Abstract: A hinge assembly includes a first bracket, a second bracket and a shaft assembly rotatably connecting with the first bracket and the second bracket. The shaft assembly includes a shaft and an elastic member sleeved on the shaft. The shaft extends through the first bracket and the second bracket. The first bracket has a connecting end with a protrusion, the second bracket has a connecting portion defining a curved latching slot and a passing slot communicating with the curved latching slot. The width of the curved latching slot decreases along the curved extending direction, and the width of the protrusion is substantially the same as the width of one end of the curved latching slot, and wider than the other end of the curved latching slot.

Abstract: The present invention belongs to a spiro phosphine-oxazoline and preparation method and application thereof, particularly, publishes a novel spiro phosphine-oxazoline and the preparation method of its iridium complex. The substituted 7-diaryl phosphino-7?-carboxy-1,1?-Lo-dihydro-indene is used as the starting raw material to synthesize the novel spiro phosphine-oxazoline of the present invention through a two-step reaction. The novel spiro phosphine-oxazoline and the iridium precursor are complexed to become a complex, and then through ion exchange, an iridium/phosphine spiro-oxazoline complex with different anions can be obtained. The present invention overcomes the shortcomings of the existing technology. The cheap readily available amino alcohol is used as the raw material to synthesize the novel spiro phosphine-oxazoline, on the fourth position of the oxazoline ring of which there is no substitutent.

Abstract: A swivel-hinge assembly includes a main plate, a knuckle on the main plate, a first pivot shaft rotatably engaged in the knuckle, at least one end of the first pivot shaft exposed out of the knuckle and a peg positioned on the end of the first pivot shaft exposed out of the knuckle. The peg includes a limiting portion protruding out of the first pivot shaft and abutting an edge of the knuckle, wherein when the first pivot shaft is rotated and reaches a predetermined position the limiting portion of the peg abuts the main plate thereby preventing further rotation of the first pivot shaft.

Abstract: The present invention relates to a preparation method of carboxylic acids with optical activity, particularly, publishes that very useful chiral carboxylic acids can be obtained by the asymmetric catalytic hydrogenation of tri-substituted ?,?-unsaturated carboxylic acids, with the complexes of the chiral phosphor nitrogen ligands and iridium used as the catalysts which show high activity and enantioselectivity (up to 99.8% ee), thus provides a more efficient method with higher enantioselectivity for asymmetric catalytic hydrogenation of chiral carboxylic acid-like compounds, and has important application value to asymmetric hydrogenation of chiral carboxylic acids.

Abstract: A driving device for an LED circuit includes a power receiving terminal, a capacitor, and a light adjusting unit. The power receiving terminal is coupled to a switch for receiving a DC power source that supplies for the LED circuit and the driving device via the switch. The capacitor is coupled to the power receiving terminal, and is utilized for storing energy. The light adjusting unit is coupled to the power receiving terminal and the capacitor, and is utilized for generating a control signal according the status of the switch when a voltage on the capacitor decreases and does not decrease below a first threshold voltage, for adjusting light intensity of the LED circuit.

Abstract: A compression artifact removing apparatus according to the present invention performs a filtering process on the target pixel, using the same filter as used for the best match pixel in the reference frame, when a scene change has not occurred in the target frame and a temporal correlation of the local area around the target pixel and the local area around its best match is high, to reduce the amount of computation.

Abstract: The present invention discloses an electronic ballast with dimming control from power line sensing for a fluorescent lamp, comprising: a control voltage generator, used to generate a control voltage according to a switching count of a power line; an oscillator, used to generate an oscillating signal, wherein the oscillating signal is of a fixed frequency and has a rising voltage portion and a falling voltage portion; and a comparator, used to generate a high side gating signal according to voltage comparison of the oscillating signal and the control voltage.

Abstract: The present invention provides a modified nucleic acid for expressing bovine lactoferricin (LFB) in algae, which consists of SEQ ID NO: 3. The present invention also provides a method of producing a foreign desired gene product in algae, comprising: (a) weakening or removing cell wall of the algae by a protein enzyme solution to make algae become suitable for gene transfer; (b) transferring a foreign gene encoding the desired gene product into the algae; and (c) expressing the foreign gene to produce the desired gene product. The present invention further provides a feed composition comprising a transgenic algae or its offspring, wherein the cell wall of said transgenic algae is weakened or removed by a protein enzyme solution.

Abstract: The present invention discloses an electronic ballast with dimming control from power line sensing for a fluorescent lamp, comprising: a line switching sensing circuit, used to generate a switching sensing signal by performing a voltage comparison operation on a DC voltage; an oscillating signal gating unit, used to gate an oscillating signal with a pulse signal to generate a gated oscillating signal, wherein the pulse width of the pulse signal is generated according to the switching sensing signal; and a non-overlapping driver, used to generate a high side driving signal and a low side driving signal according to the gated oscillating signal.

Abstract: The present invention discloses an electronic ballast with dimming control from power line sensing for a fluorescent lamp, comprising: a line switching sensing circuit, used to generate a switching sensing signal by performing a voltage comparison operation on a DC voltage, and generate a reset signal according to the off time of the power line; a dimming voltage generator, used to generate a dimming voltage according to a count of the switching sensing signal; and a phase-controlled non-overlapping driver, used to generate a high side driving signal and a low side driving signal for delivering a lamp current according to the dimming voltage, wherein the dimming voltage is used to generate a phase, and the phase is used to generate the lamp current.

