Abstract: The present invention relates to a multi-period cycle-alternative switching mode power supply control device and its control method, and the device comprises: a power transfer control unit, a dimming bias control, a burst timing control, and a steering logic; and the method is a power control method that uses a burst timing control to produce an ON_OFF (High_Low) control timing, and after regulated power with a different amplitude is added to the OFF period of the burst period between two ON_OFF periods, two or more mixed periods are used to regulate the timing to a highly reliable and a broad dynamic range. The device of the invention can effectively control certain power transfer components of specific nature and assure that those components and the loading at the rear end can operate more efficiently in a reliable range of a specific nature.

Abstract: An arc discharge protection apparatus to prevent arc discharge from occurring in a high voltage output zone caused by abnormal conditions includes an electrode plate to absorb high voltage arc discharge signals released by a voltage boosting unit in the high voltage output zone. A voltage switch unit receives the high voltage arc discharge signals absorbed by the electrode plate and transforms to low voltage arc discharge signals. A rectification unit receives and rectifies the low voltage arc discharge signals and outputs an arc hybrid wave. A trigger unit detects the arc hybrid wave and outputs a trigger signal to stop operation of the control unit or driving unit, thereby prevents arc discharge from causing damage to the surrounding elements resulting from accumulation of heat or sparks.

Abstract: A power supply guide device of a computer host is provided as a connection structure between a power supply and a computer case. The power supply guide device comprises a computer case and a power supply placement device. A first guide device is provided on the horizontal plane of the computer case. A first pivotal portion and a second pivotal portion are located at the upper end and the lower end of the vertical plane of the computer case, respectively. The power supply placement device has a space for placing the power supply. A first fastening device above the power supply placement device is fastened with the first guide device. The first pivotal device and the second pivotal device are respectively connected with the first pivotal portion and the second pivotal portion so that the power supply placement device can be pivotally connected with the computer case.

Abstract: The system is applicable to any system having need for a positive stop at the end of a period of travel. In a vertical blind track system, a lead carrier which is typically manipulated by a control wand with universal linkage can include an installable and removable end stop engagement structure. This structure fits onto conventional lead carriers within a slot which is upwardly directed and at one side of the lead carrier. The installable and removable end stop engagement structure has a wide lateral slot, and including a first engagement member for engaging an edge of one end of the slot on the lead carrier, and a second engagement member which is angled and placed next to an extension to facilitate manual engagement and removal of the installable and removable end stop engagement structure. Once mounted in place, it aligns with, and is force or momentum inserted into and through a stop engagement aperture.

Abstract: A function switch includes a switch base fixed to an apparatus and formed with a plurality of angularly spaced pitches, a knob, base disposed rotatably within an annular opening in the switch base, an external knob disposed on the switch seat and connected securely to the knob base for co-rotation therewith, and a spring member fixed to the knob base and having a resilient extension portion with engaging tongue slidably engaging the switch base to prevent removal therebetween. The engaging tongue collides against a respective groove to generate a clicking sound when the external knob is turned together with the knob base with respect to the switch base.

Abstract: A microfluidic pump driven by thermoacoustic effect is mainly composed of a thermoacoustic device, a fluid-storing tank, and at least one microchannel, etc., wherein the thermoacoustic device may convert thermal energy into acoustic energy. Pressure fluctuation and velocity fluctuation with high frequency are generated by the acoustic wave. According to the high amplitude pressure fluctuation, the microfluid with high moving velocity emitted through microchannels. Since there is no movable part arranged in the thermo-acoustic generator. In the meantime, it indirectly drives the working fluid located in the fluid-storing tank by the manner of indirect contact. So the present invention may be applied in the non-conductive fluid so as to greatly extend its field of application. Moreover, the characteristics of the fluid won't be influenced by the heating process as well. The present invention is indeed a microfluid-driving device that has inventiveness and high application value.

Abstract: An arc discharge protection apparatus to prevent arc discharge from occurring in a high voltage output zone caused by abnormal conditions includes an electrode plate to absorb high voltage arc discharge signals released by a voltage boosting unit in the high voltage output zone. A voltage switch unit receives the high voltage arc discharge signals absorbed by the electrode plate and transforms to low voltage arc discharge signals. A rectification unit receives and rectifies the low voltage arc discharge signals and outputs an arc hybrid wave. A trigger unit detects the arc hybrid wave and outputs a trigger signal to stop operation of the control unit or driving unit, thereby prevents arc discharge from causing damage to the surrounding elements resulting from accumulation of heat or sparks.

Abstract: A method for writing a memory module includes providing a plurality of memory cells, applying a first transmission line voltage to the first transmission line of the column of a memory cell, turning on a P-type channel of a memory cell between the memory cell to be written and the first transmission line of the column of the memory cell, turning off the P-type channel of at least one memory cell between the memory cell and the second transmission line of the column of the memory cell, applying a word line voltage to a word line connected to the memory cell, in order to inject hot electrons on a junction between the substrate and the first P-type doped region of the memory cell into a silicon nitride layer of the memory cell using band-to-band tunneling injection, and applying a substrate voltage to the substrates of the plurality of memory cells.

Abstract: Opto-electrical systems having electrical and optical interconnections formed in thin layers are disclosed. In one set of preferred embodiments, optical signals are conveyed between layers by respective vertical optical couplers disposed on the layers. In other preferred embodiments, optical signals are conveyed by stack optical waveguide coupling means. Yet other preferred embodiments have electrical via means formed in one or more layers to covey electrical signals between two or more layers.

