Abstract: A light guide apparatus includes a light guide layer and an injection layer further including light injection elements and respective light bypass elements disposed optically upstream of the light injection elements. The light injection elements and/or the bypass elements may take the form of air prisms. There is an axial index of refraction variation between the light guide layer and the injection layer. The axial index of refraction variation may be discrete or may be an axial gradient index variation.

Abstract: A housing including a plurality of openings for receiving fiber optic connectors and protecting the polished end face of the connectors from damage while the connectors are stored within a telecommunications connection cabinet. A module with a plurality of optical fiber cables connected to a first optical fiber cable and terminated by a fiber optic connector. Each of the connectors are inserted within openings in a connector holder for storage and protection until the cables need to be connected to a customer equipment cable.

Abstract: A high density optical fiber distribution system is disclosed which includes two columns of optical fiber termination blocks mounted on a standard telecommunication equipment rack. The rack includes a base and two vertical support members that define a bay. The optical fiber termination blocks are positioned on a front side of the rack and are mounted to one of the vertical support members by a mounting bracket. Each of the optical termination blocks includes a plurality of optical modules. The system can also include a vertical jumper slack storage portion adjacent to each column of optical fiber termination blocks, as well as a plurality of jumper routing troughs attached to a rear side of the rack.

Abstract: Fiber optic cables seal and/or strain relief members and related assemblies and methods are disclosed. In one embodiment, an elongated member is provided that facilitates providing sealing and/or strain relief of a portion of multiple fiber optic cables not enclosed within a common outer cable jacket or sheath when disposed through the opening of the fiber optic terminal. In one embodiment, the elongated member includes a sealing portion configured to facilitate sealing of a fiber optic terminal opening when the multiple fiber optic cables are received in the sealing portion and the elongated member is disposed through the opening of the fiber optic terminal. In another embodiment, the elongated member includes a strain relief portion on a second end configured to receive and provide strain relief to the multiple fiber optic cables disposed inside the fiber optic terminal, when the elongated member is disposed through the fiber optic terminal opening.

Abstract: The present invention relates to a cable sealing device for sealing a passage of a cable, to a cable termination provided with the cable sealing device and to an attaching device securable to a cable for supporting an installing of the cable sealing device on the cable. The cable sealing device is simply mountable on a cable providing an attaching part and reliably securable on the cable in its circumferential and longitudinal directions. The cable sealing device (10) comprises a sealing part (11) providing a passageway with an inner seal (14) through which a cable (2) is sealingly guidable, and an outer seal (15) arranged on an outer circumference of the sealing part (11).

Abstract: The present invention enables an effective use of a ring buffer. A video recording apparatus includes a first thinning process unit which reduces a data size of camera videos transmitted from a camera to a frame rate number of the camera videos, and which stores the camera videos having undergone a thinning process in a ring buffer, and a second thinning process unit which further reduces the data size of the videos stored in the ring buffer at a frame rate number in accordance with a condition among a plurality of conditions. The first thinning process unit stores the camera videos in the ring buffer at a frame rate that is the lowest common multiple of the frame rate numbers of the plurality of conditions.

Abstract: An image processing device, and associated method and computer program product, includes a user interface control unit that causes respective appearance materials in an image portfolio to be displayed on a display. Respective appearance materials are displayed in a spatial relationship. The user interface display control unit changes respective relationship values between the respective appearance materials in response to a change in the spatial relationship received as input to the user interface display control unit.

Abstract: An image displaying apparatus, an image editing apparatus, an image editing system, an image displaying method and an image editing method are disclosed. The image displaying apparatus includes an image processing unit which captures a still image, a communication module which communicates with an external device, and a control unit which controls an edited image to be displayed.

Abstract: A system is provided that facilitates achieving a goal associated with a particular video asset. The system may provide an interface through which a user may specify control parameters that are to be the targets of testing, and a goal or combination of goals. The system may control a controller that performs experiments in an attempt to identify optimal values, relative to the specified goals, for the control parameters. The optimal values may be determined and tested on a per-individual-video asset basis. Further, the controller may generate multiple sets of optimal values for a given video, where each set is associated with a different combination of request attributes. To estimate the optimal parameter values for one video, the controller may use usage information collected for that video, as well as usage information collected for similar videos.

