40th week of 2009 patent applcation highlights part 46 |
Patent application number | Title | Published |
20090245737 | CONNECTOR HOLDER, OPTICAL-ELECTRICAL CONVERTER WITH ATTACHED CONNECTOR HOLDER, OPTICAL CONNECTOR FIXING STRUCTURE AND CONNECTOR HOLDER ASSEMBLY METHOD - A connector holder fixes an optical connector assembled at a leading end of an optical fiber to an optical module having a light input/output end so that the optical fiber and the light input/output end is optically connected. The connector holder is provided with a holding section for storing at least a part of the optical connector, and a cover section attached to the holding section to be freely opened and closed. The cover section is provided with a cover section main body, and a pressing section which presses the optical connector toward the optical module. | 2009-10-01 |
20090245738 | SYSTEM AND METHOD FOR INSTALLING FIBER OPTIC CABLE - A system and method for installing cable according to which the cable is disposed in conduit. In an exemplary embodiment, the cable is fiber optic cable. | 2009-10-01 |
20090245739 | Optical Cable and Method for Producing an Optical Cable - An optical cable comprises a tight-buffered optical cable and a protective sleeve which surrounds the tight-buffered optical cable. An intermediate layer surrounds the protective sleeve has tension-resistant elements. Furthermore, the optical cable contains a cable sheath which surrounds the intermediate layer, and a transitional area facing its inner surface. In this transitional area, the material of the cable sheath is mixed with the tension-resistant elements of the intermediate layer. | 2009-10-01 |
20090245740 | Optical fiber cables - Described is an optical fiber cable designed for drop cable applications that has a compact profile, and is suitable for both the indoor and outdoor portions of the installation. The new design has three functional units, an optical fiber subunit, and two strength members arranged side-by side on either side of the optical fiber. The overall cable cross section round. In a preferred embodiment, the optical fiber module of the cable has a coupled fiber design. | 2009-10-01 |
20090245741 | OPTICAL WAVEGUIDE - The invention relates to an optical waveguide capable of extracting light especially from arbitrary positions of the same. An object of the invention is to provide an optical waveguide capable of extracting light efficiently from arbitrary positions of the same. To achieve the above object and according to one aspect of the invention, an optical waveguide is provided with a core for guiding light, a clad and a displacing structure for the core to contact the clad. The core has a first refractive index. The clad has a second refractive index higher than the first refractive index. | 2009-10-01 |
20090245742 | SILICA-BASED SINGLE CORE OPTICAL FIBER, SILICA-BASED MULTI CORE OPTICAL FIBER, AND FABRICATION METHOD FOR THE SAME - A silica-based multi core optical fiber and a fabrication method for the same are provided, and include two or more cores of GeO | 2009-10-01 |
20090245743 | Compact, high-density adapter module, housing assembly and frame assembly for optical fiber telecommunications - Adapter modules, housing assemblies that house the adapter modules, and frame assemblies that contain the housing assemblies are disclosed that are all relatively compact and support a relatively high density of components. The modules, assemblies and frames have configurations that take advantage of bend-insensitive cable fibers and jumper fibers. The adapter module is a cassette-like case that allows for a length of cable fiber to be wound tightly therein in a substantially circular loop configuration when closed. The housing assembly houses a plurality of adapter modules and is configured so that the cable and jumper fibers have relatively tight bends within the housing interior. The frame assembly is configured to support a plurality of stacked housing assemblies and to route the jumper fibers through routing conduits and/or routing troughs so that the jumper fibers are enclosed within the frame assembly rather than dangling outside of the frame. The cable fibers enter the back of the housing assemblies via a fiber optic cable arranged at the back of the frame assembly. | 2009-10-01 |
20090245744 | Wall mount distribution arrangement - A wall-mount distribution arrangement including a termination arrangement, a splicing arrangement, and a splitter arrangement. Each of the termination, splicing, and splitter arrangements being located within an interior of a wall-mount enclosure of the distribution arrangement. The arrangement further including a pivoting panel located within the interior of the wall-mount enclosure. The termination arrangement being mounted to a first side of the panel, one of the other of the splicing arrangement and the splitter arrangement being mounted to a second side of the panel. | 2009-10-01 |
20090245745 | Rear latch arrangement for sliding drawer - A cable management panel including a chassis, a drawer, and a rear latch arrangement. The rear latch arrangement including a latch having a free tab end. The free tab end engaging the front edge of a top wall of the chassis to prevent inadvertent closing movement of the drawer relative to the chassis. | 2009-10-01 |
20090245746 | Universal cable management panel - A cable management panel including a chassis and a drawer. The chassis defining rear and side openings for cable entry and exit. The drawer having a front panel that may include angled adapters. The drawer having an open rear that accommodates cables entering from the rear openings of the chassis, and that accommodates the addition of a rear wall. The cable management panel being adaptable to provide a variety of cable routing configurations to accommodate a user's particular cable routing needs. | 2009-10-01 |
20090245747 | TV SCREEN CAPTURE - A method may include receiving, by a video client, a screen capture request, determining a type of screen capture, generating screen capture type information based on a result of determining the type of screen capture, analyzing at least one of screen capture data or screen capture type information, and providing a service to a user of the video client based on the analysis of the at least one of screen capture data or screen capture type information. | 2009-10-01 |
20090245748 | Method and Apparatus for Recording and Reproducing Image - According to one embodiment of the invention, it is possible to provide an instruction unit which instructs movement or replication of contents held by the recording unit, to/in an external recording apparatus provided independently of the recording unit, or a removable recording medium, a power supply state detection unit which detects a state of a power supply, and it is possible to execute an operation of moving or replicating the contents held by the recording unit, to/in the external recording apparatus or a removable recording medium, after a change in the state of a power supply is detected by the power supply state detection unit. | 2009-10-01 |
20090245749 | VIDEO PROCESSING DEVICE - A video processing device includes: encoder for generating a compressed video data by compressing and encoding a video data from camera unit; and system control unit for recording the compressed video data during a recording period from a recording start time to a recording end time as a video file and for recording, into recording memory, additional data as an index file that is information related to a compressed video data to be recorded in recording memory and, for reading the additional data together with the compressed video data from recording memory. System control unit records, into recording memory, the additional data recorded in the index file. The additional data is composed of additional data regarding the compressed video data recorded during the recording period and another additional data including a time code value showing a time at which a compressed video data to be recorded next is started. | 2009-10-01 |
20090245750 | RECORDING APPARATUS - A recording apparatus that has a control unit, a storage unit and a recording unit. The recording unit is configured to record television signals representing programs onto storage device. If a partially recorded program is stored on storage unit, the apparatus is configured to subsequently record and store a full recording of that program. The control unit is configured to insert markers into the full version of the program to indicate the position or positions of the delayed start and/or premature end of the partial recording. The partial recording can thus be deleted from storage unit, but the user of the recording apparatus can still identify the delayed start point and/or premature end point of the partial recording from the full recording. | 2009-10-01 |
