Abstract: A dual operational frequency slot antenna for receiving/transmitting wireless signals from a satellite or for receiving/transmitting wireless signals in an RFID system comprises two L-type slot antennas and a printed circuit feed line to receive and transmit circularly polarized radiation at dual operational frequencies.

Abstract: An electrical scanning probe microscope (SPM) apparatus. The SPM apparatus is equipped with an atomic force microscope with long-wavelength laser source to acquire topographic images and an electrical scanning sensor operatively coupled to the atomic force microscope to acquire synchronous two-dimensional electrical images. The photoperturbation effects induced by stray light and perturbation of the contrast of SCM images can be ameliorated.

Abstract: An electrical scanning probe microscope (SPM) apparatus. The SPM apparatus is equipped with an atomic force microscope with an infrared laser source, a position-sensitive photo-detector (PSPD) to provide a topographic image, a charge-coupled device (CCD) monitor for optical alignment, and an electrical scanning sensor operatively coupled to the atomic force microscope to acquire synchronous two-dimensional electrical images. The photoperturbation effects induced by stray light and perturbation of the contrast of SCM images can thus be ameliorated.

Abstract: A striker assembly for a nailer comprises: a striker formed with an inserting hole; a piston formed at its clamping portion with a receiving groove for insertion of the connecting end of the striker, on the clamping portion is an inserting hole; a pin inserted in the inserting holes of the striker and the piston; a gap is formed at either side of the striker, and protruding portions are formed on the piston according to the shape of the gaps of the striker, whereby the protruding portions are stably engaged with the gaps of the striker. Thereby, the connecting strength between the striker and the piston is improved, and the service life of the striker assembly is prolonged.

Abstract: An automatically notifying system for testing a cellular phone module is provided. The system includes a control computer having a testing program for providing a test request, a testing device electrically connected with the control computer and the cellular phone module for testing the cellular phone module in response to the test request, and sending a test status back to the control computer, such that the testing program generates a trigger signal in response to the test status, and a control module electrically connected with the control computer for sending a warning message to a communication group in response to the trigger signal.

Abstract: A stacked microstrip reflect array antenna includes a circular disk for reflecting a remote communication signal; an antenna for receiving the communication signal reflected by the circular disk and sending another communication signal to the circular disk to be reflected; and a fixing frame for fixing the antenna on a first plane of the circular disk; wherein the first plane has a plurality of array squares, every array square has a plurality of first array elements and a second array element, the plurality of first array elements are mounted on a top surface of the first plane and the second array element is mounted on a bottom surface of the first plane at a position corresponding to a center of the plurality of first array elements.

Abstract: A striker assembly for a nailer comprises: a striker formed with an inserting hole; a piston formed at its clamping portion with a receiving groove for insertion of the connecting end of the striker, on the clamping portion is an inserting hole; a pin inserted in the inserting holes of the striker and the piston; a gap is formed at either side of the striker, and protruding portions are formed on the piston according to the shape of the gaps of the striker, whereby the protruding portions are stably engaged with the gaps of the striker. Thereby, the connecting strength between the striker and the piston is improved, and the service life of the striker assembly is prolonged.

Abstract: A dual operational frequency slot antenna for receiving/transmitting wireless signals from a satellite or for receiving/transmitting wireless signals in an RFID system comprises two L-type slot antennas and a printed circuit feed line to receive and transmit circularly polarized radiation at dual operational frequencies.

Abstract: A bilayer microstrip reflector antenna is disclosed to include a first dielectric layer, the first dielectric layer having antenna units and phase-delay circuit units overlapped on antenna units, and a second dielectric layer abutting against the first dielectric layer. A better gain-bandwidth is obtained by adjusting the overlapping distance of the antenna units and phase-delay circuit units, side length of antenna units and the dielectric constant and thickness of the two dielectric layers. Surface wave phenomenon is reduced by means of selecting a relatively lower dielectric constant. A satisfactory grounding effect is obtained to reduce radiation from phase-delay circuit units by lowering the second dielectric layer toward the ground.

Abstract: An electrical scanning probe microscope (SPM) apparatus. The SPM apparatus is equipped with an atomic force microscope with long-wavelength laser source to acquire topographic images and an electrical scanning sensor operatively coupled to the atomic force microscope to acquire synchronous two-dimensional electrical images. The photoperturbation effects induced by stray light and perturbation of the contrast of SCM images can be ameliorated.

Abstract: A DIY cabinet has a foldable frame, a top panel, a bottom panel, a rear panel and multiple pop-it fasteners. The panels are attached to the foldable frame with the pop-it fasteners. Each pop-it fastener is composed of a countersunk tube and a stud. The countersunk tubes are pressed into head holes in panels, and the studs are screwed into and extend from base holes in the foldable frame and align with corresponding head holes in the panels. The studs extending from the base holes are pressed respectively into the countersunk tube in the head holes. Thereby, the panels are conveniently mounted on the foldable frame without using any tools. Moreover, the foldable frame can be folded to reduce the size of the disassembled DIY cabinet.

