19th week of 2015 patent applcation highlights part 36 |
Patent application number | Title | Published |
20150125101 | SLIDING BEARING - A sliding bearing for an internal combustion engine having a plastics polymer-based composite layer on a substrate, the composite layer comprising: a matrix of plastics polymer-based material having distributed throughout the matrix; 0.1 to 5% vol carbon nanostructures; and incidental impurities; and a method of manufacture of such a sliding bearing. | 2015-05-07 |
20150125102 | AGRICULTURAL TANDEM PIVOT ASSEMBLY - An agricultural implement including a pair of support members and a pivot assembly coupled between the support members. The pivot assembly includes at least one resilient bushing and a side-play restraint system. The resilient bushing being in contact with a portion of the restraint system. | 2015-05-07 |
20150125103 | PULLEY-BEARING ASSEMBLY - A pulley-bearing assembly provided with a pulley and a rolling bearing confined by respective coupling surfaces co-axial to each other and defining a groove there between; the rolling bearing being provided with two rows of rolling bodies having pitch diameters (D, Di) of different size, and a metallic ring being pressed into the groove and deformed so as to join the pulley with the bearing. | 2015-05-07 |
20150125104 | BEARING ARRANGEMENT FOR FLUID MACHINERY APPLICATION - A bearing arrangement for a fluid machinery application employing an axially locating bearing. The axially locating bearing includes: a first angular self-aligning contact bearing arranged next to a second angular self-aligning contact bearing. Each of the first angular self-aligning contact bearing and the second angular self-aligning contact bearing includes a set of rolling elements arranged in a row and interposed between a respective curved inner raceway and an associated curved outer raceway. Each roller is a symmetrical cylindrically-shaped roller having a curved raceway-contacting surface. Each roller is inclined respective to the axial direction of the shaft by a respective contact angle. The rollers support an axial force and a radial force. The axially non-locating bearing position is arranged spaced apart from the axially locating bearing position, as seen in the axial direction. Examples of fluid machinery applications include: a wind turbine, water turbine or a propulsion turbine. | 2015-05-07 |
20150125105 | METHOD OF FORMING A DRAWN CUP WITH UNDERCUTS - A method for manufacturing a bearing ring is provided. The method includes punching out a blank from sheet metal. A radially extending groove is formed in the blank. The blank is stamped in a cup-shaped die which creates an axially extending side wall and a bottom wall, with a first undercut being formed by the radially extending groove located at a juncture between the side wall and the bottom wall at a first axial end portion of the bearing ring. A second axial end portion of the side wall is thinned. The second axial end portion is then bent creating a flange with a second undercut located at a juncture between the flange and the side wall. | 2015-05-07 |
20150125106 | THRUST NUT FOR BEARING AGAINST AN AXLE - A thrust nut for bearing against an axle includes a nut body, a first race member and a row of rolling elements. The nut body has opposing first and second surfaces and defines a threaded hole therein. The first race member is arranged to face the first surface of the nut body. The nut body serves as a second race member and cooperates with the first race member to co-define an annular track therebetween. The row of rolling elements is disposed in the annular track between the first race member and the nut body. | 2015-05-07 |
20150125107 | MICROWAVE FREQUENCY COMPONENT CONTROLLED BY A SYSTEM OF SHIELDED COPLANAR ELECTRODES, AND CORRESPONDING MANUFACTURING METHOD - A microwave frequency component includes a thin layer of dielectric material arranged between an earth electrode and a control electrode controlling a microwave frequency electrical signal such that the earth electrode extends over a first face, called the lower face, of the thin layer of dielectric material, and the control electrode extends longitudinally over a second face, called the upper face, of the thin layer of dielectric material. The microwave frequency component is such that it includes a set of at least two shielded coplanar electrodes extending along the entire length of the control electrode, to each side of and at an equal distance from the control electrode. | 2015-05-07 |
20150125108 | TUNABLE RF FILTER DEVICE USING OPTICAL WAVEGUIDE PATHS WITH SPLITTER AND COMBINER PAIRS AND RELATED METHODS - A tunable Radio Frequency (RF) filter device includes a tunable optical source generating an optical carrier signal, and a modulator coupled to the tunable optical source and modulating the optical carrier signal with an RF input signal. The tunable RF filter device may include first and second optical waveguide paths coupled to the modulator and having first and second dispersion slopes of opposite sign from each other, one or more of the first and second optical waveguide paths comprising an optical splitter and combiner pair therein, and an optical-to-electrical converter coupled to the first and second optical waveguide paths and generating an RF output signal with a frequency notch therein based upon the tunable optical source. | 2015-05-07 |
20150125109 | GRATING CONFIGURATIONS FOR A TILED WAVEGUIDE DISPLAY - Grating configurations are described for creating time sequenced field of view (FOV) tiles for a waveguide display. Pairings of non-output diffraction gratings and output diffraction gratings are activated to create a number of FOV tiles in a time sequence, for example in a frame update period for the image. Examples of a non-output grating are an input grating and a fold grating. For a set of at least three gratings used to make the pairings, each non-output grating is paired with each output grating. The number of pairings, and so the number of FOV tiles, is equal to a product of the total number of non-output gratings and the total number of output gratings. At least one diffraction grating in the pairing is an active pairing. Also described is a multiplexed diffraction grating including multiplexed K-vectors which increases the overall angular bandwidth for both incidence and diffraction. | 2015-05-07 |
20150125110 | Passively Placed Vertical Optical Connector - An optical integrated circuit (IC) is provided that includes a waveguide to propagate light in the IC. A diffractive element, such as a grating, couples light between the waveguide and an external optical connector. At least one alignment feature is lithographically formed in the optical IC to facilitate precise positioning of the optical connector on the optical IC. Since the alignment feature is lithographically formed in a precise relation to the diffractive element, the optical connector can be accurately positioned and optically coupled to the optical IC. Complex optical-feedback-based alignment equipment and operations to achieve optical coupling of the optical connector with the waveguide in the optical IC are not necessary. | 2015-05-07 |
20150125111 | WAVEGUIDE FORMATION USING CMOS FABRICATION TECHNIQUES - Conventional approaches to integrating waveguides within standard electronic processes typically involve using a dielectric layer, such as polysilicon, single-crystalline silicon, or silicon nitride, within the in-foundry process or depositing and patterning a dielectric layer in the backend as a post-foundry process. In the present approach, the back-end of the silicon handle is etched away after in-foundry processing to expose voids or trenches defined using standard in-foundry processing (e.g., complementary metal-oxide-semiconductor (CMOS) processing). Depositing dielectric material into a void or trench yields an optical waveguide integrated within the front-end of the wafer. For example, a shallow trench isolation (STI) layer formed in-foundry may serve as a high-resolution patterning waveguide template in a damascene process within the front end of a die or wafer. Filling the trench with a high-index dielectric material yields a waveguide that can guide visible and/or infrared light, depending on the waveguide's dimensions and refractive index contrast. | 2015-05-07 |
20150125112 | OPTICAL SWITCH FABRIC FOR DATA CENTER INTERCONNECTIONS - An optical switch fabric includes horizontal optical waveguides including a first set and a second set, the first set is configured to receive a first plurality of wavelengths from the one or more external switches and the second set is configured to send a second plurality of wavelengths to the one or more external switches; wavelength-selective drop optical switches associated with the first set, wherein the wavelength-selective drop optical switches are each configured to drop a selected wavelength from a horizontal optical waveguide of the first set to an associated vertical optical waveguide of vertical optical waveguides; and controllable optical switches associated with the vertical optical waveguides, wherein the controllable optical switches are each configured to direct a selected wavelength from a vertical optical waveguide to a horizontal optical waveguide of the second set. | 2015-05-07 |
