Abstract: An item such as a fabric-based item may have a layer of fabric such as a layer of woven fabric. The fabric layer may include warp and weft strands. The fabric may cover keys in a keyboard or may be used in forming other structures in the fabric-based item. Each key may have an illuminated key label. Portions of the fabric may be processed by pressing heated protrusions on a textured mold into polymer optical fibers in the fabric. The protrusions form corresponding light-scattering recesses in cladding portions of the optical fibers. Light-emitting diodes or other light sources may be coupled to respective end surfaces of the optical fibers. The light-emitting diodes emit light that is emitted from the thermally imprinted light-emitting regions formed by pressing the heated protrusions into the optical fibers.

Abstract: A design method of tangential gradient thermal spraying coating for complex profile workpieces solves the erosion-resistant problem, and obtains a corresponding relation between the ductile-brittle ratio of the thermal sprayed coating and the impact angle change. The method includes: determining the complex profile part surface impact angle change rule according to the part operation environment conditions; selecting an erosion-resistant coating material according to the service condition requirement; obtaining the relation among the impact angle, ductile-brittle angle and erosion rate of the coating by an erosion test; determining the coating and the impact angle ductile-brittle corresponding relation curve; and performing spraying by using dual-channel powder feeding thermal spraying equipment the powder feeding quantity of which is adjustable in real time, based on a matching relation between the tangential gradient coating and the surface impact angle.

Abstract: A fiber optic connector is disclosed that includes a plug body having a plug end and a connector core that mounts within the plug body. The connector core includes a ferrule subassembly including a ferrule, a ferrule hub that attaches to the ferrule, a spring holder and a connector spring. The ferrule sub-assembly is assembled with the connector spring pre-compressed to an initial compressed state prior to mounting the connector core within the connector body. The plug body and the core are configured such that the connector spring is moved from the initial compressed state to a final compressed state when the connector core is loaded in the plug body. In certain examples, tuning features can be integrated into the connector core.

Abstract: A vehicle media player includes a media player module, a microphone module electrically connected to the media player module, a cigarette lighter connector; and a connection cable having two opposite ends that are electrically connected to the media player module and the cigarette lighter connector, respectively. The microphone module includes a first casing, a second casing, a unidirectional microphone, a protective housing, and a microphone support. The unidirectional microphone is fixed to the microphone support, and one end of each of the first casing and the second casing is received in one end of the protective housing.

Abstract: The present disclosure relates to a ruggedized female fiber optic connector designed to reduce cost. In one example, features of a fiber optic connector and a fiber optic adapter are integrated into one assembly. In another example, a female ruggedized optic connector is provided with a simple structure having a pre-assembled ferrule alignment sleeve including a ferrule.

Abstract: The present invention relates to a low-profile splice protection system for protecting multi-fibre fusion splice sites. The splice protection system comprises coating material to package the splice site and may comprise a protective housing.

Abstract: An approach is provided for providing a map matcher tolerant to wrong map features. The approach involves, for instance, finding a segment of a probe trajectory containing a plurality of low-speed probe points. The approach also involves forming a line between a first and a last probe point of the segment. The approach further involves calculating a distance from each probe point of the segment to the line. The approach further involves splitting the segment based on comparing the distance to a threshold at a turning point of the segment. The approach further involves creating a new probe trajectory based on a plurality of high-speed probe points in the probe trajectory and the turning point. The approach further involves estimating a heading of the turning point of the segment based on the new trajectory, and then performing a feasibility check between two consecutive probe points of the new trajectory.

Abstract: A medical forceps includes a handle, a traction string, a sleeve tube, a forceps base, a push-pull rod, two connecting members and two forceps jaws. The sleeve tube is connected to the forceps base. The traction string passes through the flexible spring tube and the forceps base, one end of the traction string is connected to the handle, and the other end thereof is connected to the push-pull rod. Middle parts of the two forceps jaws are hinged by a hinge shaft mounted on the forceps base. A lower part of the forceps jaw is hinged to one end of the respective connecting member, and the other end of the connecting member is hinged to the push-pull rod. The push-pull rod has two hinge centers for being respectively hinged to the two connecting members arranged in a crossed manner. The push-pull rod has two hinge centers.

Abstract: A low propagation loss and loose fabrication tolerance waveguide for a photonic integrated circuit (PIC) device may be realized by using a weak optical confinement to the optical mode, through designing a waveguide of single or double thin strips with high aspect ratio as waveguide core. To introduce a modulation functionality on this type of PIC device, a thin-film electrooptic material may be incorporated to form a hybrid phase modulating device, where a material that can be processed easily may be used as a device layer and is bonded to, or deposited with, a thin electrooptic film that may otherwise be difficult to fabricate or process. A low insertion loss, compact size and high-efficiency phase modulator on PIC device with this type of weakly confined waveguide is disclosed.

Abstract: A low propagation loss and loose fabrication tolerance waveguide for a photonic integrated circuit (PIC) device may be realized by using a weak optical confinement to the optical mode, through designing a waveguide of single or double thin strips with high aspect ratio as waveguide core. To introduce a modulation functionality on this type of PIC device, a thin-film electrooptic material may be incorporated to form a hybrid phase modulating device, where a material that can be processed easily may be used as a device layer and is bonded to, or deposited with, a thin electrooptic film that may otherwise be difficult to fabricate or process. A low insertion loss, compact size and high-efficiency phase modulator on PIC device with this type of weakly confined waveguide is disclosed.

