Abstract: A resource allocation with dynamic bit control to achieve the greatest fairness for all users and minimize transmission power over orthogonal frequency division multiplexing (OFDM) systems is presented. This technique can be also applied in WiMAX system.

Abstract: An antenna structure includes a radiating element and an antenna radome. The antenna radome has at least one dielectric layer, which has an upper surface having many S-shaped metal patterns and a lower surface having many inverse S-shaped metal patterns corresponding to the S-shaped metal patterns. The S-shaped metal patterns are respectively coupled to the corresponding inverse S-shaped metal patterns to converge radiating beams outputted from the radiating element.

Abstract: A semiconductor memory device comprises a plurality of memory cells, a bit line sense amplifier, a local sense amplifier, and a sense amplifier. The memory cells are connected between a word line and a bit line pair, and the bit line sense amplifier is configured to amplify voltages of data from the bit line pair and then transmits the data to a local data line pair. The local sense amplifier is configured to amplify voltages of the data from the local data line pair and transmit the data to a global data line pair in response to first and second control signals, and the sense amplifier is configured to amplify the voltages of the data from the global data line pair and transmit the data to an input/output line pair during a read operation. The local sense amplifier comprises a first read circuit, a second read circuit, and a write circuit, and when the memory device performs the read operation, the data is transmitted from the first read circuit to the write circuit via the second read circuit.

Abstract: A multi-path data dissemination method for a magnetic diffusion wireless network and a system thereof overcome environmental interferences in wireless data transmissions. Each node of the network is provided for figuring out its good neighbors by broadcasting a good-neighbor exploratory message in a bootstrap process. Each node keeps a good-neighbor table containing nodes with a RSSI higher than a threshold of the good-neighbor table. A magnetic field of a magnetic diffusion (MD) dissemination method capable of determining a data dissemination path is created according to the good-neighbor tables to ensure that the data can be forwarded to a data sink successfully.

Abstract: A rotatable and positionable bathing seat includes a rotating device and a positioning device between a cushion and a base. The rotating device includes an upper turntable connected to the bottom of the cushion, a lower turntable connected to the base, and balls between the upper and lower turntables. The lower turntable includes positioning holes. The positioning device includes a fixing plate connected to the bottom of the cushion, a press plate pivotally connected to the fixing plate, a pivoting portion disposed at the middle of the press plate and an end of the pivoting portion forming a force applying portion, and an elastic element installed between the force applying portion and the fixing plate, and another end of the pivoting portion passed into or separated from a positioning pin in the positioning hole, such that the bathing seat can rotate and position the cushion at the base.

Abstract: An apparatus and method for monitoring optical fiber obstructions in an optical split network is described. The monitoring apparatus comprises a broadband-monitoring light source module, an optical circulator, an optical spectral analyzer, a high-density multi-wavelength OTDR, a controlling computer, a wavelength division multiplexer, a specific wavelength optical filter, a monitoring-waveband reflector, and an optical channel selector. The monitoring apparatus utilizes the specific wavelength optical filter and the monitoring-waveband reflector to collectively construct an optical split network optical fiber obstruction monitoring apparatus for the passive optical network having multiple split routes by filtering, reflecting, and transmitting coming lights, so as to achieve the purposes of locating the obstructed split routes and obstruction locations at the same time.

Abstract: A voltage-controlled oscillator comprises a variable inductor, a negative impedance circuit, an operating voltage source and a ground point. The variable inductor comprises a transformer and a transistor switch, the transformer comprising a primary side coil and a secondary side coil, the primary side coil comprising a first coil and a second coil, and the secondary side coil comprising a third coil and a fourth coil. The transistor switch is connected in parallel with the primary side coil to adjust an inductance value of the variable inductor based on a gate voltage. The negative impedance circuit is connected in parallel with the secondary side coil to compensate the power consumption of the voltage-controlled oscillator during oscillation. The operating voltage source is electrically connected between the third coil and the fourth coil, and the ground point is electrically connected between the first coil and the second coil.

