Images List Premium Download Classic

Optical

Optical-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


loading
Optical fiber based microphone array for detecting acoustic emissions generated by an area of interest
Siemens Energy, Inc.
August 17, 2017 - N°20170238101

A microphone array for detecting acoustic emissions generated by equipment. The array includes at least one grid having a plurality of sensors each including a compact arrangement of optical fiber having first and second optical fiber ends wherein the first optical fiber end of a first sensor is terminated. The array also includes an optoelectronic device coupled to a second ...
Optical switch fabric with bias control
International Business Machines Corporation
August 17, 2017 - N°20170238075

Methods and systems for bias control in an optical switch fabric include monitoring optical power at outputs of a plurality of switch elements in an n×n switch fabric that has n inputs, n outputs, and m≧2 stages. A bias control of a first of the plurality of switch elements is adjusted. It is determined whether the optical ...
Stereoscopic image display device and driving method thereof
Lg Display Co., Ltd.
August 17, 2017 - N°20170237972

A stereoscopic image display device including a display panel including a plurality of sub-pixels arranged in a matrix defined by a horizontal direction and a vertical direction, the display panel having a changeable display direction; and a parallax unit on the display panel and including a plurality of optical elements having a tilt angle of 30° to 60° relative to ...
Optical Patent Pack
Download 13012+ patent application PDFs
Optical Patent Applications
Download 13012+ Optical-related PDFs
For professional research & prior art discovery
inventor
  • 13012+ full patent PDF documents of Optical-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Optical detector and method for manufacturing the same
Sony Corporation
August 17, 2017 - N°20170237926

At least one readout device (114), the readout device (114) comprising a plurality of electrical measurement devices (154) being connected to the second electrode stripes (134) and a switching device (160) for subsequently connecting the first electrode stripes (124) to the electrical measurement devices (154).
Photoelectric conversion device and method of driving photoelectric conversion device
Canon Kabushiki Kaisha
August 17, 2017 - N°20170237915

A photoelectric conversion device includes a pixel array including pixels arranged in rows and columns, each of the pixels being configured to output a pixel signal, and including an optical filter and a photoelectric conversion unit, wherein the optical filters of different colors are arranged for each rows and each columns, a holding circuit including first holding units for each ...
Systems and methods for hdr video capture with a mobile device
Contrast Optical Design & Engineering, Inc.
August 17, 2017 - N°20170237913

The invention is relates to systems and methods for high dynamic range (hdr) image capture and video processing in mobile devices. Aspects of the invention include a mobile device, such as a smartphone or digital mobile camera, including at least two image sensors fixed in a co-planar arrangement to a substrate and an optical splitting system configured to reflect at ...
Optical Patent Pack
Download 13012+ patent application PDFs
Optical Patent Applications
Download 13012+ Optical-related PDFs
For professional research & prior art discovery
inventor
  • 13012+ full patent PDF documents of Optical-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Color matching across multiple sensors in an optical system
Contrast Optical Design & Engineering, Inc.
August 17, 2017 - N°20170237879

Matching color information in an optical system can include splitting an image forming beam into a bright intensity beam and a dark intensity beam, detecting, using multiple sensors, a color value for a light component from the bright intensity beam and the dark intensity beam, determining color values for the remaining light components associated with the bright intensity beam and ...
Auto-discovery of packet islands over gmpls-uni
Telefonaktiebolaget Lm Ericsson (publ)
August 17, 2017 - N°20170237582

The present disclosure generally relates to the support of optical connection setup. More specifically, the present disclosure relates to a technique of supporting provision of a connection via a data communication network of an optical network between packet network islands. A method embodiment comprises establishing a border gateway protocol-link state, bgp-ls, connection via the dcn between a first edge node ...
Method and apparatus for logging into medical devices
Siemens Healthcare Gmbh
August 17, 2017 - N°20170237565

The invention relates to a method for logging a service technician into an electrical device (20), comprising the following steps: production (3, 4) of a secret key (sky) as an encrypted login password (lpw) by the electrical device (20), displaying (5) of the secret key (sky) on a display unit (23) of the electrical device (20) as a qr code (qrc), optical sensing (6) of the qr code (...
Extending data over cable service interface specification (docsis) provisioning of ethernet passive optical network (epon) (...
Futurewei Technologies, Inc.
August 17, 2017 - N°20170237557

An optical line terminal (olt) including a processor coupled to a transmitter. The processor is configured to send a first encrypted fiber to coax unit (fcu) message containing an optical domain multicast key to an fcu via an optical network. The optical domain multicast key is associated with encryption in an optical domain associated with the optical network. The processor ...
External cavity fp laser
Oplink Communications, Llc
August 17, 2017 - N°20170237519

