Abstract: A snare band adjustment and locking device of a snare drum includes a mechanism for adjusting first, second and third settings, a first setting wherein the snare band is removed from the snare head, a second setting wherein the snare band has a maximum, predetermined contact pressure with the snare head, and a third setting wherein the contact pressure of the snare band with the snare head can be continuously varied between the contact pressure in the first and second settings. The adjustment mechanism is operated in the third setting via a foot pedal and a cable running through a control member which determines by its tension the spacing between the control member and a control lever pretensioned by a compression spring.

Abstract: An inflating valve has a body and a valve disk. The body is hollow and has a passage defined through the body and a holding tab. The passage has an inner surface and a bottom opening defined in the bottom of the body. The holding tab is radially connected to the inner surface of the passage and has a holding hole defined through the holding tab. The valve disk is attached securely to the bottom of the body to close the bottom opening of the passage and has a holding rod formed on and protruding from the valve disk and engaging the holding hole in the holding tab. Accordingly, the valve disk can be automatically opened by the pressured air and automatically closed by the recoil force provided by the holding tab.

Abstract: A sprinkler assembly has a body, a base assembly, a wheel, a gear assembly, a discharging valve, a spraying head and a cover. The wheel is rotatably mounted in a wheel chamber in the base assembly and has a driving gear. The gear assembly has gear sets engaging each other. Each gear set has a driving gear and a driven gear coaxially mounted on the driving gear. The driving gear has a number of teeth different from that of the driving gear. The driving gear of one of the gear set engages the driving gear on the wheel. The discharging valve has at least one discharging hole. The spraying head is coaxially connected rotatably to the discharging valve and has at least one aligning hole selectively aligns respectively with the at least one discharging hole in the discharging valve.

Abstract: A Ceramic substrate is provided. The ceramic substrate includes a ceramic main body and a planar buffer layer on the ceramic main body. Further, the coefficient of thermal expansion of the ceramic main body CTEm and the coefficient of thermal expansion of the planar buffer layer CTEp satisfy the following mathematical relationship: |CTEm?CTEp|?3×10?6/° C.

Abstract: Disclosed is a method to manufacture an electrode. The metal oxide of different sizes (or metal oxide secondary particle of similar size) is formed on a transparent substrate by electrophoresis deposition. Subsequently, the metal oxide layer is compressed and dipped in dye to complete an electrode applied in a solar cell. Furthermore, the step of dipping the metal oxide in dye can be earlier than the electrophoresis deposition, thereby reducing the dipping period and dipping temperature.

Abstract: A polymeric polymer containing poly(oxyethylene)-amine and its application to preparation of silver nanoparticles. The polymeric polymer is prepared from poly(oxyethylene)-amine and a linker, for example, poly(styrene-co-maleic anhydride) (SMA) or dianhydride. The polymeric polymer can chelate silver ions and reduce them to silver atoms which are dispersed as nanoparticles. No additional reducing agent is needed and more than 30% of solid content of the nanoparticles solution can be achieved without aggregation. The prepared silver nanoparticles are both hydrophilic and hydrophobic and therefore are compatible with polymers.

Abstract: A method for forming a transparent conductive film by atomic layer deposition includes providing more than one kind of oxide precursor which is individually introduced into atomic layer deposition equipment through different sources, wherein the oxide precursors are consecutively introduced into the atomic layer deposition equipment at the same time, so that the oxide precursors are simultaneously present in the atomic layer deposition equipment, to form a uniform mixture of oxide precursors in a single adsorbate layer for settling onto a substrate in the atomic layer deposition equipment. Then, an oxidant is provided to react with the oxide precursors to form a single multi-oxide atomic layer. The above mentioned steps are repeated to form a plurality of multi-oxide atomic layers.

Abstract: A linear light-emitting diode (LED)-based solid-state lamp having a double safety mechanism that comprises at least three shock protection switches, fully protects a person from possible electric shock during re-lamping or maintenance. One protection switch provided at each end of the lamp is able to cut off power when the associated end of the lamp is not inserted into the lamp socket. A third protection switch can be used to turn off the power from the AC main for additional shock protection.

Abstract: The present invention provides an oil-dispersible composite of metallic nanoparticles and a method for synthesizing the same. The composite primarily includes metallic nanoparticles and an oily polymeric polymer such as polyurethane (PU). The oily polymeric polymer serves as a carrier of the metallic nanoparticles by chelating therewith so that the metallic nanoparticles are dispersed uniformly. In the method of the present invention, the metallic ions are first chelated by the oily polymeric polymer and then reduced into nanoparticles. The composite of the present invention is about 5 to 100 nm in particle size.

