Abstract: A radio frequency (RF) power amplifier is disclosed. The RF power amplifier includes a bias circuit, an output stage circuit and dynamic bias controlling circuit. The bias circuit receives a system voltage and the bias circuit provides a working voltage according to the system voltage. The output stage circuit receives the working voltage so as to work at an operation bias point. The dynamic bias controlling circuit receives the working voltage and outputs a compensation voltage to the bias circuit according to a variation of the working voltage. When the input power increases and makes the working voltage decreases so as to shift the operation bias point, the bias circuit adjusts the working voltage upward so as to recover the operation bias point according to the compensation voltage received.

Abstract: An aircraft store ejector systems and subsystems thereof. Embodiments can include a two-reservoir re-pressurization system wherein a remote reservoir is used to maintain desired pressure in a local ejector reservoir. The system can include a release valve having a vent valve and valve piston. The release valve can control release of pressurized gas to a pitch control valve. The pitch control valve can be configured to distribute the pressurized gas between two or more ejector piston assemblies. One or more of the ejector piston assemblies can include multiple concentric piston stages and piston chambers, the piston chambers configured to contain a volume of gas. The ejector piston assemblies can be configured to compress the volume of gas within the piston chambers as the piston stages are extended out from the aircraft. Such compression can provide a return force to the piston stages.

Abstract: A process and an apparatus are disclosed for recovering ethane, ethylene, and heavier hydrocarbon components from a hydrocarbon gas stream. The stream is cooled, expanded to lower pressure, and supplied to a first fractionation tower at a mid-column feed position. A distillation liquid stream is withdrawn from the first fractionation tower below the feed position of the expanded stream, heated, and directed into a second fractionation tower that produces an overhead vapor stream and a bottom liquid stream. The overhead vapor stream is cooled to condense it, with a portion of the condensed stream directed to the second fractionation tower as its top feed and the remainder directed to the first fractionation tower at a lower column feed position. The bottom liquid stream from the second fractionation tower is cooled and directed to the first fractionation tower as its top feed.

Abstract: A non-contact voltage detection panel mount assembly is provided. The assembly includes a base to mount to an electrical enclosure, the base including of four voltage portals, a test point and a test voltage generator circuit used to test a pen. The pen is operatively connected to the base and includes an electrical charge storage device, a charge indicator operatively connected to the electrical charge storage device to indicate a presence of a charge within the electrical charge storage device, and a voltage present indicator to indicate presence of a voltage. The pen has a first position for lock-out-tag-out to monitor and test for voltage in any one of the four voltage portals and a second position to determine presence of voltage in the test point.

Abstract: A method for compressing a stream by means of a codec (C), provided for assigning to a compressed stream an encoding throughput (Q) measured in bits per second, using a pre-filter (X1) replacing in the header (T1) of the original stream, the restoration frequency (R) with a frequency equal to the product (R×K) of the restoration frequency (R) by a coefficient (K) and then for retransmitting the thereby filtered stream (FX1) to the codec; the post-filter (X2) replacing the restoration frequency (R) into the header (TX2) of a stream (FX2) resulting from the encoding of the pre-filtered stream (FX1) by the codec C.

Abstract: A high-efficiency power supply apparatus is provided in light of the reduction of the switching loss. The power supply apparatus connected between the AC power supply and the DC load converts the AC power supplied from the AC power supply to the DC power and supplies it to the DC load. The power supply apparatus comprises the first switching circuit for outputting the switched positive and negative voltages to the primary winding of the transformer, a second switching circuit for supplying the DC power induced in the secondary winding of the transformer and switched to the DC load connected to the second AC terminals, a resonance inductor serial-connected to the primary winding, and a control unit for controlling the switching operations performed by the first and second switching circuits. The control unit substantially short-circuits the second AC terminals by controlling the switching operations performed by the second switching circuit.

Abstract: A process for hydrotreating a naphtha fraction that includes a step of estimating the difference between the naphtha fraction hydrotreating reactor outlet temperature and inlet temperature, based on the reaction temperature of the Fischer-Tropsch synthesis reaction and the ratio of the flow rate of the treated naphtha fraction returned to the naphtha fraction hydrotreating step relative to the flow rate of the treated naphtha fraction discharged from the naphtha fraction hydrotreating step, a step of measuring the difference between the naphtha fraction hydrotreating reactor outlet temperature and inlet temperature, and a step of adjusting the reaction temperature of the naphtha fraction hydrotreating step so that the measured difference between the naphtha fraction hydrotreating reactor outlet temperature and inlet temperature becomes substantially equal to the estimated difference between the naphtha fraction hydrotreating reactor outlet temperature and inlet temperature.