20090245751 | Receiving Apparatus, Receiving Method, Recording Apparatus, Recording Method, Program, Recording Medium, and Network System - Disclosed herein is a receiving apparatus for sending received contents to a recording apparatus and for getting the recording apparatus to record the contents in accordance with preset recording reservations, the receiving apparatus including: a recording ready time information acquisition section configured to acquire from the recording apparatus information about a recording ready time; a continuous recording determination section configured to determine whether two chronologically successive broadcast contents are reserved for recording based on the preset recording reservations; and an end time setting section configured such that if the two chronologically successive broadcast contents are found reserved for recording, then the end time setting section sets the time at which to end processing for recording the earlier of the two contents based on a broadcast start time of the latter of the two contents and on the acquired information about the recording ready time. | 2009-10-01 |
20090245752 | IMAGING APPARATUS, CHARACTER INFORMATION ASSOCIATION METHOD AND CHARACTER INFORMATION ASSOCIATION PROGRAM - An imaging apparatus includes: an imaging unit configured to image a subject and output an imaged picture; a picture recording unit configured to record pictures; a playback unit configured to play back a recorded picture recorded in the picture recording unit;
| 2009-10-01 |
20090245753 | Method of reproducing a still picture from a recording medium, method of decoding the still picture and the recording medium - In the method, video data is reproduced from the recording medium, and an I-picture and a number of P-pictures are output as a still picture based on the reproduced video data. The output data may then be received and decoded for display. | 2009-10-01 |
20090245754 | SYSTEM AND METHOD FOR PRODUCING MEDICAL IMAGE DATA ONTO PORTABLE DIGITAL RECORDING MEDIA - This application discloses a system for recording medical image data for production on a portable digital recording medium such as CDs and DVDs. This system includes a receiving module, a processing module and an output module, with viewing program for viewing medical image data stored on the portable digital recording medium. It also discloses a method of storing medical image data on a portable digital recording medium, including the steps of receiving the medical image data, processing the data and storing the data on the portable digital recording medium, with a viewing program for viewing medical image data stored on the portable digital recording medium. It further discloses a method of selecting medical image data for recording on a portable digital recording medium, including the steps of connecting a browsing terminal to a computer database that stores the medical image data, selecting a first set of the medical image data from the computer database, and recording the selected first set of medical image data on the portable digital medium, with a viewing program for viewing the medical image data stored on the portable digital recording medium. It also discloses the method and system of retrieving medical image data that are related to the received/selected original medical image data, and recording the original and related medical image data on a portable digital recording medium. | 2009-10-01 |
20090245755 | METHOD AND SYSTEM FOR IMAGE SCALING DETECTION - A method and system for image scaling detection is provided. Image scaling detection involves receiving a decoded scaled input image having a plurality of pixels, wherein the input image has a scaling ratio relative to an original image; detecting blocking boundary artifact pixels in the image; determining a sum of pixel values for each blocking boundary artifact; detecting the pixel distance value between each pair or neighboring block boundaries; and determining the scaling ratio based on a distance value and said sum of pixel values. | 2009-10-01 |
20090245756 | MANAGING SYNCHRONIZATION OF MEDIA PROGRAMS TO PORTABLE DEVICES - Techniques are disclosed herein for managing the transfer of digital media that is recorded on a source device (e.g., personal video recorder) to a target device (e.g., portable media player). In one aspect, a user interface is provided for scheduling recording of digital media content on a source device and for inputting user preferences for transferring digital media content to be recorded on the source device to a target device. A user request is received in the user interface to schedule recording of digital media on the source device. User preferences for transferring digital media from the source device to the target device are also received in the user interface. The digital media is recorded on the source device per the user's request. Synchronization of the recorded digital media from the source device to the target device is managed based on the user preferences. | 2009-10-01 |
20090245757 | RECORDING SYSTEM WITH CONTINUOUS RECORDING FUNCTION - A recording system used in an electronic device includes a setting module, a recording module, a timing module, a warning module, a storage module and an activating module. The setting module is configured for setting an on/off parameter, an early-warning time, a starting time and an end time of a recording. The recording module is configured for making the recording at the starting time. The timing module is configured for determining a remaining time of the recording. The warning module is configured for comparing the remaining time with the early-warning time, and outputting a warning notification if the remaining time is less than the early-warning time. The storage module is configured for storing the recording. The activating module is configured for reading the on/off parameter and determining whether to activate the recording module to continue for next recording according to the on/off parameter when the recording has concluded. | 2009-10-01 |
20090245758 | VIDEO RECORDING SYSTEM, VIDEO RECORDING APPARATUS, AND VIDEO RECORDING METHOD - A content can be recorded for certain in a video recording system including a video recording apparatus and a video recording and transmitting apparatus. The video recording apparatus includes: a recording control unit that starts recording the content when a period of time indicated by scheduled recording information starts; and a message transmitting unit that transmits recording-state information to the video recording and transmitting apparatus at regular intervals. The video recording and transmitting apparatus includes: a recording-state monitoring unit that determines whether or not the continued reception of a signal has been suspended during the period of time; and a recording control unit that starts recording the content when the recording-state monitoring unit determines that the continued reception of the signal has been suspended. | 2009-10-01 |
20090245759 | TRANSMISSION AND RECEPTION APPARATUS, RECEIVER, AND REPRODUCTION METHOD - A reception apparatus which can link with an external device via a network, and where the external device receives and records a channel signal from broadcasted programs, including: a reception system configured to receive the channel signal from the external device; an output device configured to output the channel signal received by the reception system; and a request unit to send a request for time shift reading to the external device; wherein the external device starts time shift reading of said channel signal according to said request, and the reception system receives the channel signal time shift read and the output device outputs it. | 2009-10-01 |
20090245760 | RECORDING AND PLAYBACK APPARATUS FOR RECORDING AND PLAYING BACK DIGITAL SIGNALS IN ACCORDANCE WITH CAPABILITY OF RECORDING MEDIUM - A recording and playback apparatus of the present invention comprises a part for measuring a speed for recording data into a recording medium, a part for detecting a bit rate of data inputted to this apparatus, a part for changing the bit rate of the data, a part for setting a bit rate to the part for changing the bit rate and a part for detecting the recording medium and recording and reading out data into/from the recording medium. | 2009-10-01 |
20090245761 | LIGHT-EMITTING HEAT TREATMENT APPARATUS - Annular reflecting rings are removably mounted on the upper and lower sides of a chamber side portion of a chamber. An annular recessed portion is formed sandwiched between the lower end face of the upper reflecting ring and the upper end face of the lower reflecting ring to surround a holding part for holding a semiconductor wafer. The outer peripheral surface of the recessed portion communicates with a transport opening. The formation of the recessed portion prevents the light emitted from halogen lamps and flash lamps from being non-uniformly reflected around the holding part to enter a semiconductor wafer, thus improving the uniformity of the in-plane temperature distribution in the semiconductor wafer during heat treatment. | 2009-10-01 |
20090245762 | Oven with light emitting diode and/or laser diode as heating devices - The present invention provides an oven that utilizes light emitting diode (LED) and or laser diode (LD) as heating devices. Such heating devices will enable a wide variety of heating modalities. | 2009-10-01 |
20090245763 | Electric Radiator - The electric radiator ( | 2009-10-01 |
