Abstract: A server apparatus includes a casing having a first engaging structure, a tray mechanism including a tray, a handle and an elastic member, and a server module disposed on the tray. The handle is pivoted to the tray. The elastic member connected to the tray and has an interfering structure. The interfering structure interferes with the handle to position the handle for making the handle not interfere with the first engaging structure when the tray is inserted into the casing along an insertion direction.

Abstract: The disclosure provides a projection device, an actuator device thereof, and a projection method adapted for the actuator device. The projection method includes disposing an optical element in a frame body, and disposing a driving assembly between a base and the frame body; controlling the driving assembly to drive the frame body by a signal so that the optical element reciprocally swings relative to the base based on a first, a second, and a third moving shaft. The signal includes a first driving signal corresponding to the first moving shaft, a second driving signal corresponding to the second moving shaft, and a third driving signal corresponding to the third moving shaft. The first and the second driving signal have a first frequency; the third driving signal has a second frequency different from the first frequency. The phase difference between the first and the second driving signal is not equal to zero.

Abstract: An actuator device, a projection device including the actuator device, and a projection method applicable to the actuator device, are provided. The actuator device includes a base, a frame, an optical element, and at least one driving assembly. The projection method includes the following steps. The frame is disposed in the base, the optical element is disposed in the frame, and the at least one driving assembly is disposed between the base and the frame. The at least one driving assembly is controlled to drive the frame through a first signal, so that the optical element swings reciprocally relative to the base based on a first swing angle, a second swing angle, and a third swing angle of a first actuating shaft.

Abstract: An actuator, a projection device, and a projection method are provided. The projection method includes the following. A first optical element is disposed in a first frame body. At least one first driving assembly is disposed between a first base and the first frame body. A second optical element is disposed in a second frame body. At least one second driving assembly is disposed between a second base and the second frame body. The first driving assembly is controlled by a first signal to drive the first frame body, such that the first optical element reciprocally swing relative to the first base based on a first actuating axis and a second actuating axis. The second driving assembly is controlled by a second signal to drive the second frame body, such that the second optical element reciprocally swing relative to the second base based on a third actuating axis.

Abstract: An actuator including a frame body, a base, a first drive assembly, a second drive assembly, and an optical element is provided. The frame body includes the first frame portion and the second frame portion. The base surrounds the frame body. The first drive assembly is disposed between the base and the first frame portion. The second drive assembly is disposed between the base and the second frame portion. When the actuator is set to a first mode, a phase difference between the first drive assembly and the second drive assembly is substantially 0 degrees, and the optical element exhibits a first actuation mode relative to the base. Alternatively, when the actuator is set to the second mode, the phase difference between the first drive assembly and the second drive assembly is substantially 90 degrees, and the optical element exhibits a second actuation mode relative to the base.

Abstract: An optical device including a holder and a light transmissive plate is provided. The holder includes a first frame and a second frame connected to each other, and the first frame is located inside the second frame. A light transmissive plate is disposed inside the first frame and has a surface. The first frame has at least one inner surface and includes at least one surface supporting part, and the surface supporting part extends along a direction from the inner surface of the first frame to the center of the first frame, and the surface of the light transmissive plate is at least partially supported by the surface supporting part of the first frame. The surface supporting part is non-continuously distributed along the inner surface of the first frame. The disclosure further provides a projector including the optical device.

Abstract: An optical element adjusting mechanism is provided, including a frame, a carrier, and an optical element. The frame includes a plurality of first positioning portions. The carrier includes a hollow body, a first axial portion connected to the hollow body, and a plurality of second positioning portions connected to the hollow body. The hollow body is connected to the frame through the first axial portion. The plurality of second positioning portions are disposed corresponding to the plurality of first positioning portions. The optical element is fixed on the hollow body. The plurality of second positioning portions are fixed to the plurality of first positioning portions through a plurality of adhesives. An optical element adjusting system and a projection device are also proposed. The optical element adjusting mechanism, the optical element adjusting system, and the projection device quickly, easily, and accurately adjust a rotation angle of the optical element.

Abstract: The invention provides an optical module and a projection apparatus. The optical module includes a base, a first frame, an optical element, and at least one first driving assembly. The first frame is disposed in the base and includes a first body and a pair of first shaft portions, the first shaft portion extending outward from the first body, and the first body including a pair of first inner folded edges. The optical element is disposed between the pair of first inner folded edges. The first driving assembly and the optical element abut against two opposite sides of one of the first inner folded edges, respectively, and the first driving assembly is configured to drive the first body to swing relative to the base by taking the first shaft portion as a rotating shaft.

Abstract: An optical device including a bearing structure and a light-transmitting plate body is provided. The bearing structure includes a first frame body and a second frame body connected to each other, and the first frame body is located in the second frame body. The first frame body has at least one first inner surface, and the at least one first inner surface has at least one limiting protruding portion protruding from the at least one first inner surface. The light-transmitting plate body is disposed in the first frame body and is fixed to the first frame body. The light-transmitting plate body has at least one first edge, and the at least one first edge of the light-transmitting plate body is positioned through the at least one limiting protruding portion.

Abstract: An illumination system configured to provide an illumination beam is provided and includes a light-source module and a first and a second wavelength conversion devices. The light-source module provides a first and a second excitation beams. The first wavelength conversion device is disposed on a path of the first excitation beam and has first regions and at least one first boundary disposed between every two adjacent first regions. The second wavelength conversion device is disposed on a path of the second excitation beam and has second regions and at least one second boundary disposed between every two adjacent second regions. The second regions correspond to the first regions. A time point when the first boundary gets into the path of the first excitation beam is different from a time point when the second boundary gets into the path of the second excitation beam. A projection apparatus is also provided.

