Abstract: A rotatable connector comprises a pedestal, a spring, a holding plate, a universal coupling and a receptacle. The pedestal has a base plate, several ledges and a pair of pillars extending upwardly from the base plate. The pillars stand opposite sides of the base plate and outside the ledges. Each pillar has a hole therein. The spring is arranged to encase the ledges. A plurality of bulges is projected outwardly from an outer edge of the holding plate and pressed on the spring. The universal coupling has a first pivot, a second pivot and a shaft. The first and the second pivots are pivotally engaged by the shaft. Ends of the first pivot are pivotally inserted into the holes of the pillars. One end of second pivot engages with the holding plate, while the other end is fixed to the receptacle. The receptacle is electrically and mechanical connected to a cable end plug.

Abstract: An electrical connector includes an insulation housing, conductive terminals, first spring arms, second spring arms, solder legs, a circuit board and several retaining portions. A memory card slot is formed in the housing which adapted to receive the flash memory cards of different types. Each conductive terminal includes a spring portion and a solder portion. The solder portions of the conductive terminals and the solder legs are disposed on the lateral of the housing of the electrical connector. The solder portions of the conductive terminals are soldered on a main board for conducting the electronic signals between the flash memory cards and the main board. The solder legs are soldered on the main board to connect the circuit on the circuit board with the main board for transmitting the electronic signals between the flash memory cards and the circuit board.

Abstract: A Subscriber Identity Module (SIM) card connector with ejector includes a housing, a plurality of contacts which is brought into contact with an external contact of the card inserted in the housing, and an ejector. The housing forms a card receiving space on one side for containing the SIM card and an ejector receiving groove on the other side for containing the ejector. The ejector comprises a slider which moves in the direction of card insertion or ejection, a push rod, and a lever. The slider has a push portion extending into the card receiving space. The lever can pivot in the groove. One side of the lever separately engages with the push rod and can be pushed to rotate by the push rod. The other side of the lever engages with the slider, therefore the slider can be driven to slide when the lever rotates.

Abstract: An InGaAs/GaAs High Electron Mobility Transistor (HEMT) comprises a buffer layer, a main conducting channel, an InGaAs/GaAs thickness-graded superlattice structure, a mono atom &dgr;-doped carrier supply layer, a Schottky cap layer of gate electrode and an Ohmic cap layer of drain electrode and source electrode which are formed successively on a substrate. The superlattice structure comprises spacer and sub-channel. By using thickness-graded superlattice spacer structure is able to ameliorate lattice-mismatch-induced scattering within heterostucture interfacial, increase range of gate voltage swing in gate electrode, and through real-space transfer generated by bias voltage in high electric field, drain-to-source saturation current proceed step-up phenomenon to forming a HEMT having scalable voltage multi-extrinsic transconductance enhanced portions.

Abstract: The present invention provides PeMADS2, PeMADS3, PeMADS4 and PeMADS5 for controlling floral development in orchid. The present invention also provides a protein, a vector, a cell, a protocorn, and a kit for controlling the floral development in orchid. A method for producing transgenic orchid and a transgenic orchid are provided.

Abstract: A waterproof heat-preservative film is formed by providing a melt of a waterproof material, mixing phase-change microcapsules with the melt to form a mixture, solidifying the mixture and pulverizing the solidified mixture to form particles containing phase-change microcapsules, and forming a film with the particles by means of extruding or blowing.

Abstract: A reel charging device includes a casing integral with electrically interconnected charging plug and a power outlet plug, the casing incorporating a reel capstan complete with a winding groove to facilitate housing of coil of leader whereby the charging plug rests onto the charging device, and said winding groove will release the coil of leader to suitable length as required; outside the rotative perimeter of the reel capstan are a plurality of dents which in a stay-put setting allows for catching of a claw by resilient action, the claw being part of an actuator, then, of the casing, so that the coil of leader rolled up in position in the reel capstan is restrained from being disengaged by a pull unless the actuator, being worked upon by force, is displaced to release the claw from the fed position in the dents.

Abstract: A solution method for preparing indium-tin oxide (ITO) powders is provided. Indium compounds and tin compounds are dissolved in water respectively to form two solution bodies. Some proper additives are added into the solution bodies to form metal hydroxyl compounds with determined composition. After water washing and filtration, proper additives are added into the solution to peptize the solution. During the peptization process, hydrolysis and condensation reactions occurs between different metal hydroxyl compounds. Solvent of the solution is then removed to form high quality nanometer grade ITO powders.

Abstract: The present invention provides a two-stage ejection mechanism of card connector which includes a frame, a slider, a slider pin and a spring. The frame forms a cam member. One end of the slider pin engages moveably with the cam member, the other end engages pivotally with the slider, and the spring can act resilience on the slider. In this way, the two-stage ejection mechanism of card connector is provided with a back and forth movement in the course of loading and unloading the card. Moreover, the slider forms directly a spring pin thereon for contacting and pressing elastically the slider pin, which prevents the spring pin and the slider pin from missing engagement. Thereby the two-stage ejection mechanism can simplify the structure and decrease the making and assembling cost for the card connector by means of the improved structure of the spring pin.