20090245764 | SELF-REGULATING ELECTRIC HEATING SYSTEM - There is described a heating panel comprising: a heat conductive plate having a first surface that is grooveless and planar and an opposite surface thereof; a self-regulating heating cable residing on the first surface; and an insulating layer covering the self-regulating cable and the first surface to direct the heat towards the opposite surface. | 2009-10-01 |
20090245765 | Fluid Heat Exchanger - The present invention relates to a system for increasing the temperature of a fluid being infused into a patient's body while the infusion is taking place. The present invention also provides for improved monitoring of air in the infusion system such to prevent the introduction of air into the patient's body receiving the fluid infusion. The present invention also provides for a system pump which provides a variable flow rate that serves a vast amount of infusion needs and purposes. A disposable cartridge in accordance with the present invention will allow for the efficient transfer of heat energy to the fluid being infused into the patient's body. The cartridge will further ensure that deleterious amounts of air will not be introduced into the patient's body. | 2009-10-01 |
20090245766 | LENS ASSEMBLY AND IMAGING APPARATUS - Taking lenses | 2009-10-01 |
20090245767 | LENS ASSEMBLY AND IMAGING DEVICE - A lens assembly is provided and includes: a plurality of lenses including a first lens located nearest to an object side of the lens assembly and a second lens located adjacent to the first lens; and a lens frame having a hollow part which includes an opening on each of an object side and an image forming side of the lens assembly and into which the plurality of lenses are inserted with their optical axes aligned. Liquid is sealed in a part between the first lens and the second lens. | 2009-10-01 |
20090245768 | PHOTOGRAPHIC APPARATUS - A photographic apparatus comprises a movable platform and a controller. The movable platform has an imager and is movable and rotatable in an xy plane. The controller performs a movement control of the movable platform for a translational movement and an inclination correction during an imaging operation by the imager that commences when a shutter release switch is set to the ON state. The translational movement includes a first stabilization for correcting hand shake caused by yaw and a second stabilization for correcting hand shake caused by pitch. The inclination correction is based on an inclination angle of the photographic apparatus formed by rotation of the photographic apparatus around the optical axis, as measured with respect to a level plane perpendicular to the direction of gravitational force. The controller performs the inclination correction based on the inclination angle that is calculated before the imaging operation commences. | 2009-10-01 |
20090245769 | PHOTGRAPHIC APPARATUS - A photographic apparatus comprises a movable platform and a controller. The movable platform has an imager and is movable and rotatable in an xy plane. The controller performs a movement control of the movable platform for one of a translational movement and a rotational movement. The translational movement includes at least one of a first stabilization for correcting hand shake caused by yaw around the y direction and a second stabilization for correcting hand shake caused by pitch around the x direction. The rotational movement rotates the movable platform in the xy plane. The controller determines which of the translational movement and the rotational movement is to be performed, on the basis of a first hand-shake parameter caused by yaw that is calculated for the first stabilization and a second hand-shake parameter caused by pitch that is calculated for the second stabilization. | 2009-10-01 |
20090245770 | PHOTOGRAPHIC APPARATUS - A photographic apparatus comprises a movable platform and a controller. The movable platform has an imager, and is movable and rotatable in an xy plane. The controller performs a movement control of the movable platform for an inclination correction based on an inclination angle of the photographic apparatus formed by rotation of the photographic apparatus around the optical axis, as measured with respect to a level plane, for a first stabilization for correcting hand shake caused by yaw, and for a second stabilization for correcting hand shake caused by pitch. The controller performs a determination of whether the inclination correction is to be performed, on the basis of a first hand-shake quantity caused by yaw for the first stabilization, a second hand-shake quantity caused by pitch for the second stabilization, and the inclination angle. | 2009-10-01 |
20090245771 | PHOTOGRAPHIC APPARATUS - A photographic apparatus comprises a movable platform, an acceleration sensor, and a controller. The movable platform has an imager, and is movable and rotatable in an xy plane. The acceleration sensor detects a first gravitational component and a second gravitational component. The first gravitational component is the component of gravitational acceleration in the x direction. The second gravitational component is the component of gravitational acceleration in the y direction. The controller calculates an inclination angle of the photographic apparatus formed by rotation of the photographic apparatus around the optical axis, as measured with respect to a level plane perpendicular to the direction of gravitational force, on the basis of a magnitude relation between the absolute value of the first gravitational component and the absolute value of the second gravitational component, and performs a first movement control of the movable platform for an inclination correction based on the inclination angle. | 2009-10-01 |
20090245772 | SHAKING SENSING AND CORRECTION APPARATUS AND METHOD - A shaking sensing unit includes a sensor sensing a rotation about at least one axis, a high pass filter passing only a signal having a frequency not less than a cutoff frequency of the high pass filter, among electrical signals output from the sensor, and a low pass filter passing only a signal having a frequency not greater than a cutoff frequency of the low pass filter and higher than the cutoff frequency of the high pass filter, among the electrical signals output from the sensor. The cutoff frequency of the high pass filter and the cutoff frequency of the low pass filter are variably determined according to a shaking frequency. | 2009-10-01 |
20090245773 | PHOTOGRAPHIC APPARATUS - A photographic apparatus comprises a movable platform, a translational movement switch, a rotational movement switch, and a controller. The movable platform has an imager, and is movable and rotatable in an xy plane. The translational movement switch is for selecting ON/OFF states of a translational movement including a first stabilization and a second stabilization. The first stabilization moves the movable platform in the x direction for correcting hand shake caused by yaw. The second stabilization moves the movable platform in the y direction for correcting hand shake caused by pitch. The rotational movement switch is for selecting ON/OFF states of a rotational movement that rotates the movable platform in the xy plane. The controller controls the movable platform for the translational movement on the basis of the state of the translational movement switch, and the rotational movement on the basis of the state of the rotational movement switch. | 2009-10-01 |
20090245774 | PHOTOGRAPHIC APPARATUS - A photographic apparatus comprises a movable platform and a controller. The movable platform has an imager, and is movable and rotatable in an xy plane. The controller performs a movement control of the movable platform for an inclination correction based on an inclination angle of the photographic apparatus formed by rotation of the photographic apparatus around the optical axis, as measured with respect to a level plane, for a first stabilization for correcting hand shake caused by yaw around the y direction, and for a second stabilization for correcting hand shake caused by pitch around the x direction. The controller performs at least one of a first determination of whether the first stabilization is to be performed and a second determination of whether the second stabilization is to be performed, on the basis of the inclination angle. | 2009-10-01 |
20090245775 | IMAGE PICKUP APPARATUS, CAMERA SYSTEM, AND CONTROL METHOD FOR IMAGE PICKUP APPARATUS - An image pickup apparatus capable of executing photographing using an emission unit that emits light to a subject includes an acquisition unit for obtaining distance-to-subject information based on lens driving information on a taking lens obtained upon focus adjustment, a detection unit for detecting a face of the subject based on an image signal obtained upon image pickup, a distance calculation unit for calculating a distance to subject based on a result of detection by the detection unit, and an emission amount calculation unit for calculating an amount of main emission of the emission unit based on the distance-to-subject information obtained by the acquisition unit and the distance to subject calculated by the distance calculation unit. | 2009-10-01 |
