Abstract: An electronic device includes a storage unit, a touch display unit and a processing unit. The storage unit stores a parameter table comprising a plurality of parameters, and each parameter includes a first group of coordinates to determine the first part of a page and a second group of coordinates to determine the second part of the page. When the user's touch crosses a predetermined area, the processing unit obtains the parameters in sequence, and produces a tear-off-page figure on the first part of a current page, to cover the second part with a second area of the following page to display a combined page. Then the processing unit may store or delete the tore-off page according to a user selection after the next page is displayed in full. A related method is also provided.

Abstract: A signal buffer amplifier with high linearity is provided. A circuit includes a first transistor having a first gate terminal, a first source terminal, and a first drain terminal. The circuit also includes a second transistor having a second gate terminal, a second source terminal, and a second drain terminal, the second drain terminal coupled to the first source terminal. The circuit further includes a first signal path coupled in between a signal input and the first gate terminal, a second signal path coupled in between the signal input and the second gate terminal, and a signal output coupled to the second source terminal. The first signal path includes a filter.

Abstract: An expansion card fastening device includes a bracket, a first fastener, and a second fastener. The bracket includes parallel arranged fences. The first fastener is assembled on one of the fences, and includes a connecting portion, a supporting portion, and an elastic element. The supporting portion and the elastic element are both disposed on an end of the connection portion. A first clasp protrudes from the supporting portion, and faces the same direction with a free end of the elastic element. A second fastener pivots to the supporting portion, and is resisted by the elastic element. A second clasp protrudes from the second fastener, and faces the same direction with the first clasp.

Abstract: A server system includes a chassis, a first cover, and a second cover. The chassis defines an opening. The first cover is secured to the chassis and defines a recess for receiving a disk drive. The second cover is secured to the chassis. The first cover is rotatable between a first position, where the first and second covers cover the opening, and a second position, where the first cover is rotated away from the second cover. The recess is located outside the chassis when the first cover is in the first position.

Abstract: An enclosure includes a main body, a front panel, a pivot member pivotably attaching the front panel to the main body, and a positioning member. The pivot member is substantially U-shaped, allowing the front panel a large angle of rotational movement relative to the main body. Positioning members are in place to facilitate the refitting of the front panel.

Abstract: A display module includes a bottom cover, a locking part, a pressing part, and a display panel. The bottom cover includes a bottom wall and two sidewalls, defines a first groove on the bottom wall and a second groove on one sidewall. The locking part is rotatably mounted on the bottom wall, and includes a first hook. The pressing part is slidably received in the first groove, and rotatably connected with the locking part. The display panel includes a sliding part and a display part rotatably connected with each other. The sliding part includes one peg slidably received in the second groove and a second hook engaging with the first hook. When the pressing part is slid in the first groove to rotate the locking part, the first hook disengages from the second hook, the display part is pulled out from the bottom cover and rotated to adjust viewing angle.

Abstract: An enclosure includes a main body, a bezel, and a pivot member pivotably attached the bezel to the main body. The pivot member is substantially U-shaped, thereby the bezel can be rotated relative to the main body in a wide range of angle.

Abstract: A mounting apparatus is provided to hold a number of data storage devices each including opposite sidewalls. The mounting apparatus includes a bracket, a number of fasteners, and a number of fixing members. The fasteners are fixed to the sidewalls of the data storage devices, respectively, and each fastener includes a head portion abutting the corresponding sidewall. Each fixing member includes a main body fixed to the bracket, and guiding rails fixed to opposite sides of the main body. Each guiding rail defines a sliding groove. A receiving space is formed between two adjacent fixing members to accommodate the data storage devices. Every sliding groove facing a receiving space is paired with an opposite sliding groove facing the same receiving. When the data storage devices are moved into the receiving spaces along the fixing members, respectively, the head portions are slid into the corresponding paired sliding grooves.

Abstract: An exemplary electronic device includes a casing, a first switch, a second switch and a switch control unit. The casing includes a side plate and a top plate detachably connected with a top end of the side plate. The first switch is turned on when the top plate is connected to the side plate and turned off when the top plate is detached from the side plate. The switch control unit includes a sliding member mounted at one side of the second switch. The sliding member includes a pressing plate. The sliding member is moveable relative to the side plate between a first state in which the pressing plate aligned with and pressing the second switch to turn on the second switch and a second state in which the pressing plate is staggered with the second switch to turn off the second switch.

Abstract: An exemplary electronic device includes a casing, a first switch, a second switch and a switch control unit. The second switch is connected in parallel with the first switch. The casing includes a side plate and a top plate detachably connected with a top end of the side plate. The first switch is turned on when the top plate mounted to the side plate and turned off when the top plate detached from the side plate. The switch control unit includes a sliding member mounted at the second switch. The sliding member includes a pressing plate and is moveable relative to the side plate between a first position in which the pressing plate aligned with and pressing the second switch to turn on the second switch and a second position in which the pressing plate is staggered with the second switch to turn off the second switch.

Abstract: An exemplary server includes a housing having a lateral side defining four openings, and a foot pad fixed in each of the openings. The foot pad includes a pivoting rod and a supporting member pivotally connected to the pivoting rod. The supporting member is operable to rotate in the opening, thereby the supporting member being totally received in the opening, or a part of the supporting member protruding outwardly from the opening for supporting the housing.

