Abstract: An optical element disposed between a light homogenizing element and a converging lens is provided. The optical element includes at least two regions. The at least two regions include a first region and a second region. The first region and the second region respectively adjust focus positions of a first beam formed through the first region and a second beam formed through the second region to substantially the same position. The first beam and the second beam have different wavelengths, and the first region and the second region meet at least one of the following conditions: the thicknesses of the first region and the second region are different; and the refractive indices of the first region and the second region are different. A projection apparatus including the optical element is also provided.

Abstract: An illumination system and a projection device are provided. The illumination system includes first excitation light sources, an excitation light source module, a wavelength conversion element and a light combining element. The excitation light source module includes second excitation light sources adapted to emit second excitation light beams and third excitation light sources adapted to emit third excitation light beams. The excitation light source module has a first symmetric axis and a second symmetric axis perpendicular to each other, where the second excitation light sources and the third excitation light sources are respectively arranged symmetrically relative to the first symmetric axis, and the second excitation light sources and the third excitation light sources are respectively arranged symmetrically relative to the second symmetric axis. The projection device includes the illumination system, a light valve and a projection lens.

Abstract: An illumination system including an excitation light source, a wavelength conversion module, a light splitting module and a light homogenizing element is provided. The light splitting module has a transfer region and a light splitting region, an excitation beam incident to the wavelength conversion module is converted into a wavelength converted beam by a wavelength conversion region, and is reflected by the reflection region, and the excitation beam coming from the wavelength conversion module is split into a first and a second sub-excitation beams by the light splitting region, and the first sub-excitation beam and the second sub-excitation beam form an excitation combination beam. The light homogenizing element uniforms the excitation combination beam and the wavelength converted beam, where an angle of the excitation combination beam incident to the light homogenizing element is 0.25 times larger than an angle of the wavelength converted beam incident to the light homogenizing element.

Abstract: An illumination system including a laser light source module, a wavelength conversion module and a control module is provided. The laser light source module simultaneously emits a first and second laser light beams, where a peak wavelength of the first laser light beam is greater than that of the second laser light beam. The control module is connected to the laser light source module and the wavelength conversion module, respectively. In a first time interval, the control module controls an amount of luminous flux of the first laser light beam to be greater than an amount of luminous flux of the second laser light beam. In a second time interval, the control module controls the amount of luminous flux of the first laser light beam to be smaller than the amount of luminous flux of the second laser light beam. A projection apparatus and an illumination control method are provided.

Abstract: An illumination system and a projection device are provided. The illumination system includes first excitation light sources, an excitation light source module, a wavelength conversion element and a light combining element. The excitation light source module includes second excitation light sources adapted to emit second excitation light beams and third excitation light sources adapted to emit third excitation light beams. The excitation light source module has a first symmetric axis and a second symmetric axis perpendicular to each other, where the second excitation light sources and the third excitation light sources are respectively arranged symmetrically relative to the first symmetric axis, and the second excitation light sources and the third excitation light sources are respectively arranged symmetrically relative to the second symmetric axis. The projection device includes the illumination system, a light valve and a projection lens.

Abstract: A computer system management method including the following steps is provided. First, a target value and at least one input parameter are set. The target value and the at least one input parameter are related to at least one of a first data type and a second data type, and the first data type is related to the second data type. Then, a first algorithm is determined based on a third data type, and an input value of the third data type is calculated by using the first algorithm. The third data type is related to the first data type and the second data type. Afterward, a second algorithm is determined based on the target value, the at least one input parameter, and the input value, and an estimated value of the second data type is calculated by using the second algorithm. A computer system is also provided.

Abstract: An illumination system is configured to provide an illumination beam. The illumination system includes at least one light source, a composite unit and an actuator. The at least one light source is configured to provide at least one light beam. The composite unit includes a diffusion surface and an optical surface opposite to each other, wherein the composite unit is disposed on a transmission path of the at least one light beam and configured to enable the at least one light beam to pass through. The actuator is connected to the composite unit for driving the composite unit to move along at least one direction, and the at least one direction is perpendicular to a normal direction of a plane on which the composite unit is located. A projection apparatus including the illumination system is also provided.

Abstract: An illumination system including an excitation light source, a wavelength conversion module, a light splitting module and a light homogenizing element is provided. The light splitting module has a transfer region and a light splitting region, an excitation beam incident to the wavelength conversion module is converted into a wavelength converted beam by a wavelength conversion region, and is reflected by the reflection region, and the excitation beam coming from the wavelength conversion module is split into a first and a second sub-excitation beams by the light splitting region, and the first sub-excitation beam and the second sub-excitation beam form an excitation combination beam. The light homogenizing element uniforms the excitation combination beam and the wavelength converted beam, where an angle of the excitation combination beam incident to the light homogenizing element is 0.25 times larger than an angle of the wavelength converted beam incident to the light homogenizing element.

