38th week of 2009 patent applcation highlights part 27 |
Patent application number | Title | Published |
20090232433 | Sealing device and rolling bearing apparatus - First portions are fixed to an outer ring, and second portions are fixed to an inner ring. Bimetal members and electromagnets are embedded in and fixed by elastic portions of the first portions and portions of the second portions are constituted by ferromagnetic members. Whereas at a normal temperature region, the first portions and the second portions are brought into contact with each other, based on deformations of the bimetal members at a temperature equal to or higher than a predetermined temperature equal to or higher than the normal temperature region, the first portions and the second portions are made to be disposed to be spaced apart from each other by intervals therebetween at a temperature equal to or higher than the predetermined temperature equal to or higher than the normal temperature region. | 2009-09-17 |
20090232434 | TEXTURING OF THE BEARING SURFACE FOR A ROLLER CONE ROCK BIT - Surface texturing is employed to modify the topography of one or more surfaces (radial or cylindrical) of the bearing system for a roller cone rock bit. The surface texturing results in a dimpled surface which retains additional lubricant helpful in reducing friction in the boundary and mixed lubrication regimes. Shot peening is disclosed as one method for texturing the desired surface. | 2009-09-17 |
20090232435 | Wheel Bearing Apparatus For A Vehicle - A vehicle wheel bearing apparatus has an outer member formed, on its inner circumference, with double row outer raceway surfaces. An inner member is formed on its outer circumference surface, with double row inner raceway surfaces arranged opposite to the double row outer raceway surfaces. Double ball groups are freely rollably contained between the outer raceway surfaces and inner raceway surfaces, respectively, of the outer member and the inner member. It is formed as a double row angular contact ball bearing of back-to-back duplex type where a predetermined contacting angle is applied to each ball. A pitch circle diameter of the outer-side ball group is larger than a pitch circle diameter of the inner-side ball group. The outer-side groove diameter of curvature ratios are smaller than inner-side groove diameter of curvature ratios. | 2009-09-17 |
20090232436 | Bicycle bearings - A bicycle has a frame with a bottom bracket shell, with the bottom bracket shell holding a bottom bracket for bearing a crank shaft having crank arms carrying pedals, wherein the bottom bracket comprises at least one bush bearing. | 2009-09-17 |
20090232437 | BEARING ARRANGEMENT FOR A PIVOT BEARING - In a bearing arrangement for a pivot bearing ( | 2009-09-17 |
20090232438 | LOW-SPECKLE LIGHT SOURCE DEVICE - A laser light source device which can inexpensively achieve a visually recognizable level of speckle reduction is disclosed. The laser light source device includes: a laser module including a light source and a first optical waveguide, wherein light emitted from the light source is outputted from an output end of the first optical waveguide; a second optical waveguide connected to the first optical waveguide, wherein the light outputted from the output end of the first optical waveguide is inputted to an input end of the second optical waveguide and guided through the second optical waveguide; and an intensity modulation unit disposed in the vicinity of the second optical waveguide, the intensity modulation unit applying intensity modulation to the second optical waveguide, wherein a core diameter at the input end of the second optical waveguide is larger than a core diameter at the output end of the first optical waveguide. | 2009-09-17 |
20090232439 | OPTICAL MODULATORS - An optical modulator having an optical modulation part and a connection part for an optical fiber propagating light. The optical modulation part has a modulation substrate of an electro-optic material, a modulation optical waveguide formed on the modulation substrate, a high frequency interaction part for applying a voltage to the modulation optical waveguide to modulate the propagation of light, a first supporting substrate and a first adhesion layer for adhering the modulation substrate to the first supporting substrate. The connection part has a connection substrate of an electro-optic material, a connection optical waveguide formed on the connection substrate, a second supporting substrate, and a second adhesion layer for adhering the connection substrate to the second supporting substrate. The modulation substrate is adhered to the connection substrate. The first supporting substrate is adhered to the second supporting substrate. The modulation optical waveguide is connected to the connection optical waveguide. | 2009-09-17 |
20090232440 | DSB-SC MODULATION SYSTEM CAPABLE OF ERASING CARRIER AND SECONDARY COMPONENT - It is an object of the present invention to provide an optical modulation system capable of suppressing a carrier component (f | 2009-09-17 |
20090232441 | Polarized Light Mode Converter - The present invention provides a polarized light mode converter which can be provided within a two-dimensional photonic crystal or can be smoothly connected to a two-dimensional photonic crystal. In a two-dimensional photonic crystal made of a slab-like main body provided with a plurality of different refractive index regions (for example, holes | 2009-09-17 |
20090232442 | Phase shift optical loop spectroscopy - The invention provides a method and apparatus for measuring one or more optical properties, such as absorbance and refractive index, of a test medium such as a gas, a liquid, or solid material. The method comprises providing a passive optical waveguide loop comprising the test medium, launching in the optical loop an intensity-modulated light at a reference phase, detecting a phase of said light along the optical waveguide loop, and comparing the detected phase of said light along the loop with the reference phase, wherein the comparison provides information about one or more optical properties of the test medium. | 2009-09-17 |
20090232443 | CONNECTION STRUCTURE OF TWO-DIMENSIONAL ARRAY OPTICAL ELEMENT AND OPTICAL CIRCUIT - Optical elements (light sources | 2009-09-17 |
20090232444 | THREE-DIMENSIONAL PERIODIC STRUCTURE INCLUDING ANTI-REFLECTION STRUCTURE AND LIGHT-EMITTING DEVICE - The three-dimensional structure includes first and second waveguides, a resonator, a first region. The waveguides cause light to propagate therein in a first guide mode. The second waveguide and the first region are mutually connected such that at least part of the light propagating in the second waveguide is coupled with light propagating in the first region in a guide mode different from the first guide mode. Light present in the resonator is coupled with the lights respectively propagating in the waveguides. A condition of −1≦cos(φ)<0 is satisfied, where φ represents a phase difference between one of first and second lights whose intensity is higher than that of the other and third light. The first light is light reflected at a connection region between the first waveguide and the resonator. The second and third lights are lights coupled with the light present in the resonator and propagate in the waveguides. | 2009-09-17 |
20090232445 | OPTICAL WAVEGUIDE DEVICE, OPTICAL INTEGRATED DEVICE AND OPTICAL TRANSMISSION DEVICE - An optical waveguide device including a first waveguide, a plurality of second waveguides, and a tapered waveguide including a first end connected to the first waveguide and a second end connected to the plurality of second waveguides and configured to receive input of single-mode light from the first waveguide, the tapered waveguide widening as the tapered waveguide extends from the first end toward the second end. | 2009-09-17 |
20090232446 | HIGH PORT COUNT INSTANTIATED WAVELENGTH SELECTIVE SWITCH - A high port count instantiated wavelength selective switch comprising two or more discrete sets, or instances, of m fiber ports totaling N fiber ports co-packaged together, one or more shared optical elements and dispersive elements, and one or more steering elements in each instance. The steering elements steer λ | 2009-09-17 |
20090232447 | Methods and apparatus for constructing large wavelength selective switches using parallelism - Optical networks are increasingly employing optical network nodes having multiple interfaces to allow a node to direct optical signals received at any interface to any other interface connected to the node. Constructing a larger wavelength selective switching (WSS) module used in such a node can be complex and expensive. A method an apparatus for constructing a large WSS using parallelism is provided. In example embodiments, a larger WSS may include multiple parallel non-cascaded smaller WSSs and an optical coupler configured to optically couple the multiple parallel, non-cascaded smaller WSSs. This technique may be used to construct both N×1 and 1×N WSSs. Because the technique employs multiple parallel, non-cascaded WSSs, all inputs of a larger N×1 WSS and all outputs of a larger 1×N WSS are available receive or transmit external signals rather than being rather than being unavailable due to, for example, cascading smaller WSS devices together. | 2009-09-17 |