Abstract: A chassis includes a base board and a number of footpads mounted on a bottom of the base board. The base board defines a number of depressed portions corresponding to the footpads. Each footpad includes a fixing member mounted on an inner side of the base board and aligning with a corresponding depressed portion, a receiving member received in and rotatably mounted on a corresponding depressed portion of the base board, and a movable member received in and rotatably mounted on the receiving member. The movable member is rotatable in a first direction relative to the receiving member to extend out from the receiving member, and in a second direction opposite to the first direction relative to the receiving member to withdraw back into the receiving member.

Abstract: An electronic device includes a front plate, a top plate, and a switch control unit. The front plate defines a receiving hole therein. The switch control unit includes a mounting frame mounted on the front plate, a switch mounted in the mounting frame, a contact element located above the switch, and a control assembly. When the top plate completely covers the front plate, the top plate presses the contact element, and the contact element resiliently presses the switch to turn on the switch. When the top plate is pulled away from the front plate, the switch is turned off. The control assembly includes a first knob rotatably received in the mounting frame. The first knob includes a pressing portion. When the first knob is rotated from a first position to a second position, the pressing portion abuts against the switch to keep the switch on.

Abstract: A computer case includes two opposite boards, two brackets, two elastic elements, and two latching elements. Each board has a recessed portion with a resisting surface. The two brackets are rotatably connected to the two resisting surfaces respectively. Each bracket defines a pinhole away from the resisting surface. Each elastic element is positioned between a corresponding resisting surface and a corresponding bracket to supply elastic force between the corresponding resisting surface and the corresponding bracket. The two latching elements are slidably mounted on the two opposite boards. Each latching element includes a latching portion. When the brackets contact the resisting surfaces, the latching portions are received in the pinholes to latch the brackets.

Abstract: A fan assembly includes a fan, and a fan holder for receiving the fan. The fan holder includes a first mounting member and a second mounting member. A first side of the second mounting member is pivotably attached to the first mounting member. A second side of the second mounting member is locked to the first mounting member to receive the fan between the first and second mounting members.

Abstract: A mounting apparatus for mounting an expansion card to a rear panel of an electronic device includes a latching member, an operation member, and two connection members. The latching member includes four drive plates, a connection plate, and four latching portions. Each of the drive plates defines a rail therein. The operation member includes four pins, a handle, and a resilient portion. The resilient portion includes a latch block. The two connection members pass through the latching member and the rear panel. Each of the four pins is slidably received in the rail to rotate the latching member, each of the four latching portions is received in a first block plate of the expansion card, the latch block of the operation member is received in a latch of the rear panel, thereby mounting the expansion card to the rear panel.

Abstract: A mounting apparatus is provided to hold a number of data storage devices each including opposite sidewalls. The mounting apparatus includes a bracket, a number of fasteners, and a number of fixing members. The fasteners are fixed to the sidewalls of each data storage device, respectively, and each fastener includes a head portion abutting the corresponding sidewall. Each fixing member includes a main body fixed to the bracket, a number of cushioning boards fixed to the main body, and a number of guiding rails fixed each fixed to a corresponding one of the plurality of cushioning boards. Each guiding rail defines a sliding groove. When the data storage devices are moved along two adjacent fixing members, the head portions are slid in the corresponding sliding grooves.

Abstract: In one embodiment, a circuit for generating a reference voltage between a first output and a second output, has a first follower transistor that includes a first control node, a first follower node coupled to a first output, and a first supply node, and a second follower transistor that includes a second control node, a second follower node coupled to a second output and a second supply node. A first voltage drop circuit is coupled between a circuit supply node and the second supply node. The circuit is biased such that the voltage between the circuit supply node and the second supply node is greater than the voltage between the circuit supply node and the first supply node, and such that the voltage between the circuit supply node and the second control node is greater than the voltage between the circuit supply node and the first control node.

Abstract: An expansion card fastening device includes a bracket, a first fastener, and a second fastener. The bracket includes parallel arranged fences. The first fastener is assembled on one of the fences, and includes a connecting portion, a supporting portion, and an elastic element. The supporting portion and the elastic element are both disposed on an end of the connection portion. A first clasp protrudes from the supporting portion, and faces the same direction with a free end of the elastic element. A second fastener pivots to the supporting portion, and is resisted by the elastic element. A second clasp protrudes from the second fastener, and faces the same direction with the first clasp.

Abstract: A computer enclosure includes a shell body, and an expansion card retention assembly. The shell body includes a main chassis, and a side wall perpendicular to the main chassis. The side wall defines an elongated through hole extending along a first direction perpendicular to the main chassis. The expansion card retention assembly includes a first and second expansion frames fixed on the side wall. The first expansion frame includes a main board with a length in the first direction less than that of the through hole, and is configured for fixing a first expansion card. The second expansion frame includes an elongated main plate extending along the first direction, and a first support platform perpendicularly extending from an end of the main plate. The main plate and the first support platform are configured for matingly engaging with an expansion card bracket of a second expansion card.