sized to fit within the sidewall of the can structure, the top end of the cover forming a water tight seal with the top end of the can structure. | 2008-10-02 |
20080240666 | Retention and rotation clamp assembly for use with an angled optical fiber cleaver - The present invention relates generally to an angled optical fiber cleaver that is used to cleave optical fibers prior to mechanical splicing and that provides a desired optical fiber endface angle. More specifically, the present invention relates to an angled optical fiber cleaver that incorporates a novel retention and rotation clamp assembly that successively engages, securely holds, and rotates an optical fiber prior to cleaving, this rotation providing the desired optical fiber endface angle. Advantageously, the novel retention and rotation and clamp assembly of the present invention is actuated via a single linear button press/release, eliminating the cumbersome steps associated with conventional devices and methodologies. | 2008-10-02 |
20080240667 | Coating Material and Fiber Optic Sensor in Which this Coating Material is Used - This invention relates to a coating material that is applied on organic and/or inorganic surfaces and that can detain moisture and easily release the moisture that is detained after a certain time, and a fiber optic sensor ( | 2008-10-02 |
20080240668 | INTEGRATOR UNIT - An integrator unit for integrating an incoming light beam for a uniform distribution of illumination comprises an inner cylinder fixedly equipped with a rod integrator, an outer cylinder in which the inner cylinder is coaxially received for axial movement and axial adjustment members which comprises a circumferential groove spatially squared to a center axis of the inner cylinder and a radial access bore formed in the outer cylinder. A round shaped position adjustment tool has an end pin on a round end face thereof in a position off center from an axis of rotation of the position adjusting tool. The position adjusting tool is inserted in the radial access bore to put the end pin in the circumferential groove and turned in the radial access bore so as thereby to move the inner cylinder axially back and forth. | 2008-10-02 |
20080240669 | MPEG-BASED USER INTERFACE DEVICE AND METHOD OF CONTROLLING FUNCTION USING THE SAME - An MPEG-based user interface (UI) device and a method of controlling a function using the same are provided. The MPEG-based user interface (UI) device includes an output unit which outputs an MPEG-based UI to a screen of an apparatus, and a processing unit which controls a function corresponding to the UI. | 2008-10-02 |
20080240670 | PICTURE RECORDING SYSTEM AND PICTURE RECORDING AND REPRODUCING METHOD - The present invention makes it possible to provide a reproduction resource even in an HDD recorder in which a plurality of storage processes is performed and no resource for providing the reproduction service exists. In order for realizing the above advantage, when the shortage of the reproduction resource occurs in a picture recording process, the picture recording process of the HDD recorder to which a content reproduction request is issued is switched to another HDD recorder, thereby providing the resource for content reproduction. Further, the content data stored in a dispersed manner by distributing the picture recording process is managed uniformly by recording the recording locations of the contents, which is divided and recorded, for every content data. Thus, it becomes possible to provide the content to the equipment issuing the reproduction request as a single content. | 2008-10-02 |
20080240671 | EXPLANATORY-DESCRIPTION ADDING APPARATUS, COMPUTER PROGRAM PRODUCT, AND EXPLANATORY-DESCRIPTION ADDING METHOD - When a scene group including plural scenes, for example a group of scenes bookmarked during viewing of video contents is inputted, a combination of a scene and metadata in a group of metadata that represents characteristics of the scene, corresponding to the respective scenes in the scene group, which combination has a largest distance between the metadata, is selected as explanatory descriptions that are explanations for distinguishing among the scenes, and the selected explanatory descriptions for each scene included in the scene group is added to each scene. | 2008-10-02 |
20080240672 | Image reproduction apparatus - An image reproduction apparatus sequences and reproduces multiple moving pictures while eliminating linking and editing operations. A list display unit lists on a screen thumbnails corresponding to each of multiple moving pictures recorded on recording media. A selection unit selects and orders, according to selection operations, multiple thumbnails displayed by the list display unit. Based on the multiple thumbnails selected and ordered by the selection unit, a reproduction unit reproduces the moving pictures corresponding to each of the thumbnails by reproducing them in that order. A display displays moving pictures sequenced in order by the reproduction unit on a screen. | 2008-10-02 |
20080240673 | PLAYBACK APPARATUS, PLAYBACK METHOD, DISTRIBUTION SERVER, DISTRIBUTION METHOD, RECORDING MEDIUM AND INTEGRATED CIRCUIT - The present invention aims at providing a playback apparatus that performs playback control so as to prevent, in playback of content recorded on a recording medium, a decline of the value of the recording medium and content. | 2008-10-02 |
20080240674 | RECORDING APPARATUS - A recording apparatus | 2008-10-02 |
20080240675 | Coordinating Audio/Video Items Stored On Devices - Among other things, at a portable device associated with a user, running a synchronization process to request from a network server synchronization of stored AV items on the portable device with AV items stored on a digital AV recorder also associated with the user, receive one or more files from the network server that correspond to one or more AV items stored on the digital AV recorder, and store the files on the portable device subject to a replacement policy based on available storage capacity on the portable device. At later times determined by the user, one or more of the AV items are presented to the user of the portable device based on the stored files. | 2008-10-02 |
20080240676 | METHOD OF UPDATING ADDITIONAL DATA AND APPARATUS FOR REPRODUCING THE SAME - A method of updating additional data, and an apparatus for reproducing the same, the method includes: downloading the additional data, which includes clip information and a clip stream that can be reproduced concurrently with a play item of the Audio Visual (AV) data; referring to the clip information and updating reproduction information of the play item; and reproducing the clip stream in synchronization with a current reproduction time of the main video stream of the play item, by using to the updated reproduction information. | 2008-10-02 |
