Abstract: Techniques and examples pertaining to variation calibration for envelope tracking on chip are described. Envelope tracking (ET) statistics among multiple wireless-capable mobile devices (e.g., smartphones) may be collected in laboratory. Optimal ET parameters may be determined based on ET statistics. An ET setting file may be generated for ET factory calibration. In production lines, the ET setting file may be loaded into each mobile device for ET factory calibration.

Abstract: A line layout and a spacer self-aligned quadruple patterning method thereof are provided. The line layout includes a first line, a second line, a third line, and a fourth line. The second line and the third line are disposed between the first line and the fourth line. The first line, the second line, the third line, and the fourth line respectively extend in a first direction. An end segment of the second line and an end segment of the third line respectively include a first protrusion portions that extend in a second direction. The first protrusion portion of the end segment of the second line protrudes toward the first line. The first protrusion portion of the end segment of the third line protrudes toward the fourth line.

Abstract: A mouth mirror apparatus is adapted to be connected to a suction device and includes a mounting frame, an elongated handle, and a mirror member. The mirror member is rotatably mounted on a major wall of the mounting frame and can be driven to rotate when the suction device is actuated. When the mirror member rotates, a centrifugal force is generated to fling off water drops and/or debris on a reflecting surface of the mirror member.

Abstract: A communication unit comprises a radio frequency, RF, transmitter comprising: a power amplifier, PA, module; an envelope tracking system operably coupled to the PA module and arranged to variably control a supply voltage for the PA module; and a load control system operably coupled to an output of the PA module and arranged to control a power amplifier output load.

Abstract: Disclosed is a process for the preparation of cis-1,1,1,4,4,4-hexafluoro-2-butene comprising contacting 1,1,1-trifluorotrichloroethane with hydrogen in the presence of a catalyst comprising ruthenium to produce a product mixture comprising 1316mxx, recovering said 1316mxx as a mixture of Z- and E-isomers, contacting said 1316mxx with hydrogen, in the presence of a catalyst selected from the group consisting of copper on carbon, nickel on carbon, copper and nickel on carbon and copper and palladium on carbon, to produce a second product mixture, comprising E- or Z-CFC-1326mxz, and subjecting said second product mixture to a separation step to provide E- or Z-1326mxz.

Abstract: Disclosed are an in-cell touch panel, a touch detection method and a liquid crystal display device. The in-cell touch panel includes a driving layer, a liquid crystal layer and a sensing layer which are sequentially stacked, and a touch control unit and an LCD driving unit which are connected to each other, the driving layer being provided with a plurality of driving lines, the sensing layer being provided with a plurality of sensing lines connected to the touch control unit. The driving layer includes at least two scanning regions, and the touch control unit is configured to send at least two driving signals with different frequencies to scan corresponding scanning regions on the driving layer.

Abstract: The present invention relates to fluoroolefin compositions useful as gases for CVD semiconductor manufacture, particularly for etching applications including methods for removing surface deposits from the interior of a chemical vapor deposition chamber by using an activated gas mixture, and methods for etching the surface of a semiconductor.

Abstract: An antenna array formed of individual electrically connected pluralities of wideband antenna elements. The array features a centrally located rectangular ground plane having a top surface defined by four edges. Each of said pluralities of elements is engaged to a separate substrate which is engaged along one of the four edges. The substrates may be angled to adjust the footprint of the antenna.

Abstract: A radiator element for RF communications formed of a planar conductive material positioned upon a planar dielectric substrate surface. Two lobes formed of the conductive material have side edges abutting a cavity decreasing in cross section between the lobes. The cavity has a widest point configured to receive RF frequencies at the lowest frequency and a narrowest point configured to receive a highest frequency of the element. Opposing pairs of notches in the side edges of the lobes along the decreasing edges of the cavity enhance the frequency of operation for frequencies paired to the distance between the pairs of notches.

Abstract: A radiator element for transmission and reception of RF communications formed of a planar conductive material positioned upon a planar dielectric substrate surface. Two lobes formed of the conductive material have side edges abutting a cavity decreasing in cross section between the lobes. The cavity has a widest point configured to receive RF frequencies at the lowest frequency and a narrowest point configured to receive a highest frequency of the element. The widest and narrowest point may be changed during manufacture to fit the frequency spectrum needed. Opposing pairs of recess cavities formed in the side edges of the lobes along the decreasing edges of the cavity enhance the frequency of operation for frequencies paired to the distance between the pairs of notches. Projections are employable along the side edges to optimize impedance.

Abstract: A calibration method is applied to a wireless communication device having a programmable tuner and a signal processing path. The calibration method includes at least the following steps: configuring the programmable tuner to have a plurality of different tuner states, wherein the signal processing path has a first end and a second end, and the programmable tuner is coupled to the second end; when the programmable tuner is configured to have one of the different tuner states, obtaining a measured reflection coefficient at the first end of the signal processing path; and calibrating mapping relationship between a reflection coefficient at the first end of the signal processing path and a reflection coefficient at the second end of the signal processing path according to the different tuner states and measured reflection coefficients associated with the different tuner states.