20090245776 | IMAGE CAPTURING DEVICE AND AUTO-FOCUS METHOD THEREOF - An image capturing device includes a lens unit, an image sensor, a face recognition unit, a selecting unit, an auto-focusing (AF) unit and a driving unit. The lens unit focuses images onto the image sensor. The image sensor converts the images into electronic signals. The face recognition unit locates any faces in a current image. If faces are detected, the selecting unit indicates to a user where the faces are located in the image, and selects one of the locations as a main focus area in response to a user input. The driving unit is configured for moving the lens unit. The AF unit controls the driving unit to focus the lens unit according to the selected location. | 2009-10-01 |
20090245777 | Camera System - In a camera system including an interchangeable lens and a camera body, a body controller performs control a drive signal transmission unit to drive a focus lens in a predetermined direction, and transmit a timing signal to the interchangeable lens. The lens controller performs control to detect a position of the focus lens in synchronization with the timing signal received from the camera body and store the detected position in a storage unit. | 2009-10-01 |
20090245778 | Camera System, Camera Body, And Interchangeable Lens - A camera system includes an interchangeable lens and a camera body. A body controller in the camera body performs control to transmit a timing signal and a drive information signal to the interchangeable lens. A lens controller in the interchangeable lens controls drive of a focus lens based on the drive information signal and the timing signal which are received from the camera body. The drive information signal includes information of a driving time which is a period from a start of driving the focus lens until an end of driving the focus lens. | 2009-10-01 |
20090245779 | Mirror moving device and imaging apparatus - A mirror moving device has a mirror configured to change an optical path of an imaging apparatus. The device includes a movable unit having the mirror, a moving mechanism capable of changing an orientation of the mirror between a first position and a second position, and a positioning member configured to be in contact with a predetermined region of the movable unit when the mirror is made to be in the first position, whereby the mirror is positioned in the first position. The predetermined region and the positioning member are magnetic bodies, at least one thereof being magnetized as a permanent magnet. A magnetic attraction acting between the predetermined region and the positioning member when the mirror is in the first position is smaller than a motive force acting on the predetermined region when the mirror in the first position is moved so as to be in the second position. | 2009-10-01 |
20090245780 | Shutter device - A shutter device comprises a base, two electromagnetic valves, two blades, and a cover plate. A first light hole is formed in the center of base. The electromagnetic valve comprises a magnetic core, a coil unit, and a magnetic part. The magnetic cores and coil units are on the base, being axially symmetrical at the periphery of first light hole of the base. The blades join with the corresponding magnetic parts of the electromagnetic valves, in which each of the blades may travel between first and second positions at a degree of freedom to open or shut the first light hole through which rays of light pass. The cover plate is assembled onto the base and provided with a second light hole corresponding to the first light hole. The two magnetic cores are axially symmetrical on the base and lie at the periphery of first light hole. | 2009-10-01 |
20090245781 | APPARATUS AND METHOD FOR DETECTING TIMESLOT CONFLICT BETWEEN OPTICAL NETWORK UNITS IN OPTICAL COMMUNICATION NETWORK - The objective of the present invention is to provide a solution for detecting timeslot conflict between Optical Network Units (ONUs) in an Optical Line Terminal (OLT). When all ONUs are deactivated and there is still any light signal in the upstream, each ONU is notified to switch off the power supply of its transmitter one by one to detect whether there is any failure ONU; when all ONUs are deactivated and there is no light signal in the upstream, the failed ONU can be located through ranging the ONUs separately. The solution can be implemented through software update, without affecting the intrinsic hardware design. | 2009-10-01 |
20090245782 | NETWORK CONNECTION DEVICE AND SIGNAL PROCESSING METHOD IN THE NETWORK CONNECTION DEVICE - A network connection device for performing a process of transmitting and receiving a SONET/SDH frame includes a first protocol processor which processes a first network management protocol; a second protocol processor which processes a second network management protocol; a frame header extractor which extracts a header from the received SONET/SDH frame; and a protocol identifier which identifies a network management protocol based on the extracted frame header. The network connection device selects one of a control signal outputted from the first protocol processor and a control signal outputted from the second protocol processor based on a result of the identification, and outputs the control signal. | 2009-10-01 |
20090245783 | METHOD AND SYSTEM FOR PROVIDING FAULT RECOVERY USING COMPOSITE TRANSPORT GROUPS - An approach is provided for performing fault recovery using composite transport groups (CTGs). A first logical channel is established within a composite transport group, wherein the first logical channel is established over a first link associated with a first service provider to a customer premise equipment (CPE) node configured to transport packets. A second logical channel is established within the composite transport group, wherein the second logical channel is established over a second link associated with a second service provider to an optical node. Packets are received over the first logical channel. Packets are received over the second logical channel if the first logical channel experiences a fault condition, wherein switching to the second logical channel is transparent to the CPE node. | 2009-10-01 |
20090245784 | CENTRALIZED CONGESTION AVOIDANCE IN A PASSIVE OPTICAL NETWORK - In one aspect, a method for congestion avoidance in a passive optical network having an optical line terminal communicatively connected to a plurality of optical network termination devices is provided. A dynamic bandwidth allocation information is periodically requested from the optical network termination device and the optical line terminator receives the response to the request. An adjusted bandwidth allocation for the optical network termination device is determined by the optical line terminator. The optical line terminator determines a packet-drop command to be taken at the optical network termination device. The adjusted bandwidth allocation and the packet-drop command are sent to the optical network termination device. | 2009-10-01 |
20090245785 | OPTICAL RECEIVER - An optical receiver in which a failure in a certain channel affects no other channels is provided. An optical receiver inputs DQPSK optical signals supplied from the outside into each of first and second delay interferometers and reproduces optical output from the first and second delay interferometers as binary non-return-to-zero (NRZ) signals of first and second channels by first and second An optical receiving elements. The delay time of the first and second delay interferometers is performed a feedback control by a control system independent for each of the first and second channels. | 2009-10-01 |
20090245786 | OPTICAL COMMUNICATION SYSTEM, METHOD OF MEASURING OPTICAL TRANSMISSION LINE IN THE OPTICAL COMMUNICATION SYSTEM, TRANSMITTING STATION, AND RECEIVING STATION - According to halt of a Raman pumping light source, a transmitting light power of a first light which is subject to receive a Raman gain is controlled to increase. In this state, a first input/output light power for a first light of an optical transmission line is measured, the first input/output light power being used for determining a reference of loss characteristic of the optical transmission line. A second input/output light power for a second light of the optical transmission line is measured, the second light not being subject to receive the Raman gain, the second input/output light power being used for determining a fluctuation of the reference. | 2009-10-01 |
20090245787 | CHARACTERIZATION AND CONTROL OF OPTICAL DISPERSION COMPENSATING ELEMENT - An apparatus and method are applied to characterizing an dispersion-affecting element for use in controlling chromatic dispersion in an optical communications link. Information regarding the behavior of the dispersion-affecting element is recorded and stored in a medium that is provided for deployment with the dispersion-affecting element to enable improved management and active control of the dispersion-affecting element. The suitability of the dispersion-affecting element for operating under different conditions may also be characterized. | 2009-10-01 |
