This page is updated frequently with new Optic-related patent applications.
|| List of recent Optic-related patents
|Optical unit for an opto-electronic system|
The invention relates to an optical unit for an opto-electronic system, said optical unit comprising: a first and a second opto-electronic component; a casing suitable for containing said first and second opto-electronic component; and a fastening system suitable for connecting together said first and second opto-electronic components, characterised in that said fastening system is fixed to a first end of said first opto-electronic component and to a first end of said second opto-electronic component and comprises: an elastic device movable between an undeformed operative position and a compressed operative position, and a mechanical fastening device suitable for taking said elastic device into said compressed operative position when said mechanical fastening device couples together said first and said second optoelectronic component.. .
Datalogic Ip Tech S.r.i.
|Pluggable optical communications module having an improved latching/delatching mechanism, and an optical communications assembly that includes the module|
An optical communications module having an improved latching/delatching mechanism is provided. The slider arms of the latching/delatching mechanism are partially encased in the module housing.
Avago Technologies General Ip (singapore) Pte. Ltd.
|Apparatus for and source material delivery in a laser produced plasma euv light source|
A device and method are disclosed in which gas is caused to flow parallel to a flow of source material to form a gas shroud. The gas shroud may protect flow of source material from being disrupted by a cross flow of gas.
Asml Netherlands B.v.
|Led retrofit assembly|
A retrofit kit for an existing lamp uses its lighting and optical structure to retrofit existing lamp and use the existing lens of the lamp. The new lamp also includes electronic controls which enable remotely or manually controlling the lamp, and also enable other functions..
Production Resource Group, Llc
|Sensing within a region|
A controller comprising a control module configured to: use a non-optical sensor to perform motion detection; in response to the non-optical sensor detecting motion whilst one or more lighting device is operating in a first state whereby the lighting device(s) illuminates an environment according to a first level or emits no light, control the lighting device(s) to operate in a second state whereby the lighting device(s) illuminates the environment according to a second level higher than the first level, use a light sensor to perform motion detection whilst the lighting device(s) is operating in the second state; if no motion is detected by the light sensor, control the lighting device(s) to operate in the first state or a further state; and in response to the light sensor detecting motion, control the lighting device(s) to illuminate the environment according to a third level higher than the second level.. .
Koninklijke Philips N.v.
|Improvements in and relating to displays and light sources for displays|
A light source for a colour display apparatus (1) for displaying light at optical wavelengths corresponding a plurality of different colours sequentially, comprising a plurality of light-emitting diodes (3, 4, 5) each respectively operable to emit light to display a respective one of the plurality of different colours, a power source (26) connected to the plurality of leds for supplying power thereto a plurality of capacitor units (7, 8, 9) connected to the power source to be provided thereby with charge for generating a respective one of a plurality of different respective forward bias voltages for application to the leds to operate the led. A control unit (10) is operable to selectively connect a capacitor unit to an led for applying a desired one of the different said forward bias voltages thereto according to the colour of light which the led is operable to display..
Bae Systems Plc
|A for determining the suitability of a cookware for a corresponding induction coil of an induction cooking hob|
The present invention relates to a method for determining the suitability of a cookware (20, 22) for a corresponding induction coil (14) of an induction cooking hob (10), wherein the method includes the steps of:—detecting the current through the induction coil (14), and/or—detecting the phase difference between the voltage and current of the induction coil (14), and/or—detecting the frequency at the induction coil (14), and—comparing the detected current with a stored maximum value of said current, and/or—comparing the detected phase difference with a stored maximum value of said phase difference, and/or—comparing the detected frequency with a stored maximum frequency, respectively, and—calculating the power transfer from the detected current, phase difference and/or frequency,—estimating the suitability of the cookware (20, 22) in dependence of the power transfer and at least one of the compared parameters, and—outputting at least one optical and/or acoustic signal corresponding with the suitability of the cookware (20, 22). Further, the present invention relates to a device for determining suitability of the cookware (20, 22) for the corresponding induction coil (14) of the induction cooking hob (10)..
Electrolux Appliances Aktiebolag
|Techniques for analyzing connectivity within an audio transducer array|
An array of audio transducers includes an optical emitter, for example, and without limitation, a light emitting diode (led), associated with each transducer. Simultaneous stimulation of all transducers illuminates all led's.