20150125113 | FIBER OPTIC SOLAR COLLECTOR - A solar collector which concentrates sunlight by a matrix of solar luminescence concentrators that are made up of fiber optic material which collect and concentrate light assembly into fiber optic cables and which guide the light to a desired location where it can be used for lighting or photo voltaic conversion into electricity. | 2015-05-07 |
20150125114 | LIGHT DIFFUSING FIBERS WITH INTEGRATED MODE SHAPING LENSES - A method including the steps of providing a light-diffusing optical fiber ( | 2015-05-07 |
20150125115 | LIGHT DIFFUSING FIBERS WITH INTEGRATED MODE SHAPING LENSES - A method including the steps of providing a light-diffusing optical fiber ( | 2015-05-07 |
20150125116 | APPARATUS AND A METHOD FOR JOINTING A FIRST AND A SECOND OPTICAL FIBRE OF A COMPOSITE CABLE - An apparatus and a method for jointing a first optical fibre and a second optical fibre, the apparatus includes a composite cable, where the composite cable includes an electric power cable, a first optical fibre cable including the first optical fibre, and a second optical fibre cable including the second optical fibre, wherein the apparatus includes a first routing device and a second routing device, each routing device being arranged to change the direction of a fibre optic path from a first axis to a second axis and including a first optical fibre portion aligned with the first axis, a second optical fibre portion aligned with the second axis, and an intermediate optical fibre portion integral with the first and second optical fibre portions and extending through an arc between the first and second optical fibre portions, the intermediate optical fibre portion in the region of the arc having a reduced diameter in relation to the diameter of the first and second optical fibre portions, wherein the first optical fibre is optically connected to the first optical fibre portion of the first routing device, wherein the second optical fibre is optically connected to the first optical fibre portion of the second routing device, and wherein the second optical fibre portion of the first routing device is optically connected to the second optical fibre portion of the second routing device. | 2015-05-07 |
20150125117 | FIBER OPTIC MOUNTING ARRANGEMENT AND METHOD OF COUPLING OPTICAL FIBER TO A TUBULAR - A method of coupling optical fiber to a tubular includes positioning at least one optical fiber at least partially within an annular cavity defined between a tubular and an elongated member and radially compressing the elongated member against the tubular. | 2015-05-07 |
20150125118 | Connector Assembly - A connector assembly of a first connector and a second connector. The connector assembly includes at least one latch biased to a locking position to lock the assembly in cooperation with a complementary locking section. The connector assembly includes a release member movable in a direction towards a top face of one of the connectors from a rest position to a release position. The release member pushes the latch away from the locking position when the release member is moved to the release position | 2015-05-07 |
20150125119 | Connector Comprising a Locking Device - A connector including a housing with a cable entry and a contact face presenting one or more conductors for signal transfer to associated conductors of a complementary connector. The connector includes a cable entry shield of an electro-conductive material gripping around the cable at the cable entry. The cable entry shield can for example be formed by a pin holder for holding alignment pins and the base of a locking device, jointly gripping around the cable. | 2015-05-07 |
20150125120 | OPTICAL TRANSCEIVER ADAPTED TO ANGLED POLISH CONNECTOR AND A METHOD TO ASSEMBLE THE SAME - An optical transceiver adapted to an optical connector having an angled physical contact (APC) is disclosed. The optical transceiver installs an optical sub-assembly to receive an external connector. The optical sub-assembly provides an index surface that indexes the inclined direction of the end of the stub abutting against the end surface of the external connector of the type of the APC. The housing provides a saddle with a flat surface on which the index surface of the optical sub-assembly is set. | 2015-05-07 |
20150125121 | OPTICAL FIBER CABLES - Cables have reduced freespace, reduced tube diameters, and reduced strength member diameters. The cables are designed to pass robustness testing such as GR-20 while using smaller amounts of raw materials to produce. | 2015-05-07 |
20150125122 | GRAPHENE COATED FIBER OPTICS - A graphene coated optic fiber is disclosed that includes an optic fiber encapsulated within a graphene capsule. This graphene capsule may comprise a single layer of graphene or multiple layers of graphene. A graphene coated optic fiber is disclosed that includes a graphene end cap to protect and end portion of the optic fiber. | 2015-05-07 |
20150125123 | OPTICAL TRANSMISSION DEVICE AND MANUFACTURING METHOD THEREOF - An optical transmission device includes: a first cage and a second cage provided in parallel on a top surface of a substrate, into which modules connectable to an optical transmission path are inserted, respectively; a first heat sink including: a first main body arranged along surfaces of the first cage and the second cage at the opposite side to the substrate, and a first plate member rising from a bottom surface of the first main body which faces the substrate, and arranged between the first cage and the second cage. | 2015-05-07 |
20150125124 | Camera Video Recorder - A camera video recorder may include a housing operatively mounting a digital video camera. A digital video recorder disposed in the housing is linked to the digital video camera and records images provided by the camera. A network switch disposed in the housing provides at least one network connection, and a processor adapted to run an operating system, and control the digital video camera, digital video recorder and network switch is also disposed in the housing. The network ports may be switched, selectively providing pass-through and switched communication. The processor may be adapted to provide an Internet protocol-based interface for accessing the camera video recorder and to provide analytics. A plurality of camera video recorders may be linked in series, and at least one of the camera video recorders may be linked to a network, via network connections provided by the network switch in the camera video recorders. | 2015-05-07 |
20150125125 | MOTION PICTURE SCANNING SYSTEM - Described herein is a film scanner, such as scanner for scanning motion picture film, the film scanner comprising one or more imaging devices configured to collect an image of an imaging area; and a transit system for producing relative motion of the film and the imaging device. Advantageously, at least one of the imaging devices comprises a digital single lens reflex (SLR) camera. | 2015-05-07 |
20150125126 | DETECTION SYSTEM IN A VEHICLE FOR RECORDING THE SPEAKING ACTIVITY OF A VEHICLE OCCUPANT - A detection system in a vehicle for detecting the speaking activity of a vehicle occupant includes: a video recording system for recording the posture of the head and/or of the motions of the lips; an evaluation device; and a signal generating device. | 2015-05-07 |
20150125127 | VIDEO PLAYING SYSTEM AND METHOD OF USING SAME - A system and method used in an electronic apparatus for playing a video stored in the electronic apparatus via a display. The video playing system splits the video into a number of video segments. Each of the video segments has predetermined time duration. The video playing system analyzes each video segment to acquire image backgrounds and facial features of the video segments and delete a latter video segment of two adjacent video segments when the image backgrounds and the facial features of the latter video segment of two adjacent video segments is the same as the image backgrounds and the facial features of an earlier video segment of two adjacent video segments. | 2015-05-07 |
20150125128 | IMAGING APPARATUS AND DISPLAY CONTROL METHOD THEREOF - An imaging apparatus includes: a first display panel unit for executing display toward a user side; a second display panel unit for executing display toward a subject side; an imaging processing unit for subjecting incident light from the subject side to photoelectric conversion to obtain a captured image signal; a recording processing unit for executing a recording process to a recording medium regarding the captured image signal obtained at the imaging processing unit; and a control unit for controlling the display states of the first display panel unit and the second display panel unit for each of a plurality of various types of operation periods changing along with the operation of the imaging processing unit or the recording processing unit, and executing display control wherein the first display panel unit and the second display panel unit can have different display content during at least a single operation period. | 2015-05-07 |
