Coherent Patent Grants

Parameterized radio waveform techniques for operating in multiple wireless environments

Granted: February 18, 2020
Patent Number: 10567981
Techniques for operating a wireless network in a plurality of radio operating environments are disclosed. In some embodiments, an apparatus receives a first parameter value set that is selected from a group of multiple parameter value sets, wherein the first parameter value set is appropriate for a first target radio operating environment that corresponds to one or more of: a first level of mobility of user devices or a first range of wireless transmission. In some embodiments, the…

Broadcast/broadband convergence network

Granted: February 18, 2020
Patent Number: 10567971
A broadcast/broadband convergence system that delivers content from content sources to user equipment devices. The system provides: significantly enhanced mobile capability to the broadcast industry; an additional revenue source for the broadcast industry by dynamically selling available spectral resources for use by wireless broadband networks and/or broadcast content off-loaded from wireless broadband networks; additional spectrum for the broadband industry through the dynamic purchase…

Method, device and installation for composing a video signal

Granted: February 18, 2020
Patent Number: 10567676
Method for composing an output video signal (So) from input video signals (Si1, Si2, Si3 . . . Sim), which include input frame sequences (Si1[n], Si2[n], Si2[n] . . . Sim[n]) with a number of pixels for each input frame associated with an input resolution (Ri1, Ri2, Ri3 . . . Rim). The method includes determining a spatial surface on a three-dimensional virtual space associated with each pixel; establishing a visualization point (X0,Y0,Z0) and a visualization window in the…

Scrambling sequence design for embedding receiver ID into frozen bits for blind detection

Granted: February 11, 2020
Patent Number: 10560932
Methods and devices are described for encoding and decoding control information that has been modulated based on one or more identifiers of the transmitter and/or receiver. Some embodiments describe scrambling sequence design for multi-mode block discrimination on downlink control information (DCI) blind detection. Separate scrambling masks may be applied to disparate bit fields within a coded DCI message, wherein each of the scrambling masks is derived from a unique identifier…

Multi-portion radio transmissions

Granted: February 11, 2020
Patent Number: 10560299
Techniques are disclosed relating to generating and receiving radio frames with multiple portions that have different encoding schemes. An apparatus may include one or more processing elements configured to receive, via a wireless radio, wireless data that includes a plurality of portions that each include multiple orthogonal frequency-division multiplexing (OFDM) symbols. Different ones of the portions have different frequency transform sizes and different sampling rates. The wireless…

Tomographic approach to 3-D holographic refractometry

Granted: February 4, 2020
Patent Number: 10551306
A system for performing 3-dimensional (3-D) digital holographic refractometry includes a splitter to split a source light into a first light beam and a second light beam. A tomographic optical setup shines a sample with the first light beam and generates an image light beam. A detector array generates an interferogram signal in response to being simultaneously exposed to the image light beam and the second light beam.

Aberration compensated diode-laser stack

Granted: January 21, 2020
Patent Number: 10539805
Optical output beams from a vertical stack of diode-laser bars are focused by a simple focusing lens on an optical axis of the lens. The optical output beams from outlying diode-laser bars in the vertical stack are tilted with respect to the optical axis of the focusing lens such that optical output from the whole vertical stack is brought to a common focus location on the optical axis of the focusing lens.

Scrambling sequence design for multi-mode block discrimination on DCI blind detection

Granted: January 14, 2020
Patent Number: 10536305
Methods and devices are described for polar encoding and decoding control information that has been modulated based on one or more identifiers of the transmitter and/or receiver. Some embodiments describe scrambling sequence design for multi-mode block discrimination on control information blind detection and decoding. Separate scrambling masks may be applied to disparate bit fields within a coded DCI message, wherein each of the scrambling masks is derived from a user equipment…

High power sub-400 femtosecond MOPA with solid-state power amplifier

Granted: January 14, 2020
Patent Number: 10535975
Laser-apparatus includes a fiber-MOPA arranged to deliver amplified seed optical pulses having a wavelength of about 1043 nanometers to a multi-pass ytterbium-doped yttrium aluminum garnet solid-state optical amplifier for further amplification.

