Abstract: A system for driving a lamp module (13) includes a converter (11), a driving circuit (12), and a pulse width modulation (PWM) controller (14). The lamp module includes a plurality of lamps. The converter converts a received voltage to a direct current (DC) voltage. The driving circuit converts the DC voltage to an alternating current (AC) voltage. The PWM controller is connected between the converter and the lamp module, for regulating the DC voltages outputted from the converter according to current flowing through the lamps of the lamp module. In one embodiment, the system includes a bus inverter controller. The bus inverter controller is connected between the driving circuit and the lamp module, for regulating a working frequency thereof and controlling the AC voltage outputted from the driving circuit when the lamps are turned on. The system has a reduced number of PWM controllers and a relatively low cost.

Abstract: A handheld electronic data processing device includes a first body, a second body and a hinge seat. The first body has a first keypad and a second keypad located in different directions. The second body has a display screen. The first body and the hinge seat are coupled through a first hinge such that the hinge seat is rotatable relative to the first body about a first rotational axis. The second body and the hinge seat are coupled through a second hinge such that the second body is rotatable about two rotational axes relative to the hinge seat. Thereby the second body may be swiveled relative to the first body about three rotational axes to provide varying operation modes corresponding to different functions.

Abstract: A portable electric device, to provide mobile phones and PDA functions, includes a main body and a sub-body. The main body has a first keyboard and a second keyboard that are operated in different directions. The sub-body has a large display screen on one side and a small display screen on the other side. The sub-body is pivotally coupled on one side of the main body, corresponding to a QWERTY keyboard through a biaxial hinge. The sub-body may be selectively having a large display screen or a small display screen, folding over the main body, to cover the QWERTY keyboard, or to be lifted, to form an angle with the main body, to provide different operation modes for the mobile phone or PDA functions.

Abstract: The present invention provides an all hermaphroditic papaya variety and their seeds, pollans, tissue cultures, parts of plant and the method for producing them.

Abstract: The present invention provides an all hermaphroditic papaya variety and their seeds, pollans, tissue cultures, parts of plant and the method for producing them.

Abstract: A method for making foamed products includes the steps of: (a) foaming a foamable blank at an elevated temperature; (b) forming a plurality of blind holes in the blank which has been foamed, by using a mold having a plurality of protrusions, the protrusions pressing the blank to form the blind holes and to create densified depths respectively in the blind holes; (c) cross-cutting the blank along a plane which extends across the blind holes so that the blank is divided into a first foam sheet having a plurality of through holes and a second foam sheet having a plurality of blind bores with the densified depths; and (d) heating the second foam sheet to expand and to form the densified depths into projections protruding from the second foam sheet.

Abstract: A DC/DC converter includes an input filter, a half-bridge converter without PWM (Pulse Width Modulation) control function, a synchronous rectifier, an output capacitor, and a DC transformer. The DC transformer includes a magnetic core, a primary winding, a first secondary winding, and a second secondary winding. The magnetic core of the DC transformer includes a first leg, a second leg having a first air gap, and a third leg having a second air gap. The first secondary winding is wound on the first leg and the second leg, and induces a first inductance by the first air gap. The second secondary winding is wound on the first leg and the third leg, and induces a second inductance by the second air gap.

Abstract: A ventilator fan structure includes a disk-shaped seat, an annular plate, and a plurality of blades. Each of the blades is arranged in an oblique manner along a rotational direction of the fan structure and has a primary blade portion and a secondary blade portion with different widths, thereby enhancing the suction force of each of the blades for the oil and smoke. Thus, the fan structure enhances the air drainage rate of the ventilator and reduces noise during operation of the ventilator.

Abstract: A ventilator having an abnormal operation indication device includes a power supply circuit, a central processing unit, a fan motor, and a load sensing circuit. Thus, the load sensing circuit detects the abnormal operation signals through the sensor, so that the abnormal operation indication lamp on the panel of the ventilator lights, so as to indicate that the part of the ventilator is disposed at an abnormal operation state and needs to be inspected and amended, thereby facilitating inspection and maintenance of the parts of the ventilator.