20150125129 | PORTABLE ELECTRONIC DEVICE WITH DIVERSIFIED OPERATION METHOD - A media data playback device is capable of simultaneously parsing and decoding two buffered sources of streaming media. The device is operable to provide diversified operation functions including media data reproducing functions, a portable device to portable device wireless communication, cellular communication, and an access point function. | 2015-05-07 |
20150125130 | METHOD FOR NETWORK VIDEO RECORDER TO ACCELERATE HISTORY PLAYBACK AND EVENT LOCKING - The present invention is to provide a method applicable to a player of a network video recorder for accelerating history playback and event locking, wherein the player decompresses a compressed file of recorded images when performing history playback of the recorded images, flags the resulting frames with “changed” or “unchanged”, depending on whether variation in image data traffic between the successive frames reaches a certain degree, and then sequentially plays the images of the successive frames on a monitor at different playing speeds which are set in the player and correspond to the successive “changed” and “unchanged” frames respectively. Thus, not only is the time required for history playback significantly shortened, but also a monitoring person is enabled to rapidly see, from among large amount of played back image data, the small number of images that demand attention and to greatly reduce the time, energy and effort required while monitoring. | 2015-05-07 |
20150125131 | Chunk Header Incorporating Binary Flags and Correlated Variable-Length Fields - Playback and distribution systems and methods for multimedia files are provided. The multimedia files are encoded with flags associated with the content data of the multimedia files. Through the use of the flags, playback of the content is enhanced without significantly increasing the file size of the multimedia file. | 2015-05-07 |
20150125132 | APPARATUS, METHOD, AND SYSTEM FOR DIGITAL CONTENT AND ACCESS PROTECTION - There is described a method for providing a video signal to a user, comprising: sampling said video signal at a user specific sampling rate, thereby obtaining temporally organized sample amplitudes; removing a time interrelation between said temporally organized sample amplitudes, thereby obtaining sample amplitudes having no time interrelation; transmitting said sample amplitudes having no time interrelation to said user; and reconstructing said video signal by inserting a user-specific sampling interval between successive ones of said sample amplitudes, said user-specific sampling interval corresponding to said user-specific sampling rate. | 2015-05-07 |
20150125133 | METHOD FOR TRANSCODING MULTIMEDIA, AND HADOOP-BASED MULTIMEDIA TRANSCODING SYSTEM FOR PERFORMING THE METHOD - A multimedia transcoding method and a system for performing the multimedia transcoding are provided. A hadoop-based multimedia transcoding system may include a video and image data collection domain (VIDCD) to collect original encoded media data sets, and to store the collected original encoded media data sets, a hadoop distributed file system (HDFS)-based splitting and merging domain (HbSMD) to split the original encoded media data sets into first blocks, and to automatically distribute the first blocks to a plurality of data nodes of an HDFS, by using the HDFS, and a MapReduce-based transcoding domain (MbTD) to transcode second blocks distributed to the plurality of data nodes, through distributed and parallel processing, using a MapReduce framework. | 2015-05-07 |
20150125134 | HEAT-RESISTANT ELECTRIC HEATER - An electric heater comprises a main body, a panel, a cross flow fan, a motor and a heating element. The main body is made by aluminum extrusion and has a bottom board and a front board. The bottom board and the front board define an air outlet therebetween. The panel is disposed on the main body and is formed with a plurality of air inlets. The cross flow fan is rotatably disposed in the main body. The motor is disposed on the main body and connected to the cross flow fan. The heating element is disposed in the main body. By this configuration, the main body is resistant to high temperature, the temperature of the heating element is not as limited, providing a preferred heating effect, structural strength and is less easily damaged. | 2015-05-07 |
20150125135 | PORTABLE HEATER - A heater is provided with a heater core having a source of thermal energy in a heat exchange relationship with a heat exchanger. A fan moves air through the heater core from an air inlet to an air outlet. The heater core is thermally insulated by an air jacket from an exterior case. | 2015-05-07 |
20150125136 | Vaporization & Inhalation System with Convective and Conductive Heaters for Herbal Material and/or Fluid Extracts - Disclosed is an appliance for volatilizing active substances in either herbal material or fluid extract for inhalation, including a material vaporization surface with a plurality of convective air flow apertures, a conductive heater and a convective heater. | 2015-05-07 |
20150125137 | Disposable Electrical Emanation Devices - An emanation device is described which comprises a housing defining a sealed container having a front wall and a rear wall defining the length and width of the housing and connected to each other by a top wall, a bottom wall and one or more side walls defining the depth of the housing, wherein the length and width are each greater than the depth; one or more vent holes in the housing; electrical plug pins connected to the rear wall of the housing, said plug pins being operatively connected to a heating means located within the interior of the housing; an absorbent pad containing a quantity of air treatment agent mounted within the interior of the housing; wherein the pad fills a majority of the length and width of the housing; and wherein the heating means is located in connection with or immediately adjacent to a central portion of the pad on the front face thereof where the front face of the pad is adjacent the front wall and remote from the face of the pad facing the rear wall and electrical plug pins. | 2015-05-07 |
20150125138 | METHOD AND DEVICE FOR THAWING BIOLOGICAL MATERIAL - This disclosure is a system for heating a sample, e.g. a biological material, in a vessel. The system can include a heating device configured to transmit energy to the vessel and a base moveably coupled to the heating device. The system can also include a processor configured to receive an input associated with a target temperature, and transmit a signal to controllably move the heating device relative to the base for a time period, wherein the time period is determined based on the target temperature and content volume. | 2015-05-07 |
20150125139 | Heating Apparatus - A heating apparatus which is assembled by inserting a columnar heating wire heater | 2015-05-07 |
20150125140 | DRIVE APPARATUS, DRIVE METHOD, AND OPTICAL DEVICE - Noise produced during phase-difference changes is minimized without decreasing the responsiveness of a vibration-wave motor. A lens-side MCU ( | 2015-05-07 |
20150125141 | PROCEDURES, APPARATUSES, SYSTEMS, AND COMPUTER PROGRAMS FOR PROVIDING OPTICAL NETWORK CHANNEL PROTECTION - A procedure for transferring wavelengths, and a system that operates in accordance with the procedure. The system comprises at least one network terminal, each including a switch and a controller. A plurality of wavelength sets are applied to the switch. The controller is arranged to operate the switch such that the switch (a) selects at least one wavelength from at least one of the plurality of wavelength sets, based on electrical monitoring at a port module external to the network terminal, and (b) outputs the at least one wavelength to an output of the at least one network terminal. | 2015-05-07 |
20150125142 | DATA COMMUNICATION APPARATUS - The present invention relates to a data communication apparatus having at least two server communication terminals, which are connected by at least one optical cable and which each have at least one transmitter and one receiver, wherein the transmitter of a first communication terminal is connected to the receiver of a second communication terminal by a first fiber optic passage and the receiver of the first communication terminal is connected to the transmitter of the second communication terminal by a second fiber optic passage, wherein a circuit tester having an evaluation unit for evaluating test and/or error signals transmitted by the optical cable is provided for detecting damage to and/or disturbances of the optical cable. In accordance with the invention, the circuit tester is integrated into the first and/or second server, the two fiber optic passages being further connected by at least one signal diversion module. | 2015-05-07 |
20150125143 | SYSTEM AND METHOD FOR MONITORING POLARIZATION-DEPENDENT LOSS - Systems and method for monitoring a dual-polarization signal are disclosed. The systems and methods include adding a first supervisory signal to a first polarization component of the dual-polarization signal to get a first combined signal, adding a second supervisory signal to a second polarization component of the dual-polarization signal to get a second combined signal, and in the electrical domain, performing a polarization scanning technique on the first and second combined signals. | 2015-05-07 |