20080240677 | Playback apparatus, broadcast receiving device, and computer-readable recording medium - A television broadcast received by a television broadcast receiving device is recorded as a recording file, and a central control device identifies specific recording portions (for example, commercial portions) within the recording file, and then calculates the remaining playback time (the total remaining time without the specific recording portions) that is the playback time of the recording file after the playback position minus the total time for the specific recording portions after the playback position, and displays information according to the total remaining time without the specific recording portions. | 2008-10-02 |
20080240678 | DATA RECORDING METHOD - In a case of recording and managing a program which has a plurality of image streams in one program, it is necessary to address which stream a logic table which records a position of an I picture for high-speed fast forwarding and rewinding corresponds to. | 2008-10-02 |
20080240679 | RECORDING METHOD, REPRODUCING METHOD, RECORDING APPARATUS, AND REPRODUCING APPARATUS OF DIGITAL STREAM - According to one embodiment, this invention allows to acquire attribute information of a stream object and to generate it as management information upon recording a digital stream when an MPEG-TS that uses H.264 as a moving picture encoding format is to be recorded. Information is acquired from a component descriptor, a PES packet header, or a sequence parameter set in a program map table included in the digital stream signal, and video attribute information of the object and/or attribute information of the data unit is determined. The object is recorded for each data unit, and management information that manages the recorded is recorded. | 2008-10-02 |
20080240680 | INFORMATION COMMUNICATION TERMINAL - An information communication terminal has a download function portion ( | 2008-10-02 |
20080240681 | Digital Broadcast Receiving Apparatus - A portable telephone 100 with broadcast receiving function has a portable telephone device and a digital broadcast receiving apparatus . A recording format selection section 116 in the digital broadcast receiving apparatus records, in a recording section 117 such as nonvolatile semiconductor memory, any of a video signal, an audio signal and a data signal which are separated by a transport stream (TS) separating section 105, in accordance with a designated recording format or contents of a broadcast program, from a recording start time to a recording end time. An attempt is made to make the quantity of data signal to be recorded in the recording section 117 appropriate, and diminish power consumed by a battery of the portable telephone 100 with broadcast receiving function. | 2008-10-02 |
20080240682 | SOUND PLAYBACK APPARATUS - According to one embodiment, a sound playback apparatus includes receiving mechanism for obtaining a sound packet including sound data about outputs of a predetermined number of channels, downmix information receiving mechanism for obtaining downmix coefficient information, control mechanism for determining whether downmix processing is to be performed for the sound packet by using the downmix coefficient information or not, sound processing mechanism for performing downmix processing of the sound packet based on the downmix coefficient information when the control mechanism determines to perform downmix processing for the sound packet, and sound output mechanism for outputting the sound data downmixed by the sound processing mechanism to a speaker connection terminal. | 2008-10-02 |
20080240683 | Method and system to reproduce contents, and recording medium including program to reproduce contents - A contents reproduction system includes a display unit, a processor configured to simultaneously reproduce video contents and non-video visual contents on the display unit, an input unit through which an instruction is sent to the processor, and a storage unit storing the video contents, the non-video visual contents, reproduction synchronization information, and display layouts. The reproduction synchronization information associates the video contents, the non-video visual contents, and the display layouts with each other for each video scene. The processor refers to the reproduction synchronization information and changes the non-video visual content and the display layout for each video scene. When the user requests to change display layout via the input unit, the processor allows a user to select one of the display layouts and changes at least a current display layout to the display layout selected by the user. | 2008-10-02 |
20080240684 | Data Transmission Method and Audio/Video System Capable of Splitting and Synchronizing Audio/Video Data - Data transmission first initializes a transmitter system and a receiver system. The transmitter system processes audio/video data, and transmits the processed audio/video data based on information received from the receiver system. The receiver system receives and processes the audio/video data sent by the transmitter system for generating corresponding audio output data and video output data. The receiver system sends the audio output data and the video output data to an audio output apparatus and a video output apparatus, respectively. | 2008-10-02 |
20080240685 | Recording and reproducing apparatus - A recording and reproducing apparatus capable of recording and reproducing the signals of both a digital broadcast system and an analog broadcast system is disclosed. By utilizing the existing configuration efficiently, the cost increase due to the system change is minimized. Both the digital broadcast system and the analog broadcast system are connected to a connector to receive both digital and analog broadcast signals. The analog broadcast signal input through the connector is recorded in a digital broadcast signal recording unit of the digital broadcast system under the control of the control unit included in the digital broadcast system. | 2008-10-02 |
20080240686 | Recording and reproducing system for image data with recording position information and a recording and reproducing method therefor - An image data recording and reproducing system comprises an image data input unit, an ID generator generating an ID inserted to image data from the image data input unit, a plurality of image data recorders for recording the image data, and an output unit for outputting the image data recorded into the plurality of image data recorders, wherein each of the plurality of image data recorders has an ID table and an image data storage area, and an ID of the ID table is matched with image data of the image data storage area on the bases of recording position information of the image data. | 2008-10-02 |
20080240687 | APPARATUS AND METHOD FOR REPRODUCING AUDIO/VIDEO DATA OF INFORMATION STORAGE MEDIUM - An apparatus and method of reproducing audio/video (A/V) data of an information storage medium, by which various reproduction modes can be provided. The apparatus includes a controller to download, via a network, data used to reproduce the A/V data and to generate as update information file information used to reproduce the downloaded data and the A/V data; and a local storage medium to store the update information. The controller stores newly downloaded and generated update information in the local storage medium while maintaining previously downloaded and generated update information in the local storage medium. | 2008-10-02 |