Abstract: Systems and methods are presented for enriching audio/video recordings using annotation data provided by attendees of a presentation, in which annotations from attendees are received by a server which merges and synchronizes the annotation data, performs text data mining to identify key messages and temporal segments of the audio/video data, and constructs an enriched audio/video recording including audio and/or video data as well as segment data and key message data for ease of user navigation.

Abstract: An image displaying apparatus, an image editing apparatus, an image editing system, an image displaying method and an image editing method are disclosed. The image displaying apparatus includes an image processing unit which captures a still image, a communication module which communicates with an external device, and a control unit which controls an edited image to be displayed.

Abstract: One embodiment provides a reproduction control device including: a first receiving module configured to receive addresses of plural respective content data that correspond to each other in substance but are different from each other in usable functions and first function information indicating sets of usable functions of the plural respective content data; a second receiving module configured to receive second function information indicating functions supported by an external device; a selecting module configured to select a function to be used in playing back; and a sending module configured to determine content data that allow the external device to use the selected function according to the first and second function information, and to send an address of the determined content data to the external device.

Abstract: A method and system for storing a video on a storage device are provided. The method includes formatting each image in a plurality of images into a plurality of tiles, the plurality of images being captured as a temporal sequence of images at successive points in time. The method further includes selecting a tile from each image in the temporal sequence of images to obtain a temporal sequence of tiles to generate a video segment; selecting another tile from each image in the temporal sequence of images to obtain another temporal sequence of tiles to generate another video segment; and repeating the selecting a tile from each image in the temporal sequence of images to obtain a plurality of temporal sequences of tiles to generate a plurality of video segments. The obtained plurality of video segments are stored in a file on the storage device.

Abstract: A warmer device includes a rechargeable warmer bag containing liquid, a protection device for disposing the rechargeable warmer bag thereat, a charging unit for charging the rechargeable warmer bag to heat up liquid at a usable temperature, and a monitoring device for monitoring the rechargeable warmer bag, wherein the monitoring device includes an actuator operatively linked to the charging device and arranged in such a manner that the actuator is switched on to ensure the heating unit being operated to heat up the liquid, wherein the actuator is actuated by the bag when the bag is expanded, such that the actuator is switched off in response to an expansion of the bag at the protection device to cut off a power supply of the charging unit for preventing the bag being over-expanded.

Abstract: Electric air heater, in particular for electrical domestic appliances, comprising at least one heating element (20) provided with an insulated supporting element (21) on which at least one resistance wire (22) is wound. An electrical connector (17) clamps, with at least one electrical pin (18), said at least one heating element (20), tapping at least one end of said resistance wire (22). The electrical connections of a thermostat (15) and/or a thermistor (14) are made by means of electrical tracks (16) formed directly on a surface (25) of housing (13) to which said thermostat (15) and/or thermistor (14) are attached. Said electrical connector (17) clamps said surface (25) with at least one further electrical pin.

Abstract: The invention relates to a line for transporting a hydrocarbon. The line includes a hollow inner tube extending in a longitudinal direction for transporting the fluid in the inner tube and having an electrically insulating outer surface. A heating layer is arranged on the inner tube and comprises carbon fibres embedded in a polymer material. A heat insulation layer is arranged around the heating layer. An outer tube is arranged around the heat insulation layer. The outer tube is designed to resist an outer pressure at least higher than 100 bar. Spacing means hold the outer tube at a distance from the inner tube in a fixed manner. Power supply means feed an electric current to the heating layer in order to heat the inner tube.

Abstract: The subject matter disclosed herein relates to an optical module that includes interchangeable lenses to adjust a zoom level of the optical module.

Abstract: Methods for automatic focus in a stereographic imaging device that includes two imaging sensor systems are provided. Focus searches are executed on both imaging sensor systems to determine optimal focused lens positions for each. The focus searches may be executed currently or sequentially, and may be at differing lens position granularities. Focal scores and spatial locations, i.e., the locations of focus regions, may be shared between the imaging sensor systems to coordinate the focus searches. Touchscreen coordinates may also be used to coordinate the focus searches.