Processing system with interspersed processors with multi-layer interconnection

Granted: December 31, 2019
Patent Number: 10521285
Embodiments of a multi-processor array are disclosed that may include a plurality of processors and configurable communication elements coupled together in a interspersed arrangement. Each configurable communication element may include a local memory and a plurality of routing engines. The local memory may be coupled to a subset of the plurality of processors. Each routing engine may be configured to receive one or more messages from a plurality of sources, assign each received message…

Modular ultraviolet pulsed laser-source

Granted: December 31, 2019
Patent Number: 10520789
Apparatus for generating ultraviolet (UV) pulsed laser-radiation for material-processing includes a laser-source providing infrared (IR) pulsed laser-radiation and a frequency-conversion module. A lithium tetraborate (Li2B4O7) crystal located within the frequency-conversion module converts the IR pulsed laser-radiation to UV pulsed laser-radiation by non-linear harmonic generation. The frequency-conversion module is an airtight enclosure that may be evacuated or contain a dry gas. A…

Birefringent prism for wavelength separation

Granted: November 12, 2019
Patent Number: 10474004
An optical ring-resonator converts visible wavelength radiation to ultraviolet wavelength radiation by frequency-doubling the visible wavelength radiation in an optically nonlinear crystal. The resonator includes an uncoated birefringent out-coupling prism. The visible wavelength radiation passes through faces of the prism at a Brewster-angle. Ultraviolet wavelength radiation enters the prism, is totally internally reflected, directed out of the prism at a Brewster-angle, and exits the…

Frequency-conversion crystal for femtosecond-laser pulses

Granted: October 15, 2019
Patent Number: 10444597
An optically nonlinear crystal is arranged for frequency-doubling an input pulse. The crystal has parallel facets each coated with a reflective coating. The crystal is arranged with respect to the input pulse such that the input pulse makes a plurality of forward and reverse passes between the coatings. A frequency-doubled pulse is generated on the forward passes. The input pulse and the frequency-doubled pulse propagate with different group velocities in the crystal such that temporal…

Electro-optical crystal-mounted apparatus and systems for use in laser cavities/assemblies

Granted: October 8, 2019
Patent Number: 10437084
An electro-optical crystal-mounted apparatus includes a compactly configured mounting sub-assembly, and a compactly configured position adjustment sub-assembly onto which the mounting sub-assembly is mounted. The mounting sub-assembly includes a mount including a thermally conductive and electrically insulating material, an electro-optical crystal housed within a cavity of the mount, and a layer of electrically conductive material disposed on at least a portion of the mount. The mounting…

Generating control information for use in transmission with a multimedia stream to an audiovisual device

Granted: September 24, 2019
Patent Number: 10425673
Control information for configuring an audiovisual device to present multimedia content according to a first service type may be generated. A method may include generating first control information for configuring an audiovisual device to decode a multimedia stream, generating first data that indicates a structure of the first control information, and transmitting the first data and the first control information. The first control information may be generated according to a first…

Multimedia streams which use control information to associate audiovisual streams

Granted: September 24, 2019
Patent Number: 10425462
A system and method for wirelessly transmitting audiovisual information. A first plurality of packets including audiovisual information may be generated. A second plurality of packets including error correction coding information for the audiovisual information may be generated. Control information for associating the error correction coding information with the audiovisual information may be generated, and a third plurality of packets including the control information may also be…

Laser machining method and apparatus

Granted: September 24, 2019
Patent Number: 10423047
A method of delivering a beam of laser-radiation to a workpiece for processing the workpiece comprises transmitting the beam twice through an inactive acousto-optic modulator (AOM) crystal in opposite zero-order directions of the AOM at separate locations on the AOM crystal, before delivering the beam to the workpiece. When laser-radiation is to be blocked from reaching the workpiece, the AOM is activated.

Spatial filters with high power handling capabilities

Granted: August 27, 2019
Patent Number: 10394042
An apparatus includes a source configured to generate a beam of electromagnetic radiation propagating in a first direction and a spatial filter. The spatial filter is configured to restrict the beam of electromagnetic radiation in one or more dimensions and includes at least one set of rods including a first rod and a second rod. The first rod is a first cylindrical structure with a first axis in a first plane and the second rod is a second cylindrical structure with a second axis in a…

Method for laser-marking of anodized aluminum

Granted: August 27, 2019
Patent Number: 10391586
An aluminum covered with an anodically formed aluminum oxide layer is marked by repeated bursts of two or more individual laser pulses. The intensity of the individual pulses in the bursts is kept below a level experimentally determined to compromise the integrity of the aluminum oxide layer. The collective fluence in a burst is sufficient to mark the aluminum, but not sufficient to compromise the integrity of the oxide layer.

Scrambling sequence design for embedding UE ID into frozen bits for DCI blind detection

Granted: August 13, 2019
Patent Number: 10383106
Methods and devices are described for encoding and decoding control information that has been modulated based on one or more identifiers of the transmitter and/or receiver. Some embodiments describe scrambling sequence design for multi-mode block discrimination on downlink control information (DCI) blind detection. Separate scrambling masks may be applied to disparate bit fields within a coded DCI message, wherein each of the scrambling masks is derived from a unique identifier…