Abstract: A ventilator includes a power supply circuit, a wireless transceiver module, a central processing unit, a telephone set, and a doorbell set. Thus, the ventilator can notify the user of presence of the incoming call during operation, so that the user can work in the kitchen without missing the incoming call from the telephone set. In addition, the ventilator can notify the user that the doorbell of the doorbell set rings during operation, so that the user can work in the kitchen without missing the doorbell rings from the doorbell set.

Abstract: A ventilator having a muting device includes a central processing unit, and a fan motor. The fan motor is connected to a start capacitor which is electrically connected to a temperature sensing circuit which is electrically connected to the central processing unit, so that the start capacitor can indicate a signal on a panel of the ventilator, so as to control a rotational speed of the fan motor. Thus, the operation state of each part of the ventilator is indicated on the panel of the ventilator clearly to facilitate inspection of the user, so that the user can control the rotational speed of the fan motor to a proper value, thereby reducing the noise during operation, so as to achieve a muting effect.

Abstract: The biochip apparatus device of the invention is capable of ensuring accuracy of direction and location of the sampling needle thereof regardless of whether a single or a plurality of sampling needles are being disposed. Each sampling needle thereof is provided with sampling circulation of biochemical materials for taking quantitative samples, wherein the biochemical materials, using capillarity in circulation paths as well as an XYZ triaxial servo robot, sample and array biochemical samples onto glass slides or membrane slides quantitatively and successively at a high speed for making protein, DNA or Oligo chips, thereby ensuring the sampling quantity of the biochips.

Abstract: The quantitative collecting and depositing device for very small fluids of the invention, through precise controls of an XYZ triaxial AC servo controller and quantitative depositing valves through a main PC base controller or a program logic controller (PLC), is able to simultaneously control movements of the XYZ triaxial AC servo controller 4 and the open-and-shut of the quantitative depositing valves. Therefore the invention may be applied in non-contact, high-speed and high-accuracy sampling and precise fluid dividing in biochips. In addition, a cleaning device and a drying device provided by the invention are capable of preventing congestions of the pipelines and cross-contaminations thereof, such that cross-contaminations are not incurred in biochips during sampling (such as protein and DNA) and precise fluid dividing (such as protein, DNA and enzymes).

Abstract: A ventilator fan structure includes a disk-shaped seat, an annular plate, and a plurality of blades. Each of the blades is arranged in an oblique manner along a rotational direction of the fan structure and has a primary blade portion and a secondary blade portion with different widths, thereby enhancing the suction force of each of the blades for the oil and smoke. Thus, the fan structure enhances the air drainage rate of the ventilator and reduces noise during operation of the ventilator.

Abstract: A ventilator having an abnormal operation indication device includes a power supply circuit, a central processing unit, a fan motor, and a load sensing circuit. Thus, the load sensing circuit detects the abnormal operation signals through the sensor, so that the abnormal operation indication lamp on the panel of the ventilator lights, so as to indicate that the part of the ventilator is disposed at an abnormal operation state and needs to be inspected and amended, thereby facilitating inspection and maintenance of the parts of the ventilator.

Abstract: A ventilator having a muting device includes a central processing unit, and a fan motor. The fan motor is connected to a start capacitor which is electrically connected to a temperature sensing circuit which is electrically connected to the central processing unit, so that the start capacitor can indicate a signal on a panel of the ventilator, so as to control a rotational speed of the fan motor. Thus, the operation state of each part of the ventilator is indicated on the panel of the ventilator clearly to facilitate inspection of the user, so that the user can control the rotational speed of the fan motor to a proper value, thereby reducing the noise during operation, so as to achieve a muting effect.

Abstract: A ventilator having an optimum air box includes an outer hood, an air box, and a fan motor. The air box is mounted in the outer hood and is provided with a receiving zone which is extended forward, so that the smoke suction port of the outer hood and the fan motor are displaced forward and are located above the range exactly, so that the oily smoke produced from the range is sucked into the smoke suction port of the outer hood entirely and completely, thereby greatly enhancing the ventilating effect.