20090232448 | Fiber optic multiplexer - A fiber optic multiplexer comprises a stationary frame to which primary and secondary optical fibers are attached, a rotary frame to which both ends of a transfer optical fiber are attached, and a means of rotating the rotary frame through a predetermined angle relative to the stationary frame. The primary end of the transfer optical fiber is coaxial with the primary optical fiber and the rotary frame axis of rotation. The secondary end of the transfer optical fiber is initially coaxial with a first secondary optical fiber. The multiplexer is switched by rotating the rotary frame through the predetermined angle to coaxially align the secondary end of the transfer optical fiber with a second secondary optical fiber. | 2009-09-17 |
20090232449 | Erbium-Doped Silicon Nanocrystalline Embedded Silicon Oxide Waveguide - An erbium (Er)-doped silicon (Si) nanocrystalline embedded silicon oxide (SiOx) waveguide and associated fabrication method are presented. The method provides a bottom layer, and forms an Er-doped Si nanocrystalline embedded SiOx film waveguide overlying the bottom layer, having a minimum optical attenuation at about 1540 nanometers (nm). Then, a top layer is formed overlying the Er-doped SiOx film. The Er-doped SiOx film is formed by depositing a silicon rich silicon oxide (SRSO) film using a high density plasma chemical vapor deposition (HDPCVD) process and annealing the SRSO film. After implanting Er | 2009-09-17 |
20090232450 | Simple fiber optic cavity - A novel Fabry-Perot resonance cavity has been recognized. This cavity is formed by simple planar and concave mirrors that attached at the fiber ends. The concave mirror is precisely aligned to the core of the fiber. The concave lens is fabricated on the thin polymer film by making an indentation of correct geometry and smoothness. The concave mirror has multiple dielectric layers applied on the concave lens to achieve the final, desired optical characteristics. | 2009-09-17 |
20090232451 | LIGHT TRANSMITTING/RECEIVING DEVICE - An optical transmitting and receiving device enabling incident light from an exterior to be detected with high precision is provided. With an optical transmitting and receiving device | 2009-09-17 |
20090232452 | BI-DIRECTIONAL OPTICAL MODULE - An inexpensive optical bi-directional module by which diffraction efficiency of light beams having different wavelengths can be maximized at different diffraction orders, respectively, and light utilization efficiency is enhanced. The optical bi-directional module comprises a light emitting element for transmitting an optical signal toward the end of an optical fiber, a light receiving element for receiving an optical signal from the end of the optical fiber, and a grating having stepwise profiles repeated at a desired pitch. Assuming the position of the grating is on the DOE plane and the light emitting elements are located, respectively, at the end of the optical fiber and the position of the light receiving element, planar pitch of the grating is set such that a phase function being given as an equiphase-difference line on the DOE plane by causing interference of two light beams of the assumed light emitting elements has a phase function value representing an equiphase curve of integral multiples of 360°. | 2009-09-17 |
20090232453 | Tapered Fiber Retroreflector - An expanded-beam all-glass retroreflector for a fiber laser cavity. The retroreflector consists of a section of a tapered double-clad fiber for beam expansion, e.g. a tapered section of the laser fiber itself, or a piece of coreless fiber spliced to the laser fiber, and a reflective surface for reflection of the expanded beam back into laser cavity through the tapered fiber section. | 2009-09-17 |
20090232454 | VACUUM OPTICAL FIBER CONNECTOR AND OPTICAL FIBER TERMINAL STRUCTURE - A vacuum optical fiber connector includes a port flange attached to a vacuum flange for housing a first waveguide connector to which an optical fiber bundle is attached, an optical transparent body placed on the outside of the port flange, and an attachment member formed with a fit shape relative to the port flange for housing a second waveguide connector to which an optical fiber bundle is attached. The first and second waveguide connectors are positioned at least in two directions orthogonal to an optical axis with optical coupling of the first and second waveguide connectors. | 2009-09-17 |
20090232455 | Multi-port adapter block - An adapter block constructed to mount to more than one mounting configuration of a telecommunications panel. The adapter block including a housing constructed to slide mount to a panel, and pivot mount to a panel from either a front or a rear of the panel. The housing including flexible levers that provide a snap-fit connection to secure the adapter block relative to the panel in each of the mounting configurations. The adapter block providing access to cable terminations of the block in each of the mounting configurations. | 2009-09-17 |
20090232456 | Mini Optical Subassembly - A low-cost, high-speed micro-connector replacement for current electrical inter-connects and intra-connects on printed circuit boards is provided. The invention achieves its goal by including an optical transmitter module or optical receiver module mounted in close proximity to a modulator used to encode optical signals from electrical impulses or decode optical signals to electrical impulses. The micro-connector is mounted on a PCB in alignment with the transmitting or receiving modules and provides appropriate alignment and stop positioning of an optical fiber used for optical transmitting between transmitting/receiving modules. | 2009-09-17 |
20090232457 | Splicer with Splicing Cassette Carrier - A splicer comprises a chassis with an opening in which a splicing unit for splicing of optical waveguides is arranged. The splicer can be controlled via a control and display apparatus. A splicing cassette carrier is arranged rotatably on the chassis. The splicing cassette carrier is designed such that it can be used both for fixing a splicing cassette or else as a carrying handle for the splicer. Furthermore, the splicer has a control unit via which the splicer is switched to an active operating mode or to a standby mode, as a function of the rotation position of the splicing cassette carrier. When the splicing cassette carrier is open, the light intensity of background lighting for the display apparatus and the light intensity of a lighting device can be controlled so they are variable. The reduced power consumption associated with this allows the operational readiness of the splicer to be lengthened. | 2009-09-17 |
20090232458 | Optical Waveguide Splice Apparatus and Method for Performing a Splice of at Least Two Optical Fibers - An optical waveguide splice apparatus, comprises a camera adapted to record an image of at least two optical waveguides, a screen, a control unit coupled to the screen to generate a display representation to be displayed on the screen, wherein the display representation comprises a first region comprises a first portion of the recorded image and a second region comprising a second portion of the recorded image, a semitransparent layer and information about a splice process. | 2009-09-17 |
20090232459 | Optical Transmission Hinge Apparatus - An optical transmission hinge apparatus includes a first hinge portion for pivotally interconnecting a first casing and a second casing about a first axis, a first optical device provided in the first casing, a second optical device provided in the second casing and an optical guide path member for interconnecting the first optical device and the second optical device to enable optical transmission therebetween. The optical guide path member includes a bent portion, a first portion formed on one side of the bent portion and a second portion formed on the other side of the bent portion. The first portion is provided in the first casing to be coaxial with the first hinge portion, with a terminal end of the first portion being in opposition to the first optical device. The second portion is provided in the second casing, with a terminal end of the second portion being in opposition to the second optical device. | 2009-09-17 |
20090232460 | Fiber Optic Cables and Assemblies for Fiber Toward the Subscriber Applications - Disclosed are fiber optic cables and assemblies for routing optical networks closer to the subscriber. The fiber optic cables have a robust design that is versatile by allowing use in aerial application with a pressure clamp along with use in buried and/or duct applications. Additionally, the fiber optic cables and assemblies have a relatively large slack storage capacity for excess length. Assemblies include hardened connectors such as plugs and/or receptacles suitable for outdoor plant applications attached to one or more ends of the fiber optic cables for plug and play connectivity. | 2009-09-17 |