20090245788 | INTEGRATED OPTICAL COMMUNICATION AND RANGE FINDING SYSTEM AND APPLICATION THEREOF - The present invention is directed toward systems for conducting laser range and enabling optical communication between a plurality of entities and to the application of such systems in a secure covert combat identification system. In one embodiment, the present invention uses a novel laser system that generates high pulse rates, as required for optical communications, while concurrently generating sufficiently high power levels, as required by laser range finding operations. One application of the present invention is in enabling secure covert communications between a plurality of parties. Another application of the present invention is in tracking and identifying the movement of objects. | 2009-10-01 |
20090245789 | Methods and Apparatus for Optical Modulation Amplitude Measurement - Techniques for measuring optical modulation amplitude (OMA) are disclosed. For example, a technique for measuring an OMA value associated with an input signal includes the following steps/operations. The input signal is applied to a photodetector, wherein the photodetector is calibrated to have a given responsivity value R, and further wherein the photodetector generates an output signal in response to the input signal. The output signal from the photodetector is applied to a radio frequency (RF) power meter, wherein the RF power meter measures the root mean squared (RMS) power value of the output signal received from the photodetector. The OMA value associated with the input signal is determined in response to the root mean squared (RMS) power value measured by the RF power meter. The OMA value may be determined as a function of a factor F derived from a relationship between an amplitude of a data signal and the RMS value of the data signal. | 2009-10-01 |
20090245790 | PASSIVE OPTICAL NETWORK SYSTEM AND OPERATION METHOD OF THE SAME - In a passive optical network system, in order that by measuring a transmission distance and a transmission time between an OLT and an ONU in operation of the system, if the distance or the time is short, communication is conducted at a high transmission speed to increase a capacity of user; if the distance or the time is long, communication is conducted at a low transmission speed to increase the capacity of user communicating in a state in which a predetermined quality is secured, a main station includes a signal communication circuit to communicate with subsidiary stations at a first or second transmission speed and a controller to measure a transmission distance or a transmission time between the main station and each subsidiary station. Based on a result of the measurement, the controller selects a transmission speed for communication with the subsidiary station. | 2009-10-01 |
20090245791 | Method and System for Fibre Channel and Ethernet Interworking - Certain aspects of a method and system for Fibre Channel and Ethernet interworking may include receiving by a central processing unit (CPU), one or more requests for discovery of one or more Fibre Channel (FC) switches based on a Fibre Channel initialization protocol (FIP). The CPU may be operable to facilitate, via a network switch, a proxy login into the one or more FC switches based on the FIP for one or more servers. The one or more servers may be operable to directly communicate and/or receive packets to/from the FC switches via the network switch. The network switch may be operable to determine a destination address of one or more servers based on the facilitated proxy login by the CPU if the one or more servers utilize fabric provided MAC addresses (FPMA) or utilize a MAC address table if the one or more servers utilize server provided MAC addresses (SPMA). | 2009-10-01 |
20090245792 | NETWORK SYSTEMS AND COMMUNICATIONS EQUIPMENT - A duplicate system includes an active side (0 side) and a standby side (1 side). An OLT includes an autodiscovery function which, when the OLT is active, determines the next starting time of autodiscovery procedure of the standby side and notifies the standby side of the above starting time, a table of management information that holds the line information of a partner with which the OLT forms the duplicate system and the next starting time of autodiscovery procedure of the OLT, and a function of switching active side that calculates a timing of switching active side. A function of receiving data from ONT in the OLT includes a function of detecting data sequence number and a function of detecting queue length. Moreover, a function of sending data of ONT includes a function of assigning sequence number and a function of discarding data. | 2009-10-01 |
20090245793 | Mapping a Client Signal into Transport Frames - Embodiments of the present invention provide a systems, devices, and methods in which a client signal is divided into a plurality of channels, mapped within transport frames, and combined into a WDM transport signal. These embodiments include intra-nodal redundancy that protects against failure events within the transport transmitter. In particular, redundancy is provided within a network transport transmitter such that redundant paths are available so that electrical channels may be routed around a malfunctioning component within the transmitter. | 2009-10-01 |
20090245794 | Controllable Optical Multiplexer - An inventive controllable optical multiplexer for control of multiplexing channels in a fiber-optic communication system provided with 2 | 2009-10-01 |
20090245795 | HIGH CAPACITY TRANSMITTER IMPLEMENTED ON A PHOTONIC INTEGRATED CIRCUIT - A high capacity optical transmitter implemented on a photonic integrated circuit chip comprises a single light source which supplies a continuous wave having a particular wavelength to a plurality of modulators to form modulated optical information signals. A phase shifter is coupled to at least one of the modulators and is used to shift the phase of the corresponding modulated optical information signal associated with a particular modulator. A polarization beam combiner receives each of the modulated optical information signals from the modulators and the modulated optical information signal from the phase shifter and combines each of these signals to form a polarization multiplexed differential quadrature phase-shift keying signal. The light source, the plurality of modulators, the phase shifter and the polarization beam combiner are all integrated on the chip. | 2009-10-01 |
20090245796 | OPTICAL RECEIVER INCLUDING A FILTER ON A PLANAR LIGHTWAVE CIRCUIT - A planar lightwave circuit (PLC) includes a substrate, a tunable filter, a demultiplexer (DEMUX), and an optical processor each disposed on the substrate. The tunable filter is configured to filter at least one of a bandwidth or a wavelength of a Wavelength Division Multiplexed (WDM) optical input signal. The DEMUX is connected to the tunable filter and configured to receive a filtered WDM optical input signal at an input and to supply one of a plurality of channels of the filtered WDM input signal at a respective one of a plurality of outputs. Each of the plurality of channels corresponds to one of a plurality of wavelengths of the filtered WDM input signal. The optical processor includes a bit-delay interferometer communicating with a respective one of the plurality of outputs of the DEMUX. The optical processor is configured to receive one of the plurality of channels from the DEMUX and output a plurality of demodulated optical signal components. | 2009-10-01 |
20090245797 | COMMUNICATION SYSTEM AND APPARATUS - A communication system includes a first communication apparatus included in an initial station, the first communication apparatus transmitting a signal to the intermediate station on a later stage, the first communication apparatus receiving a signal sent from the terminal station and passed through the intermediate station, a second communication apparatus included in the intermediate station, the second communication apparatus receiving a signal from a preceding station and transmitting the signal to a later station, the second communication apparatus passing a signal from the later station to the preceding station, and a third communication apparatus included in the terminal station, the third communication apparatus receiving a signal from the intermediate station on a preceding stage, the third communication apparatus transmitting a signal being passed through the intermediate station and being received at the initial station. | 2009-10-01 |
20090245798 | OPTICAL CIRCUIT AND RECEIVER CIRCUIT - An optical circuit that converts a phase-modulated optical signal into intensity-modulated signal light in accordance with a phase, the optical circuit including a square mode distribution forming portion that forms a plurality of interfering signals each assuming a square mode shape, the interfering signals having respective phases shifted from each other by a certain angle, a light interference portion that creates a signal having a certain mode distribution, from the interfering signal, and that applies a Fourier transform to the signal having the certain mode distribution, and an output portion that has a plurality of waveguides each provided in correspondence with the phase and that outputs an optical signal that has been output from the light interference portion. | 2009-10-01 |