Abstract: A temperature control system, adapted to a central processing unit powered by a power supply module of an electronic device, is provided. The temperature control system includes a setting module, a first temperature detecting module, a second temperature detecting module, and a power adjusting module. The setting module is configured to set a target temperature of the CPU and a target temperature of the power supply module. The first temperature detecting module is configured to obtain a detected temperature of the CPU. The second temperature detecting module is electrically connected to the power supply module, to obtain a detected temperature of the power supply module.

Abstract: An illumination system including a first excitation light source, a wavelength conversion wheel, and a filter wheel is provided. The first excitation light source is configured to emit a first excitation beam. The wavelength conversion wheel includes a wavelength conversion region and a first optical region. The wavelength conversion region and the first optical region alternately enter a transmission path of the first excitation beam. The first excitation beam is converted into a conversion beam by the wavelength conversion region when the wavelength conversion region enters the transmission path of the first excitation beam. The filter wheel includes a first region, a second region, and a blocking region. An angle covered by the second region in a circumferential direction is smaller than an angle covered by the first optical region. A projection apparatus is also provided.

Abstract: A motherboard is provided. The motherboard includes a memory module, a processor and a memory slot. The memory module includes a first memory rank, a second memory rank, a plurality of first pins coupled to the first memory rank and a plurality of second pins coupled to the second memory rank. The processor includes a memory channel. The memory slot is coupled between the processor and the memory module, and is configured to transmit a first control signal from the memory channel to at least one of the plurality of first pins, or transmit a second control signal from the memory channel to at least one of the plurality of second pins. The first memory rank receives the first control signal through at least one of the plurality of first pins. The second memory rank receives the second control signal through at least one of the plurality of second pins.

Abstract: An adaptive card is provided. The adaptive card is adapted to a motherboard with a connecting slot. The adaptive card includes a main body, a first connector, a second connector, a plurality of first fixing holes, a plurality of second fixing holes and a port. The main body includes a first surface, a second surface and a side edge. The first connector is configured on the first surface. The second connector is configured on the second surface. A plurality of first fixing holes are formed on the first surface and arranged along a direction corresponding to an insertion direction of the first connector. A plurality of second fixing holes are formed on the second surface and arranged along a direction corresponding to an insertion direction of the second connector. A port is configured on the side edge and used to be connected to the connecting slot.

Abstract: An adaptive card is provided. The adaptive card is adapted to a motherboard with a connecting slot. The adaptive card includes a main body, a first connector, a second connector, a plurality of first fixing holes, a plurality of second fixing holes and a port. The main body includes a first surface, a second surface and a side edge. The first connector is configured on the first surface. The second connector is configured on the second surface. A plurality of first fixing holes are formed on the first surface and arranged along a direction corresponding to an insertion direction of the first connector. A plurality of second fixing holes are formed on the second surface and arranged along a direction corresponding to an insertion direction of the second connector. A port is configured on the side edge and used to be connected to the connecting slot.

Abstract: Disclosed is a power managing method applied to an electronic system comprising a power providing device. The power managing method comprises: (a) receiving a power reference parameter provided by a user; and (b) displaying a candidate disabling list, which lists at least one application program, according to the power reference parameter and an available power budget of the power providing device. At least one of the application programs listed in the candidate disabling list can be selected and disabled.

Abstract: A light guide is provided, including a guiding layer, a reflective layer and an intermediary layer. The guiding layer includes a first upper surface and a first lower surface, wherein a guiding layer micro-structure is formed on the first upper surface, and the guiding layer has a guiding layer refractive index. The reflective layer includes a second upper surface and a second lower surface, wherein a reflective layer micro-structure is formed on the second lower surface, and the reflective layer has a reflective layer refractive index. The intermediary layer is sandwiched between the guiding layer and the reflective layer, and contacts the first lower surface of the guiding layer and the second upper surface of the reflective layer, wherein the intermediary layer has an intermediary layer refractive index, and the intermediary layer refractive index is smaller than the guiding layer refractive index and the reflective layer refractive index.

Abstract: The present invention provides a system and a method for mobile group positioning, which are applied to a plurality of mobile devices of a group. The system comprises a central control unit, a plurality of mobile tracking units, and a plurality of mobile message units. The mobile tracking units and the mobile message units are disposed in the mobile devices. The mobile message units correspond to the mobile tracking units, respectively. The mobile message units add a user message to the corresponding positioning messages, respectively, and transmit to the central control unit. The central control unit transmits the positioning messages including the user message to the mobile message unit of one of the mobile devices in the group. Thereby, the mobile device need not consume extra network resources or power in transmitting the user messages, and hence achieving power-saving effect and saving network resources.