Abstract: A waveguide heater is configured to heat an optical waveguide. The heater includes multiple heating elements and has one or two conditions selected from a group consisting of a first condition and the second condition. The first condition is the heater including multiple interior connectors that are each included in an interior electrical pathway between a pair of the heating elements where the interior connectors are connected in parallel and provide electrical communication between the heating elements included in the pair. The second condition is multiple exterior connectors that are each included in an exterior electrical pathway between electronics and a first one of the heating elements where the exterior connectors are connected in parallel and provide electrical communication between the electronics and the first heating element. The electronics are configured to apply an electrical bias to the heater. In some instances, the heater in included in a wavelength tuner.

Abstract: Methods, apparatus, and computer program products for computing device digital certificates that include a geographic extension are disclosed herein. One method includes a processor managing a digital certificate for a first computing device, in which the digital certificate includes a geographic extension, and populating the geographic extension with a distance value that enables the digital certificate to be validated via the populated geographic extension. Apparatus and computer program products that include hardware and/or software that can perform the methods for computing device digital certificates that include a geographic extension are also disclosed herein.

Abstract: A light-guide optical element (LOE) and methods of manufacture are disclosed. The LOE includes a transparent substrate having a first refractive index, the substrate having a pair of parallel external surfaces along a length thereof, and a plurality of mutually parallel at least partially reflective internal surfaces, the mutually parallel internal surfaces being angled obliquely relative to the pair of external surfaces; and a transparent polymer resin encapsulating at least a part of the substrate to form an encapsulated structure, the polymer resin having a second refractive index that is matched to the first refractive index; wherein the encapsulated structure comprises a pair of parallel external surfaces of optical quality formed from the resin.

Abstract: A client-side electronic device includes a receiver, a processor, and a memory. The receiver communicates with a message server over a communication medium of a communication network. The memory stores computer-executable instructions, which, when executed by the processor, cause the device to receive, from the message server, a broadcast message, a timestamp associated with the broadcast message, and a first digital signature of the broadcast message and a second digital signature of the timestamp. The executed instruction further cause the device to verify an integrity of the broadcast message based the first or second digital signatures, determine a freshness of the broadcast message based on the received timestamp, calculate a trust state of the broadcast message based on the integrity verification and the freshness determination, and store the broadcast message in the memory along with the calculated trust state.

Abstract: According to one embodiment, a liquid crystal optical element includes an optical waveguide including a first main surface and a second main surface opposed to the first main surface, an alignment film disposed on the second main surface, a liquid crystal layer which overlaps the alignment film, which includes cholesteric liquid crystals, and which reflects at least part of light incident through the optical waveguide toward the optical waveguide, and a transparent first protective layer which overlaps the liquid crystal layer, and which is formed of a water-soluble polymer or a fluorine-based resin.

Abstract: A device can include a body including a sensor and an accelerometer. The sensor can detect contact with the body. The accelerometer can detect a movement of the body. The device can also include at least one processor. The at least one processor can determine an action corresponding to the movement of the body. The action can include at least one of a thermal effect, a production of light, or a transmission of power. The at least one processor can also cause the device to perform the action.

Abstract: A cathode heater assembly for use in a vacuum electronic device includes a refractive cup having a bottom portion and side walls forming a container; a cathode secured in the container of the refractive cup; and a heater wire coupled to the refractive cup. The cathode heater assembly may be manufactured by providing a refractive cup having a bottom portion and side walls forming a container; inserting a cathode pellet in the container of the refractive cup; impregnating the cathode pellet with electron emissive materials while the cathode pellet is in the container of the refractive cup; and attaching a heater wire to the refractive cup.

Abstract: Provided are a color filter including a colored pixel A including an aluminum phthalocyanine pigment and an ultraviolet absorbing layer which is provided on an optical path on a light incident side of the colored pixel A and has a wavelength region having a transmittance of 20% or less in a wavelength range of 300 to 450 nm, in which a transmittance in a wavelength region of 550 to 800 nm is 80% or more; and a solid-state imaging element and an image display device which include the color filter.

Abstract: A light source device includes a substrate, a light source, a liquid crystal shutter, and a lens. The light source is supported by the substrate. The light source includes a plurality of light emission units two-dimensionally arranged. The liquid crystal shutter is disposed on the light source. The lens is disposed on the liquid crystal shutter. The liquid crystal shutter is configured to perform independent ON/OFF control in two or more regions corresponding to at least one of the light emission units.