20090232461 | Optical fiber and optical fiber ribbon - The present invention relates to an optical fiber accommodated in an optical fiber cable, and more particularly, to an optical fiber which optimizes optical fiber coating resin and color resin and restrains an increase in transmission loss of the optical fiber due to an operating environment and aged deterioration and provides an optical fiber and optical fiber ribbon without any increase of transmission loss irrespective of the operating environment and aged deterioration, and especially when exposed to water or high humidity. | 2009-09-17 |
20090232462 | Nonlinear crystal and waveguide array for generation of terahertz radiation - Techniques for generating terahertz (THz) radiation are provided in which each nonlinear crystal in an array of such crystals is coupled to one or more corresponding waveguides such that any THz radiation generated in any single crystal is coupled into that crystal's THz waveguide structure. After the THz radiation is generated in the crystals and coupled into the waveguides, the individual THz signals may be coherently combined to form a single THz signal (non-coherent configurations are provided as well). Crystal-waveguide arrays embodying the techniques can be used to implement efficient, robust, and compact THz sources suitable for applications such as security screening, medical imaging, quality control and process monitoring in manufacturing operations, and package and container inspection. | 2009-09-17 |
20090232463 | Low loss optical fiber designs and methods for their manufacture - The specification describes an improved optical fiber produced by a hybrid VAD/MCVD process. The core of the fiber is produced using VAD and the inner cladding layer has a depressed index and is produced using MCVD. In preferred embodiments, the optical power envelope is essentially entirely contained in VAD produced core material and the MCVD produced depressed index cladding material. Optical loss is minimized by confining most of the optical power to the VAD core where OH presence is low, as well as by maximizing the optical power in the un-doped silica region. The MCVD substrate tube material is essentially devoid of optical power. | 2009-09-17 |
20090232464 | Photonic Devices Having Degenerate Spectral Band Edges and Methods of Using the Same - Provided herein are photonic devices configured to display photonic band gap structure with a degenerate band edge. Electromagnetic radiation incident upon these photonic devices can be converted into a frozen mode characterized by a significantly increased amplitude, as compared to that of the incident wave. The device can also be configured as a resonance cavity with a giant transmission band edge resonance. In an exemplary embodiment, the photonic device is a periodic layered structure with each unit cell comprising at least two anisotropic layers with misaligned anisotropy. The degenerate band edge at given frequency can be achieved by proper choice of the layers' thicknesses and the misalignment angle. In another embodiment, the photonic device is configured as a waveguide periodically modulated along its axis. | 2009-09-17 |
20090232465 | Optical Waveguide Device and Method for Fabricating Optical Waveguide Device - An optical waveguide device in which optical loss is reduced. An optical waveguide film cable ( | 2009-09-17 |
20090232466 | COVER FOR OPTICAL FIBERS AND/OR OPTICAL DEVICES - Apparatus and methods are provided for controlling a light emission from an end of an optical fiber by utilizing a cover that blocks the light emission at the fiber end, a detector situated between the fiber end and the cover that detects the blocked emission, and a signaling device, such as an LED, associated with the detector that illuminates in response to the detection of the blocked emission. The apparatus and methods may further provide for the filtering out of light from the emission that is not used for communications. The apparatus and methods may also provide for the attenuation of the power of the emission before the emission reaches the detector. | 2009-09-17 |
20090232467 | Printed circuit board for optical waveguide and method of manufacturing the same - Disclosed herein is a printed circuit board for an optical waveguide, including a base board, and an optical waveguide formed on the base board. The optical waveguide includes a lower clad layer formed on the base board, an insulation layer formed on the lower clad layer and having a core-forming through-hole, a core part formed on a region of the lower clad layer, which is exposed through the through-hole, and an upper clad layer formed in the through-hole and on the insulation layer. | 2009-09-17 |
20090232468 | MULTIMEDIA DEVICE GENERATING MEDIA FILE WITH GEOGRAPHIC INFORMATION AND METHOD OF PLAYING MEDIA FILE WITH GEOGRAPHIC INFORMATION - A multimedia device that generates media files and a method of playing the media files. Since the multimedia device has a globe positioning system (GPS) receiving unit, the corresponding geographic information is obtained and then the media data and the corresponding geographic information are processed to one media file. Therefore, the playing method uses the geographic information of the media files from the multimedia device to manage and play the media files having same geographic information. | 2009-09-17 |
20090232469 | METHOD AND APPARATUS FOR RE-CONSTRUCTING MEDIA FROM A MEDIA REPRESENTATION - The present invention relates to a new type of random access point adapted to be included in a media representation comprising a plurality of data objects. The random access point is characterized by a reference to a data element in another data object of said plurality of data objects, wherein said referenced data element at least partly describes how to reconstruct media from said media representation. The invention further relates to a method and apparatus of reconstructing media from a media representation. The method comprises receiving a data object comprising at least one reference to a data element in another data object of the media representation; and re-constructing the media by use of information associated with said referenced data element(s). | 2009-09-17 |
20090232470 | VIDEO CONTENTS EDITING APPARATUS, CONTROLLER, AND METHOD - A video contents editing apparatus for editing video contents at an editing point on an arbitrary time, the video contents being inter-frame coded in units of GOP (Group of Pictures), includes a decoder to decode a GOP including the editing point into reproduction data, an encoder to encode the reproduction data into intra coding data, and controller to generate editing information including information indicating the intra coding data and the editing point and to manage the intra coding data and the editing information by associating them with the video contents. | 2009-09-17 |
20090232471 | Information Recording Apparatus - An information recording/reproducing apparatus capable of simplifying settings of a scene breakpoint includes a voice recognition unit and a control unit. At a timing when the voice recognition unit extracts a feature during recording, the control units sets a scene breakpoint and generates a thumbnail at the same time. During reproduction, the thumbnail and voices when the feature was extracted are output at the same time. | 2009-09-17 |
20090232472 | METHODS AND APPARATUS FOR PROVIDING USAGE TIMERS FOR A PRESENTATION DEVICE - Apparatus, systems and methods are provided for implementing usage timers on an electronic device. A usage timer provides a time budget for a user's access to the electronic device and more specifically limits the user's access to of content provided by the electronic device. As the user utilizes the electronic device to experience content, their associated time budget for the electronic device is debited accordingly. Once the user's time budget for using the electronic device is exceeded, their access to the electronic device is restricted. However, when the user is utilizing certain functions on the electronic device (e.g., trick play mode functions, viewing a content selection menu or loading content), their time budget is not debited for the time spent utilizing these functions of the electronic device. | 2009-09-17 |
20090232473 | User Message System and Method for Digital Video Recorder - An apparatus and method is presented for receiving and displaying user messages associated with multimedia content. Specifically, the present invention is directed to controlling the operation of a television recording/playback system to permit a user to input a message, associate that message with a selected television program, and display the associated message when the selected television program is accessed by another user (see FIG. | 2009-09-17 |