Methods, systems, and apparatus, for an external cavity fp laser. In one aspect, an apparatus is provided that includes a fp laser diode; a faraday rotator (fr) coupled to receive an optical output of the fp laser diode and that rotates a polarization of the optical output; an optical fiber coupled at a first end to receive the output of ...
Optical port auto-negotiation method, optical module, central office end device, and terminal device
Huawei Technologies Co., Ltd.
August 17, 2017 - N°20170237518

The present application provides an optical port auto-negotiation method, including: a: selecting a downstream to-be-received wavelength; b: listening to a downstream message on the selected downstream to-be-received wavelength, performing c if a wavelength idle message is received, and returning to a if no wavelength idle message is received within a specified or fixed time, where the wavelength idle message is ...
Optical add/drop multiplexer and optical network signal transmission method
Huawei Technologies Co., Ltd.
August 17, 2017 - N°20170237517

The present disclosure relates to the field of communications technologies, and in particular, to an optical add/drop multiplexer, such that the optical add/drop multiplexer can ensure proper processing of light in two directions. The optical add/drop multiplexer can complete an extraction of a signal in one direction using one microring resonant cavity and two optical circulators, and ...
Optical Patent Pack
Download 13012+ patent application PDFs
Optical Patent Applications
Download 13012+ Optical-related PDFs
For professional research & prior art discovery
inventor
  • 13012+ full patent PDF documents of Optical-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Coherent channel mixing for obfuscated optical communications
Huawei Technologies Co., Ltd.
August 17, 2017 - N°20170237507

Aspects of the present disclosure involve coherently mixing information in a first optical signal with information from one or more other optical signals, the optical signals being synchronous, to generate a mixed optical signal that obfuscates the information of the first optical signal. Each of the other optical signals is likewise mixed with a combination of the first and/or ...
System and method for a subscriber-powered network element
Huawei Technologies Co., Ltd.
August 17, 2017 - N°20170237506

A system for powering a network element of a fiber optic wide area network is disclosed. When communication data is transferred between a central office (co) and a subscriber terminal using a network element to convert optical to electrical (o-e) and electrical to optical (e-o) signals between a fiber from the central office and twisted wire pair, coaxial cable or ...
Optical device, a transmitter for a quantum communication system and a quantum communication system
Kabushiki Kaisha Toshiba
August 17, 2017 - N°20170237505

A transmitter for a continuous variable quantum communication system, the transmitter comprising: a coherent light source; a first controller, configured to apply a first signal to said coherent light source such that said coherent light source generates coherent light; a phase control element, configured to apply perturbations to said first signal, each perturbation producing a phase shift between parts of ...
Optical receiver and optical axis alignment method thereof
Sumitomo Electric Industries, Ltd.
August 17, 2017 - N°20170237504

An optical receiver comprises a package provided with an input window; a polarization-maintaining optical fiber fixable to the input window; a polarization beam splitter, disposed on the package, for inputting light outputted from the polarization-maintaining optical fiber and outputting first output light and second output light having respective polarization directions different from each other; a beam splitter, disposed on the ...
Distance measurement method, device and system
Zte Corporation
August 17, 2017 - N°20170237503

Provided are a distance measurement method, device and system. In the method, an optical line terminal (olt) commands an optical network unit (onu) to perform wavelength tuning; and when a message indicating that the wavelength tuning is completed is received from the onu, the olt measures a distance to the onu.
System and methods for high symbol-rate optical nyquist signal generation with roll-off factor approaching zero
Zte Usa (tx)
August 17, 2017 - N°20170237501

Disclosed systems, methods, and computer program products enable high symbol-rate optical nyquist signal generation with roll-off factors approaching zero by combining digital and all-optical methods. The combined digital and all-optical methods utilize all-optical sine-shaped pulse generation and orthogonal time-division multiplexing with quadrature amplitude modulation using digital nyquist signals. Disclosed embodiments exhibit inter-channel-interference penalties that are less than 0. 5-db for both 75...
Optical transmitter and control method for optical transmitter
Fujitsu Optical Components Limited
August 17, 2017 - N°20170237500

An optical transmitter that transmits an optical signal includes a dither superimposing circuit configured to generate a dither signal, the dither signal being used to control an operation of the optical transmitter to output the optical signal, and a control circuit configured to control intermittent superimposition of the dither signal onto a target to be controlled.
Optical communication with some compensation of nonlinear optical effects
Alcatel-lucent Usa Inc.
August 17, 2017 - N°20170237498

We disclose an optical transport system configured to reduce nonlinear signal distortions using an electronic phase rotation, the phase value of which is determined using pre-filtering, e. G., via a low-pass filter, of the digital samples representing an optical communication signal prior to applying a squaring operation to the digital samples. In some embodiments, the phase value used in the ...
Loading