20150125144 | LOCATING A PHYSICAL CONNECTOR MODULE - Methods, systems, and computer readable media for locating a physical connector module are disclosed. According to one aspect, the subject matter described herein a method that includes selecting, via a locator beacon activation control function, a physical connector module to be located. The method further includes communicating, from the locator beacon activation control function, a locator beacon activation signal to a locator beacon activation client function included in the selected physical connector module and, in response to receiving the locator beacon activation signal at the locator beacon activation client function, triggering a transmission of a locator beacon from the selected physical connector module. | 2015-05-07 |
20150125145 | OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION DEVICE - An optical transmission system includes: a first optical transmission device configured to perform bidirectional optical transmission with a second optical transmission device via an optical transmission line, wherein the first optical transmission device includes a transmitted light power adjusting section configured to transmit, to the second optical transmission device, a first light power which is set based on a measurement result, the second transmission device measuring a fluctuating light power transmitted from the first transmission device and informing the first transmission device of the measurement result. | 2015-05-07 |
20150125146 | WIRELESS DROP IN A FIBER-TO-THE-HOME NETWORK - One embodiment is directed to a wireless drop terminal (WDT) for use in a fiber-to-the-home (FTTH) network. The wireless drop terminal comprises a fiber interface to optically couple the wireless drop terminal to an optical line terminal (OLT) of the FTTH network via at least one optical fiber and a wireless interface communicatively coupled to the fiber interface. The wireless interface is configured to wirelessly communicate with a wireless optical network terminal (W-ONT) over a fixed directional wireless drop. Other embodiments are disclosed. | 2015-05-07 |
20150125147 | METHOD AND APPARATUS FOR UPDATING AND SWITCHING BETWEEN BIT LOADING PROFILES FOR TRANSFER OF DATA FROM AN OPTICAL NETWORK TO NETWORK DEVICES IN A COAXIAL CABLE NETWORK - A conversion module including physical layer and control modules. The physical layer module, via an optical network, receives first data from a service provider. The control module, via a coaxial cable network: transmits the first data, via sub-carriers, from the conversion module to a first network module according to a first bit loading profile; requests from the first or second network module a report that indicates channel conditions respectively for the sub-carriers; based on the request, receives the report; updates a second bit loading profile based on the report; transmits, to the first or second network module, the updated second bit loading profile or a difference between the first and updated second bit loading profiles; and subsequent to performing a switch over between the first and second bit loading profiles, transmit second data according to the updated second bit loading profile to the first or second network module. | 2015-05-07 |
20150125148 | TRANSMISSION APPARATUS - A transmission apparatus includes: a first mapping unit configured to allocate a first frame that stores a client signal to an intermediate frame; a second mapping unit configured to allocate the intermediate frame to a second frame that has a higher bit rate than a bit rate of the first frame; and a rate controller configured to control a bit rate of the intermediate frame based on the bit rate of the first frame and the bit rate of the second frame. | 2015-05-07 |
20150125149 | WAVELENGTH NEGOTIATION METHOD AND APPARATUS OF MULTI-WAVELENGTH PASSIVE OPTICAL NETWORK, AND MULTI-WAVELENGTH PASSIVE OPTICAL NETWORK SYSTEM - This application provides a wavelength negotiation method of a multi-wavelength passive optical network, including: receiving a wavelength status table that is broadcast by an OLT over each downstream wavelength channel of a multi-wavelength PON system, where the wavelength status table is used to indicate information about available wavelengths of the multi-wavelength PON system and statistic information of registered ONUs of a corresponding wavelength channel; selecting an upstream transmit wavelength and a downstream receive wavelength according to the wavelength status table; and reporting information about the upstream transmit wavelength and information about the downstream receive wavelength to the OLT so that the OLT refreshes the wavelength status table. This application also provides a wavelength negotiation apparatus of the multi-wavelength passive optical network and a multi-wavelength passive optical network system. | 2015-05-07 |
20150125150 | OPTICAL RECEIVER AND OPTICAL RECEIVING METHOD - An optical receiver, includes: a signal processor to perform digital signal processing on a polarization demultiplexed signal obtained by demultiplexing a polarization multiplexed signal corresponding to a reception signal, the signal processor includes: an adaptive equalization circuit to compensate for the polarization demultiplexed signal by control of a filter coefficient; a first frequency offset estimation circuit to receive a first polarization demultiplexed signal diverged at a preceding stage and estimate a first frequency offset; a second frequency offset estimation circuit to receive a second polarization demultiplexed signal diverged at a succeeding stage and estimate a second frequency offset; and a decision circuit to decide whether the filter coefficient is correct based on a first difference between the first frequency offset and the second frequency offset and output, when deciding that the filter coefficient is incorrect, a first trigger for re-calculation of the filter coefficient. | 2015-05-07 |
20150125151 | SYSTEMS AND METHODS FOR EXTENDING OPTICAL NETWORK SERVICES ACROSS NON-OPTICAL CHANNELS - An optical communication system comprises a network interface device (NID) having a media converter coupled to an optical fiber of a passive optical network (PON). The media converter converts optical signals from the PON into electrical signals for communication across at least one non-optical channel, such as a conductive or wireless connection, to customer premises equipment (CPE), such as a residential gateway or other customer premises (CP) device. Rather than implementing an optical media access control (optical MAC) layer in the NID, an optical MAC layer for handling PON protocols and management is implemented by the CPE, thereby effectively extending the customer end of the PON across at least one non-optical connection to the CPE. By implementing the optical MAC layer at the CPE, the complexity of the NID is reduced thereby lowering the cost of the NID. In one embodiment, in an effort to further reduce the complexity of the NID, the optical MAC layer is configured to control a laser-on state of an optical transmitter in the NID. | 2015-05-07 |
20150125152 | POWER EFFICIENT SUBCARRIER AGGREGATOR AND SUBCARRIER COMBINER FOR MULTI-DIRECTION VARIABLE OPTICAL TRANSCEIVER - A multi direction variable transceiver including a transmitter comprising a subcarrier aggregator including at least one variable transmitter splitter and at least one variable transmitter coupler. The transceiver typically includes a receiver having at least one variable receiver splitter and at least one variable receiver coupler. In some examples, each of the transmitter and the receiver may include a controller for dynamically adjusting a splitting ratio for at least one of the variable receiver splitter, variable receiver coupler, variable transmission splitter and variable transmission coupler. | 2015-05-07 |
20150125153 | METHOD FOR MEASURING WAVELENGTH CHANNEL TUNING TIME OF TUNABLE DEVICE IN OPTICAL NETWORK, AND SYSTEM THEREOF - A method for measuring a wavelength channel tuning time by using an optical filter that converts a change of an output wavelength of a tunable device into an optical intensity change, and a system thereof. The system for measuring a wavelength channel tuning time includes: an optical filter set configured to convert a wavelength change of an optical tunable device into an optical output intensity change; at least one or more optical electric converters configured to convert the optical output intensity change output by the optical filter set into an electric signal; and a controller configured to generate a wavelength change command applied to the tunable device, so as to calculate a wavelength channel tuning time of the tunable device by using the wavelength change command and the electric signal output by the optical electric converter. | 2015-05-07 |