20090232474 | CONTROL DEVICE, TELEVISION VIEWING SYSTEM, INFORMATION EQUIPMENT, CONTROL METHOD AND MEDIUM - A device has an interface to the recorder and an interface to the television receiver and can connect the recorder to the television receiver. The device detects switching from a television program being viewed to the next television program to be next received and judges whether or not the current television program being viewed at the detection is registered as a television program to be recorded. When it is judged that the current television program is registered as a television program to be recorded, the device allows the recorder to start recording the current television program. After the recording is started, the device instructs the television receiver to switch the channel being received from the current television program channel to the next television program channel selected by the switching. | 2009-09-17 |
20090232475 | DIGITAL BROADCAST RECEIVING/RECORDING/REPRODUCING APPARATUS AND DIGITAL BROADCAST RECEIVING/RECORDING/REPRODUCING METHOD - According to one embodiment, a digital broadcast receiving/recording/reproducing apparatus has a receiving module which receives a broadcast signal of a program that is set to be recorded, a processing module which converts the broadcast signal received by the receiving module into digital picture and sound program data, a memory which records copy control information acquired from the broadcast signal received by the receiving module, a recording control module which encrypts the program data converted by the processing module and records the encrypted program data in a specified recording device, and a memory control module which encrypts the copy control information recorded in the memory and records the encrypted copy control information in the specified recording device and deletes the copy control information recorded in the memory after termination of the recording of the encrypted copy control information. | 2009-09-17 |
20090232476 | PROGRAM RECORDING ASSIST APPARATUS, VIDEO RECORDING AND PLAYBACK APPARATUS, AND PROGRAM RECORDING ASSIST METHOD - A program recording assist apparatus is configured to notify permission or inhibition of copying or moving of program data of an unrecorded program designated to be recorded, before recording or moving the program data to a recording medium. The apparatus includes a determination unit configured to determine permission or inhibition of sequential recording or moving of the program data to a plurality of recording mediums based on a copy control attribute of the program, type of recording medium, and a recording mode used at a time of recording to the recording medium, and a control unit configured to display a path capable of recording or moving the program data to the plurality of recording mediums on a display device based on the result determined by the determination unit. | 2009-09-17 |
20090232477 | AUDIOVISUAL SYSTEM AND CONTROL METHOD THEREOF - In an audiovisual system in which a TV, an AV amplifier, a DVD player and the like are combined, another device constituting the system is automatically set to an optimal operation state according to the content recorded on an optical disc. A reproduction content judging unit | 2009-09-17 |
20090232478 | AUDIO SERVICE PLAYBACK METHOD AND APPARATUS THEREOF - An audio service playback method includes receiving a transport stream including bitstreams corresponding to at least a main audio service and at least an auxiliary audio service; extracting audio service information of the bitstreams; displaying an audio service selection menu according to the extracted audio service information, wherein the audio service selection menu includes an audio effect option corresponding to the auxiliary audio service; and when a user selection is received via the audio service selection menu, playing at least one of the bitstreams according to the user selection. In addition, an audio service playback apparatus includes a receiving module, a controlling module coupled to the receiving module, and an output module coupled to the controlling module. In this way, the audio service playback method and apparatus thereof allow users to select the auxiliary audio service they want to experience. | 2009-09-17 |
20090232479 | Video data reproducing apparatus, video data generating apparatus and recording meduim - To provide a video data reproducing apparatus or the like, which includes: a flag reader | 2009-09-17 |
20090232480 | ADAPTIVE VIDEO ENCODE SCALING - A mobile video terminal includes a video camera to supply video signals; processing logic to selectively encode the video signals from the video camera at different quality levels; a memory to store the video signals encoded by the processing logic; and a power supply to supply power for the mobile video terminal, where the processing logic is further configured to automatically alter the encoding of the video signals from the video camera based on a condition of at least one of the memory, the power supply, or the processing logic. | 2009-09-17 |
20090232481 | SYSTEMS AND METHODS FOR HANDLING CONTENT PLAYBACK - A method for handling content to accommodate the movement of a user is disclosed. The method may include playing at least a first portion of the content using a first playback device. The method may also include storing status information concerning the playing the at least the first portion of the content. The method may also include receiving an identifier from a mobile device. The method may also include associating the status information with the identifier. The method may also include determining a start point of a second portion of the content using at least the identifier. The method may also include playing at least the second portion of the content using a second playback device. | 2009-09-17 |
20090232482 | OPTICAL DISC PLAYER SYSTEM AND METHOD OF CONTROLLING A DECODING UNIT IN THE OPTICAL DISC PLAYER SYSTEM TO READ ENCODED BITSTREAM DATA FROM A BUFFER MEMORY - In a method of controlling multiple decoders in an optical disc player system to read encoded bitstream data divided into multiple sectors from a buffer memory, one of the sectors stored in the buffer memory is read according to a reading pointer associated with one of the decoders that sent out a bitstream request. When a header portion of the sector that is being read from the buffer memory indicates a bitstream type corresponding to that of the bitstream request, a data portion of the sector is transferred to the decoder that sent out the bitstream request, and the reading pointer is adjusted to point to a next one of the sectors stored in the buffer memory. An optical disc player system for implementing the method and an optical disc player system capable of saving the memory bandwidth between a bitstream demultiplexer and a memory are also disclosed. | 2009-09-17 |
20090232483 | IMAGE BLUR CORRECTION APPARATUS - In an image blur correction apparatus, rotation of a correction lens about an optical axis is regulated without special mechanism or drive unit. When displacing a third lens unit in a pitch and yaw directions, forces Bp, By driving a shift base are generated in the respective directions by Lorentz force, to generate forces Cp, Cy, Dp, Dy returning a magnet to an original position by attraction force. By, Cy and Bp, Dp, respectively, are exerted on the same axes, whereas Cp, Dy are not in the same axes as those of Bp, By, respectively, so that a rotational moment for the shift base is generated and the shift base is stabilized at a first angle. Since the first angle is smaller than a second angle regulated by a restriction portion for a shift movement frame, the shift base does not abut the shift movement frame to deteriorate image stabilization. | 2009-09-17 |
20090232484 | LENS BARREL AND IMAGE PICKUP APPARATUS - A lens barrel having an increased strength against external impact. The lens barrel is configured to move in an optical axis direction. A photographic lens unit moves in the optical axis direction. A cylindrical unit is engaged with the photographic lens unit, and has an outer periphery formed thereon with a first cam groove followed by the photographic lens unit. The cylindrical unit performs rotation to thereby move the photographic lens unit in the optical axis direction. A rectilinear motion-causing restriction member is engaged with the cylindrical unit to restrict motion of the photographic lens unit to rectilinear motion. A second cylindrical unit is disposed around the photographic lens unit and the cylindrical unit to guide the photographic lens unit for rectilinear motion. A second rectilinear motion-causing restriction member restricts motion of the rectilinear motion-causing restriction member and the second cylindrical unit in a direction of rotation. | 2009-09-17 |