Abstract: The present invention discloses to a multi-period cycle-alternative switching mode power supply control device, comprising: a power transfer control unit, a dimming bias control, a burst timing control, and a steering logic; wherein said device has a variable multi-period control cycle to effectively control certain power transfer elements of specific nature and assure those elements and the loading at the rear end can operate more efficiently in a reliable range of specific nature.

Abstract: A card ejecting mechanism includes a push member movable relative to a card retainer, and a buffer member including a retarding piece formed thereon and disposed between the card retainer and the push member in such a manner that when the push member is moved to an ejection position, the buffer member bends toward the card retainer so as to abut slidably against a card kept in the card retainer, thereby retarding the ejecting force when the card is ejected from the card retainer.

Abstract: A function switch includes a switch base fixed to an apparatus and formed with a plurality of angularly spaced pitches, a knob base disposed rotatably within an annular opening in the switch base, an external knob disposed on the switch seat and connected securely to the knob base for co-rotation therewith, and a spring member fixed to the knob base and having a resilient extension portion with engaging tongue slidably engaging the switch base to prevent removal therebetween. The engaging tongue collides against a respective groove to generate a clicking sound when the external knob is turned together with the knob base with respect to the switch base.

Abstract: An integrated power supply apparatus for information appliances includes a power supply input unit, a rectification unit and a voltage boosting unit. The previous design of transforming low voltage to high voltage through a voltage boosting unit (inverter) is changed to transforming to medium voltage through the rectification unit then is transformed to high voltage through the voltage boosting unit. Therefore loss on the low voltage power supply is eliminated, and performance may increase from 64% to about 80% or more. Thus the low voltage power supply module that otherwise should have extra power and greater watts may be shrunk and power supply efficiency may increase.

Abstract: A power supply apparatus capable of providing medium voltage direct current to provide medium voltage and low voltage direct current includes a power supply input unit, a rectification unit and a conversion unit. The power supply input unit delivers AC voltage to the rectification unit which rectifies and outputs medium voltage DC. A portion of the medium voltage DC is further transformed by the conversion unit such that the whole DC power supply apparatus not only supplies low voltage power also directly supplies medium voltage power to enhance flexibility and efficiency of power supply for information appliances in the PC era.

Abstract: A fast assembly structure module comprises a seat body connected to at least one control unit. The seat body has at least three plate bodies. Each plate body has a connection hole. The control unit has an arm. A retaining plate, which can be controlled to insert in and extract out of a corresponding connection hole, is controlled by the arm. The retaining plate is retracted by use of the arm. An electrical component having a plurality of projection sticks, each of which is removably inserted into the connection hole of one of the at least three plate bodies, is releasably locked to the seat body by the retaining plate and inserted into and removed from the seat body by using to arm to displace the retaining plate.

Abstract: A method for programming PMOS single transistor flash memory cells through channel hot carrier induced hot electron injection mechanism is disclosed. The PMOS single transistor flash memory cell includes an ONO stack layer situated on an N-well of a semiconductor substrate, a P+ poly gate formed on the ONO stack layer, a P+ doped source region disposed in the N-well at one side of the gate, and a P+ doped drain region disposed in the N-well at the other side of the gate. The method includes the steps of: applying a word line voltage VWL on the P+ poly gate, applying a source line voltage VSL on the source, wherein the source line voltage VSL is greater than the word line voltage VWL, thereby providing adequate bias to turn on the P channel thereof.

Abstract: The present invention is to provide a frame mechanism for facilitating replacement of an electronic device from a computer, which comprises a pivotal parallelepiped frame having a mounting side for installing the electronic device (e.g., CD-ROM drive etc.) therethrough, a pivot member of the frame being coupled to a mating pivot member of a parallelepiped cavity provided on the case enabling the frame to be pivotally rotated about the connection of the pivot member and the mating pivot member and enabling a first, second, and third engagement members of the frame to be coupled to a first, second, and third mating engagement members provided on the cavity while the frame being pivotally rotated, thereby projecting the mounting side of the frame from the cavity to the outside of the computer.

Abstract: A current/charge leakage balancing device is used to balance the current/charge leakage that occurs between the display and the backlight module due to the parasitic capacitance effects. The current that respectively flows through each lamp is thereby balanced, which enables to maintain uniform lamp sources and provides uniform brightness of the display panel.

Abstract: A piezoelectric transformation driving apparatus for driving elements or products to be driven by a high or a low voltage includes a pulse-width modulation (PWM) control unit, a plurality of driving units, a plurality of transformation units, a plurality of piezoelectric units, and a plurality of loads. The PWM control unit outputs signals of the same phase and frequency to drive synchronously the driving units, the transformation units, the piezoelectric units and the loads to operate synchronously.

Abstract: A wafer has a substrate defined with a first region and a second region. An ONO layer, a first silicon layer, and a silicon nitride layer are formed on the substrate in sequence. Then the ONO layer, the first silicon layer, and the silicon nitride layer disposed on the second region are removed. At least one gate oxide layer is formed on the second region and a second silicon layer is deposited on the wafer. After that, a photo-etching process is performed to remove the second silicon layer and the silicon nitride layer on the first region. At least a third silicon layer is formed on the wafer. Photo-etching processes and a plurality of ion implantation processes are then performed to form a gate, a drain, and a source of each MOS transistor on the substrate.