Abstract: A combination apparatus integrates the operation of a snorkel with a diving regulator having a breathing chamber and a diaphragm/purge valve chamber. A compressed air tank is in fluid communication with the diving regulator and a normally closed regulator valve is disposed between the compressed air tank and the diving regulator. A regulator valve spring maintains the regulator valve in the normally closed position. In a first embodiment, the regulator valve spring exerts about eight pounds per square inch on the normally closed regulator valve. Air enters into the breathing chamber from the compressed air tank through the diaphragm/purge valve chamber when the submerged diver inhales. The apparatus enables surface snorkeling and underwater diving and the diver need not switch from a snorkel mouthpiece to a diving regulator mouthpiece. Further embodiments re-locate the snorkel tube exhaust valve and add a two-position valve to the snorkel main tube.

Abstract: A system and method for an adaptable oxygen regulator with an electronic control device is disclosed. In one embodiment, an oxygen regulator system includes an electronic control device which includes a non-volatile memory for storing a first reference point. The electronic control device also includes a pressure sensor configured for generating pressure data of the pressurized aircraft cabin. The electronic control device further includes a logical control unit for generating a control signal by processing the first reference point and the pressure data. Further, the electronic control unit includes a rotary actuator for generating a rotary displacement based on the control signal. Moreover, the oxygen regulator system includes a demand dilution oxygen regulator coupled to the electronic control unit and configured to control the supply of oxygen and the flow of dilution air from the pressurized aircraft cabin based on the control signal.

Abstract: A unitary hand-held, single-use liquid dispenser and applicator is disclosed. A squeezable handle also serves as a reservoir for liquid. A non-forming thermoplastic film seals liquid within the reservoir. Novel weaknesses in the film can be broken on demand to create an opening for liquid to freely flow onto an absorbent pad. A user can thus dispense and apply the liquid without ever touching the liquid or the surface with his hands.

Abstract: The present invention relates to a package having a semiconductor device. The semiconductor device includes a substrate body, a plurality of conductive vias and a plurality of metal pads. The conductive vias are disposed in the through holes of the substrate body. The metal pads are electrically connected to the conductive vias. At least one of the metal pads has at least one curved side wall and at least one reference side wall. The curvature of the curved side wall is different from that of the reference side wall, so as to allow the metal pads to be closer to each other. This arrangement allows the conductive to be closer to each other. Therefore, more conductive vias can be arranged in a limited space.

Abstract: A method for contamination detection in a time-of-flight (TOF) range imaging system is described, wherein the TOF range imaging system receives light reflected from a scene, through an optical interface, on an imager sensor having an array of pixels, and wherein distance information and amplitude information are determined for the sensor pixels. The presence of contamination on the optical interface is determined on the basis of amplitude information determined for the sensor pixels.

Abstract: A calibration device provides a lightweight rigid support for a long arm. The rigid support includes thin flat sheets separated by a light weight filler. The filler prevents wrinkling or rippling of the flat sheets. Three ball trihedral nest kinematic mounts may be attached to opposite ends of the long arm for precise mounting of retro-reflectors for optical calibration, or precision spheres may be attached to the opposite ends of the long tube to obtain a mechanical calibration standard.

Abstract: An curtain side airbag apparatus includes an airbag and an inflator. The airbag is stored in a housing adjacent to a side structure of a vehicle. The airbag includes a main body and an additional cushion portion. The housing includes an opening flange. The inflator provides a gas into the airbag for inflating the airbag. Upon deployment of the airbag, the main body of the airbag projects substantially downwardly from the housing and the additional cushion portion of the airbag projects substantially upwardly into the opening flange of the housing.

Abstract: Provided is a press machine for driving a slide by a motor, including a control device for controlling driving of the motor, in which the press machine has a press capacity which can be variably controlled by using field control for the motor.

Abstract: The present invention relates to a novel human-derived cell permeable peptide-bioactive peptide conjugate and the use thereof. According to the present invention, cationic cell permeable peptides derived from human bone morphogenetic protein-4 have no toxicity and immunogenicity and thus exhibit high stability as compared to viral peptide delivery vehicles, and can transport cell impermeable material into cells and into an organism without any damage to cell or material, thereby significantly increasing target gene expression. In addition, the peptide may be applied to clinical use without having to undergo a large number of processes and mass-produced, such that the present invention may be useful in the development of a drug delivery system and treatment technologies using said peptide.

Abstract: A process and an apparatus are disclosed for the recovery of ethane, ethylene, propane, propylene, and heavier hydrocarbon components from a hydrocarbon gas stream in a compact processing assembly. The gas stream is cooled and divided into first and second streams. The first stream is further cooled to condense substantially all of it and is thereafter expanded to lower pressure and supplied as the top feed to an absorbing means inside the processing assembly. The second stream is also expanded to lower pressure and supplied as the bottom feed to the absorbing means. A distillation vapor stream is collected from the upper region of the absorbing means and directed into one or more heat exchange means inside the processing assembly to heat it while cooling the gas stream and the first stream.