20080240688 | Fan controller with duty cycle comparator - A control circuit for a direct current motor is described. In accordance with the principles of the invention, a duty cycle comparator is provided to control the speed of the motor. | 2008-10-02 |
20080240689 | 360° Portable electric space heater - A portable air heating system for use in all areas is disclosed. The portable air heating system provides a stream heated air for use in heating the interior of a structure, in 360°, multidirection, or a direction. Directional heating is accomplished through exhausts ports located all around the assembly. The heating system generally comprises an air transfer assembly for providing a flow of air through the system, an electrical heat emitting assembly, and a heat transfer housing for safely transferring the heat produced by the electrical heating assembly to the air flowing through the transfer assembly. Additionally, liquid filled bladders may be added to the heat emitting assembly to conserve and retain heat longer which will be said unit more energy efficient. The present heating system is also highly portable and simple to use, thereby providing an efficient mechanism for providing perform conditioning functions, such as air moving, heating, or cooling. | 2008-10-02 |
20080240690 | Hot Air Heater - A hot air heater includes heating wires ( | 2008-10-02 |
20080240691 | Radiant Device - A radiant device ( | 2008-10-02 |
20080240692 | Heat recovery device - A heat recovery device particularly for association downstream of devices suitable to heat water. The device is constituted by a tank provided with an inlet for recovering warm water from domestic drains and an outlet for draining toward the sewer. The tank has a set of tubes for water which arrives from the mains and is thus heated before being fed to devices such as a boiler, water heater, et cetera. The device therefore allows savings in water heating for domestic or industrial uses. | 2008-10-02 |
20080240693 | IMAGING APPARATUS - An imaging apparatus includes an imaging device, and an optical system configured to image light from an imaging subject on the imaging device. The optical system includes a group of lenses and an aperture diaphragm. When NP point is defined as a point where an extended linear component in an object space of a principal ray located in a Gauss region and selected from among principal rays passing through a center of the aperture diaphragm of the optical system crosses an optical axis of the optical system, D represents a diameter of a lens at the closest side to the imaging subject, and LN represents a distance from a lens surface of the lens at the closest side to the imaging subject to the NP point, a formula; 0≦LN≦D (1) is satisfied. | 2008-10-02 |
20080240694 | ELECTRONIC DEVICE - An electronic device includes an operation member which is arranged within a range where a particular finger of right hand gripping the electronic device in a vertical orientation reaches and in which assigned functions can be customized, a storage unit adapted to store information on a first function and a second function which are set in the operation member as the assigned functions, an orientation information obtaining unit adapted to obtain information on an orientation related to the electronic device, a function assignment control unit adapted to assign the first function to the operation member when it is determined based on the information on the orientation that the electronic device is in a horizontal orientation and assign the second function to the operation member when it is determined based on the information on the orientation that the electronic device is in the vertical orientation. | 2008-10-02 |
20080240695 | MOTION COMPENSATION DEVICE AND PHOTOGRAPHIC DEVICE - A motion compensation device comprising, a detector to detect a vibration of an imaging device which takes an image, a controller to control a compensation amount of an influence of said vibration based on an output of said detector, said controller increasing said compensation amount according to lapse of shooting time of said imaging device. | 2008-10-02 |
20080240696 | Mesh communication wireless camera system and method - A system includes a camera and a monitoring system that are capable of wireless communication. The camera is operable to send a message to the monitoring system via a plurality of wireless communication paths. The message includes information relating to an operational status of the camera. The camera may generate and analyze a video signal and the message may include information relating to the analysis of the video signal. The camera may be one of a plurality of cameras capable of generating video signals. The system may further include an intermediate node capable of wireless communication with the cameras and the monitoring system. The intermediate node may multiplex the video signals from the cameras to the monitoring system. | 2008-10-02 |
20080240697 | Remote View And Controller For A Camera - A device operable with a camera is disclosed which includes a display screen, remote from the camera, and a processor for receiving an image signal of the field of view of the camera and for displaying an image of the field of view of the camera on the display screen. The device communicates with and controls certain camera functions to allow a photographic or video image to be framed and taken from a location remote from the camera. | 2008-10-02 |
20080240698 | ZOOM CONTROL - A device may establish a distance of a device from a reference object. The device may also determine a difference or change in the distance, obtain a zoom value based on the difference or change, and zoom in or out on a view based on the zoom value. | 2008-10-02 |
20080240699 | Focus State Detection Apparatus and Optical Instrument - This invention includes accumulation units ( | 2008-10-02 |
20080240700 | IMAGING APPARATUS AND FOCUSING METHOD - Unless a release button is pressed halfway to input a command to prepare for capturing a still image, a focus lens is moved at predetermined intervals to focus roughly on a subject. When the release button is pressed halfway, the present position of the focus lens is detected. If the position of the focus lens is closer to a lens terminal on a short shooting distance side, the focus lens is moved from the lens terminal on the short shooting distance side toward a lens terminal on a long shooting distance side. If the position of the focus lens is closer to the lens terminal on the long shooting distance side, the focus lens is moved from the lens terminal on the long shooting distance side toward the opposite lens terminal. When an in-focus position is detected while the focus lens is being moved, the focus lens is immediately set at the in-focus position. | 2008-10-02 |