20150125154 | IR COMMUNICATION METHOD AND ELECTRONIC DEVICE THEREOF - A method for operating an electronic device is provided. The method includes converting received infrared into an electrical signal, amplifying the electrical signal and outputting an analog signal, converting the analog signal into digital data, determining whether the digital data is valid, and activating an application program in a freeze state to be in an unfreeze state. | 2015-05-07 |
20150125155 | DIGITAL RADIO FREQUENCY TRANSCEIVER SYSTEM AND METHOD - A transceiver architecture for wireless base stations wherein a broadband radio frequency signal is carried between at least one tower-mounted unit and a ground-based unit via optical fibers, or other non-distortive media, in either digital or analog format. Each tower-mounted unit (for both reception and transmission) has an antenna, analog amplifier and an electro-optical converter. The ground unit has ultrafast data converters and digital frequency translators, as well as signal linearizers, to compensate for nonlinear distortion in the amplifiers and optical links in both directions. In one embodiment of the invention, at least one of the digital data converters, frequency translators, and linearizers includes superconducting elements mounted on a cryocooler. | 2015-05-07 |
20150125156 | ONU WITH WIRELESS CONNECTIVITY CAPABILITY - The embodiments herein relate to a method in an optical network unit, referred to as an ONU, for providing wireless connectivity capability to the ONU. The ONU is comprised in a communications network. The ONU is interconnected to an optical line terminal, referred to as an OLT, via a wireline communications link and a wireless communications link. The ONU is configured to support a sleep mode. The ONU obtains information about entry into the sleep mode. The ONU identifies whether the wireless communications link is activated or deactivated, and activates the wireless communications link if the wireless communications link is identified as deactivated. The ONU enters sleep mode, and provides wireless connectivity capability to the ONU by means of the wireless communications link during the sleep mode. | 2015-05-07 |
20150125157 | HIGH BANDWIDTH OPTICAL LINKS FOR MICRO-SATELLITE SUPPORT - A method, systems, apparatus and device enable high bandwidth satellite communications. An onboard tracking detector, installed in a low-earth orbit satellite, detects a position of an incoming optical beam received/transmitted from a first ground station of one or more ground stations. Tracker electronics determine orientation information of the incoming optical beam based on the position. Control electronics receive the orientation information from the tracker electronics, and control a waveguide drive electronics. The waveguide drive electronics control a voltage that is provided to an electro-optic waveguide beam steering device. The electro-optic waveguide beam steering device steers an outgoing optical beam to one of the one or more ground stations based on the voltage. | 2015-05-07 |
20150125158 | 40G/100G/200G/400G PLUGGABLE OPTICAL TRANSCEIVERS WITH ADVANCED FUNCTIONALITY - Integrated performance monitoring (PM); optical layer operations, administration, maintenance, and provisioning (OAM&P); alarming; amplification, and the like is described in optical transceivers, such as multi-source agreement (MSA)-defined modules. A pluggable optical transceiver defined by an MSA agreement can include advanced integrated functions for carrier-grade operation which preserves the existing MSA specifications allowing the pluggable optical transceiver to operate with any compliant MSA host device with advanced features and functionality, such as Forward Error Correction (FEC), framing, and OAM&P directly on the pluggable optical transceiver. The advanced integrated can be implemented by the pluggable optical transceiver separate and independent from the host device. | 2015-05-07 |
20150125159 | REFLECTIVE COLORLESS OPTICAL TRANSMITTER - Provided is a reflective colorless optical transmitter receiving a carrier signal, which is a continuous wave, and outputting a modulated optical signal. The reflective colorless optical transmitter includes a semiconductor optical amplifier (SOA) amplifying an input optical signal allowing the input optical signal to have a gain, an optical modulator connected to the SOA and outputting a modulated optical signal, a high reflectivity facet reflecting the modulated optical signal from the optical modulator, and a Bragg reflection mirror connected to the high reflectivity facet, the optical modulator, and the SOA in series, wherein a Bragg resonator is formed by the Bragg reflecting mirror and the high reflectivity facet. | 2015-05-07 |
20150125160 | METHOD AND APPARATUS FOR DIRECTLY DETECTED OPTICAL TRANSMISSION SYSTEMS BASED ON CARRIERLESS AMPLITUDE-PHASE MODILATION - Methods and apparatus for directly detected optical system based on gapped CAP modulation and DSP Methods for generation and reconstruction of gapped CAP signal are disclosed. An apparatus for direct detection transmission for CAP modulated signal with two unbalanced optical sidebands separated by gaps is disclosed, in which a gapped CAP signal is generated, converted, and passed to an optical filter for unbalanced sidebands generation and wavelength locking before being transmitted over an optical link. Direct detection is performed on the optical signal and passed to gapped matching filters. Channel equalization is performed and the signal information is decoded to binary data. | 2015-05-07 |
20150125161 | OPTICAL SIGNAL MODULATION | 2015-05-07 |
20150125162 | EFFICIENT OPTICAL COMMUNICATION DEVICE - In one embodiment, an apparatus for optical communication is disclosed. An optical sub-assembly and optical platform may form the apparatus. Lasers contained in the hermetically sealed optical sub-assembly can be coupled to a modulator on the optical platform. The optical modulator can access an optical network using beams of light sent from the laser. | 2015-05-07 |
20150125163 | WDM Mux/DeMux employing filters shaped for maximum use thereof - Filters shaped differently from those commonly used in WDM Mux/DeMux optical devices are described. Different from the prior art devices that commonly use filters shaped in cuboid, the filters in the embodiment of the present invention are shaped in parallelepiped. In other words, a cross section of such filter is not in parallelogram. According to one embodiment of the present invention, a filter is so cut that a cross section thereof presents a cutting angle not being 90 degrees. As a result, the filter is fully used in WDM Mux/DeMux optical devices. Such filters are advantageously used in compact optical modules. | 2015-05-07 |
20150125164 | Optical Apparatus - The present invention provides an optical apparatus, which is configured to output image information and comprises a housing; a light source; an optical device; an optical device earner, wherein the optical device is mounted on the optical device carrier and positioned on one side of the optical device carrier; a support plate positioned on the other side of the optical device carrier and being one part of the housing; and a connecting piece, wherein one end of the connecting piece penetrates the support plate and then is connected with the optical device carrier, and the relative positions of the connecting piece and the support plate are fixed. | 2015-05-07 |
20150125165 | SHEET FEEDER CONTROL METHOD, SHEET FEEDER, AND IMAGE FORMING APPARATUS - A sheet feeder control method for controlling a sheet feeder of an image forming apparatus includes feeding a sheet through a sheet feed path exposable to the exterior of the sheet feeder, detecting the feeding of the sheet at at least a first position on the sheet feed path, discharging the fed sheet to the exterior of the sheet feeder, detecting the discharge of the sheet at a second position downstream of the first position in a sheet feeding direction, detecting a sheet jam during the feeding and discharging of the sheet, and if the jammed sheet is detected at the second position but not at the first position, cancelling a malfunction state due to the sheet jam when the sheet stops being detected at the second position, irrespective of whether the sheet feed path is covered or exposed. | 2015-05-07 |
20150125166 | DEVELOPER CONTAINER, DEVELOPING APPARATUS, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - Provided is a technology that enhances the detection precision of the residual amount of a developer. An apparatus according to the invention includes: an accommodating portion in which a developer is accommodated; a sheet-like stirring member that, by rotating, stirs the developer accommodated in the accommodating portion; a piezoelectric element that is affixed to the stirring member and that outputs voltage when being deformed; and a deflection forming portion that comes in contact with the stirring member, thereby causing the stirring member to deflect, when a free end of the rotating stirring member is outside a developer accumulation region in the accommodating portion. | 2015-05-07 |