Abstract: Disclosed is a process for producing hexafluoro-2-butyne comprising, reacting HCFC-336 with an aqueous solution of an alkali metal hydroxide in the presence of a quaternary alkylammonium salt which comprises at least one alkyl group of at least 8 carbons, and recovering the hexafluoro-2-butyne, wherein the conversion of dichloro-1,1,1,4,4,4-hexafluorobutane is at least 50% per hour. Also disclosed is a process for producing hexafluoro-2-butyne comprising, reacting HCFC-336 with an aqueous solution of an alkali metal hydroxide in the presence of a quaternary alkylammonium salt having alkyl groups of from four to ten carbon atoms, and mixtures thereof, and a non-ionic surfactant, and recovering the hexafluoro-2-butyne, and wherein the conversion of dichloro-1,1,1,4,4,4-hexafluorobutane to hexafluoro-2-butyne is at least 20% per hour.

Abstract: Apparatus and methods are provided to calibrate a closed-loop envelop tracking system for a power amplifier of a wireless transmitter using standardized modulation signals. In one novel aspect, a closed-loop adaptive method is used to track changes in PA nonlinearity due to environmental or circuitry changes during operating condition using standardized modulation signals. In one embodiment, the PA supply voltage compensation lookup table (LUT) and/or the phase compensation LUT is updated during normal operation to sustain good linearity and efficiency performance. In another novel aspect, the PA target response is adjusted in response to changes in PA-related system configuration, such as changes in PA bias settings, and/or indicators measured from the transmitter such as changes in impedance or temperature changes for the RF module or the PA module. The PA supply voltage compensation LUT and/or the phase LUT is updated accordingly upon adjustment of the PA target response.

Abstract: A camera module includes a circuit board, an image sensor, a bracket, a VCM, and a lens module. The image sensor is positioned on the circuit board. The bracket is mounted on the circuit board and receives the image sensor. The VCM is mounted on the bracket and includes a conductive housing and pins extending from the housing. The pins are electrically connected to the circuit board. The lens module is received in the VCM. The VCM with the lens module is supported on the bracket. The optical axis of the lens module is coinciding with a center of the image sensor. The bracket includes a plating layer and solder bumps. The plating layer is formed at least one of side surfaces of the bracket. The solder bumps electrically connect the plating layer to the circuit board and electrically connect the plating layer to the housing.

Abstract: A camera module includes a voice coil motor, a lens module, a substrate, an imagine sensor, a circuit board and a conductive adhesive tape. The voice coil motor includes a conductive housing defining a first hole. The lens module is received in the first hole. The substrate supports the voice coil motor and defines a second hole. The circuit board includes a grounding area. The image sensor is supported by the circuit board, and is received in the second hole, and aligned with the lens module. The conductive adhesive tape covers the substrate and electrically connects the conductive housing to the grounding area.

Abstract: Camera module with switchable light filters includes a lens module, a bearing rotating device, a visible light filter, and an infrared light filter. The bearing rotating device includes a rotating shaft, at least one guiding stick, and a bearing plate. The rotating bearing plate holds the two filters and defines an arcuated guiding slot. The circle center of the arcuated guiding slot is the rotating shaft. A visible light filter and an infrared light filter are switchable, their movement being governed by the guiding stick and the guiding slot, to respective alignment with an optical axis of the lens module. The camera module can rotate the bearing plate to switch the infrared filter for the visible filter where the acquisition of infrared light is required.

Abstract: An antenna element is disclosed which is formed in a unitary structure featuring a planar ground plane portion formed of electrically conductive material engaged with a perpendicular radiator element. One or a plurality of gaps formed into the radiator element provide one or a plurality of additional antenna elements which may be horizontally or vertically disposed for accommodating horizontally or vertically polarized RF transmission and reception.

Abstract: The application discloses an illumination apparatus comprising: a light source configured to generate light; a detector configured to detect the posture of an object within a time period and generate a plurality of signals corresponding to this time period; and a processor configured to determine the status of the object within the time period, based on the plurality of signals, and adjust the light source to generate light corresponding to the determined status of the object.

Abstract: A broadband antenna element for RF transmission and reception over cellular frequencies. The antenna element is formed of conductive material on a substrate surface of conductive material in the form of a pair of half portions extending in opposite directions to distal tips defining the widest distance of a mouth of a cavity. The mouth converges to reduce in cross-section to a narrowest point at a plurality of different flare angles defined by the edges of the two half portions in between the pair of half portions forming the element. The resulting antenna element radiates and receives a wide band cellular frequencies enabling a single element to serve different providers operating on different frequency bands in the cellular spectrum between 680 MHz to 1900 MHz.

Abstract: An instance of an existing data system has one or more processes. Each process has corresponding metadata. In one example method, metadata for a given process is accessed and a visual diagram of the process is automatically generated based on the diagram. The visual diagram is displayed on a user interface display and a user modification input is received on the user interface display modifying the visual diagram to obtain a modified visual diagram. The metadata corresponding to the process is modified based on the modification to the visual diagram.