Abstract: The present disclosure discloses a modular hardened optical fiber connector and an assembly method thereof. The modular hardened optical fiber connector comprises: a ferrule stub module which comprises a pre-installed optical fiber; an optical cable holding module which comprises an optical drop fiber of an optical drop cable; an optical fiber protection module which is arranged around a connection portion between the pre-installed optical fiber and the optical drop fiber; an inner housing module which accommodates the ferrule stub module, the optical cable holding module and the optical fiber protection module therein; and an outer housing module which accommodates the inner housing module therein.

Abstract: The present invention discloses a type of optical fibre connector, comprising: an external shell; an internal shell, installed within said external shell; an inserted core component, contained within said internal shell and comprising an inserted core and a length of optical fibre pre-installed within said inserted core; and a spring, contained within said internal shell and located behind said inserted core, and being for exerting a pre-set axial force on said inserted core. Said internal shell includes a front part and a rear part; said rear part is assembled on said front part. Additionally, said spring is compressed between said rear part and said inserted core. In the present invention, the rear part can act as a retainer for the compressed spring and can also be for securing the Kevlar fibre extension tube of the optical cable.

Abstract: A split-type car cigarette lighter includes a cigarette lighting device and a car charging device movably connected to the cigarette lighting device. The cigarette lighting device includes a first housing formed a first receiving room therein for receiving a first PCB and a battery therein, and a heating plate electrically connected to the first PCB. The battery is tightly fixed with the first housing and electrically connected to the first PCB. Both the heating plate and the first PCB are tightly fixed with the first housing. the heating plate is electrically connected to the at least one electrical contact when the cigarette lighting device is partially received in the first mounting recess and movably connected to the second housing.

Abstract: An integrated optical polarizer for generating linear polarizing light may be formed in a photonic integrated circuit (PIC) for applications that require stable output state of polarization. The integrated polarizer may be built by using the same materials already present in the PIC without use of other additional layers and claddings, and without other additional structural modification to the waveguide profile. The integrated polarizer comprises a plurality of bending waveguides of a pre-determined radius that are connected to each other in sequence. The bending waveguide has a high birefringence and a loose confinement to conduct one polarization mode and attenuate the other polarization mode. The polarization discrimination is controlled with the degree of the mode confinement, the bending radius, and the number of the bending waveguides that are connected in series.

Abstract: The present invention relates to a low-profile splice protection system for protecting multi-fibre fusion splice sites. The splice protection system comprises coating material to package the splice site and may comprise a protective housing.

Abstract: A two-in-one car cigarette lighter includes a first housing, a second housing connected to the first housing and a heater partially received in the second housing. The first and second housings cooperatively form a receiving room for receiving a battery and a PCB therein. The battery is electrically connected to the PCB and the PCB is tightly fixed with the first housing. A first port and a second port are perpendicularly and electrically connected to the PCB and formed parallel to each other. The second housing includes a first mounting recess so that the heater can pass through the first mounting recess to electrically connect to the PCB. The structure can accordingly not only realize the function of a cigarette lighter, but also have at least one charging interface to conveniently and optionally charge mobile phones, tablet computers and other electronic devices through the charging interface.

Abstract: A car cigarette lighter includes a housing, a heater covered on the housing, a battery and a printed circuit board (PCB) respectively received in a receiving room formed between the housing and the heater. The battery is electrically connected to the PCB and tightly fixed with the housing. The heater is electrically connected to the PCB and the PCB is tightly fixed in an installing slot of the housing. When the heater starts to heat, the current of the battery is transmitted to the heater via the PCB. The built-in battery of the car cigarette lighter can heat the car's cigarette lighter and realize the cigarette lighting function by consuming the electric energy within the battery when the car cigarette lighter is disconnected from the cigarette lighter interface. The structure is compact and convenient to carry.

Abstract: An electronic device includes a cell, a circuit board, and a cell protection unit. The circuit board is provided in the electronic device and configured to control the electronic device. The circuit board is electrically coupled to the cell, and the cell protection unit is provided on the circuit board. The cell protection unit is integrated with the circuit board, so as to facilitate heat dissipation of the cell, prolong the service life of the cell, speed up the production cycle of the cell, and reduce the production cost of the cell.

Abstract: This invention discloses a type of optical fibre connector, comprising: an adapter body with a first locking component; an extending raised edge which surrounds the said adapter body, that raised edge possessing a first connecting surface; and a locking ring, that locking ring being constructed such that it may be installed around the adapter body, said locking ring possessing a second connecting surface and a second locking component; said first locking component and said second locking component being such that they connect together when said locking ring is rotated by an angle of 90 degrees or less than 90 degrees relative to the adapter main body, thus allowing positioning of the first connecting surface at a pre-set distance from second connecting surface.

Abstract: A receptacle terminal includes a base portion having a plate shape extending in a transverse direction and a longitudinal direction and a plurality of pairs of elastic arms arranged in sequence and spaced apart from each other in the longitudinal direction. Each of the elastic arms has a contact portion contacting a plug terminal inserted into the receptacle terminal. A distance from the contact portions of a middle pair of elastic arms to the base portion is less than a distance from the contact portions of another two pairs of elastic arms to the base portion.