20150125167 | DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND TONER DETECTION METHOD - A developing device includes: a toner detection unit that detects whether there is toner that is stored; a stirring unit that stirs toner in a toner container; a calculation unit that calculates an output duty by comparing an output voltage of the toner detection unit representing whether there is toner after the stirring, with a predetermined voltage value; and a remaining amount detection unit that detects an amount of remaining toner at the output duty from a correspondence relationship between the output duty and an amount of remaining toner that is previously set. | 2015-05-07 |
20150125168 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image bearer; a charger to charge the image bearer; an electrostatic latent image former to form an electrostatic latent image on the image bearer; an image developer to develop the electrostatic latent image with a toner to form a visual toner image; a transferer to transfer the toner image on a transfer material; a toner concentration calculator to calculate a concentration of the toner; and an optical detector. At least a toner patch image is formed on the image bearer with an irradiation quantity set such that an irradiated part potential is larger than a developing condition, the toner patch image is read by the optical detector, and the charging condition is corrected on the basis of a difference between a toner concentration of the toner patch image and a target toner concentration. | 2015-05-07 |
20150125169 | Image Forming Apparatus Provided with Image Formation Position Correction Function - In an image forming apparatus, an image forming device have an operating part and is configured to form an image at an image formation position on an imaging target. A control device is configured to control the image forming device to start performing an image forming process, determine an adjustment amount regarding the image formation position based on an operation amount of the operating part measured during a period of time from a first specified timing in a previous image forming process to a second specified timing in or before a current image forming process, and adjust, based on the adjustment amount, the image formation position where an image is formed pursuant to the current image forming process. | 2015-05-07 |
20150125170 | IMAGE FORMING APPARATUS - An image forming apparatus includes an exposure control unit that performs control, based on a shift-amount of an exposure position from an ideal position, the shift-amount being obtained from a detection-result of a misregistration correcting pattern image, to shift at least one of an exposure timing corresponding to first image data which is input to one of two electric cables in contact with a target electric cable and an exposure timing corresponding to second image data which is input to another one of the two electric cables, with respect to an exposure timing corresponding to target image data being input to the target electric cable both sides of which are in contact with the two other electric cables, among a plurality of the electric cables which corresponds respectively to a plurality of the exposure units provided for each of a plurality of colors. | 2015-05-07 |
20150125171 | IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND METHODOF PRODUCING PRINTED MATERIAL - An image forming apparatus includes: a pseudo-halftone processing unit that processes input image data to output image data of first resolution; a resolution converting unit that converts the image data of the first resolution into image data of second resolution that is higher than the first resolution; a modulation-signal generating unit that generates a modulation signal obtained by modulating the image data of the second resolution according to a clock signal; and a light-source driving unit that drives a light source according to the modulation signal. The pseudo-halftone processing unit converts a region of pixels having the same pixel value into a parallel line pattern that is formed with a plurality of parallel lines oblique relative to a direction of arrangement of pixels. The resolution converting unit generates the image data o in which each edge of the lines forming the parallel line pattern is smoothed. | 2015-05-07 |
20150125172 | IMAGE FORMATION APPARATUS - An image formation apparatus includes a fixing unit that heats a medium having a developer image thereon while moving the medium to fix a developer image onto the medium, a motor that provides the fixing unit with a driving force to be used to move the medium, and a controller that determines whether the driving force provided by the motor is being transmitted to the fixing unit. | 2015-05-07 |
20150125173 | IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, AND IMAGE FORMING METHOD - An image forming apparatus including; a non-inversion conveyance unit that conveys a sheet to a downstream without inverting through the image forming unit; an inversion conveyance unit that inverts the sheet with printing on one side and that conveys the sheet to an upstream; a first sheet inversion unit that is arranged on the inversion conveyance unit and inverts the front and back of the sheet conveyed by the inversion conveyance unit; a control unit that controls the image forming unit and the conveyance unit, wherein the control unit includes a single-sided print mode and a double-sided print mode, and at a breakpoint of jobs, the control unit discharges the sheet so as to provide charge polarity that does not electrostatically attract a sheet discharged just before the breakpoint and a sheet discharged just after the breakpoint at least in the double-sided print mode. | 2015-05-07 |
20150125174 | PRINTER, DATA PROCESSING APPARATUS, AND METHOD OF CONTROLLING DATA PROCESSING APPARATUS - A method of controlling a data processing apparatus including: a drive system device; a data processing device configured to perform data processing; and a power supply circuit configured to generate a drive system voltage to be supplied to the drive system device and a data processing system voltage to be supplied to the data processing device, from an input voltage from an external power supply. The method comprises: when an interruption of the input voltage is detected, switching an operation mode to a power saving mode in which the drive system device is stopped or restrained from driving, and then executing a protective operation for the data processing device. | 2015-05-07 |
20150125175 | Developing Cartridge Having Electrode - A developing cartridge includes a casing, a developer-carrying member, a supply member, a developing electrode, a supply electrode, and an insulating member. The casing is configured to accommodate therein developer. The developer-carrying member is configured to rotate about a rotational axis and carry the developer thereon. The supply member is configured to supply the developer to the developer-carrying member. The developing electrode is configured to be electrically connected to the developer-carrying member. The supply electrode is configured to be electrically connected to the supply member. The insulating member insulates the developing electrode and the supply electrode with each other. The developing electrode, the insulating member, and the supply electrode are overlapped in this order in an axial direction of the rotational axis. | 2015-05-07 |
20150125176 | Developing Cartridge Having Electrode - The developing cartridge includes a casing, a rotating member, and an electrode. The casing may be configured to accommodate therein developer. The rotating member has a rotational shaft extends in an axial direction. The rotating member is configured to rotate about the rotational shaft and carries the developer thereon. The electrode member is configured to be electrically connected to the rotating member. The electrode member covers at least part of the rotational shaft from an orthogonal direction orthogonal to the axial direction and is arranged to confront the casing in the axial direction. The electrode member is configured to move in the orthogonal direction in accordance with a movement in the axial direction. | 2015-05-07 |
20150125177 | CLEANING DEVICE COMPRISING IN-SITU METAL OXIDE DISPERSION - A cleaning device used in an electrophotographic image forming apparatus that provides excellent wear resistance and mechanical robustness. In particular, the cleaning device is a crosslinked elastomeric polyurethane cleaning blade that includes at least an end region contacting the surface of an imaging member to remove debris therefrom and comprising spherical silica nanoparticles dispersion present in the cleaning blade matrix by in-situ condensation precipitation process. | 2015-05-07 |
20150125178 | Image Forming Apparatus Having Housing Formed With Opening and Process Cartridge Mounted In the Housing - An image forming apparatus includes: a housing; and a process cartridge. The housing is formed with a first opening through which recording medium is to be introduced into an inside of the housing. The process cartridge is configured to be mounted in the inside of the housing and is provided with a photosensitive body. The process cartridge is provided with a process cartridge holding part configured to be held by a user so as to remove the process cartridge from the housing. The process cartridge holding part is configured such that in a state where the process cartridge is mounted in the inside of the housing, the process cartridge holding part prevents at least part of light that has entered the inside of the housing through the first opening from reaching the photosensitive body. | 2015-05-07 |