Abstract: The present invention discloses an electronic ballast with dimming control from power line sensing for a fluorescent lamp, comprising: a line switching sensing circuit, used to generate a switching sensing signal by performing a voltage comparison operation on a DC voltage, and generate a reset signal according to the off time of the power line; a control voltage generator, used to generate a control voltage according to the count of said switching sensing signal; a voltage controlled oscillator, used to generate an oscillating signal according to the control voltage; and a non-overlapping driver, used to generate a high side driving signal and a low side driving signal according to the oscillating signal.

Abstract: An improved brake spider and anchor pin assembly in which weight, cost, manufacture, axle installation and maintenance is improved over prior brake spider designs. The improved brake spider is built up from light weight, relatively inexpensive stampings which are joined together, for example by welding, to form a strong built-up brake spider component. In one embodiment, two steel stampings formed with flanges and stamped strengthening ribs are welded together to form a hollow, structure which has the strength to withstand high brake force loads and large numbers of brake cycles. The built up brake spider may include one or more captured inserts in the form of anchor pin assemblies and a brake actuator rod pass-through support. The anchor pin insert may be in the form of a trunion having a middle section with a greater diameter than corresponding holes in the shell plates to preclude axial motion.

Abstract: A hinge assembly includes a first rotation member and a second rotation member. The first rotation member includes an elastic coiled support portion. The second rotation member includes an elastic rotation portion. The rotation portion defines a cavity. The support portion is rotatably received in the cavity of the rotation portion.

Abstract: A hinge assembly includes a pivot shaft, a rotatable stand, a fixed stand, a cam, a cam follower, and a fastening member. The rotatable stand is non-rotatably connected to the pivot shaft and has a first fixing plate. The fixed stand is rotatably connected to the pivot shaft, and has a second fixing plate. The fastening member engages with an end of the pivot shaft. The cam follower defines two positioning cutouts. Two positioning protrusions are formed on the cam. One of the cam and the cam follower is rotatably connected to the pivot shaft. When the positioning protrusions engage in the positioning cutouts, the first fixing plate is oblique to the second fixing plate.

Abstract: A direct current (DC) drive includes a voltage input unit, a comparing unit, a latch unit and a voltage output unit. The voltage input unit has at least one input terminal and at least one output terminal provides a DC voltage. The comparing unit receives the DC voltage and generates a comparison control signal according to a comparison result obtained by comparing a voltage of a positive voltage terminal with a voltage of a negative voltage terminal. The latch unit is connected to the comparing unit and the voltage input unit. The voltage output unit connected to the latch unit receives the DC voltage from the voltage input unit. The latch unit selectively provides the DC voltage to the voltage output unit according to the comparison control signal.

Abstract: A duct stent being capable of carrying the subminiature radioactive particle source is mainly used for the inside radiation therapy of metaphase or terminal pancreatic cancer and bile duct cancer, and has drainage function. The duct stent consists of a tubular drainage tube (1) and fixation portions (2) which are face to face with two ends of the drainage tube (1) and can fix the stent to prevent the stent from moving. The lumen of the drainage tube (1) is a drainage cavity (1.1) for draining the pancreatic juice or the bile. A particle passage (1.2) is provided in the tube wall of the drainage tube (1). The inside diameter of the particle passage (1.2) matches with the outer diameter of the subminiature radioactive particle source.

Abstract: A method of making a current sensing chip resistor is composed of a resistor manufacturing process which is constituted by a pre-process and a post-process. In addition, a thin-film process is used for the resistor manufacturing process, and the aluminum nitride substrate is used in the thin-film, in association with a technique of flip chip structure of single-side manufacturing process, enabling the resistor to be provided with performances of a high power, a high precision, a high thermal conductivity, a low temperature coefficient, a low noise, and a saving of utilization space of PCB (Printed Circuit Board).

Abstract: A USB card reader with auto-execution and method thereof is disclosed. A HID and an auto-key-in device are included in the USB card reader to execute an on-access program automatically when the USB card reader is mounted with a host system. One or a plurality of characters are keyed in the host system by the auto-key-in device through the HID and they may comprises a hot key for on-access program execution, a website address, a password or a finger print identification data.

Abstract: The present invention provides a DC to DC conversion circuit, comprising a DC power supply, a DC to DC converter, a power management IC and a load, wherein the load may be a backlight source of a liquid crystal display. The power management IC controls the DC to DC converter to convert a DC voltage supplied by the DC power supply to an output voltage of the DC to DC converter, which is supplied to the load. The power management IC is capable of controlling the DC to DC converter to adjust the output voltage to a minimum voltage actually needed by the load according to the variation of the minimum voltage which is actually needed by the load.

Abstract: A method of making a current sensing chip resistor is composed of a resistor manufacturing process which is constituted by a pre-process and a post-process. In addition, a thin-film process is used for the resistor manufacturing process, and the aluminum nitride substrate is used in the thin-film, in association with a technique of flip chip structure of single-side manufacturing process, enabling the resistor to be provided with performances of a high power, a high precision, a high thermal conductivity, a low temperature coefficient, a low noise, and a saving of utilization space of PCB (Printed Circuit Board).