20080240701 | Focus Detection Device, Focusing State Detection Method And Imaging Apparatus - A focus detection device comprises: focus detection elements including light-receiving elements that generate a pair of signals corresponding to a pair of light fluxes each passing through an imaging optical system that includes a lens and an aperture stop; and a focus detector including a processor that determines a focus adjustment state of the imaging optical system with an f-number slower than a full-aperture of the imaging optical system when a specific condition is fulfilled. | 2008-10-02 |
20080240702 | MOBILE DEVICE WITH INTEGRATED PHOTOGRAPH MANAGEMENT SYSTEM - A mobile device comprises a network communication system such as a wide area network mobile telephony system, a camera for capturing a digital photograph, and a photograph management application. The photograph management application receives the digital photograph, obtains an information record comprising information related to the digital photograph; and associates at least a portion of the information related to the digital photograph with the digital photograph. The information record may be obtained from local sources such as a contact directory or from a remote directory server. | 2008-10-02 |
20080240703 | IMAGING APPARATUS - An imaging apparatus has a grip portion, a camera portion, and a monitor portion for displaying an image captured by the camera portion. The camera portion has an imaging optical system and an imaging device for capturing the image of a subject guided by the imaging optical system. The grip portion has a grip casing resembling a flat plate. The casing has a width greater than its thickness and a length greater than the width. The camera portion is connected to a longitudinal end of the grip casing rotatably about a first axis extending along the width. The monitor portion is connected to the camera portion so as to be rotatable together with the camera portion about the first axis and is connected rotatably about a second axis perpendicular to the first axis. The imaging optical system of the camera portion has an optical axis located on the first axis. | 2008-10-02 |
20080240704 | DRIVING MECHANISM - A driving mechanism includes a driven member partially having a spherical surface, piezoelectric units that support the driven member between them and drive the driven member, and a base that holds the piezoelectric units. Each of the piezoelectric units includes a driving portion having a flat surface in contact with the spherical surface of the driven member, a first piezoelectric element that moves the driving portion along a first axis parallel to the flat surface, a second piezoelectric element that moves the driving portion along a second axis that is parallel to the flat surface and intersects the first axis, and a support member that supports the driving portion through the first and second piezoelectric elements. | 2008-10-02 |
20080240705 | Camera bracket - A camera bracket is disclosed which facilitates movement of a camera and its field from the horizontal to the vertical position and maintains the center of the camera lens in exactly the same in relationship to all objects, such as the sun, as long as the photographer does not change position and which maintains the center of the camera lens in the exact same position with respect to any flash that is being used even if the photographer does change position. | 2008-10-02 |
20080240706 | ACTUATOR - An actuator includes a rotor, a stator containing the rotor, and a bearing to support the rotor to be rotatable with respect to the stator about the central axis of the rotor and an axis perpendicular to the central axis. The rotor includes rotor central magnetic poles, a rotor upper magnetic pole, and a rotor lower magnetic pole. The stator includes stator central magnetic poles larger in number than the rotor central magnetic poles, stator upper magnetic poles, stator lower magnetic poles, central coils to appropriately magnetize the stator central magnetic poles, upper coils to appropriately magnetize the stator upper magnetic poles, and lower coils to appropriately magnetize the stator lower magnetic poles. The length of each stator central magnetic pole along a central axis of the stator is larger than a length of each rotor central magnetic pole along the central axis of the rotor. | 2008-10-02 |
20080240707 | Actuator, shutter driving device for camera and method of manufacturing actuator - An actuator includes: a coil for excitation; a stator excited with different magnetic poles by energization of the coil; a rotor magnetized with different magnetic poles in a circumferential direction, and rotated by magnetic force generating between the rotor and the stator; and an outputting member rotated in conjunction with the rotor and outputting rotational movement of the rotor to a member. The outputting member fits onto the rotor, and the rotor has at least one of a recess portion and a projection portion at a fitting surface of the rotor. The outputting member is jointed with the rotor so as to have a shape corresponding to the at least one of the recess portion and the projection portion by welding. | 2008-10-02 |
20080240708 | Focal-plane shutter - A focal-plane shutter has a first plate having a first opening, a second plate having a second opening, a shutter blade disposed between the first plate and the second plate, for opening and closing the first opening and the second opening, and a thin plate disposed at a side of the first plate facing the shutter blade and extending in such a direction that the shutter blade travel. A distance between an edge of the first opening and a center of the first opening is greater than that between an edge of the thin plate and the center of the first opening. | 2008-10-02 |
20080240709 | INTERCHANGEABLE LENS AND IMAGE PICKUP APPARATUS - An interchangeable lens mountable/detachable on/from a camera body is provided with a receiving unit that receives information on photography surroundings and a transmission unit that transmits data for correction of aberration based on the information received by the receiving unit, to the camera body. | 2008-10-02 |
20080240710 | OPTICAL COMMUNICATION SYSTEM, OPTICAL COMMUNICATION APPARATUS, AND METHOD OF MONITORING FAULT ALARM IN PATH SECTION DETOUR - The optical communication system of the present invention is constructed with a data plane and a control plane, and includes a first monitor for monitoring a path alarm on the data plane, a second monitor for monitoring a path alarm on the control plane, and an alarm comparator for comparing alarm statuses of the optical paths that the first monitor and the second monitor preserve, wherein an optical communication apparatus, of which the first monitor and the second monitor both are in a status of having detected the alarm, operate so as to start an operation of avoiding a fault. Such a configuration makes it possible to make a detour only around an appropriate section including a fault location without performing an erroneous operation when a fault has occurred in an optical path, in which a plurality of detour sections, in an all-optical communication system. | 2008-10-02 |