20150125179 | Cartridge Having a Plurality of Frames and Image Forming Apparatus Provided with the Cartridge - A cartridge includes a first frame, an image-carrying member, a transfer member, and a second frame. The image-carrying member is rotatably supported by the first frame and is configured to carry a developer image thereon. The transfer member is rotatably supported by the first frame and faces the image-carrying member. The transfer member is configured to transfer the developer image from the image-carrying member to a recording medium. The image-carrying member and the transfer member define a nip portion therebetween. The second frame is attached to the first frame and is disposed downstream from the nip portion in a passage direction in which a recording medium passes. The second frame defines at least part of a first opening. The first opening allows a recording medium that has passed through the nip portion to pass therethrough. | 2015-05-07 |
20150125180 | Process Cartridge Capable of Suppressing Developer From Leaking Out of Developer Cartridge, and Image Forming Apparatus Provided with the Same - A process cartridge includes: a developer cartridge; and a photosensitive-member cartridge. A casing of the photosensitive-member cartridge includes: a photosensitive-member accommodating portion; and a cartridge-accommodating portion disposed next to the photosensitive-member accommodating portion in a first direction. The cartridge-accommodating portion includes a first wall and a first portion. The first wall extends in the first direction and confronts the developer cartridge in a second direction intersecting the first direction. The first wall has a first end and a second end positioned farther away from the photosensitive-member accommodating portion in the first direction than the first end from the photosensitive-member accommodating portion. The first portion extends from the second end in the second direction and protrudes further than the developer cartridge in the second direction. The photosensitive-member accommodating portion includes a second portion protruding in the second direction further than a center region in the axial direction of the developer cartridge. | 2015-05-07 |
20150125181 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image carrying member; a transfer unit that includes a transfer member, first and second separating portions configured to separate ends of the transfer member that are on one side and on another side, respectively, from the image carrying member; an engaging unit that includes first and second engaging portions configured to engage with the first and second separating portions, respectively, the engaging unit being configured to separate the transfer member from the image carrying member when the first engaging portion engages with the first separating portion and the second engaging portion engages with the second separating portion; and a regulating member configured to regulate a movement of the engaging unit. The engaging unit is moved by the regulating member from the one side toward the other side or from the other side toward the one side. | 2015-05-07 |
20150125182 | POWER TRANSMITTING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME - A power transmitting device having a structure to allow a photoconductor to stably form a visible image on a printing medium. The power transmitting device interconnects a rotator and a drive motor, the drive motor generating drive power to drive the rotator. The power transmitting device includes at least one gear to be rotated upon receiving power from the drive motor, a rotating shaft having one end penetrating the gear and a coupler to interconnect the other end of the rotating shaft and the rotator. An outer diameter of the coupler, an outer diameter of the rotator and an outer diameter of the gear satisfy the following relation: 0.7D12015-05-07 | |
20150125183 | CHARGING MEMBER, CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A charging member includes a conductive elastic layer, and a conductive surface layer that is disposed on the conductive elastic layer, is in contact with an image holding member, and contains a resin, porous resin particles, and silicone oil, wherein a content of the porous resin particles is from 3 parts by weight to 25 parts by weight based on 100 parts by weight of the resin, and a content of the silicone oil is from 0.1 part by weight to 10 parts by weight based on 100 parts by weight of the resin. | 2015-05-07 |
20150125184 | CHARGING DEVICE, IMAGE FORMING UNIT AND IMAGE FORMING APPARATUS - A charging device includes a charging member that charges a surface of an image bearing body. The charging member includes a rotation shaft applied with a voltage, and a resilient conductive layer provided on an outer circumferential surface of the rotation shaft. The resilient conductive layer charges the surface of the image bearing body. The resilient conductive layer has a plurality of high resistance regions arranged at intervals in an axial direction of the rotation shaft. | 2015-05-07 |
20150125185 | DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS - There is provided a developer bearing member, a supplying chamber which contains a developer to be supplied to the developer bearing member, a collecting chamber which collects the developer from the developer bearing member, a first conveying member which is disposed in the supplying chamber and conveys the developer, a second conveying member which is disposed in the collecting chamber and conveys the developer in a direction opposite to a conveying direction of the first conveying member, and a third conveying member which is disposed in the collecting chamber and conveys the developer in a direction opposite to a conveying direction of the second conveying member. The third conveying member has a conveyance performance on a downstream side lower than that on an upstream side in the conveying direction of the developer. | 2015-05-07 |
20150125186 | DEVELOPING APPARATUS - A developing apparatus includes a developing container for containing a developer; a rotatable developer carrying member provided at the position of the developing container opposed to an image bearing member and configured to carry the developer into a developing zone where the developer carrying member is opposed to the image bearing member; and a guiding portion provided opposed to a carrying region, with respect to an axial direction of the developer carrying member, where the developer carrying member carries the developer, in a side of the developing container remote from the image bearing member, the guiding portion being capable of guiding the developer from an end portion of the developer carrying member with rotation of the developer carrying member. | 2015-05-07 |
20150125187 | METHOD OF CONTROLLING PERFORMANCE OF AUTO COLOR REGISTRATION AND IMAGE FORMING APPARATUS USING THE SAME - A method of controlling performance of auto color registration (ACR) of a color image forming apparatus, and an image forming apparatus using the same are provided. The method of controlling performance of ACR includes forming a composite black image on a transfer belt, sensing the composite black image by using a sensor, measuring the sensed composite black image, and performing ACR correction when a measured width of the composite black image is greater than a previously set value. Accordingly, it is possible to prevent unnecessary performance of ACR control when no color misregistration has occurred. In this way, ACR control is performed in as short a time as possible so that performance of the image forming apparatus may be improved. Also, it is possible to prevent waste of ACR performance time and life span reduction of a driving source for ACR. | 2015-05-07 |
20150125188 | IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING THE SAME - An image forming apparatus, a color registration test pattern of the image forming apparatus, and a method of forming the color registration test pattern are provided. A time required for color registration may be reduced by minimizing a region in which a color registration test pattern is formed on an intermediate transfer body. A control method of the image forming apparatus, which includes photosensitive media arranged side by side to correspond to colors in a rotation direction of the intermediate transfer body, includes forming first patterns of the colors arranged in a single row in a sub-scanning direction in a first region of the intermediate transfer body over a single-rotation period of the photosensitive media, and forming second patterns of the colors arranged in a single row in the sub-scanning direction in a second region of the intermediate transfer body over another single-rotation period of the photosensitive media. | 2015-05-07 |