Abstract: Optical equipment which can prevent image blurring and enable a lens to be stopped in a position requiring low power consumption is provided. The optical equipment includes a lens driving unit supplied with electric power from a camera body to drive a focusing lens. The equipment further includes an aperture driving unit for driving an aperture and a drive control unit that positions s the focusing lens to minimize low power consumption and controls the aperture driving unit during opening of the aperture so that the focal position of the focusing lens falls within a focal depth. In this way, a lens position-control unit for controlling an AF motor can stop the lens in a position that does not cause image blur and reduces power consumption.

Abstract: Optical equipment capable of stopping a lens in a position producing no image blur and requiring low power consumption is provided. The optical equipment includes a lens driving unit for driving a focusing lens. The equipment further includes a drive-setting unit configured to set an optimal drive amount for positioning the focusing lens at an appropriate focal depth while minimizing the amount of power consumed in the process. The optical equipment includes a lens position-control unit that controls the lens driving unit based on the drive amount set by the drive-setting unit controlling the movement of the focusing lens. The lens position-control unit can stop the lens in a position producing no image blur and requiring low power consumption.

Abstract: A flash module including a main body, a fixing base, a rotating structure, a switch and a linking structure is disclosed. The rotating structure is movably connected between the main body and the fixing base. The switch has a moving part. The linking structure is connected between the rotating structure and the moving part. The linking structure moves the moving part to an open position from a close position and rotates the rotating structure, so that the main body is moved relative to the fixing base.

Abstract: A camera system includes an image capture section, a positioning section that performs positioning and a control section that controls the positioning section. The control section causes at least one operation of the positioning section and the control section to transition to a power saving mode, while the image capture section continues a predetermined operation.

Abstract: A black curable composition for forming a light-shielding color filter of solid-state imaging device is provided, which is capable of forming a pattern at low exposure dose even when containing a high concentration of an inorganic pigment, and preventing pattern defects. Also, a black curable composition for a wafer level lens is provided, which is capable of forming a cured film having excellent light shieldability and excellent in co-formability of both a large pattern and a fine pattern. The composition includes: an inorganic pigment; a copolymer containing a monomer having at least one of an amino group and a nitrogen-containing heterocyclic group, a monomer having at least one group of a carboxyl group, a phosphate group and a sulfonate group, and a macromonomer having a weight average molecular weight from 1,000 to 50,000; a polymerization initiator; a polymerizable compound; and an alkali-soluble resin having an unsaturated double bond.

Abstract: An imaging device enclosure for a vehicle including a housing having an image device aperture. A motor is disposed in the housing and is operably connected with a mobile wedge. The mobile wedge is operable between an extended position and a retracted position. An imaging device is slidably connected with the mobile wedge and is movable between the retracted position corresponding to the extended position of the mobile wedge and the extended position corresponding to the retracted position. A flexible boot is disposed over the image device aperture. The flexible boot defines a flexible opening. The imaging device protrudes through the flexible opening when the imaging device is in the extended position.

Abstract: The invention provides a compact camera module and a method for fabricating the same. A compact camera module includes an image sensor device package. A back spacer ring is disposed on the image sensor device package. A first edge of the back spacer ring is aligned to a second edge of the image sensor device package. An optical lens plate disposed over the back spacer ring. A front spacer ring is sandwiched between the back spacer ring and the optical lens plate. A third edge of the front spacer ring is aligned to a fourth edge of the optical lens plate.

Abstract: An adapter includes: a first mount section that is detachably attached to a camera body; a second mount section that is provided separately from the first mount section and is detachably attached to an interchangeable lens; and an adapter control section that is capable of communicating between the camera body mounted on the first mount section and the interchangeable lens mounted on the second mount section. The adapter control section provides body transmission lens information for transmission to the camera body, on the basis of lens information requested from the camera body and lens information received from the interchangeable lens, through mutually different methods according to types of the lens information.

