Abstract: An FBG encoder as an optical waveguide device includes plural unit FBGs respectively including a periodic refractive index modulation structure in a longitudinal direction of an optical fiber and aligned in the longitudinal direction of the optical fiber; and a phase shift section formed between any two adjacent unit FBGs among the plural unit FBGs, thereby producing a predetermined phase difference between the periodic refractive index modulation structures of two adjacent unit FBGs, wherein the unit FBGs respectively have a structure wherein a period of the periodic refractive index modulation of the plural unit diffraction grating sections gradually increases or decreases in the longitudinal direction of the optical fiber or a structure wherein amplitude of the periodic refractive index modulation is varied relative to the longitudinal direction of the optical fiber so that an envelope of the periodic refractive index modulation is a predetermined window function.

Abstract: A two-stage injection molding machine having a pressure sensor device is proposed. The two-stage injection molding machine includes an injection part having an injection cylinder, a driving unit, and an injection rod installed in the injection cylinder; a metering part for feeding plastic material to the injection cylinder of the injection part; and a loadcell installed between the injection rod and the driving unit, wherein pressures in the injection cylinder during the feed metering, injection, and packing processes are detected via the loadcell and the pressure sensor rod. As a result, an accurate pressure feedback control is implemented to achieve high precision injection molding quality. And with the two-stage injection molding machine having such a simple structural design, occurrence of signal distortion and delayed response is prevented.

Abstract: An EMI (Electrical Magnetic Interference) test system is provided. The system includes a testing table, a horizontal antenna, a vertical antenna and a processing unit. The testing table is used for supporting an Equipment Under Test (EUT). The horizontal antenna is positioned at a first location in an EMI chamber. The vertical antenna is positioned at a second location in the EMI chamber. The vertical antenna and the horizontal antenna are used for receiving the electromagnetic wave radiated from the EUT, and producing a vertical electric wave and a horizontal electric wave respectively. The processing unit is coupled to the vertical antenna and the horizontal antenna for transforming and analyzing the vertical electric wave and the horizontal electric wave.

Abstract: A method of forming a transflective liquid crystal display device with a wide-viewing angle. An insulating layer having an uneven surface is formed on a first substrate. An opening is formed in the insulating layer. A conformal reflective electrode is formed on a sidewall and a bottom of the opening and partial insulating layer. The reflective electrode has an opaque portion and a transparent portion, and the transparent portion is located in the opening. At least one symmetric protruding element is formed on the insulating layer around the reflective electrode. A first alignment film is formed on the reflective electrode and the symmetric protruding element. A common electrode and a second alignment film are sequentially formed on an inner surface of a second substrate. Negative type liquid crystal molecules added with chiral agent fill in a space between the first and second substrates to form a liquid crystal layer.

Abstract: A method for changing the CPU frequency under control of a neural network. The neural network has m basis functions and n basis points that are connected together. Using the learning capability of the neural network to deduce basis weights based on dummy environmental parameters and a dummy output vector. In an application procedure, environmental parameters are input to the basis points and basis vectors are calculated based on the basis functions. Integrating the multiplication of each basis vector and its corresponding basis weight, an output vector can be generated to determine a control signal so that the CPU can be controlled to raise or lower its operating frequency. In addition, if the user has to change the parameters due to behavior, a fast learning function of a radial neural network can be used for complying with each user's behavior.

Abstract: A turbine-boosted photocatalysis fluid processor that makes the fluid that flows inside form a high-speed whirlpool so as to enhance both the sterilization effect of the ultraviolet-radiation and the photocatalysis effect. The high-speed whirlpool also improves the degradation of organic contaminants and reduces the frequency maintenance of the quartz sleeve. The ultraviolet-radiation indicator and the color scale with different shades of colors positioned together are convenient for users to measure the intensity of the ultraviolet-radiation so as to avoid the loss of effectiveness of the photocatalysis fluid processor caused by aging or damage of the ultraviolet-radiation lamp.

Abstract: A semiconductor package 11 which has a plurality of connection terminals 14 to be connected to a board and a plurality of test terminals 15, which usually do not need to be connected to the board and are for performance test by the maker, on a joint surface 12 thereof to the board. Placed in the semiconductor package are a predetermined-pitch area 16 where the connection terminals 14 are arranged at predetermined pitches in a lattice and a narrow-pitch area 17 where the test terminals 15 are arranged at pitches narrower than the predetermined pitches in a lattice.

Abstract: A method of identifying logical information in a cell, particularly in a programming by hot hole injection nitride electron storage (PHINES) cell by one-side reading scheme is disclosed. The method comprise steps of: erasing the first region and the second region of PHINES cell by increasing a local threshold voltage (Vt) to a certain value; programming at least one of the first region and the second region of the PHINES cell by hot hole injection; and reading a logical state of the PHINES cell by measuring an output current of one of the first region and the second region; wherein different quantity of the output current is caused by interaction between different quantity of the hot hole stored in the first region and the second region, so as to determine the logical state of the PHINES cell by one-side reading scheme.