Abstract: An optical module includes a frame body and an optical element. The frame body includes at least one fixing portion, at least one frame portion, at least one shaft portion, and at least one reinforcement structure. The frame portion is connected to the fixing portion through the shaft portion. The reinforcement structure is connected to the frame portion and forms at least one fracture. The position of the fracture corresponds to the at least one shaft portion. The optical element is disposed in the frame portion. In addition, a projection device having the optical module is also provided.

Abstract: A case is provided, including a shell, a fan frame, and a fan module. The shell is internally provided with a backplane and a motherboard, where the motherboard is connected to the backplane along a first axis, the backplane is connected with a plug connector, the plug connector includes a plug connector body and a plurality of connection terminals, and the connection terminals are located in the plug connector body. The fan frame bears the fan module, and the fan module includes a fan assembly and a matching connector. The matching connector is connected to the fan assembly, and the matching connector is connected to the plug connector along a second axis. The matching connector includes a matching connector body and a plurality of matching terminals, and the matching terminals are located in the matching connector body. The fan frame is fixed in the shell.

Abstract: An optical module includes a frame body and an optical element. The frame body includes at least one fixing portion, at least one frame portion and at least one shaft portion connected to the fixing portion and the frame portion. The frame portion includes at least one main body, a plurality of positioning structures and at least one reinforcement structure. A part of an inner side surface of the main body is bended toward a thickness direction of the frame body to form the positioning structures, and the reinforcement structure is connected to the main body and extends in the thickness direction. The frame portion oscillates relative to the fixing portion around the shaft portion. In the thickness direction, a sum of a height of the reinforcement structure and a thickness of the main body is greater than a thickness of the shaft portion.

Abstract: An electronic package includes an electronic component and a heat dissipation structure, wherein the heat dissipation structure has a plurality of bonding pillars, and a metal layer is formed on the bonding pillars, so as to stably dispose the heat dissipation structure on the electronic component via the bonding pillars and the metal layer.

Abstract: The present invention discloses a media playback apparatus having audio channel automatic selection mechanism that includes a communication circuit, a storage circuit and a processing circuit. The storage circuit stores computer executable commands The processing circuit executes the computer executable commands to execute a media playback method that includes the steps outlined below. An audio signal of a program corresponding to a channel is started to be received through the communication circuit. A detection module is operated to determine whether a supported audio channel mode of the audio signal is different from a previous supported audio channel mode. When the supported audio channel mode is different from the previous supported audio channel mode, a mode option is selected from at least one audio channel mode option supported by the audio channel mode according to a predetermined preference order. The audio signal is playback according to the selected mode option.

Abstract: A liquid cooling device includes a heat dissipation shell and a dual fin module. The heat dissipation shell includes a cooling cavity, and the dual fin module is fixed in the cooling cavity to separate the cooling cavity into an upper cooling space and a lower cooling space, so that a cooling fluid enters the cooling cavity and flows into the upper cooling space and the lower cooling space to cool a chip in the lower cooling space.

Abstract: An optical element adjusting mechanism is provided, including a frame, a carrier, and an optical element. The frame includes a plurality of first positioning portions. The carrier includes a hollow body, a first axial portion connected to the hollow body, and a plurality of second positioning portions connected to the hollow body. The hollow body is connected to the frame through the first axial portion. The plurality of second positioning portions are disposed corresponding to the plurality of first positioning portions. The optical element is fixed on the hollow body. The plurality of second positioning portions are fixed to the plurality of first positioning portions through a plurality of adhesives. An optical element adjusting system and a projection device are also proposed. The optical element adjusting mechanism, the optical element adjusting system, and the projection device quickly, easily, and accurately adjust a rotation angle of the optical element.

Abstract: A fluid cooling device includes a bottom plate, an adhesive layer and a spray cooling cover. The bottom plate includes a substrate and a chip, and the spray cooling cover is fixed on the bottom plate by an adhesive layer. In addition, the spray cooling cover includes a fluid inlet and a plurality of fluid outlets to utilize a working fluid to cool the chip directly.

Abstract: An actuator including a frame body, a base, a first drive assembly, a second drive assembly, and an optical element is provided. The frame body includes the first frame portion and the second frame portion. The base surrounds the frame body. The first drive assembly is disposed between the base and the first frame portion. The second drive assembly is disposed between the base and the second frame portion. When the actuator is set to a first mode, a phase difference between the first drive assembly and the second drive assembly is substantially 0 degrees, and the optical element exhibits a first actuation mode relative to the base. Alternatively, when the actuator is set to the second mode, the phase difference between the first drive assembly and the second drive assembly is substantially 90 degrees, and the optical element exhibits a second actuation mode relative to the base.

Abstract: A coolant distribution unit includes a casing, a control module, a power supply module, a heat exchange module, and a fluid driving module. The power supply module is electrically connected to the control module, the fluid driving module is electrically connected to the control module and the power supply module, and the fluid driving module is in fluid communication with the heat exchange module. The control module, power supply module, heat exchange module, and fluid driving module are all arranged in the casing. In addition, the control module controls the power supply module to output a corresponding electrical power to the fluid driving module according to an operation status of the fluid driving module.