Harman International Industries, Inc.
|Hybrid optical switch for software-defined networking|
We disclose a hybrid optical switch configured to switch optical channels based on their respective utilization factors. In an example embodiment, optical channels having relatively low utilization factors are unwrapped down to payload units, which are then switched electrically, e.g., using an optical-transport-network (otn) switch, in a manner that tends to increase the utilization factors of the optical channels that carry the switched payload units.
Alcatel-lucent Usa Inc.
|Structured-light projector and three-dimensional scanner comprising such a projector|
A structured-light projector including a light source, an optical system for spectral decomposition, an encoding device, an optical system for spectral recombination and an optical system for projection. The encoding device includes a mask that includes a binary encoding matrix pattern formed from 2*n rows and m columns, a sub-pattern defined by the rows “1” to “n” being illuminated by an image of the beam with the wavelength λmin and a sub-pattern defined by the rows “n+1” to “2*n” being illuminated by an image of the beam with a wavelength λmax.
Commissariat A L'energie Atomique Et Aux Energies Alternatives
An optical system includes at least one optical apparatus. The optical apparatus includes a first light source, a second light source, and a dynamic switch.
Test Research, Inc.
Reproduction device, reproduction method, and recording medium
An optical disc records tone_mapping_info including hdr information indicating a luminance feature of hdr graphics which are graphics with a second luminance range different from and broader than a first luminance range, tone_mapping_info which is tone mapping definition information used when luminance conversion from the hdr graphics to std graphics which are graphics with the first luminance range is performed, and a graphics stream including data of the hdr graphics. The present technology is applicable to a recording medium recording graphics..
Optimization of optical systems for improved light field capture and manipulation
According to various embodiments of the present invention, the optical systems of light field capture devices are optimized so as to improve captured light field image data. Optimizing optical systems of light field capture devices can result in captured light field image data (both still and video) that is cheaper and/or easier to process.
Light source apparatus and projector having light source apparatus
A light source apparatus comprising light sources including laser diodes and collimating lenses, a condenser lens, and a transmissive phosphor wheel. The collimating lens and laser diode are placed with a first shift such that an optical axis of the collimating lens is shifted from that of light from said laser diode in the direction perpendicular thereto.
Optical system and image compensating optical apparatus
An optical system includes an optical apparatus. The optical apparatus is for projecting a first projection image to a plane or detecting a first detected image of the plane.
Test Research, Inc.
Effiicient process for camera call-up
A surveillance system includes one or more camera systems at least some of the camera systems including a camera element comprising optical components to capture and process light to produce images, camera processing circuitry that receives the light and processes the light into electrical signals and encodes the signals into a defined format, power management circuitry to power the camera system, the power management system including first and second power interfaces and first and second video output interfaces.. .
Sensormatic Electronics, Llc
Imaging apparatus, imaging system, and image processing method
An imaging apparatus includes an optical system, a data storage unit, an imaging unit, and an image processing unit. The optical system is variable in focal distance and varies a size of an image circle by the focal distance.
Optical image stabilizer and decreasing power consumption
An optical image stabilizer includes a motion sensor configured to sense a movement of a camera, and a controller configured to move a lens module based on the movement of the camera. The optical image stabilizer enters a standby mode based on an ois turn-off command being received from a host, in response to the camera being turned off or a camera function being executed in a background during a stage in which an optical image stabilization (ois) operation is performed.
Samsung Electro-mechanics Co., Ltd.
Imaging apparatus and imaging method
An imaging apparatus includes an imaging unit and a transmission unit. The imaging unit is configured to capture two images that are different from each other by a predetermined amount of an optical distance (focus) between an objective lens and an imaging device having a first resolution.
High-resolution imaging devices using low-resolution sensors and compressive sensing exploiting joint sparsity
A method and system for reconstructing an image of a scene comprises configuring a digital light modulator according to a spatially varying pattern. Light energy associated with the scene and incident on the spatially varying pattern is collected and optically focused on the photodetectors.
Imaging device, ranging device and imaging apparatus
An imaging device includes a first imaging area having a plurality of first pixels and a plurality of second pixels arranged therein and a second imaging area having a plurality of first pixels and a plurality of third pixels arranged therein. Each of the first pixels, each of the second pixels and each of the third pixels receive a light flux from first, second and third pupil areas, respectively, of the exit pupil of an optical system and operate for photoelectric conversion.