Abstract: An apparatus for attachment to a portable image capture and storage device. The apparatus includes an auxiliary lens and an elastic band coupled thereto. The auxiliary lens is shaped for image alteration of an image obtained by the portable image capture and storage device. The auxiliary lens characterized by an optical axis extending from a base of the lens to a crown of the lens. The elastic band extends, at least in part, in a lateral direction, substantially orthogonal to the optical axis, from the auxiliary lens. The elastic band in combination with the auxiliary lens forms a closed loop whereby the apparatus is removably attachable to a peripheral portion of the image capture and storage device to alter the appearance of the image obtained by the portable image capture and storage device.

Abstract: An apparatus switches paths in a wavelength-multiplexing network in which a first number of wavelengths each used for a path to transmit an optical signal are multiplexed into an optical fiber. The apparatus includes an entire switching unit and a second number of individual switching units where the second number is smaller than the first number. The entire switching unit is configured to perform a path-switching process for switching a path, simultaneously on all the first number of wavelengths when failures have occurred for all the first number of wavelengths. The second number of individual switching units are each configured to perform the path-switching process individually on one of a third number of wavelengths included in the first number of wavelengths when at least one failure has occurred for the third number of wavelengths where the third numbers is smaller than the first number.

Abstract: The present invention relates to an optical receiver (1) for receiving alternating-light data signals and for storing electrical energy obtained from extraneous light, having a photodiode (2) for receiving light, which comprises extraneous light and an alternating-light data signal component with a higher frequency in comparison to the extraneous light, and for converting the light into a photocurrent (IP) which comprises a data signal current (IN) and an extraneous light current (IF) said receiver additionally comprises a coupling unit (3) for coupling in and separating the data signal current generated by the optical alternating-light data signal component from the extraneous light current generated by the extraneous light, an amplifying unit (4) for amplifying the data signal current and an energy storage unit (5) which is charged by the extraneous light current (IF) and which includes a circuit for increasing voltage, wherein the energy charged in the energy storage unit (5) is used for at least partially

Abstract: The disclosure claims a method and system for detecting optical fibre connection.

Abstract: When a circuit that calculates a frequency offset using a shape of a frequency spectrum is implemented by hardware, the circuit size can be reduced.

Abstract: In the optical receiver available for the RZ-DPSK modulation system, the difference in the received intensity due to the difference in the intensity or optical path of the optical signal cannot be corrected automatically, therefore, an optical receiver according to an exemplary aspect of the invention includes a first photodiode receiving a normal phase optical signal from a first output of a 1-bit delayed interferometer and outputting a positive signal; a second photodiode receiving a reversed phase optical signal from a second output of the 1-bit delayed interferometer and outputting a complementary signal; a differential transimpedance amplifier inputting the positive signal and the complementary signal and including a closed feedback loop for each input of the positive signal and the complementary signal; a level adjustment unit adjusting a signal level in the closed feedback loop; a photoelectric current detection unit detecting a photoelectric current generated in each of the first photodiode and the se

Abstract: A method for determining an optical signal-to-noise ratio penalty as a measure for a quality of an optical signal transmitted via an optical link between a source optical node and a destination optical node in an optical network, the method includes collecting information of the optical link; determining a configuration parameter Pconf of the optical link based on the information of the optical link; adjusting the configuration parameter Pconf to an adjusted configuration parameter P?conf according to linear impairments in the optical link; and determining the optical signal-to-noise ratio penalty based on a non-linear function of the adjusted configuration parameter P?conf, the non-linear function accounting for non-linear impairments in the optical link.

Abstract: An optical network (1) comprising an optical network element (10) comprising a first optical transmitter (14), a first controller (16), a first optical receiver and a second optical receiver and a second optical network element (12). There is provided a transmission path (30) between said first optical network element and said second optical network element. Said first optical transmitter is arranged to generate and transmit a first optical signal. Said first controller is arranged to control said first optical transmitter to generate and transmit said first optical signal at a wavelength selected from a predetermined plurality of wavelengths. Said first optical receiver is arranged to detect a backscatter portion of said first optical signal returned to said first optical network element along said transmission path by distributing scattering.

Abstract: There is provided a repeater to relay an optical signal transmitted/received between an optical line terminal (OLT) and at least one optical network unit (ONU), the repeater including: a first port configured to receive an optical signal input from the at least one ONU; a converter circuit configured to convert an optical signal of a first transmission rate into an optical signal of a second transmission rate higher than the first transmission rate, the optical signal of the first transmission rate to be converted being included in optical signals received at the first port; and a second port configured to output the optical signal converted by the converter circuit to the OLT.