Abstract: Certain aspects of the present disclosure provide techniques for making armored cables. An example method for making an armored cable includes forming a strip stock into an armor tubing; welding a seam of the armor tubing in a welding zone; inserting at least one of a first optical fiber or a first wire into a first end of a first guide tube, wherein: the first guide tube extends through the welding zone; the first guide tube protects the at least one of the first optical fiber or the first wire during the welding of the seam; and the first guide tube is not part of the armored cable after the making of the armored cable; and supporting the first guide tube within the armor tubing by a plurality of support legs such that the first guide tube does not contact the armor tubing.

Abstract: A lampshade ring assembly, a lampshade apparatus including the lampshade ring assembly and a lampshade, and a method of assembling the same. The lampshade ring assembly may include a mounting hub having a plurality of first mounting elements arranged in a spaced apart manner, an outer ring having a plurality of second mounting elements arranged in a spaced apart manner, and a plurality of connectors each having a first end with a third mounting element and a second end with a fourth mounting element. The connectors may be detachably coupled to: (1) the mounting hub via engagement between the first mounting elements and the third mounting element; and (2) the outer ring via engagement between the second mounting elements and the fourth mounting element. The outer ring may be configured to be coupled to a lampshade and the mounting hub may be configured to be coupled to a light fixture.

Abstract: A lens assembly for an outer source of a mass spectrometer, the assembly comprising: a housing; a plurality of lens elements, each lens element comprising a radially extending electrically conductive protrusion, the lens elements being linearly arranged in the housing such that the protrusions are aligned with one another; and an interface connector having a plurality of sockets to receive the protrusions therein and create an electrical connection between the protrusions and sockets. A housing for a resistance temperature detector is also disclosed.

Abstract: A steering wheel, including a steering wheel rim and a light-emitting assembly arranged on the steering wheel rim, wherein the light-emitting assembly includes a light source, a light guide member, and a light transmissive member, the light guide member including a light inlet portion, a light outlet portion, and an orientation portion provided between the light inlet portion and the light outlet portion. Light emitted by the light source enters the light inlet portion in a first direction, is oriented by the orientation portion, and then exits the steering wheel from the light outlet portion and the light transmissive member sequentially in a second direction. The first direction is different from the second direction, and the light transmissive member is configured to be annular and arranged in a radial direction of the steering wheel.

Abstract: A method of configuring a client device at a customer premises is provided. An electronic message is received from a vendor of a client device with customer premise equipment (CPE) at the customer premises or a portable communication device. The electronic message provides configuration information for the client device. The configuration information includes a password and an access name of a service for use in configuring the client device via communications with a remote configuration server. The service is made available at the customer premises via the CPE or the communication device so that the client device automatically pairs to the service and is authenticated with the password to the configuration server via Internet connectivity capability of the CPE or portable communication device so that the client device may be configured. The client device has firmware preprogramed to automatically and securely access the service, when detected, at the customer premises.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for mitigating computing latency associated with proving of possession of network endpoints. One system includes (i) a user device, e.g., a smartphone or a personal computer, (ii) a proof of possession service running on one or more computers, and (iii) an authorization service running on one or more computers.

Abstract: An electrode for a spark plug. The electrode includes a base body made from a nickel base alloy, and a wear part made from an iridium base alloy. The wear part is both welded to the base body and connected by a keyed connection.

Abstract: Full-color pixel arrangements for use in devices such as OLED displays are provided, in which multiple sub-pixels are configured to emit different colors of light, with each sub-pixel having a different optical path length than some or all of the other sub-pixels within the pixel.

Abstract: A display device includes a substrate on which a plurality of sub-pixels are disposed, a first reflective layer disposed on the substrate, a plurality of LEDs disposed in each of the plurality of sub-pixels on the first reflective layer, a plurality of light conversion layers disposed between the first reflective layer and the plurality of LEDs, and a plurality of second reflective layers covering at least a portion of the plurality of LEDs. Light emitted from the plurality of LEDs is reflected by the plurality of second reflective layers, and light having a wavelength longer than that of the light emitted from the plurality of LEDs is emitted upwardly from the plurality of LEDs.

Abstract: An optoelectronic component may include at least one light-emitting semiconductor layer sequence and at least one luminescence conversion layer having a transparent conductive oxide and at least one dopant for forming luminescence centers.

Abstract: Disclosed is an operating method of a storage device, which includes detecting virus/malware, performing an authentication operation with a host device when the virus/malware is detected, and entering a recovery mode when the authentication operation indicates that authentication is successful.