Abstract: A method and a device using pyrolysis for recycling used printed circuit board in which water (moisture) is introduced in the pyrolysis process and a fully sealed low pressure environment is established to ensure that no combustion happens in the pyrolysis process to enhance the safety of the process; pyrolysis gases generated in the process are concentrated and purified to provide useful fuels or chemical materials; therefore, the present invention can reduce process cost, improve recycling efficiency and provide processing device with high safety, thereby enhancing industry usability.

Abstract: A light emitting diode (LED) light bulb includes a light shade, a heat conduction base, a plurality of heat sink fins, a heat conduction member and a plurality of LED light emitting elements. The heat conduction base has a circumferential portion connected with the plurality of heat sink fins and a central hole to accommodate the heat conduction member. The heat conduction member has an exposed end formed with a plurality of inclined planes and a top plane by stamping. Each of the inclined planes and the top plane are coupled with at least one of the LED light emitting elements, respectively. With the inclined planes and the top plane, the LED light emitting elements project light in different directions. The heat from the LED light emitting elements is transmitted to the plurality of heat sink fins through the heat conduction member to dissipate the heat quickly.

Abstract: An optical disc of a thicker supporting section and a thinner recording section is characterized by: a reinforcement section of a predetermined width which overlaps a supporting section and a recording section. With the reinforcement section, the structure of the optical disc is strengthened, and the resonant frequency of the optical disc is raised, so that the vibration of the optical disc is suppressed and the disc is suitable for high speed (16× up) reading/writing. The optical disc comprises: a circular opening disposed in the center of the optical disc; an annular recording section; an annular supporting section disposed between the annular recording section and the circular opening, wherein the annular supporting section is thicker than the annular recording section; and an annular reinforcement section which is disposed on one of the two sides of the optical disc and overlaps the annular supporting section and the annular recording section.

Abstract: A transparent heat shielding material, a fabrication method thereof and a transparent heat shielding structure are provided. The transparent heat shielding material is represented by MxWO3-yAy, wherein M is at least one element of alkali metal, W is tungsten, O is oxygen, A is halogen, 0<x?1, and 0<y?0.5. The transparent heat shielding material MxWO3-yAy is formed from tungsten oxide with at least one alkali metal cation and halogen anion co-doping into. The transparent heat shielding structure includes one or more layers of a transparent heat shielding film, wherein the transparent heat shielding film includes the material MxWO3-yAy.

Abstract: A LED lamp holder includes a heat sink made of aluminum or copper by stretching molding and defining opposing recessed top end and hollow bottom end, one or a number of LED chips mounted in the recessed top end of the heat sink and adapted for emitting light, and a light transmissive lampshade fastened to the recessed top end of the heat sink by a hook joint or screw joint, or by means of adhesive bonding. The heat sink can be configured to provide a hollow block in the recessed top end thereof for holding multiple LED chips on multiple peripheral walls thereof.

Abstract: A golf training apparatus for training short game and putting game techniques includes (1) an upright support having an upright post, (2) a sliding track assembly having a first track bar transversely mounted at the upright post, a second track bar movably coupled to the first track bar and ball bearings set between the first track bar and the second track bar for guiding sliding movement of the second track bar along the first track bar, and (3) a golf club lock having a locking unit for locking a golf club and a universal joint connected to the locking unit and joined to the second track bar of the sliding track assembly for enabling the golf club to be swung with the universal joint and moved with the second track bar relative to the first track bar by a user.

Abstract: Disclosed is a triphenylene based aromatic compound, wherein a benzene center is substituted with a triphenylene group and another aromatic group such as triphenylenyl, pyrenyl, phenylvinyl, carbazolylphenyl, or arylanthryl in the meta position of the benzene center. The meta-substituted aromatic compound of the invention has better thermal stability (Tg) than the conventional para-substituted aromatic compound. The meta-substituted aromatic compound, served as a hole transporting layer or a host material applied in a light emitting layer in an OLED, is more preferable than the conventional para-substituted aromatic compound.

Abstract: An isosorbide derivative of Formula (I) is provided. In Formula (I), Z is —CH2—CH2—, —CH?CH—, —C?C—, —CH2—O—, —CH2—S—, —CH?N—O—, —CO—O—, —CO—S—, single bond, -ph-, —CO—O-ph- or —CO—O-ph-CO—O—, and ph represents benzene, R1 and R2 are, independently, C1-25 alkyl, —CN, —NCS, —CX3 or —OCX3, and X represents halogen, and m and n are, independently, 0, 1 or 2. The invention also provides a liquid crystal display including the isosorbide derivative.

Abstract: The invention discloses a nano-fiber material, wherein the nano-fiber material is formed by spinning an ionic polymer into a nano-fiber nonwoven, and the ionic polymer is represented by the formula: wherein: R1 includes phenyl sulfonate or alkyl sulfonate; R2 includes R3 includes and m/n is between 1/50 and 50/1, q?0.