Abstract: A package structure includes a semiconductor device and an adhesive pattern. The adhesive pattern surrounds the semiconductor device, wherein an angle ? is formed between a sidewall of the semiconductor device and a sidewall of the adhesive pattern, 0°<?<90° wherein the adhesive layer has a first opening misaligned with a corner of the semiconductor device closest to the first opening.

Abstract: Surfactin is produced from Bacillus subtilis ssp. containing sfp gene (lipopeptide biosurfactants produced by fermentation). Production of surfactin at present is mainly by liquid fermentation, but the production costs are high due to difficulty in purification resulted from addition of the defoaming agent during the production process. Therefore, present invention conducts physical or chemical mutation on Bacillus subtilis subsp. isolated from Thailand seawater shrimp ponds and screens for the mutant strain of Bacillus subtilis subsp. based on sfp gene expression and then produces surfactin from the mutant strain by semi-solid state fermentation.

Abstract: A voltage control circuit includes a processing unit, a power control circuit, a first impedance circuit, a first switch, and a current source. The power control circuit is used for outputting a core voltage to the processing unit. The first switch and the first impedance circuit are connected in parallel between the processing unit and the power control circuit, and they feedback a feedback voltage to the power control circuit. The current source is used for providing or extracting an operating current via the first impedance circuit or the first switch. The first switch is turned on and the processing unit receives a first core voltage when the processing unit operates at a normal mode. The first switch is turned off and the processing unit receives a second core voltage when the processing unit operates at an overvoltage mode.

Abstract: A voltage regulator device includes at least one output unit, a current sensing unit, a control unit, at least one transistor driving unit and a pulse width modulation unit. The output unit outputs an output signal. The output unit includes a first transistor, a second transistor and an energy storage element. The second transistor is electronically connected to the first transistor and the energy storage element, respectively. The current sensing unit is electronically connected to a first end and a second end of the energy storage element. The control unit is electronically connected to the current sensing unit and the output unit, respectively. The transistor driving unit is disposed corresponding to the output unit and is electronically connected to the control unit and the output unit. The pulse width modulation unit is electronically connected to the control unit and the transistor driving unit, respectively.

Abstract: A power integration module includes a first input connector, a second input connector, an output connector, a switch unit, a determining unit. The first input connector and the second input connector are electrically connected to a first power supply and a second power supply of a power supply module. The output connector is electrically connected to an electrical load. The switch unit is coupled between the first input connector, the second input connector and the output connector. When the switch unit is turned on, the first input power supply and the second input power supply are integrated in parallel and outputted to the output connector to the electrical load. Moreover, an electronic device with a plurality of power integration modules is provided. Thus, the wrong connection is prevented and the condition that the power supplies of different electrical parameters are connected in parallel is avoided.

Abstract: Surfactin is produced from Bacillus subtilis ssp. containing sfp gene (lipopeptide biosurfactants produced by fermentation). Production of surfactin at present is mainly by liquid fermentation, but the production costs are high due to difficulty in purification resulted from addition of the defoaming agent during the production process. Therefore, present invention conducts physical or chemical mutation on Bacillus subtilis subsp. isolated from Thailand seawater shrimp ponds and screens for the mutant strain of Bacillus subtilis subsp. based on sfp gene expression and then produces surfactin from the mutant strain by semi-solid state fermentation.

Abstract: A method for preparation of a feed additive containing surfactin, which uses a high-yield mutant strain, Bacillus subtilis T, and soybeans as the substrate in semi-solid state fermentation and after drying and grinding of the fermented soybeans into soybean powder to give a feed additive containing surfactin. Each kilogram of the fermented soybean powder contains about 6-7 g of surfactin. Feeding grouper with the feed additive containing surfactin can promote growth rate, increase expression of immune genes (e.g. AMP, Mx and IFN-induced protein), and lower mortality rate of virus-infected fish, indicating the feed containing surfactin has the effects of growth promotion, immunity enhancement and provides resistance to pathogen infection.

Abstract: A voltage control circuit includes a processing unit, a power control circuit, a first impedance circuit, a first switch, and a current source. The power control circuit is used for outputting a core voltage to the processing unit. The first switch and the first impedance circuit are connected in parallel between the processing unit and the power control circuit, and they feedback a feedback voltage to the power control circuit. The current source is used for providing or extracting an operating current via the first impedance circuit or the first switch. The first switch is turned on and the processing unit receives a first core voltage when the processing unit operates at a normal mode. The first switch is turned off and the processing unit receives a second core voltage when the processing unit operates at an overvoltage mode.

Abstract: A voltage regulator device includes at least one output unit, a current sensing unit, a control unit, at least one transistor driving unit and a pulse width modulation unit. The output unit outputs an output signal. The output unit includes a first transistor, a second transistor and an energy storage element. The second transistor is electronically connected to the first transistor and the energy storage element, respectively. The current sensing unit is electronically connected to a first end and a second end of the energy storage element. The control unit is electronically connected to the current sensing unit and the output unit, respectively. The transistor driving unit is disposed corresponding to the output unit and is electronically connected to the control unit and the output unit. The pulse width modulation unit is electronically connected to the control unit and the transistor driving unit, respectively.