Canon Kabushiki Kaisha
Focus control apparatus, optical apparatus, focus control method, and storage medium storing focus detection program
The focus control apparatus drives a focus element by following drive amounts: when a reliability of a phase difference focus detection is higher than a first reliability and a defocus amount is larger than a first defocus amount, a first drive amount that is smaller than a phase difference in-focus drive amount by a first non-drive amount; when the reliability is higher than the first reliability and the defocus amount is smaller than the first defocus amount, the phase difference in-focus drive amount; and when the reliability is lower than the first reliability and higher than a second reliability and the defocus amount is larger than a second defocus amount, a second drive amount that is smaller than the phase difference in-focus drive amount by a second non-drive amount. The apparatus drives the focus element, in other cases, by using the contrast evaluation value..
Canon Kabushiki Kaisha
There is provided a camera module including a first camera unit, a second camera unit, and an actuator. The actuator is configured to obtain a resolving power value of an image captured by the second camera unit and move a lens barrel of the first camera unit in an optical axis direction to adjust the focal length of the first camera unit according to the resolving power value..
Samsung Electro-mechanics Co., Ltd.
An imaging apparatus includes an optical system that condenses light received from a subject, an imaging device that photoelectrically converts the light received from the optical system to form a pickup image, and a cover glass disposed between the optical system and the imaging device to protect a surface of the imaging device. The cover glass is disposed obliquely to the imaging device.
Intrapersonal data communication systems
Intrapersonal communication systems and methods that provide an optical digital signal link between two or more local devices are disclosed. In some embodiments, the system includes a first signal converter disposed at a first end of the optical digital signal link and configured to convert between electrical digital signals from a first local device and optical digital signals from the optical digital signal link.
N2 Imaging Systems, Llc
Access node and method
An all-encompassing fully integrated communication access node for call stations and other security and communications equipment includes a modular housing within which is mounted wire and wireless communication systems and power systems. The housing has a chassis for mounting the electronics and battery modules and a backbox and panel for staged installations, managing cables and providing heat dissipation.
Boyce Technologies Inc.
System and selective advertisement of availability to communicate based on light source and associated lighting property
Computer-readable media, methods and systems are provided herein for facilitating selective advertisement of a user's availability to communicate based on one or more lighting properties of one or more light sources (112-116, 742, 746). In various embodiments, an identifier and one or more lighting properties of a light source may be obtained by a computing device (100, 150, 700), directly (e.g., using an optical sensor) or through one or more computer networks (122).
Koninklijke Philips N.v.
Terminal authentication method, apparatus, and system in passive optical network
A terminal authentication method in a passive optical network (pon) which includes, receiving, by the optical line terminal (olt), a registration request that carries an authentication parameter and is sent by the optical network terminal (ont), where the authentication parameter is used to identify the ont of a same type, and determining, by the olt, that the authentication parameter sent by the ont matches the authentication parameter preconfigured on the olt, and authorizing that the ont is an authorized terminal. Using the foregoing technical solutions, an olt may be, during optical network unit (onu) registration and authentication, plug-and-play, without needing to manually input authentication information, which improves automation and flexibility of authentication..
Huawei Technologies Co., Ltd.
Redundant pathways for network elements
A method for establishing an alternate pathway to an endpoint that may determine that a network connection is lost between a first network element and an application server. The method may select a second network element from a virtual network operating on an optical network.
Network adapter optical alert system
One embodiment provides a network adapter. The network adapter includes a network adapter controller, a medium access controller (mac) and a physical layer (phy) including at least one port.
Signal generating apparatus and signal generating method
To provide signal generating apparatus that is capable of controlling the dc bias of the optical modulator applicable to various kinds of modulation format, a signal processing apparatus includes a digital processing unit for deserializing an input digital data into parallel data lanes, for comparing the value of the digital data of symbol rate f to at least one predetermined threshold value, for selecting an offset value based on the result of the comparison; and for adding the selected offset value to the digital data, a converting unit for converting the digital data added the offset value to analog signals in each lane; an optical modulating unit for modulating a lightwave according to the analog signals with predetermined modulation format at the symbol rate f, where the modulated signal contains a frequency component at f/n.. .
