Abstract: An apparatus is provided. The apparatus includes a wafer storage device having an inlet through which a gas flows into a wafer storage chamber of the wafer storage device. A first portion of the gas exits the wafer storage chamber of the wafer storage device through an outlet of the wafer storage device. A second portion of the gas exits the wafer storage chamber of the wafer storage device through one or more discontinuities of the wafer storage device to a space external to the wafer storage device. The apparatus includes an exhaust device arranged relative to the wafer storage device to conduct a measure of the second portion of the gas away from the space.

Abstract: A server chassis includes a housing and two support portions. A bottom plate of the housing includes a loading surface and a three-dimensional reinforcing pattern integrally formed on the loading surface for reinforcing the structural strength of the bottom plate. The support portions are respectively located on an outer surface of the sidewall of the housing. A coverage area of the three-dimensional reinforcing pattern is greater than 10% of the total area of the loading surface. The three-dimensional reinforcing pattern includes a plurality of texture patterns regularly reproduced on the loading surface toward a linear axial direction. The three-dimensional reinforcing pattern also includes a plurality of first arc portions and a plurality of second arc portions arranged in a staggered alignment.

Abstract: A server chassis includes a housing and two support portions. A bottom plate of the housing includes a loading surface and a three-dimensional reinforcing pattern integrally formed on the loading surface for reinforcing the structural strength of the bottom plate. The support portions are respectively located on an outer surface of the sidewall of the housing. A coverage area of the three-dimensional reinforcing pattern is greater than 10% of the total area of the loading surface. The three-dimensional reinforcing pattern includes a plurality of texture patterns regularly reproduced on the loading surface toward a linear axial direction. The three-dimensional reinforcing pattern also includes a plurality of first arc portions and a plurality of second arc portions arranged in a staggered alignment.

Abstract: A press machine has a body, a lower pressing assembly, and an upper pressing assembly. The body has a first driving device, a second driving device, at least one first supporting rod, and at least one second supporting rod. The at least one first supporting rod is rotatably connected to the first driving device. The at least one second supporting rod is rotatably connected to the second driving device. The lower pressing assembly is movably mounted with the at least one first supporting rod of the body. The upper pressing assembly is movably mounted with the at least one second first supporting rod of the body, and is able to move toward the lower pressing assembly.

Abstract: A server chassis includes a housing and two support portions. A bottom plate of the housing includes a loading surface and a three-dimensional reinforcing pattern integrally formed on the loading surface for reinforcing the structural strength of the bottom plate. The support portions are respectively located on an outer surface of the sidewall of the housing. A coverage area of the three-dimensional reinforcing pattern is greater than 10% of the total area of the loading surface. The three-dimensional reinforcing pattern includes a plurality of texture patterns regularly reproduced on the loading surface toward a linear axial direction. A maximum height of each of the texture patterns is 0.5-0.8 mm.

Abstract: A press machine has a body, a lower pressing assembly, and an upper pressing assembly. The body has a first driving device, a second driving device, at least one first supporting rod, and at least one second supporting rod. The at least one first supporting rod is rotatably connected to the first driving device. The at least one second supporting rod is rotatably connected to the second driving device. The lower pressing assembly is movably mounted with the at least one first supporting rod of the body. The upper pressing assembly is movably mounted with the at least one second first supporting rod of the body, and is able to move toward the lower pressing assembly.

Abstract: A server chassis includes a housing and two support portions. A bottom plate of the housing includes a loading surface and a three-dimensional reinforcing pattern integrally formed on the loading surface for reinforcing the structural strength of the bottom plate. The support portions are respectively located on an outer surface of the sidewall of the housing. A coverage area of the three-dimensional reinforcing pattern is greater than 10% of the total area of the loading surface. The three-dimensional reinforcing pattern includes a plurality of texture patterns regularly reproduced on the loading surface toward a linear axial direction. A maximum height of each of the texture patterns is 0.5-0.8 mm.