Abstract: A power integration module includes a first input connector, a second input connector, an output connector, a switch unit, a determining unit. The first input connector and the second input connector are electrically connected to a first power supply and a second power supply of a power supply module. The output connector is electrically connected to an electrical load. The switch unit is coupled between the first input connector, the second input connector and the output connector. When the switch unit is turned on, the first input power supply and the second input power supply are integrated in parallel and outputted to the output connector to the electrical load. Moreover, an electronic device with a plurality of power integration modules is provided. Thus, the wrong connection is prevented and the condition that the power supplies of different electrical parameters are connected in parallel is avoided.

Abstract: An oscillation reducing suspension device for a fan motor of a combustion-powered tool includes a holding web member mounted on a cylinder head and having a central opening to be sleeved on the motor, first and second retaining members disposed to hoop around the motor, and first and second damping members each disposed between the holding web member and a respective one of the first and second retaining members so as to counteract an axial vibration force, thereby minimizing the impact of the axial vibration force.

Abstract: A keypad assembly (20) including a key module (30) and a base unit (90) is described. The key module includes an operating surface (31), and the operating surface has a keypad (32) disposed thereon. The key module is rotatably and slidingly installed on the base unit. A portable electronic device (100) using the keypad assembly is also described.

Abstract: A loudspeaker structure for an electronic device, comprising: a housing defining a frame portion, the frame portion comprises a front sound chamber and aback sound chamber; a loudspeaker secured within the frame portion; a speaker cover made of rubber materials and secured within the frame portion to seal the front sound chamber; a speaker seat made of rubber materials and secured within the frame portion to seal the back sound chamber; and a circuit board secured above the frame portion. The front sound chamber and the back sound chamber have comfortable tightness and ensure the sounds transmitting. Thereby, high quality sound is available.

Abstract: An exemplary portable electronic device includes: a main body, a camera module, a protecting cover, and a fill-in light emitting module. The camera module has a camera, and the camera module is disposed in the main body. The camera is exposed and positioned against an outer surface of the main body to take pictures. The fill-in light emitting module is fixed on the protecting cover. The protecting cover is movably connected to the main body adjacent to the camera for covering the camera or exposing the camera.

Abstract: An oscillation reducing suspension device for a fan motor of a combustion-powered tool includes a holding web member mounted on a cylinder head and having a central opening to be sleeved on the motor, first and second retaining members disposed to hoop around the motor, and first and second damping members each disposed between the holding web member and a respective one of the first and second retaining members so as to counteract an axial vibration force, thereby minimizing the impact of the axial vibration force.

Abstract: An exemplary portable electronic device includes: a main body, a camera module, a protecting cover, and a fill-in light emitting module. The camera module has a camera, and the camera module is disposed in the main body. The camera is exposed and positioned against an outer surface of the main body to take pictures. The fill-in light emitting module is fixed on the protecting cover. The protecting cover is movably connected to the main body adjacent to the camera for covering the camera or exposing the camera.

Abstract: A loudspeaker structure for an electronic device, comprising: a housing defining a frame portion, the frame portion comprises a front sound chamber and aback sound chamber; a loudspeaker secured within the frame portion; a speaker cover made of rubber materials and secured within the frame portion to seal the front sound chamber; a speaker seat made of rubber materials and secured within the frame portion to seal the back sound chamber; and a circuit board secured above the frame portion. The front sound chamber and the back sound chamber have comfortable tightness and ensure the sounds transmitting. Thereby, high quality sound is available.

Abstract: A keypad assembly (20) including a key module (30) and a base unit (90) is described. The key module includes an operating surface (31), and the operating surface has a keypad (32) disposed thereon. The key module is rotatably and slidingly installed on the base unit. A portable electronic device (100) using the keypad assembly is also described.

Abstract: A nail-driving device has a housing, a trigger unit, a safety unit, a connecting unit and a magazine. The safety unit has first and second safety members in the housing. The connecting unit is connected pivotally to the second safety member, and has a retaining portion disposed movably between the first and second safety members. The magazine has a pusher for pushing nails therein. When the retaining portion is in a retaining position, a force is applicable to the first safety member to move the second safety member to pivot a trigger arm for a nail-driving operation when the trigger unit is actuated. When the nails thereof are exhausted, the pusher moves to a retention releasing position to pivot the connecting unit and remove the retaining portion from the retaining position to allow for relative movement of the first and second safety members to prevent the nail-driving operation.

Abstract: A nail-driving device includes a housing, a trigger unit, a safety unit, a connecting unit, and a magazine. The safety unit includes first and second safety members disposed movably in the housing. The connecting unit includes a retaining portion disposed movably between the first and second safety members and in a retaining position whereat a force is applicable to the first safety member to move the second safety member to pivot a trigger arm of the trigger unit so as to allow for a nail-driving operation when the trigger unit is actuated. The magazine includes a pusher for pushing and moving nails in the magazine. The pusher is movable to a retention releasing position whereat the retaining portion of the safety unit is removed from the retaining position to thereby allow for relative movement of the first and second safety members so that a nail-driving operation is prevented.