20090232485 | LENS BARREL - A lens barrel includes a driven ring, a follower provided on the driven ring, a rotational transfer ring including a circumferential groove having no axial-direction component and a rotational transfer groove including an axial-direction component, a guide ring, and a cam groove formed on the guide ring for guiding the driven ring via the follower. Rotation of the driven ring is prevented when the follower is engaged in the circumferential groove so that the driven ring is held at a non-photographing position. When the follower is engaged in the rotational transfer groove, the driven ring is moved along the cam groove between the non-photographing position and a ready-to-photograph position. Opposed wall surfaces in the circumferential groove determine a position of the follower when the driven ring moves between the non-photographing position and the ready-to-photograph position. The range of the cam groove, that is used to move the driven ring between the ready-to-photograph position and the non-photographing position of the guide ring, includes an axial-direction component. | 2009-09-17 |
20090232486 | IMAGE CAPTURING APPARATUS - In the image capturing apparatus which images a micro plate | 2009-09-17 |
20090232487 | ACTUATOR AND BLADE DRIVE DEVICE FOR CAMERA - An electromagnetic actuator includes: a coil for excitation; a stator excited with different magnetic poles by energization of the coil; a rotor magnetized with the different magnetic poles in accordance with a circumferential direction, and rotated by a magnetic force generating between the rotor and the stator; and an outputting member rotated in conjunction with the rotor and outputting rotational movement of the rotor to a first blade and a second blade. The outputting member is provided with a fitting hole press-fitted onto the rotor. | 2009-09-17 |
20090232488 | SHUTTER ACTIVATION SYSTEM - A shutter includes at least one shutter blade, a magnet moveably connected to the at least one shutter blade, and a solenoid defining a gap between a first pole and a second pole. The solenoid is configured to controllably draw the magnet into the gap in a first state and to controllably repel the magnet from the gap in a second state. | 2009-09-17 |
20090232489 | SHUTTER ACTIVATION SYSTEM - A method of controlling a plurality of shutter blades includes providing a shutter assembly including a solenoid having a first magnetic pole, a second magnetic pole, and a gap between the first and second poles. The shutter assembly also includes a permanent magnet moveable within the gap in a path coplanar with the solenoid, wherein movement of the permanent magnet transitions the plurality of shutter blades between an open position exposing a central opening of the shutter assembly and a closed position. The method also includes moving the plurality of shutter blades between the open and closed positions, and reducing an electrical signal applied to the solenoid while the plurality of shutter blades is in transit between the open and closed positions. | 2009-09-17 |
20090232490 | COIL BOBBIN, ACTUATOR, AND BLADE DRIVE DEVICE FOR CAMERA - A coil bobbin includes: a body portion around which a coil is wound and having a cylindrical shape; a pair of flange portions formed at both ends of the body portion respectively; and terminal portions which are formed in the pair of flange portions, respectively, the terminal portions being around which respective ends of the coil are wound. The pair of flange portions have thicker portions and thinner portions, respectively, different from each other in thickness. The pair of flange portions is formed to gradually reduce a thickness from the thicker portions toward the thinner portions, respectively. The terminal portions are formed in the thicker portions, respectively. | 2009-09-17 |
20090232491 | LIGHT QUANTITY ADJUSTING APPARATUS, IMAGE PICKUP APPARATUS AND OPTICAL APPARATUS - At least one exemplary embodiment is directed to a light quantity adjusting apparatus that can include a first blade member configured to be driven by a drive source, such as a motor, and a second blade member whose movement is configured to be related to the movement of the first blade member. | 2009-09-17 |
20090232492 | DIRECTIONLESS OPTICAL ARCHITECTURE AND HIGHLY AVAILABLE NETWORK AND PHOTONIC RESILIENCE METHODS - The present invention provides a directionless optical architecture for reconfigurable optical add/drop multiplexers (ROADMs) and wavelength selective switches (WSSs). The directionless architecture utilizes a directionless wavelength switch coupled between client devices and ROADMs/WSSs to eliminate the need to hard-wire client devices to a wavelength division multiplexed (WDM) network. Accordingly, client device connections can be automatically routed without manual intervention to provide a highly resilient network design which can recover route diversity during failure scenarios. Additionally, the present invention minimizes deployments of costly optical transceivers while providing superior resiliency. Further, the present invention couples the directionless optical architecture and associated optical protection mechanisms with existing mesh restoration schemes to provide additional resiliency. | 2009-09-17 |
20090232493 | WAVELENGTH DRIFT DETECTING APPARATUS, WAVELENGTH LOCKING SYSTEM AND METHOD - An apparatus for detecting wavelength drift and a system and method for locking wavelengths are disclosed herein so that multiple optical modules can share a wavelength locking apparatus without any wavelength selecting module. The output signals of only one optical module are scrambled at a time, and the identifier information carried in the optical signals output by different optical modules is the same, for example, the same frequency is applied to scrambling of every optical signal. Therefore, the scrambling apparatus is simplified, and the interference between scrambling signals is eliminated. Because no mechanical or electrical apparatus is used for controlling the wavelength switching, the cost is reduced, the locking speed is increased, the accuracy of signal processing is improved, and the precision of wavelength locking is enhanced. | 2009-09-17 |
20090232494 | OPTICAL NETWORK, MONITORING UNIT AND MONITORING METHOD - An optical network having a tree-like structure with a main line and a plurality of branches, at least two of the branches comprising a monitoring unit for upstream signalling to the main line, wherein each of the monitoring units comprises a signal generation unit with a light source for generation of a pre-defined optical signal, and the monitoring units are construed to generate pre-defined optical signals which are different from each other, as well as a monitoring unit for generating a periodic upstream signal in such an optical network and a method for monitoring such an optical network. | 2009-09-17 |
20090232495 | PASSIVE OPTICAL NETWORK SYSTEM WITH MODE-VARIABLE OPTICAL NETWORK UNIT - An optical line terminal connecting with numbers of optical network units comprises a control unit which controls each optical network unit to make it operate in a first mode in which transmission and reception of control messages and data are possible or in a second mode in which the transmission and reception of control messages are possible but the transmission of data is impossible, according to a communication permission request transmitted from an optical network unit and based on a preset maximum number of optical network units permitted to execute upstream communication from the optical network unit to the optical line terminal. | 2009-09-17 |
20090232496 | OPTICAL COMMUNICATION APPARATUS, OPTICAL TRANSMISSION SYSTEM AND METHOD FOR REDUCING NONLINEAR DEGRADATION - This invention provides an optical communication apparatus in which the nonlinear degradation of a wavelength multiplexed signal in the nonlinear degradation factor member causing the nonlinear degradation is reduced, an optical transmission system using the same, and a method for reducing the nonlinear degradation. There are provided a wavelength interval enlarging portion | 2009-09-17 |
20090232497 | DIRECTIONLESS RECONFIGURABLE OPTICAL ADD-DROP MULTIPLEXER SYSTEMS AND METHODS - The present invention provides a directionless reconfigurable optical add/drop multiplexer (ROADM) system. The present invention provides a scalable all-optical switching element that includes a combination of 1×N wavelength selective switches (WSS), 1×N splitters/combiners, optical amplifiers, and tunable filters to provide a fully non-blocking solution which can be deployed in a scalable manner. The 1×N splitters are configured to split multiples copies of a plurality of drop wavelengths which can be amplified and sent to a tunable filter which selects out a particular wavelength for drop. The 1×N combiners are configured to combine multiple add wavelengths for egress transmission. | 2009-09-17 |