20090245799 | PROTECTED LIGHT SOURCE FOR MULTIPLE WAVELENGTH DIVISION MULTIPLEXED PASSIVE OPTICAL NETWORKS (WDM-PONS) - A protected light source for generating seed light for at least two wavelength division multiplexed passive optical networks (WDM-PONs). The protected light source includes an optical coupler having N≧2 input ports and M≧2 output ports, each output port being optically connected to supply seed light to a respective set of one or more WDM-PONs. A respective multi-wavelength light source (MWLS) is optically coupled to supply seed light to each input port of the optical coupler. A controller unit controls operation of each multi-wavelength light source (MWLS). | 2009-10-01 |
20090245800 | OPTICAL MODULE IMPLEMENTED WITH TRI-PLEXER OPTICAL SUBASSEMBLY - An optical module that implements with a tri-plexer assembly is disclosed. The tri-plexer module comprises a bi-directional module for transmitting digital input and output signals and an analogue optical assembly for receiving analog optical signals. The bi-directional module installs both a light-emitting device and a light-receiving device in a signal package. The analogue optical assembly is assembled such that the optical axis thereof makes a substantially right angle with the optical axis of the bi-directional module. The signal ground of the module is common to the analogue module and to a section for receiving the digital data; while, the chassis ground or the frame ground in the module is isolated from the signal ground. | 2009-10-01 |
20090245801 | RECEIVER ON A PHOTONIC IC - An optical receiver includes a first substrate including a demultiplexer and a first optical waveguide array. An input of the demultiplexer is configured to receive a wavelength division multiplexed optical input signal having a plurality of channels. Each of the plurality of channels corresponds to one of a plurality of wavelengths. Each of the plurality of outputs is configured to supply a corresponding one of the plurality of channels. The first optical waveguide array has a plurality of inputs. Each of the inputs of the first optical waveguide array is configured to receive a corresponding one of the plurality of channels. A second substrate is in signal communication with the first substrate and includes an optical detector array. The optical detector array has a plurality of inputs, each of which is configured to receive a corresponding one of the plurality of channels and generate an electrical signal in response thereto. | 2009-10-01 |
20090245802 | SYSTEM AND METHOD FOR DUAL WAVELENGTH COMMUNICATIONS OF A CLOCK SIGNAL - A system and method for synchronizing a clock signal. Data traffic is received through a first channel of a fiber optic. A clock signal is received through a second channel of the fiber optic. A clock at a node is disciplined with the clock signal. The clock signal is sent from the clock to one or more interfaces within a node. | 2009-10-01 |
20090245803 | SYSTEM AND METHOD FOR REDUCTION OF INFRARED NOISE DURING COMMUNICATION BETWEEN CONSUMER APPLIANCES - A system and method for facilitating infrared (IR) communications from a first device, such as a set top box, to a second device, such as a remote control, in the presence of an IR noise generating device, such as a plasma television, by using at least one of the first device and the second device to actively reduce a level of IR noise being generated by the IR noise generating device during an IR transmission from the first device to the second device. | 2009-10-01 |
20090245804 | SYSTEM AND METHOD FOR IMPROVED INFRARED COMMUNICATION BETWEEN CONSUMER APPLIANCES - Optical or electrical attenuation is provided at the infrared (IR) receiver of a first device, such as a remote control, together with a commensurate increase in output of the IR transmitter of an appliance, such as a set top box, to improve the signal-to-noise ratio of IR communications with respect to any background infrared radiation, such as radiation from a plasma display screen. | 2009-10-01 |
20090245805 | System and Method for Communicating Wireless Data Utilizing a Passive Optical Network - In one embodiment, a method for providing wireless communications utilizing a passive optical network (PON) is disclosed. The method includes receiving, at a PON, downstream packets from a base station destined for a mobile station, and transmitting the downstream packets to wireless transceivers associated with PON. The method also includes receiving, at the first wireless transceiver communicatively coupled to a first optical network terminal (ONT), the downstream packets from the first ONT and transmitting a first wireless signal comprising the downstream packets to a first cell. The method also includes receiving, at a second wireless transceiver communicatively coupled to a second ONT, the downstream packets from the second ONT and transmitting a second wireless signal comprising the downstream packets to a second cell. | 2009-10-01 |
20090245806 | VISIBLE LIGHT COMMUNICATION APPARATUS - A visible light communication apparatus is constituted with a transmitter for illuminating and projecting visible light on which an information signal is superimposed from a lamp fitting and a receiver for receiving the visible light to take out the information signal superimposed on the visible light. The transmitter modulates a transmission information signal, driving a light projecting element of the lamp fitting so as to superimpose the transmission information signal on the visible light of the lamp fitting, thereby radiating white light containing a blue light component as visible illumination light. The receiver receives the white visible light containing the blue light component radiated from the transmitter and generates a receiving information signal from the light receiving signal on a receiving circuit. A blue light photodiode which receives blue light at the highest sensitivity to output a light receiving signal is used as a light receiving element of the light receiving unit. The lamp fitting for radiating the white light containing the blue light component on the side of the transmitter as visible illumination light and the blue light photodiode for receiving blue light on the side of the receiver at the highest sensitivity can be used to perform visible light communications at high speed, while illuminating by the white light. | 2009-10-01 |
20090245807 | OPTICAL POWER MONITORING CIRCUIT, OPTICAL TRANSCEIVER, OPTICAL MODULE, OPTICAL RECEIVER, AMPLIFIER CIRCUIT, AND INTEGRATED CIRCUIT - Optical power monitoring capable of achieving a wide dynamic range and high-speed response is realized. An optical power monitoring circuit includes: a first amplifier (TIA | 2009-10-01 |
20090245808 | METHOD AND SYSTEM FOR INTER-CHIP COMMUNICATION VIA INTEGRATED CIRCUIT PACKAGE WAVEGUIDES - Methods and systems for inter-chip communication via integrated circuit package waveguides are disclosed and may include communicating one or more signals between or among a plurality of integrated circuits via one or more waveguides integrated in a multi-layer package. The integrated circuits may be bonded to the multi-layer package. The waveguides may be configured via switches in the integrated circuits or by MEMS switches integrated in the multi-layer package. The signals may include a microwave signal and a low frequency control signal that may configure the microwave signal. The low frequency control signal may include a digital signal. The waveguides may comprise metal and/or semiconductor layers deposited on and/or embedded within the multi-layer package. | 2009-10-01 |
20090245809 | Optical transmission system - An optical transmission system capable of efficiently reducing waveform distortion of an optical signal. A transmitting-side distortion compensation coefficient storage of a transmitting station stores transmitting-side distortion compensation coefficients for compensating for waveform distortion of an optical signal to be transmitted to a receiving station. A transmit signal processor performs distortion compensation on the optical signal on the basis of a suitable transmitting-side distortion compensation coefficient stored in the transmitting-side distortion compensation coefficient storage. A transmitter transmits the distortion-compensated signal to a transmission path. A receiver of the receiving station receives the optical signal from the transmission path. A receiving-side distortion compensation coefficient storage stores receiving-side distortion compensation coefficients for compensating for waveform distortion of the optical signal received by the receiver. A received signal processor performs distortion compensation on the received optical signal on the basis of a suitable receiving-side distortion compensation coefficient. | 2009-10-01 |
20090245810 | Dynamic Signal Equalization in Optical Transmission Systems - In an optical transmission system, data is transmitted via an optical beam modulated with an arbitrary waveform. The optical beam is transmitted through at least one optical element. Transmission through at least one optical element degrades the signal quality of the initial optical beam. The signal characteristics of at least one optical beam at the output of least one optical element are used as feedback to shape the arbitrary waveform to improve signal characteristics. An arbitrary waveform may be used to compensate signal degradation caused by a multiplexer/demultiplexer in a wavelength division multiplex system. | 2009-10-01 |