Abstract: A communication system includes a configurable transceiver that accommodates multi-band, multi-format signals by incorporating a duplex transceiver circuit, a simplex transceiver circuit and at least two switches. A first switch may be operated so as to configure the configurable transceiver to propagate duplex signals, such as for example, frequency division multiplexed (FDD) signals. The second switch may be operated so as to configure the simplex transceiver circuit to provide signal propagation of various types of signals in either a receive direction or a transmit direction. The various types of signals include time division multiplexed (TDD) signals.

Abstract: Methods and apparatuses for controlling the flow of video over Ethernet (VoE) traffic in a network are disclosed. The method can include originating the VoE traffic from an add node in the network. A first control signal can be received from a first drop node in the network containing a drop port configured to receive the VoE traffic. The add node can determined if the first drop node contains the drop port based on the first control signal.

Abstract: A method for establishing an end-to-end service is provided in the present invention, which includes: acquiring link information in a network and multi-stage multiplexing capability constraint information supported by gateway network elements; when an end-to-end path computation request is received, according to the link information and the multi-stage multiplexing capability constraint information, performing an end-to-end routing computation to acquire an end-to-end routing, and selecting a multi-stage multiplexing capability used on a gateway network element passed by the end-to-end routing; and configuring the end-to-end service, and configuring the selected multi-stage multiplexing capability on the gateway network element passed by the end-to-end routing. A system for establishing the end-to-end service, an optical transport network and a signal transmission method thereof are also provided in the present invention, which can all implement the interconnection between new networks and old networks.

Abstract: An optical signal transmitting system, comprising: an optical transmitter including one or more input terminals and an output terminal; and a temporal polarization interleaver including an input terminal and an output terminal, wherein the output terminal of the optical transmitter is communicatively coupled to the input terminal of the temporal polarization interleaver, wherein: the optical transmitter is configured to receive one or more input signals through its one or more input terminals, generate an output signal using the one or more input signals, the output signal including a x-polarized tributary and a y-polarized tributary that is pulse-to-pulse aligned with the x-polarized tributary, and transmit the output signal to the temporal polarization interleaver; and the temporal polarization interleaver is configured to receive the output signal from the optical transmitter and cause a predefined phase delay to one of the x-polarized tributary and the y-polarized tributary.

Abstract: An optical add/drop multiplexer including one or more optical drop multiplexers connected in free space or fused by optical fiber pigtails, a wavelength blocker with an input port connected to an output port of the optical drop multiplexer through the fusion of the fiber pigtails, one or more optical add multiplexers connected in free space or fused by fiber pigtails, a digital signal processor, an analog-to-digital signal converter, a digital-to-analog converter, and a plurality of electronic control and feedback loops for tuning and scanning an optical wavelength.

Abstract: Serially-distributed access points in a communication network include a cable including network communication wires, a plurality of access points connected in series with the network communication wires along a length of the cable, and a headend interface connected at one end of the cable and operable to provide a communication interface with the access points. Low-cost access point chipsets are used to build an enterprise-class communication network by embedding many low-cost, consumer grade access point chipsets into a single cable. The distance between the chipsets is small enough so as to create many microcells.

Abstract: Optical fiber-based distributed communications components and systems, and related methods to provide localization services for client devices are disclosed. The localization services allow the providing and/or determination of the location of client devices in communication with a component or components of the optical fiber-based distributed communications system. The location of client devices can be provided and/or determined based on knowledge of the location of the component or components in the optical fiber-based distributed communications system in communication with the client device. This information can be used to determine or provide a more precise area of location or area of location for client devices.

Abstract: A method for optically transmitting data into and from a casing of a projectile. The method including: transmitting, from an outside of the casing to an inside of the casing, a first optical signal containing first data through a first optical window disposed on the casing; manipulating the first data inside the casing of the projectile into second data; and transmitting, from the inside of the casing to the outside of the casing, a second optical signal containing the second data through a second optical window. The first and second optical windows can be the same optical window or different optical windows.