20080240711 | Optical Network Evaluation Systems and Methods - Embodiments of optical network evaluation systems and methods are disclosed. One system embodiment, among others, comprises a processor configured with logic to provide a cross layer model of disturbance propagation in an optical network based on a combination of a physical layer model and a network layer model, the physical layer mode based on the disturbance propagation having a threshold effect only on nodes along a route followed by the disturbance. | 2008-10-02 |
20080240712 | METHOD AND SYSTEM OF MONITORING A DATA TRANSMISSION LINK, PARTICULARLY AN OPTICAL, BIDIRECTIONAL DATA TRANSMISSION LINK - Systems and methods for monitoring a data transmission link, especially an optical, bidirectional data transmission link, in which a digital transmit signal is transmitted on a first transmission path from a local end of the data transmission link toward a remote end of the data transmission link. A portion of the power of the transmit signal sent at the local end is transmitted, delayed by a non-zero delay time on a second transmission path as a control signal toward the remote end of the data transmission link. Both signals are received at the remote end and are tested for the presence of events of a predetermined type. A conclusion can be reached on the quality of the transmission link as a function of a time correlation and frequency of the appearance of events in the received transmit signal and in the received control signal. | 2008-10-02 |
20080240713 | METHOD AND APPARATUS FOR AUTOMATIC RESTORATION DETECTION AND AUTOMATIC RESTORATION OF OPTICAL COMMUNICATION SYSTEM - Methods and apparatuses for automatic restoration detection and automatic restoration of optical communication system are disclosed. In the methods, a first station sends an automatic restoration detection message to a second station at the opposite side of a failed link; in response to receiving an automatic restoration request message, determines that the link has been repaired in two directions, and sends an automatic restoration confirmation message to the second station; or in response to receiving the automatic restoration detection message, determines that the link from the second station to the first station has been repaired, and sends the automatic restoration request message to the second station; in response to receiving the automatic restoration confirmation message, determines that the link has been repaired in two directions; and switching to normal working states. The safety problem that the laser leakage occurs in the failed link is solved. | 2008-10-02 |
20080240714 | STATION TERMINATING DEVICE, SUBSCRIBER TERMINATING DEVICE, COMMUNICATION SYSTEM, CONTROL METHOD OF THE DEVICES, AND RECORDING MEDIUM RECORDED WITH PROGRAM - To shorten the service downtime as a communication system and to provide improved performance in communication by only checking if a device, in which the continuation of communication has become impossible, has recovered, a station terminating device includes: a connection management unit for maintaining without stopping a bandwidth allocation to a connected subscriber terminating device even when receiving a communication inability message from the subscriber terminating device; and a signal existence detection unit for detecting existence of a signal from the subscriber terminating device after receiving the communication inability message from the subscriber terminating device. | 2008-10-02 |
20080240715 | Optical fiber array alignment unit - An optical fiber alignment unit for the easy precise alignment of optical fibers in and array. In a preferred embodiment the positioning array is incorporated twice in an all optical cross connect switch utilizing MEMS mirrors for cross connecting optical fibers in a first set of optical fibers to optical fibers in a second set of optical fibers. The optical fibers are preferably arranged in rectangular arrays. These arrays include array sizes such as 4×8, 16×16 and 8×16. A preferred embodiment built and tested by Applicants is a modular optical switch in which an input 8×16 array of optical fibers from sixteen eight-fiber ribbons are cross-connected into an output 8×16 array of optical fibers also from sixteen eight-fiber ribbons. | 2008-10-02 |
20080240716 | Beam position sensor - A beam direction sensor for determining the direction of each beam in an array of light beams. The invention basically consists of a screen positioned to intersect the array of beams and a video camera to record the position of the images of the intersections. The screen can be any of a wide variety of screens that produce an image of the beams when illuminated with the beam. These include frosted glass and various diffusers. A preferred screen is a holographic diffusers. | 2008-10-02 |
20080240717 | Optical transmitter/receiver module - Efficient absorption of radio wave emission can be ensured from a high frequency signal processing circuit in an optical transmitter/receiver module. The optical transmitter/receiver module pluggable to a communication device includes a housing having openings on an anterior and a posterior ends; an optical connector disposed at the anterior opening; a photoelectric converting unit that converts a wavelength-division multiplexed optical signal, that is input from an optical transmission line connected to the optical connector, into an electric signal; and a high frequency circuit board that performs high frequency signal processing of an electric signal converted by the photoelectric converting unit, whereinat the posterior opening, a connecting terminal of the high frequency circuit board is formed so that it is pluggable to a mother board of a communication device, and wherein radio wave absorbers are arranged in spaces between the top/bottom surfaces of the high frequency circuit board and the housing. | 2008-10-02 |
20080240718 | Free-Space Communications System and Method - Embodiments of the invention are directed to a free-space communications system, a signal transmission platform for a free-space communications system, and a method for free-space communications, that advantageously provide or have the potential to provide measurable improvements in free-space communications over a turbulent atmospheric transmission path. A principal feature of all of the embodiments disclosed herein is the generation of a pseudo-non-diffracting communications signal transmission beam, referred to herein as a ‘non-diffracting signal transmission beam’. A realizable embodiment of such a non-diffracting signal transmission beam known in the art is a Bessel beam. A free-space communications system includes a communications signal transmitter platform that ultimately can generate a particularly specified transmission signal waveform, which is a non-diffracting signal transmission beam. The free-space communications system also includes a communications signal receiver platform that is located along a free-space communications signal transmission path. By modifying the signal light source from Gaussian to Bessel or other non-diffracting type beams, intensity stability under turbulence is improved. This passive technique, by virtue of increased intensity stability, may help to maintain bit error rate performance under turbulence. | 2008-10-02 |
