Abstract: Provided is a spring connector, including a base, a plurality of connector female ends and a grounding ring. The base has a surface. The plurality of connector female ends are disposed on the base and exposed on the surface. End portions exposed on the surface are recessed in the surface. The grounding ring is disposed on the base and exposed on the surface, and correspondingly surrounds at least one of the plurality of connector female ends. An end portion of the grounding ring exposed on the surface is flush with the surface or protrudes from the surface.

Abstract: A filter circuit for reducing electro magnetic interference (EMI) of a differential signal is disclosed. The circuit includes a first passive component set, a second passive component set, and a third passive component set. The first passive component set has a first input/output side and a second input/output side. The second passive component set is disposed between a positive signal end and a negative signal end of the first input/output side, and the third passive component set is disposed between a positive signal end and a negative signal end of the second input/output side. According to the circuit of the present invention, EMI of the differential signal can be reduced and signal-transmission-speed may not be reduced.

Abstract: A 1U rackmount computer includes a housing including a plurality of vents at a side, a power supply area including a power supply module, a fan area including at least one fan installed at a side of the plurality of vents for dissipating heat generated by a plurality of components out of the housing via the plurality of vents, and an external port installed on the side with the plurality of vents of the housing for connecting an external device.

Abstract: A heat dissipation fan used in a frame server, includes a rotation axis and a plurality of fan blades. The rotation axis is composed of a main portion and an extension portion, and the diameter of the main portion is greater than that of the extension portion. The fan blades extend outward from the rotation axis, and are utilized to drive the wind from one side of the rotation axis to the other side of the rotation axis in a direction perpendicular to the rotation axis. As such, greatly increase the air cutting area of the fan blades. In this manner, in the server frame studded with electronic devices and having very limited heat dissipation space, the heat dissipation efficiency of the server can be raised significantly, so that the electronic devices may function normally and efficiently.

Abstract: An electronic device capable of releasing ESD includes a housing with a seam, a component installed inside the housing, and a shielding unit installed between the seam and the component. The shielding unit is utilized to guide the charges into the housing through the seam to discharge elsewhere such that the component will not be destroyed by the ESD.

Abstract: A computer data security method, system and computer thereof, is mainly utilized to check and verify that if the computer is connected to the outside data storage device when the computer is powered-up, and initialize the operation system to activate the computer only after verifying that the power-on password of the computer is compatible with the check-up password in the outside data storage device.