Abstract: An access point and related method that is applicable for indoor and outdoor 802.11 IEEE Wireless LAN protocol. The access point can transform data from a wireless local area network (WLAN) module into a wireless wide area network (wireless WAN) module and from a wireless wide area network into a wireless local area network. The access point includes a wireless local area network module for transmitting and receiving wireless local area network packets, a wireless wide area network module for transmitting and receiving wireless wide area network packets, and an adaptor. The adapter can transform packets from a wireless local area network into a wireless wide area network and from a wireless wide area network into a wireless local area network.

Abstract: A mobile server for internetworking WPAN, WLAN, and WLAN used as an access point in mobile wireless communication applications. The mobile server includes a central network processor, a plurality of detachable WPAN, WLAN and WLAN adapters, and a storage device. The central network processor includes a flow controller and a bridge for dealing with data flow, detecting direction of the data flow, and transforming data types. The storage device is electrically connected to the central network processor for storing multimedia data and system codes.

Abstract: An improved structure of a buckle to fasten shoelaces includes a box like arcuate main body having a longitudinal gap and a pair of flanges in the top, a pair of cross-shaped through holes in front and back walls for disposing a pair of sliders into the main body which further has an inverse U-shaped check plate at each end, a pair of inlets and pair of outlets spacedly formed in the bottom for inserting in and piercing out of a pair of tags of the shoelace, an elastic plate mounted on the main body having a pair of detent mean on each end wall held by the flanges of the main body and a colorful cap covering the elastic plate and the main body having a retaining flange inside a front and a back wall held by the bottom of the main body. The front wall of the cap further has a pair of retaining grooves in out surface for engage within the tags to make a butterfly configuration on the vamp of a shoe.

Abstract: A bilayer micros trip reflector antenna is disclosed to include a first dielectric layer, the first dielectric layer having antenna units and phase-delay circuit units overlapped on antenna units, and a second dielectric layer abutting against the first dielectric layer. A better gain-bandwidth is obtained by adjusting the overlapping distance of the antenna units and phase-delay circuit units, side length of antenna units and the dielectric constant and thickness of the two dielectric layers. Surface wave phenomenon is reduced by means of selecting a relatively lower dielectric constant. A satisfactory grounding effect is obtained to reduce radiation from phase-delay circuit units by lowering the second dielectric layer toward the ground.

Abstract: Multimeric compounds that bind to P-Selectin Glycoprotein 1 (PSGL-1) on the surface of T cells or natural killer (NK) cells can be used to induce T cell or NK cell depletion and/or to induce T cell or NK cell apoptosis. The multimeric compounds and methods of the invention can be used to control unwanted T cell- or NK cell-mediated immune responses in conditions such as inflammatory diseases, autoimmune diseases, transplant rejection, and allergic diseases.

Abstract: A screw bit replacing device for screw dispensers includes a main body having a passage defined therethrough in which a shaft is rotatably received. The shaft has a threaded recess defined in an end thereof so as to be engaged with a screw bit. A barrel has a tubular portion inserted in the passage and series of screws are sent in the barrel. A slot is defined through a wall of the tubular portion of the barrel and a plate is removably inserted in the slot. The plate has at least one aperture defined therethrough which is engaged with the screw bit so that when rotating the shaft, the screw bit is easily to be connected to or disengaged from the shaft.

Abstract: A method of growing single crystal Gallium Nitride on silicon substrate is disclosed including: removing oxide layer of silicon substrate, growing buffer layer of Silicon Carbon Nitride (SiCN), and growing single crystalline Gallium Nitride thin film, characterized in that a buffer layer of SiCN is grown to avoid lattice mismatch which appears when Gallium Nitride is grown directly on silicon substrate, and that Rapid Thermal Chemical Vapor Deposition is adopted to grow SiCN buffer layer, and that Metalorganic Chemical Vapor Deposition is adopted to grow single crystalline GaN thin film.

Abstract: A structure of a buckle to fasten shoelaces is provided. The buckle includes a box like arcurate main body having a gap and flanges on the top, an opening in each end, a rectangular through hole in the middle of front and back walls, a pair of inlets and a pair of outlets symmetrically and spacedly formed in the bottom with the outlets being positioned outside of the inlets and a pair of retaining plates being defined abutting the outlets, a pair of sliders slidably disposed into the main body and positioned between each of the inlets and outlets and having a flat depression in the top and a striped surface on a lateral side, a pair of tags from a shoelace respectively inserted into the main body via the inlets and surrounded the top of the sliders and then pierced out of the main body via the outlets, an elastic cap covered the main body and having two pairs of retaining blocks held by the flanges of the main body and two pairs of actuating rods engageable with the sliders.

Abstract: A screw feeding device includes a one-piece member composed of a gar, a hollow shaft and a positioning gear, a one-direction bearing received in the hollow shaft and a biasing plate contacting the positioning gear. The one-piece member reduces the space occupied by the parts of the device. An adjusting shaft has a serrated surface at one end to contact a safety board and a plurality of notches in the other end of the adjusting shaft, the notches are engaged with a bead biased by a spring, thereby controlling a depth of the screw that penetrates in an object. The guide body of the device is composed of two halves so that the manufacturing cost is reduced.