20080240719 | METHOD AND APPARATUS FOR ESTABLISHING SYSTEM DELAY TIME AND FRAME LENGTH IN TIME DIVISION DUPLEXING SYSTEM - A method of establishing a system delay time and a frame length in a Time Division Duplexing (TDD) system includes adjusting time lengths of an uplink (UL) frame, a downlink (DL) frame, a Transmit/receive Transition Gap (TTG), and a Receive/transmit Transition Gap (RTG); a Base Station (BS) transmitting a DL frame and receiving a UL frame; and a Mobile Station (MS) receiving the DL frame and transmitting the UL frame. | 2008-10-02 |
20080240720 | Terminal device, center device, optical communication network system and upstream signal timing control method - An upstream signal timing control method which controls a timing of an upstream optical signal, from a terminal device to a center device, to a timing that the center device intends. Optical clock pulses synchronized with the timing that the center device intends are sent from the center device to the terminal device. The terminal device delay-controls the optical clock pulses and retransmits them to the center device. The center device detects an offset between the timing and a timing of the returned optical clock pulses, and applies timing offset information to the transmitted optical clock pulses. The terminal device performs the delay control in accordance with the timing offset information applied to the received optical clock pulses. When the offset between the timing and the returned optical clock pulse timing is at or below a threshold, the center device verifies completion of timing control of the upstream optical signal. | 2008-10-02 |
20080240721 | OPTICAL RECEIVER, RECEPTION CONTROL METHOD AND RECEPTION CONTROL PROGRAM - An exemplary aspect of the present invention is an optical receiver which is used in an optical transmission system, and which receives an optical signal and converts the optical signal into an electrical signal, the optical receiver comprising a controller, and a delay interferometer, wherein the controller sends, to the delay interferometer, delay information corresponding to a modulation scheme with which the optical signal is modulated, the modulation scheme being any one of an intensity modulation scheme and a phase modulation scheme and the delay interferometer separates the optical signal and causes a delay in one of the separated signals by use of the delay information, thereafter causes an interference between the separated signals, and thereby outputs two optical signals including different interference levels. | 2008-10-02 |
20080240722 | COMMUNICATIONS DEVICE - A transmission device that includes: a radio signal transmission processing section that transmits a radio carrier wave overlaid with transmitting information after being modulated by pulse position modulation; an optical signal transmission processing section that transmits an optical carrier wave overlaid with the transmitting information after being modulated by the pulse position modulation; and a baseband processing section that modulates the transmitting information in accordance with the pulse position modulation of shared use with the radio signal transmission processing section and the optical signal transmission processing section. | 2008-10-02 |
20080240723 | Systems and methods for chirp control of a dual arm Z-modulator to minimize dispersion effect of fiber plant - The present invention provides systems and methods for chirp control of a dual arm Z-modulator to minimize dispersion in the fiber plant. The chirp control is based upon a real-time control loop based upon performance monitoring data between a transmitter and a receiver. Advantageously, the present invention enables improved performance in high-speed optical systems, and in some cases can eliminate or minimize the need for external dispersion compensation fiber (DCF). | 2008-10-02 |
20080240724 | System and method for cable monitoring - Embodiments include methods, apparatus, and systems for cable monitoring. One embodiment includes a method that receives data from an optical transceiver coupled to a cable and a RFID (radio frequency identification) device mounted to the cable. The data from the optical transceiver and RFID device is used to determine an operational status of the cable. | 2008-10-02 |
20080240725 | OPTICAL RECEIVER AND OPTICAL TRANSCEIVER USING THE SAME - A small, low cost, low power-consumption optical receiver transmits signals at a high bit rate of approximately 10 Gbps over a long distance of 100 km or longer without chromatic dispersion compensation. An optical filter with a variable filtering wavelength is provided in the optical waveguide. A frequency-modulated signal light is inputted into the waveguide and transferred to the through port and the drop port thereof. The filter limits the frequency-modulated signal light to a predetermined frequency band and converts the said light to an intensity-modulated signal. The first and second converters provided at the through and drop ports to convert the first and second components of the intensity-modulated signal to electric signals, respectively. The filtering wavelength of the filter is controlled using the electric signals from the first and second converters. The input signal is regenerated from the electric signal of the second converter. | 2008-10-02 |
20080240726 | Phase coded non-return-to-zero optical transmitter - Embodiments of the present invention provide a method and apparatus for producing a phase coded non-return-to-zero (PC-NRZ) optical signal. The method includes providing an input optical signal; providing first and second drive signals, the first drive signal having a first data pattern of first and second signal levels, the second drive signal having a second data pattern, the second data pattern having third and fourth signal levels that toggle at least when the first drive signal changes from the first signal level to the second signal level; and modulating amplitude of the input optical signal with the first drive signal and modulating phase of the input optical signal with the second drive signal to produce the PC-NRZ optical signal. A PC-NRZ optical transmitter and an optical transmission system applying the PC-NRZ optical transmitter are also provided. | 2008-10-02 |
20080240727 | TUNABLE DISPERSION COMPENSATOR - The tunable dispersion compensator | 2008-10-02 |