20090245811 | HIGH BANDWIDTH COMMUNICATION SYSTEM AND METHOD - A communication system ( | 2009-10-01 |
20090245812 | OPTICAL TRANSMISSION CIRCUIT - Provided is an optical transmission circuit capable of realizing a high-quality optical signal waveform with low power consumption. An optical transmission circuit ( | 2009-10-01 |
20090245813 | Modulator driver with multi-channel active alignment - Modulator driver for driving an electro-optical modulator in a high-speed optical communications system. In accordance with aspects of the present invention, a modulator driver is presented comprising an active signal splitter providing a first pair and a second pair of differential output signals, each pair of differential output signals input to a separate variable delay circuit, each variable delay circuit in turn feeding an output buffer, whereby one signal from each output buffer is used as an output drive signal, and the other signal from each output buffer is input to a phase processor which is used to actively control said variable delay circuits, whereby the circuit architecture is compatible with compact, monolithic fabrication requiring a minimal amount of external components for operation. Other methods and apparatus are presented. | 2009-10-01 |
20090245814 | OPTICAL COMMUNICATIONS - A method of transmitting a plurality n data streams comprises modulating an optical carrier using differential M-ary phase shift key (DMPSK) signalling in which M=2 | 2009-10-01 |
20090245815 | Apparatus and method for frequency offset monitoring used in digital coherent optical receiver - The present invention discloses a frequency offset detecting apparatus and method for use in a digital coherent optical receiver. The digital coherent optical receiver comprises: a front-end processing section for generating a digital baseband electric signal; an equalizer for performing equalized filtering on the digital baseband electric signal; and the frequency offset detecting apparatus for detecting frequency offset contained in the digital baseband electric signal or frequency offset contained in a signal outputted by the equalizer; wherein the frequency offset detecting apparatus comprises an argument difference obtaining unit, a first subtracter, a second subtracter, a quantizer and an averager, of which the argument difference obtaining unit obtains an argument difference of adjacent symbols in a signal inputted therein; the first subtracter subtracts an output of the averager from the argument difference obtained by the argument difference obtaining unit; the quantizer performs uniform quantization with predetermined intervals on an output of the first subtracter; the second subtracter subtracts an output of the quantizer from the argument difference obtained by the argument difference obtaining unit; and the averager averages an output of the second subtracter. | 2009-10-01 |
20090245816 | Filter coefficient changing apparatus and method - The present invention discloses filter coefficient changing apparatus and method for use in a dual-polarized optical coherent receiver. The apparatus comprises a controlling unit, a switching unit and a new coefficient obtaining unit. The switching unit is connected between a first filter coefficient updating unit and a first filtering unit and a second filtering unit; the new coefficient obtaining unit generates new filter coefficients for the first filtering unit and the second filtering unit in accordance with filter coefficients outputted by a second filter coefficient updating unit; and the controlling unit generates a control signal that controls switching of the switching unit. Upon reception of the control signal, the switching unit breaks off output of the filter coefficients from the first filter coefficient updating unit, transmits new filter coefficients from the new coefficient obtaining unit to the first filtering unit and the second filtering unit, and subsequently resumes the output of the filter coefficients from the first filter coefficient updating unit to the first filtering unit and the second filtering unit. | 2009-10-01 |
20090245817 | Image Forming Apparatus - An image forming apparatus has: an image forming unit which is configured to scan a laser beam in a main scanning direction to expose a photosensitive member, and which forms an electrostatic latent image on the photosensitive member to form an image; a process cartridge that is detachably mounted within the image forming apparatus, the process cartridge holding the photosensitive member on which the electrostatic latent image is formed, and configured to develop the electrostatic latent image by supplying toner to the electrostatic image; and an origin detection unit that is provided on the process cartridge in a position lying within a range of an optical path of the laser beam and out of a range of an optical path of the laser beam for forming the electrostatic latent image, the origin detection unit configured to detect an origin of the laser beam for scanning and exposing. | 2009-10-01 |
20090245818 | IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, IMAGE FORMING METHOD AND COMPUTER READABLE MEDIUM STORING PROGRAM - An image forming apparatus includes: a paper feeding device that supplies paper; a reception unit that receives a print instruction including output control information in which a paper type is designated by page; a setting unit that sets a priority in paper change by paper type based on the output control information included in the print instruction received by the reception unit; an instruction unit that issues a paper change instruction based on the priority set by the setting unit; and a printing device that performs printing on paper of a type designated by the instruction unit. | 2009-10-01 |
20090245819 | Image forming apparatus - An image forming apparatus includes an image forming portion for forming an image using developer; a transfer unit for transferring the image to a medium transported thereto; a first detection unit disposed at a specific position for detecting the image thus transferred; and a second detection unit disposed to face the first detection unit for detecting a distance to the medium so that the first detection unit detects a detection result of the second detection unit. | 2009-10-01 |
20090245820 | IMAGE FORMING APPARATUS - An image forming unit includes an image supporter configured to be rotatable, and an amount detecting unit configured to rotate with a predetermined period to detect an amount of remaining developer. A rotation period of the amount detecting unit is an integral multiple of a rotation period of the image supporter. | 2009-10-01 |
20090245821 | IMAGE FORMING APPARATUS AND IMAGE CONTROL METHOD - An image forming apparatus | 2009-10-01 |
20090245822 | IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER PROGRAM PRODUCT - A patch-pattern forming unit causes an image forming unit to form a patch pattern including a plurality of patches on a conveying member. A detecting unit detects the patch pattern formed on the conveying member. An adjusting unit adjusts an image forming condition of the image forming unit based on a result of detection by the detecting unit. The patch pattern has a length substantially equal to a distance between a patch-pattern start position, which is located at a space corresponding to at least a predetermined margin of a recording medium from a position of the image, and a position of the detecting unit. | 2009-10-01 |
20090245823 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developing device includes a housing that forms a development chamber therein and a developer containing portion that forms a developer containing chamber therein and contains a one-component developer. A first transport path supplies a developer from the developer containing chamber to an upper side of the development chamber. A second transport path collects a developer from a lower side of the development chamber to the developer containing chamber. A developer carrier is disposed in the development chamber and carries a developer thereon. A developer supply member is disposed in the development chamber and supplies a developer to the developer carrier. A regulating member is in contact with the developer carrier and regulates a developer on a surface of the developer carrier. Stirring of the developer in the development chamber is performed by driving the first transport path and the second transport path to transport the developer. | 2009-10-01 |
20090245824 | IMAGE FORMING DEVICE AND IMAGE FORMING METHOD - An image forming device that includes a first moisture amount derivation component, a drying component, a storage component, and a control component is provided. The storage component stores drying information, including information representing a pre-drying moisture amount previously derived by the first moisture amount derivation component, and a drying strength of the drying component at which a recording medium was dried when the previously derived pre-drying moisture amount was derived. The control component controls the drying strength of the drying component on the basis of the pre-drying moisture amount derived by the first moisture amount derivation component and the drying information stored by the storage component. | 2009-10-01 |