20090232498 | Communication System Using Passive Optical Network and Passive Optical Network - An OLT transmits and receives a CMTS/CM apparatus control signal through an apparatus physical management interface which is physically identical to or different fro a main signal interface (NNI) and processes the CMTS apparatus control signal by itself. When connection of a new ONU is detected by an ONU apparatus control signal, an IP address is allocated by using the CM apparatus control signal in a manner similar to the CM. The CM apparatus control signal regarding the ONU is transmitted and received by using the IP address and a mutual conversion is performed between the CM apparatus control signal and the ONU apparatus control signal. The ONU processes the ONU apparatus control signal in a manner similar to the ONU based on an ordinary PON standard. | 2009-09-17 |
20090232499 | Passive optical network communication method and system - A passive optical network communication system transmits an optical time-division multiplexed signal from a central office through a passive optical coupler to a number of subscribers, and transmits optical encoded signals from the subscribers through the passive optical coupler to the central office. Optical encoded signals from different subscribers are separated by a decoding process performed at the central office. All operations can be synchronized with a clock signal which is generated at the central office and recovered from the optical time-division multiplexed signal by the subscribers' equipment. The communication range can be extended inexpensively by using a single high-power light source at the central office while using relatively low-power light sources at the subscribers' equipment. | 2009-09-17 |
20090232500 | TRANSAMPLIFIER, SYSTEM AND METHOD FOR AMPLIFICATION OF OPTICAL SIGNALS AT PLURAL WAVELENGTHS - Disclosed herein are embodiments of a device, method of use and system for an analog multi-wavelength transamplifier. The transamplifier embodiments described herein allow the use of multiple wavelengths to segment logical service groups, such as for use in a CATV distribution system and a FTTH system having a broadband overlay. Improved optical signal power performance can be achieved by using direct modulating transmitters and maintaining polarization of the optical signals that are modulated by a phase modulator, such as an external waveguide. | 2009-09-17 |
20090232501 | Adaptive Injection Current Controlled Burst Mode SOA for Long and Wide Reach High Speed PON - An apparatus comprising an optical power splitter, an optical delay line coupled to the optical power splitter, an optical amplifier (OA) coupled to the optical delay line, and an adaptive injection current (AIC) controller coupled to the optical power splitter and the OA. Also disclosed is an apparatus comprising at least one component configured to implement a method comprising converting an optical signal into a voltage signal, calculating an amplitude correction value for the voltage signal, inverting an amplitude of the voltage signal, adjusting the amplitude of the inverted voltage signal according to the amplitude correction value, and converting the adjusted voltage signal into a current signal. Included is a network comprising an optical line terminal (OLT) comprising an optical receiver and an AIC controlled OA coupled to the optical receiver, wherein the AIC controlled OA provides optical power equalization for any upstream optical signals. | 2009-09-17 |
20090232502 | VISIBLE LIGHT COMMUNICATION SYSTEM AND OPTICAL WIRELESS LAN DEVICE - A visible light communication system and an optical wireless LAN device are provided, which are capable of establishing a 10 Mbit/s LAN connection by means of an LED lighting unit which integrally has a plurality of LEDs. The optical wireless LAN device | 2009-09-17 |
20090232503 | OPTICAL TRANSCEIVER WITH OPTICAL MULTIPLEXER ON A FLEXIBLE SUBSTRATE - An optical transceiver for converting and coupling an information-containing electrical signal with an optical fiber including an optical fiber coiled over at least a portion of its length; a support element disposed in the transceiver module; a substrate for securing said coiled optical fiber to said support element to enable said coiled fiber to bend from a first direction to a second opposite direction inside said transceiver module; and an optical multiplexer secured to said substrate for receiving first and second optical fibers and multiplexing respective optical signals on said first and second optical fibers into a multi-wavelength beam onto a third optical fiber. | 2009-09-17 |
20090232504 | OPTICAL LINE TERMINATION, OPTICAL NETWORK UNIT, OPTICAL COMMUNICATION SYSTEM, TIMING CONTROL METHOD, AND RECORDING MEDIUM STORING PROGRAM FOR APPARATUS - A plurality of lines which differ in transmission rate can coexist using a time division multiplexing (TDM) technique without any signal collision. An optical line termination (OLT) is connected to a plurality of lines which differ in transmission rate, and includes a timing extraction unit which extracts data transmission timing from a predetermined one of the plurality of lines and a timing allocation unit which allocates data transmission timing for a different line not to collide with the data transmission timing extracted by the timing extraction unit. An optical network unit (ONU) corresponding to the different line transmits data based on the allocated data transmission timing. | 2009-09-17 |
20090232505 | Multi-Channel Optical Communication - An optical fiber communications apparatus comprises a housing provided with a motherboard and with a support defining plurality of card receptors. A plurality of modular cards ( | 2009-09-17 |
20090232506 | Method and Device for Controlling a Remote Vehicle - A system and method for controlling a remote vehicle comprises a hand-held controller including a laser generator for generating a laser beam. The hand-held controller is manipulable to aim and actuate the laser beam to designate a destination for the remote vehicle. The remote vehicle senses a reflection of the laser beam and moves toward the designated destination. The hand-held controller allows single-handed control of the remote vehicle and one or more of its payloads. A method for controlling a remote vehicle via a laser beam comprises encoding control signals for a remote vehicle into a laser beam that is aimed and sent to a designated destination for the remote vehicle, and sensing a reflection of the laser beam, decoding the control signals for the remote vehicle, and moving toward the designated destination. | 2009-09-17 |
20090232507 | DIGITAL RADIO FREQUENCY TRANCEIVER 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. | 2009-09-17 |
20090232508 | COMMUNICATION SYSTEM PROVIDING HYBRID OPTICAL/WIRELESS COMMUNICATIONS AND RELATED METHODS - A communication system includes at least one optical-wireless device coupled to a longitudinal side of an optical fiber. The optical-wireless device may include an optical fiber power unit for converting optical power into electrical power, and a wireless communication unit electrically powered by the optical fiber power unit. The optical-wireless device may include a substrate mounting the optical fiber power unit and the wireless communication unit to the longitudinal side of the optical fiber. The wireless communication unit may include a radio frequency transmitter, and a signal optical grating coupling the transmitter to the longitudinal side of the optical fiber. The radio frequency transmitter in some embodiments may include an ultra-wideband transmitter. A dipole antenna may also be provided including first and second portions extending in opposite directions along the longitudinal side of the optical fiber. | 2009-09-17 |
20090232509 | ELECTROWETTING RETROREFLECTOR DEVICES, SYSTEMS, AND METHODS - Switchable retroreflector devices that are modulated via electrowetting. The devices include an electrically-conductive polar fluid and a non-polar fluid that is immiscible with the polar fluid. The polar and the non-polar fluids differ in at least one optical property. The fluids are contained in a fluid vessel, or an array of fluid vessels. The fluids are at least partially viewable. A voltage source is configured to selectively apply an electromechanical force to the polar fluid causing repositioning and/or geometrical change of the fluids such that retroreflection in created, or suppressed, by optical refraction or by optical attenuation. | 2009-09-17 |
20090232510 | DIGITAL RADIO FREQUENCY TRANCEIVER 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. | 2009-09-17 |
20090232511 | Optical Micro-Connector - A low-cost, high-speed micro-connector replacement for current electrical inter-connects and intra-connects on printed circuit boards is provided. The invention permits fast and reliable information transmission over a single fiber through the utilization of an optical transmitter module or optical receiver module mounted in close proximity to a modulator used to encode optical signals from electrical impulses or decode optical signals to electrical impulses. The micro-connector is mounted on a PCB in alignment with the transmitting or receiving modules and provides appropriate alignment and stop positioning of an optical fiber used for optical transmitting between transmitting/receiving modules. | 2009-09-17 |