Wdm single fiber ring protection
A node (20, 25) for a single fiber bidirectional wdm optical ring network has a first optical protection switch (100) having first and second ports for coupling to the single fiber bidirectional ring, while providing a pass through optical path for wavelengths on the bidirectional ring. A further port is coupled to an external optical path.
Telefonaktiebolaget L M Ericsson (publ)
Method and transporting a client signal over an optical network
A method of transporting a client signal across an optical transport network (otn) comprises dividing a received client signal into a plurality of parallel signals at a lower bit rate. The parallel signals are mapped into a respective number of optical data units (odus), each odu having payload bytes and overhead bytes.
Telefonaktiebolaget Lm Ericsson (publ)
Multiplexing two separate optical links with the same wavelength using asymmetric combining and splitting
An optical communications system includes an optical transmitter and an optical receiver optically coupled to an optical combiner/splitter, the combiner/splitter coupled to optical media; and, another optical transmitter and another optical receiver optically coupled to another optical combiner/splitter, the another combiner/splitter remotely coupled to the optical media; wherein the optical transmitter and the another optical transmitter are configured to transmit optical signals at substantially the same wavelength.. .
Corning Optical Communications Wireless Ltd
Wavelength division multiplexing module
A telecommunications module includes an optical wavelength division multiplexer/demultiplexer configured to demultiplex a first optical signal input into the telecommunications module into a plurality of different wavelengths, a fiber optic splitter configured to split a second optical signal input into the telecommunication module into a plurality of optical signals, and a plurality of optical add/drop filters, each of the optical add/drop filters configured to combine one of the optical signals that has been split by the fiber optic splitter and one of the wavelengths that has been demultiplexed by the optical wavelength division multiplexer/demultiplexer into a combination output signal that is output from the telecommunications module.. .
Commscope Technologies Llc
Current-voltage conversion circuit, optical receiver, and optical terminator
A trans-impedance amplifier that converts a current signal output by a light-receiving element into a voltage signal has a conversion gain that is variable. A gain control circuit detects a bottom voltage with respect to the voltage signal output by the trans-impedance amplifier and controls the conversion gain of the trans-impedance amplifier based on the detection results.
Mitsubishi Electric Corporation
Optical signal recognition method and apparatus
An optical signal recognition method comprises: initializing a recognition apparatus; acquiring optical source voltage values in an acquisition channel to obtain a group of optical source voltage values; comparing the group of optical source voltage values with a comparison threshold, and converting the group of optical source voltage values into optical data; when the optical data is different from optical data obtained in a previous conversion, continuing to acquire optical source voltage values in the acquisition channel, converting a group of optical source voltage values into optical data, and sequentially storing the optical data in a conversion array; when a preset quantity of optical data in the conversion array is different, deleting optical data stored earliest in the conversion array, continuing to acquire optical data and sequentially storing the optical data in the conversion array; and when all optical data in the conversion array is the same, setting frame data as optical data in the conversion array, and returning the frame data. In the present invention, a synchronization signal is canceled, thereby improving the transmission quality and the transmission speed..
Feitian Technologies Co., Ltd.
Reducing power requirements for optical links
An optical system includes a device selected from a transmitter and a receiver. The transmitter has multiple laser cavities that each generates an optical channel at a different channel wavelength.
Mellanox Technologies Silicon Photonics Inc.
Adaptive noise loading in optical communication networks
An apparatus is provided, e.g. An optical transmitter, that includes an optical noise source and an optical coupler.
Alcatel-lucent Canada Inc.
Providing digital data services in optical fiber-based distributed radio frequency (rf) communications systems, and related components and methods
Optical fiber-based distributed communications systems that provide and support both rf communication services and digital data services are disclosed herein. The rf communication services and digital data services can be distributed over optical fiber to client devices, such as remote antenna units for example.
Corning Optical Communications Llc
Reconfigurable wireless data center network using free-space optics
A reconfigurable free-space optical inter-rack network includes a plurality of server racks, each including at least one switch mounted on a top thereof, where each top-mounted switch includes a plurality of free-space-optic link connector, each with a free-space optical connection to a free-space-optic link connector on another top-mounted switch, a single ceiling mirror above the plurality of server racks that substantially covers the plurality of server racks, wherein the single ceiling mirror redirects optical connections between pairs of free-space-optic link connectors to provide a clear lines-of-sight between each pair of connected free-space-optic link connectors, and a controller that preconfigures a free-space optical network connecting the plurality of server racks by establishing connections between pairs of free-space-optic link connectors, and that reconfigures connections between pairs of free-space-optic link connectors in response to network traffic demands and events.. .