20090245825 | Image Forming Apparatus - An image forming apparatus includes: a detected member of which a temperature is to be detected; a temperature sensor including a contact portion provided to contact the detected member, the temperature sensor being configured to detect the temperature of the detected member; and a condition determining unit. The condition determining unit is configured to control electric power supplied to the temperature sensor such that the temperature sensor self-heats during a heating time period, and determine a condition of the contact portion based on the temperature detected by the temperature sensor after the temperature sensor starts self-heating. | 2009-10-01 |
20090245826 | Image Forming Apparatus - An image forming apparatus is provided, which includes: an image forming unit; a fixing unit having a heating part; a rotary drive unit; a driving force transmission unit including a displacement part displaceable to a transmitting position where rotation of the rotary drive unit is transmitted to the fixing unit and a non-transmitting position where the rotation of the rotary drive unit is not transmitted to the fixing unit; a cover configured to cover the heating part; a lock unit configured to selectively lock the cover; and a link unit configured to link the lock unit with the displacement part so that the lock unit locks the cover when the displacement part is displaced to the transmitting position and unlocks the cover when the displacement part is displaced to the non-transmitting position. | 2009-10-01 |
20090245827 | IMAGE FORMING APPARATUS AND CONTROL METHOD OF IMAGE FORMING APPARATUS - In a second mode to form an image based on a pre-designated type of recording medium, a detection is performed to a recording medium which is fed, and in a first mode to form an image based on the detected type, image forming conditions are set based on a result of the sheet type detection in the second mode without executing the sheet type detection. | 2009-10-01 |
20090245828 | IMAGE FORMING APPARATUS - An image forming apparatus includes: an image formation control unit for forming print images on an image carrier and for forming a reference toner pattern having a predetermined size between the print images formed on the image carrier; a reference image density detecting unit for detecting a image density of the reference toner pattern; and an image forming condition adjusting unit for adjusting an image forming condition based on the image density detected by the reference image density detecting unit. If a toner amount of one or plurality of the print images is greater than a predetermined value, the image formation control unit prevents any further adjustment operation performed by the image forming condition adjusting unit. | 2009-10-01 |
20090245829 | Image Forming Apparatus - An image forming apparatus comprises an image carrier configured to hold a developing agent image; a transfer unit that transfers the developing agent image to a recording medium; a first application unit that controls a transfer voltage applied to the transfer unit; a recovery unit that recovers the developing agent remaining on the image carrier; a second application unit that controls a recovery voltage applied to the recovery unit; a determination unit that determines whether or not a recovery current flowing between the image carrier and the recovery unit exceeds a first predetermined current value; and a control unit that, when the determination unit makes a positive determination that the recovery current has exceeded the first predetermined current value, performs a protective control for controlling the first application unit such that a transfer current flowing between the image carrier and the transfer unit becomes greater. | 2009-10-01 |
20090245830 | Image Forming Apparatus - An image forming apparatus is provided. A second photoconductor is disposed at a downstream side of a first photoconductor in a moving direction of a medium. First and second exposure units form first and second electrostatic latent images on the first and second photoconductors line by line at first and second exposure timing intervals in first and second exposure enabling time periods based on successive lines of first and second image data, respectively. A correction unit corrects at least one of the first and second exposure timing intervals. A change unit changes the second exposure enabling time period so as to suppress a difference between the number of the successive lines of the first image data and the number of the successive lines of the second image data. | 2009-10-01 |
20090245831 | IMAGE FORMING APPARATUS - An image forming apparatus including: an image carrier; an exposure section that deflects an optical beam using a rotating polygon mirror to expose a surface of the image carrier; a developing section that supplies a toner in order to visualize an electrostatic latent image formed by the exposure section on the image carrier with a toner; and a control section that controls at least the exposure section and the developing section, wherein the control section controls the exposure section and the developing section so as to form a solid image for correction on a non image area which passes through an exposure position in a period within which a plane phase of the rotating polygon mirror is corrected among non image areas between imaging areas on the image carrier. | 2009-10-01 |
20090245832 | DEVELOPMENT CARTRIDGE, DEVELOPMENT UNIT, AND IMAGE FORMING APPARATUS - A development cartridge includes: a developer carrier which carries toner; a toner supply member which supplies the toner to the developer carrier; a regulation member which regulates an amount of toner on the developer carrier; a development chamber which has the developer carrier and the toner supply member; a transport section which is connected to an upper portion and a lower portion of the development chamber to transport the toner from the lower portion of the development chamber to the upper portion of the development chamber; a transport member which is disposed inside the transport section and transports the toner while agitating the toner; an input member which inputs a print image; and a control member which controls a toner transport speed of the transport member in accordance with the print image. | 2009-10-01 |
20090245833 | Development Device, Image Forming Apparatus and Image Forming Method - A development device includes a developer carrier | 2009-10-01 |
20090245834 | Image Forming Apparatus - The image forming apparatus includes a transfer device, an applying circuit, a computation circuit, and a controller. The applying circuit applies transfer bias voltage to the transfer device. The computation circuit derives relational expressions (a linear expression and a quadratic expression) according to control signal value calculating zones (a linear-expression and a quadratic-expression computing zones). Each relational expression shows relationship between the control signal value (PWM_Duty) for the applying circuit and the transfer current It generated by the transfer bias voltage. The control signal value calculating zones are divided by a preset control signal value (computation changing Duty). Then, the computation circuit calculates a target control signal value that corresponds to a target transfer current value using the derived expressions and according to the calculating zone. | 2009-10-01 |
20090245835 | PRINTER INCLUDING A FUSER ASSEMBLY WITH BACKUP MEMBER TEMPERATURE SENSOR - A printer is provided comprising substrate transport apparatus for moving substrates along a substrate path through the printer; a fuser assembly comprising a heat transfer member including a belt and a heater to heat the belt, a backup member adapted to engage the belt so as to define a fusing nip with the belt, and a temperature sensor for sensing a temperature of a portion of the backup member; and a controller coupled to the temperature sensor. Based on signals generated by the temperature sensor, the controller determines whether a substrate moving along the substrate path has been contacted by the backup member portion. | 2009-10-01 |
20090245836 | Belt Fixing Device and Image Forming Apparatus - A belt fixing device includes a fixing roller, a heating roller, a fixing belt stretched between the fixing roller and the heating roller, a pressing roller pressing the fixing roller through the fixing belt, and a temperature detection unit detecting the surface temperature of the fixing belt. In at least one end portion of the heating roller in an axial direction, a ring regulating skewed movement of the fixing belt toward an axial end, and a belt tension adjusting unit adjusting tension of the fixing belt are provided. The temperature detected by the temperature detection unit is stored in a storage unit. When the belt tension adjusting unit releases belt tension, a control unit controls a rotation stop position of the fixing belt on the basis of the belt temperature stored in the storage unit. | 2009-10-01 |