20090232512 | SYSTEMS AND METHODS FOR CHIRP CONTROL OF A DUAL ARM Z-MODULATOR TO MINIMIZE DISPERSION EFFECT OF FIBER PLANT - The present invention provides systems and methods for chirp control of a dual arm Z-modulator to minimize dispersion in the fiber plant. The chirp control is based upon a real-time control loop based upon performance monitoring data between a transmitter and a receiver. Advantageously, the present invention enables improved performance in high-speed optical systems, and in some cases can eliminate or minimize the need for external dispersion compensation fiber (DCF). | 2009-09-17 |
20090232513 | OPTICAL SIGNAL SYNCHRONIZATION SAMPLING APPARATUS AND METHOD, AND OPTICAL SIGNAL MONITORING APPARATUS AND METHOD USING THE SAME - An electroabsorption optical modulator used as a sampling element has two optical terminals and a power supply terminal, the two optical terminals are used to input and output light, and the power supply terminal imparts an electric field to an optical path connecting the two optical terminals. The electroabsorption optical modulator has a characteristic in which an absorption index is changed with respect to the light beam propagating through the optical path according to a level of the electric field. A monitoring (synchronization sampling) object optical signal is input into one of the two optical terminals of the electroabsorption optical modulator. A predetermined direct-current voltage exhibiting a high absorption index for the monitoring (synchronization sampling) object optical signal is imparted to the power supply terminal of the electroabsorption optical modulator. A sampling optical pulse is input into another of the two optical terminals of the electroabsorption optical modulator through a photocoupler. The absorption index for the monitoring (synchronization sampling) object optical signal is lowered by a mutual absorption saturation characteristic of the electroabsorption optical modulator, and synchronization sampling of the monitoring (synchronization sampling) object optical signal is performed to supply an optical signal from the other of the two optical terminals of the electroabsorption optical modulator through the photocoupler. The mutual absorption saturation characteristic is generated when the sampling optical pulse is input into the other of the two optical terminals. | 2009-09-17 |
20090232514 | Optical Interconnect Solution - A low-cost, high-speed optical interconnect replacement for current electrical interconnects on printed circuit boards is provided. The invention achieves its goal by including an optical transmitter module or optical receiver module mounted in close proximity to a modulator used to encode optical signals from electrical impulses or decode optical signals to electrical impulses. A bare optical fiber is then used to transmit the signal from an optical encoding source to an optical receiver, providing a high-speed method of replacement for traditional electrical interconnects. | 2009-09-17 |
20090232515 | METHOD AND AN APPARATUS TO CONVERT A LIGHT SIGNAL EMITTED BY A DISPLAY INTO DIGITAL SIGNALS - The present invention provides a method and a device to convert a time varying optical pattern emitted by a display into a digital data signal. More specifically the invention allows a handheld security token to convert a time-varying light intensity pattern emitted by a source such as a computer screen into a digital signal including a sequence of coded data symbols. The invention is based on the insight that the intensity of light emitted by regions of said source can be easily sampled by a simple low-cost processor if appropriate A/D conversion hardware converts the incident light into an electrical signal which is time varying, whereby the base frequency of this electrical signal is a function of the light intensity. Intensity levels used for channel coding and symbol clock can be recovered from the signal by the receiver. The invention comprises measuring this electrical signal, transforming sets of measurements into intensity samples for a plurality of sampling windows, adaptively calculating discrete intensity levels from these intensity samples, assigning intensity levels to the sampling windows, detecting symbol period boundaries, and decoding the symbols. | 2009-09-17 |
20090232516 | OPTICAL TRANSMISSION APPARATUS, OPTICAL TRANSMISSION SYSTEM, APPARATUS CONTROL METHOD, AND RECORDING MEDIUM ON WHICH PROGRAM FOR THE APPARATUS IS RECORDED - A removable optical interface module is used to allow an optical transmission apparatus to flexibly respond to a change from a type of service to another that uses a different light wavelength. To this end, the optical transmission apparatus is removably provided with an optical interface module storing attribute information and includes a plurality of service implementation units implementing services using signals transmitted and received through the optical interface module. An operation selecting unit is provided which selects and causes a service implementation unit among the plurality of service implementation units that implement a service corresponding to the attribute information to operate. | 2009-09-17 |
20090232517 | DITHERLESS OPTICAL MODULATOR CONTROL - A method of controlling the operating parameters of an optical modulator, without using a dither signal, is provided. Past operating parameters are compared to present operating parameters using a quality of modulation signal obtained by cross-correlating the data modulation signal used to drive the optical modulator with the modulated optical signal output from the optical modulator. The quality of modulation signal is used to optimize the operating parameters (e.g., bias point) of the optical modulator, or other operating parameters of the arrangement, such as the modulator drive level, timing alignment, etc. | 2009-09-17 |
20090232518 | OPTICAL TRANSMITTER WITH ADAPTIVELY CONTROLLED OPTICALLY LINEARIZED MODULATOR - An optical transmitter for generating a modulated optical signal to be transmitted over fiber optical link. The transmitter includes: an optical source for producing an optical signal; an optically linearized modulator (OLM) as external modulator for modulating the optical signal produced by the optical source with an information carrying signal. The external modulator includes a first input port for receiving a first DC bias signal, and a second input port for receiving a second DC bias signal. The optical transmitter further includes a pilot tone generator for generating a first pilot signal to be applied to the first input port and a second pilot signal to be applied to the second input port. The first and second pilot signals are capable of producing distortion products in the modulated optical signal. A differential modulation signal is imposed onto either the first pilot signal or the second pilot signal so as to generate a first control signal that alternately adjusts the first DC bias signal and the second DC bias signal in order to minimize the distortion products. The optical transmitter may include a digital based control system that is adapted to reduce composite even and odd order distortions in the OLM. | 2009-09-17 |
20090232519 | OPTICAL RECEIVER FOR REGENERATION OF OPTICAL SIGNAL - An optical receiver includes: a converting unit that converts an optical signal into an electrical signal; an amplifying unit that amplifies the electrical signal; a regenerating unit that regenerates the amplified electrical signal; a correcting unit that performs correction of an error included in the regenerated electrical signal; a monitoring unit that performs monitoring of an optical current flowing through the converting unit; and a control unit that calculates a decision threshold based on a result of the correction and a result of the monitoring. | 2009-09-17 |
20090232520 | Image forming apparatus - An image forming apparatus is disclosed that includes image forming means receiving at least MICR print data and forming an image of the data to be printed, determination means determining whether received data are authentication-requiring MICR print data that require performing a password authentication process or normal MICR print data that do not require performing the password authentication process, accumulation means accumulating the data to be printed, and control means reading the authentication-requiring MICR print data from the accumulation means at a predetermined timing and causing the image forming means to form an image of the authentication-requiring MICR print data. | 2009-09-17 |
