Coherent Patent Grants

Processor instructions to accelerate FEC encoding and decoding

Granted: June 23, 2020
Patent Number: 10691451
Various embodiments are described of a system for improved processor instructions for a software-configurable processing element. In particular, various embodiments are described which accelerate functions useful for FEC encoding and decoding. In particular, the processing element may be configured to implement one or more instances of the relevant functions in response to receiving one of the processor instructions. The processing element may later be reconfigured to implement a…

Secure boot sequence for selectively disabling configurable communication paths of a multiprocessor fabric

Granted: June 16, 2020
Patent Number: 10685143
Disabling communication in a multiprocessor fabric. The multiprocessor fabric may include a plurality of processors and a plurality of communication elements and each of the plurality of communication elements may include a memory. A configuration may be received for the multiprocessor fabric, which specifies disabling of communication paths between one or more of: one or more processors and one or more communication elements; one or more processors and one or more other processors; or…

Laser apparatus for cutting brittle material

Granted: June 2, 2020
Patent Number: 10668561
An apparatus for cutting brittle material comprises an aspheric focusing lens, an aperture, and a laser-source generating a beam of pulsed laser-radiation. The aspheric lens and the aperture form the beam of pulsed laser-radiation into an elongated focus having a uniform intensity distribution along the optical axis of the aspheric focusing lens. The elongated focus extends through the full thickness of a workpiece made of a brittle material. The workpiece is cut by tracing the optical…

Laser power and energy sensor utilizing anisotropic thermoelectric material

Granted: June 2, 2020
Patent Number: RE48028
A laser-radiation sensor includes a copper substrate on which is grown an oriented polycrystalline buffer layer surmounted by an oriented polycrystalline sensor-element of an anisotropic transverse thermoelectric material. An absorber layer, thermally connected to the sensor-element, is heated by laser-radiation to be measured and communicates the heat to the sensor-element, causing a thermal gradient across the sensor-element. Spaced-apart electrodes in electrical contact with the…

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

Granted: May 26, 2020
Patent Number: 10666998
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…

Achromatic astigmatic anamorphic objective

Granted: May 26, 2020
Patent Number: 10663700
An anamorphic three-element objective lens projects a plurality of beams of different wavelengths and different diameters into an elongated focal spot in a working-plane. In one transverse direction of the lens, the beams are tightly focused with equal beam-waist widths in the working-plane, defining a height of the focal spot. In another transverse direction, the different beams are focused progressively beyond the working-plane such that the beams have a common beam-width in the…

Conductively-cooled slab laser

Granted: May 5, 2020
Patent Number: 10644474
A carbon dioxide gas-discharge slab-laser is assembled in a laser-housing. The laser-housing is formed from a hollow extrusion. An interior surface of the extrusion provides a ground electrode of the laser. Another live electrode is located within the extrusion, electrically insulated from and parallel to the ground electrode, forming a discharge-gap of the slab-laser. The electrodes are spaced apart by parallel ceramic strips. Neither the extrusion, nor the live electrode, include any…

Single Crystal optical parametric amplifier

Granted: May 5, 2020
Patent Number: 10642127
An apparatus for generating visible light including a laser source emitting a fundamental beam, an optically nonlinear crystal, and a seed source emitting a seed beam. The optically nonlinear crystal receives the fundamental beam. The fundamental beam propagates in the nonlinear crystal at a first phase-matching angle for second-harmonic generation. A portion of the fundamental beam is converted into a second-harmonic beam that propagates in the nonlinear crystal at the first…

Wireless transport framework with uncoded transport tunneling

Granted: March 24, 2020
Patent Number: 10601445
Wireless transport of multiple service versions of a transport framework. First and second information may be processed for transmission, respectively, according to first and second service versions of a transport framework. The first and second information may be encoded using a first type of error correction coding; after processing, the processed first information may include error correction coding according to the first type of error correction coding, while the processed second…

Enhanced polarization weighting to enable scalability in polar code bit distribution

Granted: March 17, 2020
Patent Number: 10594438
Methods and devices are described for determining reliabilities of bit positions in a bit sequence for information bit allocation using polar codes. The reliabilities are calculated using a weighted summation over a binary expansion of each bit position, wherein the summation is weighted by an exponential factor that is selected based at least in part on the coding rate of the polar code. Information bits and frozen bits are allocated to the bit positions based on the determined…

Multiprocessor programming toolkit for design reuse

Granted: March 17, 2020
Patent Number: 10592233
Techniques for specifying and implementing a software application targeted for execution on a multiprocessor array (MPA). The MPA may include a plurality of processing elements, supporting memory, and a high bandwidth interconnection network (IN), communicatively coupling the plurality of processing elements and supporting memory. In some embodiments, software code may include first program instructions executable to perform a function. In some embodiments, the software code may also…

Compact wavelength meter and laser output measurement device

Granted: March 3, 2020
Patent Number: 10578494
An apparatus includes a photonic integrated circuit (PIC) to measure an optical wavelength of a light source. The PIC includes an optical splitter, a plurality of tunable interferometers and one or more detectors. The optical splitter is coupled to the light source, and the interferometers are coupled to the optical splitter. Each interferometer receives a portion of an optical signal of the light source. One or more detectors are coupled to each interferometer, and the interferometers…

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…