20150125189 | BELT ASSEMBLY AND IMAGE FORMING APPARATUS INCLUDING SAME - A belt assembly includes a belt, a plurality of support rollers, and a shaft-end retainer. The belt is formed into an endless loop, entrained about and stretched taut between the plurality of support rollers with a rotary shaft. The plurality of support rollers includes a first support roller and a second support roller. The shaft-end retainer including a first retainer and a second retainer is disposed at each end of the rotary shaft of the plurality of support rollers. The first retainer detachably holds an end of the rotary shaft of the first support roller. The second retainer detachably holds an end of the rotary shaft of the second support roller and includes a second-retainer opening from which the end of the rotary shaft of the second roller is detachable from and attachable to the second retainer in a direction perpendicular to the rotary shaft of the second support roller. | 2015-05-07 |
20150125190 | CLEANING DEVICE, FIXING DEVICE INCLUDING THE CLEANING DEVICE, AND IMAGE FORMING APPARATUS INCLUDING THE FIXING DEVICE - A cleaning device includes a web sheet, a holding member, a reel member, a drive device, a pressing member, and a rotational load-applying device. The web sheet slides against and cleans a surface of a cleaning target object. The holding member holds the web sheet wound around the holding member to be reeled out. The reel member has the web sheet wound around the reel member to be reeled in. The drive device drives the reel member to rotate. The pressing member presses the web sheet against the cleaning target object. The rotational load-applying device applies a load to rotation of the holding member. The load is changeable depending on an amount of the web sheet held by the holding member. | 2015-05-07 |
20150125191 | FIXING DEVICE, AND IMAGE FORMING APPARATUS - Provided is a fixing device including a heating unit that includes a circularly moving heating belt, and a pressurizing roller that presses an external face of the heating belt, the fixing device fixing a toner image on a sheet onto the sheet by nipping the sheet between the heating belt and the pressurizing roller and by heating and pressurizing the sheet transported with the toner image being held. | 2015-05-07 |
20150125192 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes an excitation coil, a rotatable heater, and a support shaft. The excitation coil includes a turning end and an extended portion continuous with the turning end. The heater includes a heat generation layer and a thermosensitive magnetic body composed to switch between magnetized and demagnetized states at a Curie temperature to selectively create localized heating areas in the heat generation layer. The support shaft is made of a nonmagnetic material having a lower electrical resistivity than the thermosensitive magnetic body and supports opposed ends of the heater axially along the heater. The support shaft includes a body portion having a largest outer diameter of the support shaft and an end positioned outside the turning end of the excitation coil, and support portions having a smallest outer diameter of the support shaft and supporting the heater. | 2015-05-07 |
20150125193 | FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device includes a fixing rotator, a nip formation pad disposed opposite an inner circumferential surface of the fixing rotator, and a pressure rotator pressed against the nip formation pad via the fixing rotator to form a fixing nip between the fixing rotator and the pressure rotator, through which a recording medium is conveyed. A support is disposed opposite the pressure rotator via the nip formation pad to support the nip formation pad against pressure from the pressure rotator. The nip formation pad conducts heat in a thickness direction thereof perpendicular to an axial direction of the fixing rotator and a recording medium conveyance direction. The nip formation pad includes a multi-conductivity layer having a thermal conductivity varying in the axial direction of the fixing rotator and a support side layer contacting the support and having a thermal conductivity greater than a thermal conductivity of the support. | 2015-05-07 |
20150125194 | Fixing Device Having Stably Positioned Nip Plate - A fixing device for thermally fixing a developing agent image to a sheet includes: a flexible tubular member defining an axis extending in an axial direction; a heater; a nip plate configured to be in sliding contact with the tubular member and having an engaging portion; a backup member configured to nip the flexible tubular member in cooperation with the nip plate; and a stay configured to support the nip plate and having an end portion in the axial direction. The stay includes: a support portion configured to support the nip plate; a plurality of hook portions provided at the end portion to support the nip plate; and a protruding portion protruding toward the backup member and configured to engage the engaging portion such that the nip plate is restricted from moving in a direction orthogonal to a direction in which the backup member confronts the nip plate. | 2015-05-07 |
20150125195 | FIXING PRESSURE ROLLER AND FIXING DEVICE - To provide a fixing pressure roller having low roller hardness, low heat capacity, and low thermal expansion coefficient, and a fixing device including the fixing pressure roller. The fixing pressure roller of the invention for employment in a fixing unit of a fixing device has a core, and an elastic layer provided around the core, wherein the elastic layer is formed of a silicone rubber product formed by mixing a raw silicone rubber with resin microballoons and water, to thereby prepare a dispersion, and then curing the raw silicone rubber; and the silicone rubber product includes therein first voids provided from the resin microballoons and second voids which are smaller than the first voids and which are provided by evaporation of water. | 2015-05-07 |
20150125196 | TONER CONVEYING DEVICE - A toner conveying device includes a common conveyance path, toner input paths and blades. A screw for conveying a toner is installed in the common conveyance path. The toner input paths extend in an up-down direction and have lower ends connected to the common conveyance path. The blades are installed so as to make contact with a shaft of the screw and are configured to scrape off a toner adhering to the shaft of the screw. The blades are arranged immediately below the toner input paths so as to make contact with the shaft of the screw. The blades are disposed at a pitch of an integer multiple of a pitch of the fin of the screw. | 2015-05-07 |
20150125197 | IMAGE FORMING APPARATUS - An image forming apparatus is provided. The image forming apparatus includes a chassis having an opening, a cover, photosensitive members, an intermediate transfer belt, a primary-transfer member, a secondary-transfer roller, a cleaner device, a waste toner container, which is movable along a predetermined direction to be removably installed in the chassis through the opening and stores residual toner, a connector, and a feed roller, which is arranged within the feeding path to feed the recording sheet in the feeding path. The feed roller is arranged in a position to at least partially fall within a vertical range of the waste toner container and to be aligned with the waste toner container along an axial direction of the second feed roller. | 2015-05-07 |
20150125198 | SHEET CONVEYING APPARATUS, SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - A sheet conveying apparatus with a belt having a cutaway portion at least at one end portion in a width direction orthogonal to a traveling direction and a thickness direction thereof, a claw member and a driving portion driving the belt. The claw member has a pinching portion configured to attach the claw member to the belt by pinching the belt. | 2015-05-07 |
20150125199 | NOVEL BALL POINT PEN - A ballpoint pen system has a pen housing, a top cap, and a ballpoint ink cartridge located in the pen housing. The top cap is located on a pen housing anterior end. In a first closed position a top cap anterior internal annular ridge and a top cap posterior internal annular ridge engage an anterior annular groove and a median annular groove of the pen housing, respectively. In a second, open position, the top cap anterior internal annular ridge and the top cap posterior internal annular ridge engage the median annular groove and a posterior annular groove of the pen housing, respectively. In a first position, the ballpoint tip is located below a top cap anterior end aperture. In a second position, the ballpoint tip is located above and through the top cap anterior end aperture. | 2015-05-07 |
20150125200 | HOUSING WITH SELF-MOUNTING FEATURE - A housing with a self-mounting feature is provided. The housing includes a base that is configured to define a hook that cooperates with a back side of a panel and a first edge of an opening of the panel to secure the housing to a front side of the panel. The housing further includes a retainer that is operable to an un-engaged position and an engaged position. The retainer is configured to define a blocker portion that cooperates with a second edge of the opening to keep the hook adjacent to the first edge when the retainer is in the engaged position. | 2015-05-07 |