Abstract: A communication system and method are described for transmitting data from a display in a bit transmission data format to a machine vision system. The described system and method allows for the process and further application of a larger amount of data faster and more reliably than by use of the human readable data from the display. A standard LCD screen displays bit transmission data corresponding to human readable data, and transmits the bit transmission data to a machine vision system, such as by use of the camera on a smart phone. The captured bit transmission data is converted into a bit data stream for further processing, such as by use of an application in the smart phone, and can be stored in memory and/or transmitted to another system to provide useful human readable information. Faster transmission of a greater amount of data is realized including, in one aspect of the bit generation, data error and correction codes.

Abstract: In one aspect, the present disclosure relates to a method for demodulating a modulated light signal in a light based positioning system. In some embodiments, the method includes receiving a modulated light signal at a device, the modulated light signal transmitting an arbitrary identifier of a light source, recording the modulated light signal using a rolling shutter image sensor to create a raw image having alternating spaced apart stripes, subtracting background information from the raw image to create an isolated image, taking a Fourier transform of an image representative of the isolated image to calculate a Fourier transformed signal, and determining the arbitrary identifier of the light source based on the Fourier transformed signal.

Abstract: A communications device includes a transmitter device including an optical source configured to generate an optical carrier signal, and a modulator coupled to the optical source and configured to modulate the optical carrier signal with an input signal having a first frequency, an optical waveguide coupled to the transmitter device, and a receiver device coupled to the optical waveguide. The receiver device includes an optical splitter, a first waveguide path coupled to the optical splitter and configured to filter a sideband from the modulated optical carrier signal, a second waveguide path coupled to the optical splitter and configured to generate a selected sideband from selectable sidebands based upon the modulated optical carrier signal, and an optical-to-electrical converter coupled to the first and second waveguide paths and configured to generate an output signal including a replica of the input signal at a second frequency based upon the selected sideband.

Abstract: Methods and apparatuses for reducing the sensitivity of an optical signal to polarization. The method generally includes (i) reflecting the optical signal from a first mirror at a first angle relative to the optical signal to a second mirror at a second angle, and (ii) further reflecting the reflected optical signal from the second mirror to a receiver. The apparatus generally comprises (i) a first mirror at a first angle relative to an incident optical signal and configured to reflect the incident optical signal, (ii) a second mirror at a second angle configured to further reflect the reflected optical signal to a first receiver, and (iii) a lens configured to focus and/or collimate the optical signal or the reflected optical signal. The first angle is configured to reduce polarization of the reflected optical signal, thereby maximizing the intensity or power of the optical signal.

Abstract: In one aspect, the present disclosure relates to a method for broadcasting a modulated digital pulse recognition signal from a light source. In some embodiments, the method includes selecting one or more digital pulse recognition tones to broadcast, determining a desired brightness level for the light source, generating a digital pulse recognition signal having a duty cycle based on the desired brightness level and a frequency based on the one or more digital pulse recognition tones, and driving the output of the light source with the digital pulse recognition signal. In some embodiments, selecting one or more digital pulse recognition tones to broadcast includes generating a single periodic tone for differentiating the light source from a nearby light source. In some embodiments, selecting one or more digital pulse recognition tones to broadcast includes generating a sequence of periodic tones.

Abstract: A transmission apparatus includes a generation unit configured to generate a first data unit including a second data unit, and an addition unit configured to add fault data indicating a fault state of the second data unit to a data portion different from a data portion in which the second data unit is positioned within the first data unit.

Abstract: An optical modulation device includes a generating circuit that generates a low-frequency signal, an average value of amplitude as an alternating-current component of the low-frequency signal being different from a center value of the amplitude of the low-frequency signal, a superimposing unit that superimposes the low-frequency signal on a data signal, an optical modulator that modulates, using the superimposition of the low-frequency signal by the superimposing unit, light from a light source and outputs a light signal, a calculating circuit that calculates an amplitude average value and an amplitude center value of a low-frequency component obtained from the light signal output by the optical modulator, and a controller that controls a bias voltage of the optical modulator such that the amplitude average value is brought closer to the amplitude center value of the frequency component calculated by the calculating circuit.