Abstract: The present invention discloses a fiber-optic localized plasmon resonance (FO-LPR) sensing device and a sensing system thereof, the FO-LPR sensing system includes a light source, a FO-LPR sensing device and a detector, and the light source provides a light beam entered into the FO-LPR sensing device, and the detector generates a detected signal according to an emergent light from the FO-LPR sensing device. The FO-LPR sensing device includes an optical fiber, a noble metal nanoparticle layer and a filter film layer. The filter film layer is having a porous material, and the porous material comes with a pore diameter or a property selected according to a feature of a sample, while an interfering substance in the sample is isolated.

Abstract: The present invention relates to a current sensing amplifier and a method thereof. The current sensing amplifier comprises a first current path, a second current path, a first capacitor, a second capacitor and a latch circuit. When a first current and a second current flow in the first current path and the second current path respectively, the first and second capacitor may be charged by the first current and the second current. The first capacitor and the second capacitor may couple the charged voltage to the transistors in the first current path and the second current path when the first and second current path are cut off so as to cancel the effect of offset voltage of the transistors generated during the manufacturing process.

Abstract: A method of fabricating a CMOS device is provided. First, first and second gates, first and second offset spacers and first and second lightly-doped regions are respectively formed in first and second type metal-oxide-semiconductor regions. A mask layer is respectively formed on the first and second gates. Next, an epitaxial layer is formed in the substrate on two sides of the second gate. Next, first and second spacers, first and second doped regions are formed. Next, a portion of the first spacer is removed to expose a portion of a surface of the first lightly-doped region, thereby forming a first slimmed spacer. Next, a coating layer containing silicon is formed to cover the exposed first lightly-doped region, the first and second doped regions. Next, the mask layer is removed. Next, a metal silicide layer is formed on the first and second gates and the silicon layer.

Abstract: A card connector includes an insulating housing which defines a first inserting groove and two soldering openings opened behind the first inserting groove with top ends thereof communicating with the first inserting groove. A plurality of first signal terminals is disposed in the base portion and each has a contacting portion exposed in the first inserting groove and a soldering tail projecting in the soldering opening. A main shell enclosing the insulating housing has a base plate covered on the first inserting groove, and a monitoring gap opened in a rear of the base plate and facing the soldering openings. An auxiliary shell, enclosing the soldering openings after the soldering tails are soldered to a printed circuit board, has a top shielding plate mated with the monitoring gap to cover tops of the soldering openings, and a rear shielding plate covering rears of the soldering openings.

Abstract: A bio-sensing system comprises a light source, a bio-sensing apparatus, a detecting platform, and a processing unit. A bio-sensing apparatus further comprising a substrate, a sample with at least one analyte, at least one grating bound on the substrate for diffracting a light beam in a reflection mode and outputting at least one output light beam, a plurality of nanoparticles being bound on one side of the grating, a molecular recognition unit bound on said nanoparticle surface, and a cover plate covering the nanoparticle-modified side of the substrate. The detecting platform receives a signal while the at least one output light beam passing through the bio-sensing apparatus. The processing unit couples with the detecting platform for receiving and analyzing the signal.

Abstract: A speaker structure contains a removable food container as a resonant box. The speaker structure contains a baffling device. The baffling device contains a baffle and means for retaining an open top of the food container that is attached to the baffle. When the food container is incorporated with the baffling device, the food container works as a conventional resonant box. Furthermore, a user can freely remove the food container from the baffling device and the removed food container may serve its original food-containing function.

Abstract: A document feeding mechanism includes a frame, a document picking means positioned in the frame for picking up and conveying a document, a stopper means positioned in the frame for blocking the conveyance of the document, a supporting portion cooperating with the stopper means for supporting the document picking up means while the document picking up means is raised at a predetermined level, and a blocking portion restricting a rotatable angle of the stopper means for blocking the conveyance of the document while the document picking up means is raised at the predetermined level. The document feeding means is kept at the predetermined level via the cooperation of the supporting portion and the stopper means for supporting the document feeding means. Since, the document feeding mechanism has high reliability to resist shake and crash for preventing the document picking up means from being drooped.