Abstract: An amplifier circuit having a high time constant. An operational amplifier includes a non-converting input terminal coupled to a ground, a converting input terminal and an output terminal. A first resistor network including at least one stage is coupled between the converting input terminal and the output terminal. Each stage of the first resistor network includes a first node, a first current path and a second current path connected to the first node. The first current path of each stage of the first resistor network is connected to the first node of the next stage, the second current path of each stage of the first resistor network is grounded, and the first current path of the first stage of the first resistor network is connected to the converting input terminal. A loading unit is coupled between the converting input terminal and the output terminal.

Abstract: Ferrite cores are provided with rounded, convex head ends and complimentary rounded, concave tail ends. The configuration of the head and tail ends permits a reduction in gap width between adjacent cores when they are joined together into a core assembly that suppresses electromagnetic interference emitted from a cable.

Abstract: An apparatus for mobile positioning and a method therefor are disclosed for determining the location of a mobile unit in a wireless communication system. First, an angle of arrival of a wireless signal transmitted by a mobile unit and being incident on a base station is determined by using an arrival angle estimator including a switched cross-correlator, an accumulator, and a phase detector. Next, the distance between the mobile unit and the base station is estimated according to timing information provided by the base station, such as timing-advance parameter of global system for mobile communications. The mobile unit is then positioned according to the angle of arrival and the distance between the base station and the mobile unit. Mobile positioning can be achieved according to the invention, using one base station without substantially modifying the existing base stations. In addition, the performance of positioning can be significantly improved.

Abstract: In a method for the continuous real time tracking of the position of at least one mobile object in a defined multidimensional space, at least one mobile transmitter module is attached to at least one mobile object and the signals from the at least one module are received by a stationary receiving and signal processing network and then centrally processed. The signals emitted by each transmitter module are electromagnetic waves sent within a frequency band range using time division multiplexing techniques.

Abstract: The invention discloses an identifiable flexible printed circuit board (PCB) and a method of fabricating the same. The identifiable flexible PCB includes a flexible substrate, a conductive layer, and a printing ink layer. First, the conductive layer is formed over a surface of the flexible substrate. Second, the printing ink layer is formed on the surface of the flexible substrate by coating, exposing, and developing to uncover parts of the conductive layer. Also, at least one identifiable area is formed on the printing ink layer and one can easily and correctly identify the cartridge with the flexible PCB.

Abstract: A microcontroller including a CPU (Central Processor Unit) is capable of detecting the error of its structural part. The CPU executes a first initialization phase in response to a power-on reset signal output from a power-on reset circuit, then executes a second initialization phase in response to a start signal, and then executes usual processing. The CPU outputs a single timer run signal during first initialization phase and repeatedly outputs the timer run signals during usual processing. A watchdog timer starts timing in response to the timer run signal and then outputs an overflow signal on the elapse of a preselected period of time. After receiving the power-on reset signal from the power-on reset circuit, an error detector feeds the CPU with the start signal in response to an overflow signal output from the watchdog timer for the first time.

Abstract: A portable electronic system equipped with a spare battery device. The portable electronic system includes a spare battery device and a portable device. The spare battery device includes a first fixer unit, a power storage unit and a sensory control unit. The sensory control unit further includes a constant voltage source, a resistor, a resilient object, output contact pads, and a control unit. The portable device includes a second fixer unit, a covering, and input contact pads. By adjusting the coupling relationship between the first fixer unit and the second fixer unit, each output contact pad can be coupled to the associated input contact pads; and the control unit is for controlling output power of the spare battery device.

Abstract: A distributed directory management system includes a plurality of service spaces on a network each having an object repository storing service objects to be retrieved and attribute information pieces thereof. A service object managing mechanism for each service space manages the object repository and executes retrieval of a service object using the attribute information piece as a key. A service space connection managing mechanism for each service space implements message communication with the service object managing mechanisms to collect mutual connection information of the service spaces and manages the collected mutual connection information. A service object retrieval managing mechanism for each service space sends a retrieval message from a user to the service object managing mechanism in the same service space to request execution of retrieval of a service object.

Abstract: An industrial computer without a fan is provided. The industrial computer comprises an aluminum case including a plurality of top fins projected toward a vertical direction and a plurality of side fins projected toward a horizontal direction; a motherboard including a plurality of heat-generating members such as CPU and north-bridge chipset formed thereon; and a radiating member having a top in contact with an inner surface of the case and a bottom rested upon the heat-generating members.

Abstract: A permeable conductive shield providing protection from electromagnetic interference and electrostatic discharge has a laminated structure suitable for application to the foil side or the component side of a circuit board. The laminated structure includes an array of foam spacers arranged with spaces between them, a layer of foam attached to the top of the spacers, a first insulating sheet on the layer of foam spacers; a conductive sheet on the first insulating sheet, and a second insulating sheet on the conductive sheet. Each of the layers has a multiplicity of through holes aligned with corresponding through holes in the other layers and with the spaces between the foam spacers so as to allow airflow through the structure. The layers are bonded together with intervening adhesive layers. A pressure-sensitive adhesive is applied to the bottom of the spacers for attaching the permeable conductive shield to the circuit board.