Abstract: A dimming method is provided. The dimming method includes steps as follows: determining whether a duty ratio of a first pulse width modulation signal is larger than a threshold duty ratio; when the duty ratio of the first PWM signal is smaller than the threshold duty ratio, the first pulse width modulation signal is transformed to a second pulse width modulation signal by a frequency conversion and a phase shift according to a pulse information signal, when the duty ratio of the first pulse width modulation signal is larger than the threshold duty ratio, adjusting a predetermined dimming current according to the pulse information signal, wherein the threshold duty ratio is set according to a number of the channel and the predetermined dimming current.

Abstract: An outer shell member positioning device includes a mounting base member mounted at an outer shell member, a bracket pivotally coupled to the mounting base member and biasable between a first position where constraint bars of the bracket are engaged in a locating hole of an inner shell member to stop the inner shell member in place and a second position where the inner shell member is released from the constraint of the constraint bars and movable out of the outer shell member, a sliding hook member mounted in one end of the bracket and hookable to the mounting base member to secure the bracket in the first position, and a locking device mounted in the bracket and operable to lock the sliding hook member to the mounting base member.

Abstract: A backlight module includes a light-emitting unit, and a controller to receive a first control signal and generate a second control signal to control the light-emitting unit. The controller controls a frequency of the second control signal according to a duty cycle of the first control signal.

Abstract: A dimming method is provided. The dimming method includes steps as follows: determining whether a duty ratio of a first pulse width modulation signal is larger than a threshold duty ratio; when the duty ratio of the first PWM signal is smaller than the threshold duty ratio, the first pulse width modulation signal is transformed to a second pulse width modulation signal by a frequency conversion and a phase shift according to a pulse information signal, when the duty ratio of the first pulse width modulation signal is larger than the threshold duty ratio, adjusting a predetermined dimming current according to the pulse information signal, wherein the threshold duty ratio is set according to a number of the channel and the predetermined dimming current.

Abstract: A driving device, a light emitting diode (LED) driving device and a method thereof are provided. The driving device includes a driving unit and a plurality of selection units. The driving unit produces a driving signal to drive a light emitting diode. The selection units are coupled to the driving unit and respectively correspond to a current value. The driving unit selects one of the selection units according a first pulse width modulation (PWM) signal. The current value corresponding to the selected selection unit is taken as the current value of the driving signal. The driving unit generates a duty cycle of a second PWM signal according to the duty cycle of the first PWM signal to serve as a duty cycle of the driving signal. In this way, power consumption of the LED is reduced.

Abstract: An outer shell member positioning device includes a mounting base member mounted at an outer shell member, a bracket pivotally coupled to the mounting base member and biasable between a first position where constraint bars of the bracket are engaged in a locating hole of an inner shell member to stop the inner shell member in place and a second position where the inner shell member is released from the constraint of the constraint bars and movable out of the outer shell member, a sliding hook member mounted in one end of the bracket and hookable to the mounting base member to secure the bracket in the first position, and a locking device mounted in the bracket and operable to lock the sliding hook member to the mounting base member.

Abstract: A driving device, a light emitting diode (LED) driving device and a method thereof are provided. The driving device includes a driving unit and a plurality of selection units. The driving unit produces a driving signal to drive a light emitting diode. The selection units are coupled to the driving unit and respectively correspond to a current value. The driving unit selects one of the selection units according a first pulse width modulation (PWM) signal. The current value corresponding to the selected selection unit is taken as the current value of the driving signal. The driving unit generates a duty cycle of a second PWM signal according to the duty cycle of the first PWM signal to serve as a duty cycle of the driving signal. In this way, power consumption of the LED is reduced.

Abstract: A backlight module includes a light-emitting unit, and a controller to receive a first control signal and generate a second control signal to control the light-emitting unit. The controller controls a frequency of the second control signal according to a duty cycle of the first control signal.

Abstract: A steering wheel lock includes two shells, a male coupling member and a female coupling member respectively fixedly provided at the shells and coupled to each other for enabling the shells to be moved relatively to each other and closely attached to the top side of the steering wheel, and two locking units respectively disposed inside the shells and controlled to lock the shells, each locking unit including a lock body fixedly provided inside one shell, and a shackle inserted through two through holes on a peripheral stop flange of the corresponding shell into respective shackle holes of the respective lock body over the bottom side of the steering wheel and locked by spring latches of the respective lock body.