20090232521 | IMAGE FORMING APPARATUS, METHOD OF CONTROLLING THE IMAGE FORMING APPARATUS, AND STORAGE MEDIUM - An image forming apparatus which enables even a user who is not well informed about the mechanism of the image forming apparatus to easily perform operation check on a component roller. The image forming apparatus is provided with a sheet conveying mechanism including a plurality of component rollers. A CPU of a controller of the image forming apparatus selects a component roller to be subjected to operation check from the component rollers. Then, the CPU determines a sheet conveying path to pass the selected component roller. Further, the CPU controls the sheet conveying mechanism such that a sheet is conveyed along the determined conveying path. The CPU detects the conveyance status of a sheet while the sheet is being conveyed along the conveying path. | 2009-09-17 |
20090232522 | PRINTING SYSTEM, CONTROL METHOD THEREFOR, AND STORAGE MEDIUM STORING CONTROL PROGRAM THEREFOR - A printing system enabling a less wasteful and rapid printing restart for both cases where an interrupted job utilizes an ordered sheet, and where such a job utilizes a disordered sheet. A job processing unit executes a job outputting at least one sheet included in a set of a plurality of sheets in a case where sheets printed by a printing operation are outputted. A control unit controls to output, to a predetermined sheet-ejecting unit, a sheet which has not been outputted by the job processing unit among the set of a plurality of the sheets used by the job when the job executed by the job processing unit is interrupted. The job processing unit restarts to execute the interrupted job based on an instruction of a user after the sheet which has not been outputted by the job processing unit is outputted to the predetermined sheet-ejecting unit. | 2009-09-17 |
20090232523 | IMAGE FORMING APPARATUS AND PAPER-JAM CLEARING METHOD - A paper conveying path extends from a paper feeding tray to an image forming unit, a branch conveying path extends from a branching point in the paper conveying path to a paper container, a first paper sensor and a second paper sensor are arranged in the paper conveying path upstream of the branching point, and a switch nail is arranged at the branching point to switch paths between the paper conveying path and the branch conveying path. The switch nail is controlled so that a jammed paper is conveyed to the paper container via the branch conveying path upon detecting paper jamming in the paper conveying path and the first sensor detects the jammed paper while the second sensor does not detect the jammed paper. | 2009-09-17 |
20090232524 | DEVELOPER SUPPLY DEVICE, DEVELOPER SUPPLY CONTROL METHOD, AND DEVELOPER SUPPLY CONTROL PROGRAM - An image forming device in which the toner density of a two-component developing device can be stably controlled in printing a one-page image and the frequency of interruption of even printing a series of pages can be decreased as less as possible. The number of pixels of the image relevant to the development counted during the printing and the toner consumption is estimated from other image information, and the amount of toner corresponding to the consumption is supplemented. In this supplement, the count is acquired at an intermediate time of the one-page printing, the toner consumption is estimated, and the toner is supplemented during the printing after the intermediate time. Thereby, toner supplement can be performed ahead of its schedule, and a variation of the toner density can be prevented correspondingly. | 2009-09-17 |
20090232525 | IMAGE FORMING APPARATUS, METHOD OF DETERMINING DETERIORATION DEGREE OF DEVELOPMENT AGENT, AND PROGRAM OF DETERMINING DETERIORATION DEGREE OF DEVELOPMENT AGENT - The present invention provides a technique to accurately grasp a deterioration state of a development agent in a development device, in a development system which supplies a new development agent consisting of a toner and a carrier and discharges an deteriorated development agent to maintain a performance of a development agent in a development device. | 2009-09-17 |
20090232526 | Developer cartridge and image formation apparatus - A developer cartridge is provided, which contains developer made of toner and carrier and is detachably mounted in a body of an image formation apparatus. The developer cartridge is configured to include an ID chip in which a carrier content rate of the developer contained in an inner container of the developer cartridge is stored. | 2009-09-17 |
20090232527 | PAPER COLORING APPARATUS AND IMAGE FORMING SYSTEM - A paper coloring apparatus includes a coating apparatus which coats colored water on both faces of a paper sheet where an image has been formed by an electrophotographic image forming apparatus. | 2009-09-17 |
20090232528 | Image forming apparatus, image forming method, and computer program product - An image forming apparatus includes a sheet-type determining unit that determines a sheet type of a recording sheet; a sheet-characteristic measuring unit that measures a sheet characteristic of the recording sheet; an image processing unit that performs an image processing on image data of an image for adjusting a consumption amount of color material that is used for forming the image on the recording sheet based on the sheet type and the sheet characteristic; and an image forming unit that forms the image of the image data processed by the image processing unit on the recording sheet. | 2009-09-17 |
20090232529 | IMAGE FORMING APPARATUS - An image forming apparatus comprising: a sensor which detects a density of a patch image formed on an image carrier; an image quality control section which controls an image forming condition based on a detection value of the sensor; and a judging section which judges if the detection value has a tendency of increasing or decreasing, or not, wherein, the image quality control section compensates the image forming condition with a first compensating amount in case when the detection value does not have the tendency of increasing nor decreasing, and compensates the image forming condition with a second compensate amount of which absolute value is larger than an absolute value of the first compensating amount corresponding to the second compensate amount, in case when the detection value has the tendency of increasing or decreasing. | 2009-09-17 |
20090232530 | IMAGE FORMING APPARATUS - An apparatus includes an image bearing member for carrying an image; an intermediary transfer member for receiving the image; a primary transfer member for transfer of the image onto the intermediary transfer member in a primary transfer station; a secondary transfer member for transfer of the image onto a transfer material in a secondary transfer station; a first charging member for charging toner remaining in a region upstream of the primary transfer station and downstream of the secondary transfer station; and a second charging member for charging the toner remaining in a region upstream of the primary transfer station and downstream of the first charging member. The first charging member rubs a surface of, and the second charging member moves in contact with, the intermediary transfer member, to transfer the toner remaining on the intermediary transfer member to the image bearing member simultaneously with the primary transfer. | 2009-09-17 |
20090232531 | DEVELOPING APPARATUS OF IMAGE FORMING APPARATUS AND SUPPLYING METHOD OF TONER - A developing unit that includes a stirring roller stirring a developer and a developing roller and develops an electrostatic latent image formed on an image carrier to form a toner image; a drive source that rotationally drives the developing roller and the stirring roller; and a control unit that switches a rotational speed of the developing roller in modes of an image formation mode and an adjustment mode, and rotationally controls the stirring roller at a first speed in the modes are provided. | 2009-09-17 |
20090232532 | DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - Provided is a developing device containing a two-component developer including a magnetic carrier and a toner; a developer bearing member containing a nonmagnetic developing sleeve configured to bear the two-component developer on a surface thereof while rotating; a magnetic field generating unit fixed inside of the nonmagnetic developing sleeve; and a developer amount control member configured to control an amount of the two-component developer borne on the developer bearing member. The magnetic carrier contains a core material and a coating layer coated on the core material, and the coating layer containing a binder resin and conductive particles. The magnetic carrier satisfy a ratio D/h of 1.00<[D/h]≦1.95, where D denotes an average primary particle diameter of the conductive fine particles, and h denotes a thickness of the coating layer, and a ratio Ra/D of 1.0<[Ra/D]≦10.0, where Ra denotes a surface roughness of the developing sleeve. | 2009-09-17 |