20080240728 | Electrical generation of return-to-zero (RZ) data pattern with flexible duty cycle adjustment for optical transmission - An electrical return to zero (RZ) encoder converts non-return to zero (NRZ) data, into of RZ data patterns with a flexibility for duty cycle adjustment so that any RZ data pattern may be provided for a specific application's need. A duty cycle of>50% or<50% may be achieved by selecting between a clock signal or its complement and adjusting its delay. | 2008-10-02 |
20080240729 | Data transmission system and transmission code generating method for the same - A data transmission system comprising a transmitter and a receiver. The transmitter comprises a phase encoder for partitioning consecutive bit data to be input in data in units of X bits; and converting a 2 | 2008-10-02 |
20080240730 | FIBER CONNECTIVITY FOR EMERGENCY RESPONSE PERSONNEL - A network may include fiber optic lines and fiber distribution panels connected by the one or more fiber optic lines. At least one of the fiber distribution panels may include an optical fiber connector designated as a connector that is for emergency use. The network may further include a plurality of optical network terminals located at premises of subscribers to the network. | 2008-10-02 |
20080240731 | Optical repeater - On the upstream side of a quantum dot optical amplifier, a polarization beam splitter with one input and two outputs is provided. Two optical fibers connected to output sections of the polarization beam splitter are connected to input sections of the quantum dot optical amplifier in a state that both of the optical fibers have an electric field whose direction being adjusted to maximize its gain, and one optical fiber is twisted by 90.degree. to the other optical fiber. On the downstream side of the quantum dot optical amplifier, a polarization beam splitter with two inputs and one output is provided. Between two optical fibers connected to the polarization beam splitter, one is twisted by 90.degree. to the other. This twisting direction is reverse to the twisting direction of the two optical fibers connected to the input sections of the quantum dot optical amplifier. | 2008-10-02 |
20080240732 | OPTICAL COMMUNICATION MODULE AND CONTROL METHOD THEREOF - An optical communication module includes a driving unit, an optical transmitting unit, a control unit and a signal transform control unit. The driving unit outputs a bias signal and a modulation signal in accordance with a bias control signal and a modulation control signal. The optical transmitting unit is electrically connected to the driving unit, outputs an optical signal in accordance with the bias signal and the modulation signal, and generates a feedback signal. The signal transform control unit is electrically connected to the driving unit and generates the bias control signal and the modulation control signal to be inputted to the driving unit. The control unit is electrically connected to the optical transmitting unit and the signal transform control unit, and controls the signal transform control unit in accordance with the feedback signal. A control method of the optical communication module is also disclosed. | 2008-10-02 |
20080240733 | DISPERSION COMPENSATOR FOR FREQUENCY RESHAPED OPTICAL SIGNALS - An optical transmitter is disclosed including an optical signal source generating a frequency modulated signal encoding data. An optical spectrum reshaper is positioned to receive the frequency modulated signal and converts the frequency modulated signal into a reshaped signal having increased amplitude modulation relative to the frequency modulated signal. A third-order dispersive element is positioned to receive the reshaped signal and is adapted to impose third-order dispersion on the reshaped signal to generate a compensated signal having third-order dispersion effective to compensate for second-order dispersion caused by an optical fiber positioned between the optical transmitter and a receiver. | 2008-10-02 |
20080240734 | Multimode Optical Transmission Device - An optical transmitting circuit ( | 2008-10-02 |
20080240735 | Symmetrical Optical Receiver - The invention relates to a symmetrical optical receiver comprising a photodiode (Ph) and a symmetrical transimpedance amplifier (TIA). The cathode (K) or respectively the anode (A) of the photodiode (Ph) is connected via a first capacitor (C | 2008-10-02 |
20080240736 | Inter-Symbol Interference-Suppressed Colorless DPSK Demodulation - An optical device includes an interferometer for a received optical differential phase shift keying DPSK signal, and an equalizer integrated with the interferometer in a manner for reducing from optical filtering effects an interference by signal bits of the DPSK signal with signal bits of a contiguous DPSK signal. The interferometer is a Michelson delay interferometer type, but can also be a Mach-Zehnder delay interferometer type on fiber, waveguide or other optical structure. The equalizer is a Fabry-Perot type equalizer, but can be a ring resonator type or a fiber based equalizer. | 2008-10-02 |
20080240737 | OPTICAL RECEIVER AND CONTROL METHOD FOR OPTICAL RECEIVER - An optical receiver converting an optical signal modulated by differential phase shift keying to electrical first and second data signals; generating a clock signal from the first data signal; demultiplexing the first data signal into two signals; latching the two signals using the clock signal; delaying the clock signal by a certain amount; latching the two signals using the delayed clock signal; demultiplexing the second data signal into two additional signals; generating an inverted clock signal by inverting the clock signal; latching the two additional signals using the inverted clock signal or the clock signal; and further latching the two additional signals using the delayed clock signal. | 2008-10-02 |
20080240738 | OPTICAL RECEIVER, OPTICAL COMMUNICATION DEVICE, AND OPTICAL SIGNAL RECEIVING METHOD - An optical receiver including a demodulator to convert an in-phase signal of a received differential phase modulated optical signal into a first electrical signal, and to convert a quadrature signal of the received differential phase modulated optical signal into a second electrical signal; a decision member deciding logic states of the first and second electrical signals; a logic controller using the decision result of the decision member to control logic states of the first and second electrical signals; and a memory storing information relating to the decision result. The logic controller controls the logic state using the information relating to the decision result stored in the memory. | 2008-10-02 |