Abstract: A bipolar heterojunction transistor (HBT) includes a collector layer, a base layer formed on the collector layer, a first transition layer formed on the base layer, an emitter layer formed on the first transition layer, a second transition layer formed on the emitter layer, and an emitter cap layer formed on the second transition layer. Each of the first and second transition layers is formed of a composition that contains an element, the mole fraction of which is graded in such a manner that the conduction band of the HBT is continuous through the base layer, the first and second transition layers, the emitter layer and the emitter cap layer.

Abstract: An electrical plug includes a first insulating body, a first prong extending from one end of the first insulating body, a second insulating body, and a second prong extending from one end of the second insulating body. The first insulating body and the second insulating body are separably held together so as to enable the first prong and the second prong to fit into the electrical outlets of various specifications.

Abstract: A method for modification of glass-based microchannels, which uses liquid organic-based solution containing siloxane for the modification of microchannels on the glass substrate, such as quartz, boron glass, sodium glass, and the like, to form a solid film to isolate the glass surface of the microchannels from the environment. Therefore, the present invention can be applied for electrophoresis experiment, so that the operation causes no electrical-double-layer effects, and further eliminates the occurrence of electro-osmosis flow, thus the separation efficiency of electrophoresis chips is improved.

Abstract: A generic software testing system and mechanism is disclosed for use in distributed object-oriented systems. The present invention directly utilizes class diagrams (or interface definitions) and sequence diagrams to automatically generate the execution codes and test template required for testing the software system, wherein the class diagram data, the interface definition data and the sequence diagram data are generated by a software development tool of distributed object-oriented system. The present invention is applicable to the tests of a software system of which the functions and operations can be presented merely with class diagrams (or interface definitions) and sequence diagrams generated by the tools used during software development, wherein the software system can be as small as an individual unit (component) or module, or as large as an entire distributed object-oriented system.

Abstract: A reel charging device includes a casing integral with electrically interconnected charging plug and a power outlet plug, the casing incorporating a reel capstan complete with a winding groove to facilitate housing of coil of leader whereby the charging plug rests onto the charging device, and said winding groove will release the coil of leader to suitable length as required; outside the rotative perimeter of the reel capstan are a plurality of dents which in a stay-put setting allows for catching of a claw by resilient action, the claw being part of an actuator, then, of the casing, so that the coil of leader rolled up in position in the reel capstan is restrained from being disengaged by a pull unless the actuator, being worked upon by force, is displaced to release the claw from the fed position in the dents.

Abstract: The present invention provides an active magnetic bearing (AMA) with improved configuration. The active magnetic bearing includes a stator which possesses only three magnetic poles. The three magnetic poles are arranged radially with an equiangular degree along an internal circumference of the stator and not in the same semicircle. Each of the magnetic poles is equipped with an individual power amplifier for providing coil current. In the other way, two of the magnetic poles can be equipped with only one power amplifier, and the other magnetic pole is equipped with an individual power amplifier so as to reduce the number of the power amplifiers.

Abstract: A semiconductor diode with hydrogen detection capability includes a semiconductor substrate, a doped semiconductor active layer formed on the substrate and made from a compound having the formula XYZ, in which X is a Group III element, Y is another Group III element different from X, and Z is a Group V element, an ohmic contact layer formed on the active layer, and a Schottky barrier contact layer formed on the active layer so as to provide a Schottky barrier therebetween. The Schottky barrier contact layer is made from a metal that is capable of dissociating a hydrogen molecule into hydrogen atoms.

Abstract: A method of thermosonic wire bonding process for copper connection in a chip comprises controllable time, controllable temperature, and controllable humidity in an artificial circumstance, which generates copper oxide film on a surface of copper chip. The thickness of the film is in the range of 8050 Å to 8200Å.

Abstract: A culturing chamber is a closed system to culture cells on a microscope stage for a long time and consists of base (10), a compartment layer (20), and a lid (30) sealingly and detachably combined together. The lid (30) is able to be selectively opened or closed to make the operation such as cell injection convenient. An electronic signal device containing a mult-operational system is applied to the culture chamber to maintain the living circumstance steady for the cells, so that the cultured cells can live long on the microscope stage and be observed and cultured at the same time.

Abstract: The invention relates to a method of using MPEG-7 in object segmentation to extract a desired moving or still image object. The method includes extracting the feature of an existing video object Plane (VOP) by MPEG-7 technique and storing it in an MPEG-7 database, segmenting an input image into a plurality of objects by using the watershed process, comparing each of the plurality of objects to the stored object descriptor feature, and extracting the shape and position of the most similar object in the input image.

Abstract: The present invention discloses a foldable mechanism for playyard, comprising: a connection element for connecting a pair of hollow rods, having an U-shaped cross section, two pairs of guiding grooves and a plurality of through holes for rivets being provided at both sides of the connection element; a pair of hollow rods in which a spring and a latching block are accommodated respectively, a through hole for rivet and a groove being provided at both sides of the hollow rods respectively; and a press-down element having two ramps, for pressing the latching block literally to disengage the engaged status between the connection element and the hollow rod, wherein the press-down element, hollow rod and latching block are fixed on the connection element by rivets, when a user presses the press-down element, the ramps of the press-down element would push the latching block to move literally so as to disengage the engaged status between the connection element and the hollow rod to achieve the effect of collapsing th