The Research Foundation Of The State Of University Of New York
Digital noise loading for optical receivers
Managing performance of an optical communications network may be facilitated by digital noise loading techniques. The digital noise loading techniques may include measuring a quality of a communication signal received at a coherent optical receiver, applying digital noise to the communication signal at the coherent optical receiver, and detecting a change in the quality of the communication signal at the coherent optical receiver in response to the application of the digital noise.
Methods and apparatuses for improved ethernet path selection using optical levels
Methods and apparatuses are provided to employ an enhanced loss of signal (elos) function in network equipment (ne) such as an ethernet switch that is coupled to an optical path by a transceiver (e.g., an sfp). Diagnostics such as optical path receive (rx) level from the transceiver are used by the elos function to regenerate los status from the transceiver when either los or designated low rx level conditions exist.
Fiber link recognition method, device, and system
A fiber link recognition method, device, and system, to recognize different fiber links where the method includes sending, by a link recognition device, a first test optical signal, receiving a second test optical signal that is returned after the first test optical signal is sent to a connection port of a first optical node, acquiring a reflection peak of the second test optical signal on a fiber link, determining a port identifier of the connection port of the first optical node according to the reflection peak of the second test optical signal on the fiber link, and recognizing, the fiber link corresponding to the second test optical signal that is returned by the connection port of the first optical node. The method embodiment is used to recognize a fiber link..
Huawei Technologies Co., Ltd.
System and interconnecting objects with optical fibers
A system for interconnecting at least a pair of objects with optical fibers, comprising: optical fibers each having a first end provided with a first tag and a second end provided with a second tag, the optical fibers each is disposed between a pair of objects with the first end near one of the pair of objects and the second end near the other of the pair of objects; a plurality of readers for reading the matching codes from the tags of the optical fibers inserted into respective ports; a plurality of indicators for indicating state of respective ports; and a server management device for processing data read from the objects and controlling the states of the indicators. Before inserting the optical fiber, the server management device builds up a correct one-to-one correlation among the ports of the pair of objects and controls all ports to switch into a first indication state; operations of randomly inserting the ends of the optical fibers into the ports are performed simultaneously..
Tyco Electronics (shanghai) Co. Ltd.
Managing network access based on ranging information
Methods, systems, and apparatus for restricting use of a network element outside an authorized location range are disclosed. In one aspect a method includes obtaining, for a network element of a passive optical network, an identifier and ranging information corresponding to a present location of the network element; identifying, from a database and based on the identifier of the network element, stored ranging information specifying a previous location of the network element; determining, based on a comparison of the ranging information with the stored ranging information, that the location of the network element has changed more than a specified amount; and outputting an alert in response to determining that the location of the network element has changed more than a specified amount..
Fast optical link control adaptation using a channel monitor
An amplifier receives an optical signal including a number of labeled channels via a fiber. The amplifier determines a count of the labeled channels and a spectral distribution of the labeled channels.
At&t Intellectual Property I, L.p.
Optical network connection termination on client facility failure
A method for operating an optical network (on) using a control plane (cp), including: identifying, by the cp, a failure of a client facility connecting a network element of the on and a client device; and terminating, by the cp and in response to identifying the failure, an optical connection through the on for the client device.. .
Optical keypad for explosive locations
An optical keypad for use in hazardous areas and which can ensure safe and reliable detection of keystrokes through an at least 8 mm thick glass window, as is required for electronics equipment located in hazardous explosive areas (in accordance with atex directive 94/9/ec and similar requirements) is obtained by providing a system in which at least 6 leds are lit in a pseudo-random sequence, modulated by a pseudo-random frequency and the interval between the lighting of each of the leds is change randomly to avoid interference between collocated keypads and light from other sources, such as daylight and artificial light.. .
Pr Electronics A/s
Photovoltaic cell for solar power generator
A photovoltaic power generator system and method for capturing and transmitting electromagnetic radiation utilizing an infrared filter in optical communication with a photovoltaic cell.. .