20080240739 | Differential circuit with precisely controlled terminator circuit - The present invention provides a precisely controlled terminator circuit of a differential amplifier, in particular, for a differential amplifier of an optical receiver. The differential circuit, which receives a differential signal by a first input for the normal phase signal and a second input for an anti-phase signal, provides a terminator circuit comprises two resistors connected in serial between two inputs and two resistive connections each including a transistor and a resistor serially connected to the transistor and connected between respective inputs and the power supply line Vcc. The control unit, by receiving a medium potential of two resistors, provides a bias to two transistors so as to equalize the medium potential with the reference potential. | 2008-10-02 |
20080240740 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING SYSTEM - An image processing apparatus is provided that performs image processing based on data received over a prescribed network and includes a number generator generating a number according to a prescribed rule, an apparatus identifier generator using the number generated by the number generator to generate an apparatus identifier distinguishing the image processing apparatus, a communication controller transmitting the apparatus identifier generated by the apparatus identifier generator and receiving address information of a prescribed communication protocol together with the apparatus identifier via the network, and a communication configuration memory storing the address information received by the communication controller, wherein the communication controller uses the address information stored in the communication configuration memory to communicate data with another apparatus on the network. | 2008-10-02 |
20080240741 | IMAGE FORMING APPARATUS, AND METHOD OF CONTROLLING THE SAME - An image forming apparatus according to the invention includes a cooling fan as a cooling device, an image formation processing unit, a changeover unit, a main control unit, a secondary control unit, and a power supply unit. The main control unit and the secondary control unit make an appropriate action in association with each other in the event of the occurrence of an abnormality in the cooling device. The changeover unit is configured to connect the image formation processing unit to the main image formation control unit in the main control unit in a case where power is supplied to the main control unit, and to connect the image formation processing unit to the secondary image formation control unit in the secondary control unit in a case where power supply to the main control unit is stopped by the power supply control unit in the secondary control unit. | 2008-10-02 |
20080240742 | Image forming apparatus - Disclosed an image forming apparatus including: a first input section to receive a setting instruction of an output cycle of sample output; a second input section to receive an instruction of immediate output of the sample output; an image forming section; an ejection section; a control section to count a number of the recording media, the control section judging timing of executing the sample output, based on a counted value of the number of recording media and an set output cycle, the control section ejecting sample output matter according to a judgment result, the control section simultaneously initializing the counted value, the control section allowing the image forming section to form an image and eject the sample output matter when the immediate output of the sample output is instructed with the second input section, the control section simultaneously initializing the counted value. | 2008-10-02 |
20080240743 | Sheet-conveying apparatus and method for detection of multiple-sheet feeding thereof - A sheet-conveying apparatus and a method for detecting multiple-sheet feeding thereof are provided. The sheet-conveying apparatus includes a passageway, a sheet-transporting mechanism and a sheet-detecting device. The sheet-detecting device includes a first transmitter, a first receiver, a second transmitter and a second receiver. The first receiver is for receiving a first signal of a first intensity transmitted from the first transmitter. The second receiver is for receiving a second signal of a second intensity transmitted from the second transmitter. The second intensity of the second signal is not equal to the first intensity of the first signal. The sheet-detecting device further includes an analysis unit for determining if the multiple sheets are conveyed in the passageway, according to the intensities of the signals respectively received by the first receiver and the second receiver. | 2008-10-02 |
20080240744 | IMAGE FORMING APPARATUS AND METHOD TO CONTROL THE SAME - An image forming apparatus includes an output control unit to change an output of an optical sensor to collectively recognize a plurality of print processes for a print job. The output control unit includes a first actuator to recognize whether paper is present in a printing medium cassette and a second actuator to recognize whether paper is being conveyed. This makes it possible to recognize whether paper is present in a printing medium cassette and whether paper is being conveyed based on the output of the optical sensor, thereby reducing a financial burden and preventing a reduction in a task efficiency of an optical sensor installation. | 2008-10-02 |
20080240745 | IMAGE PROCESSOR - An image processor includes a main body and a consumable product which is replaceably installed to the main body is provided with a storage configured to store a table to which a record indicative of a usage status of the consumable product is to be successively added, an installation detection unit configured to detect that the consumable product is newly installed, a judging unit configured to judge whether the newly installed consumable product has been used in the main body continuously or discontinuously when the detection unit detects that the consumable product is newly installed. A usage status detection unit detects the usage status of the consumable product. A controller updates the latest record of the table if the consumable product has been continuously used, while creates a new record to be added to the table if the consumable product has been used discontinuously. | 2008-10-02 |
20080240746 | Image forming apparatus and image forming system - An image forming apparatus includes: a developing device; a replaceable developing material container that contains developing material; a coupling member that couples the developing device to the developing material container; a controller that, when the developing material container is attached and an installation sequence to fill the coupling member with developing material is performed, calculates a value obtained by performing an operation to calculate replacement time of the developing material container, on a developing material amount obtained by subtracting a developing material amount filled in the coupling member from a developing material amount contained in the attached developing material container; and a display that displays information indicating the replacement time of the developing material container-based on the value calculated by the controller. | 2008-10-02 |