Abstract: A hinge assembly includes an inner ring and an outer ring. The outer ring has an outer ring slot penetrating the sidewall of the outer ring and connecting both ends of the outer ring. The inner ring has an inner ring slot penetrating the sidewall of the inner ring and connecting both ends of the inner ring. The inner ring is coaxially connected to the outer ring. When the inner ring slot and the outer ring slot are aligned, an electrical connecting device can pass through the inner ring slot and outer ring slot to stay in the hinge assembly.

Abstract: A wire-to-board connector for coupling electrically a circuit board to a transmission wire unit, includes a plug receptacle, a plurality of signal contacts and a mating header. The plug receptacle is mounted on the circuit board. The mating header includes an insert body that is disposed at one end of the transmission wire unit and that has a plurality of resilient metal elements. When the insert body is plugged into the plug receptacle, the resilient metal elements respectively contact with the signal contacts of the plug receptacle, thereby establishing electrical communication with the circuit board and the transmission wire unit.

Abstract: An conductive contact (100) includes a base portion (32) extending along a right direction, a contacting portion (31) extending upwardly from the base portion (32), a tail (33) formed on a distal end thereof. Wherein the base portion (32) connects the tail (33) with a transitional portion (35) and the transitional portion (35) comprises at least one twist portion (352).

Abstract: A surface acoustic wave (SAW) bio-chip is designed with signal processing circuits. The chip can achieve precise measurements or detection quantitatively via the difference between the experiment-control mode, and followed by amplification and filtering of the signal processing circuits. By changing the designs of the substrate, quantitative detection toward different analyses can be achievable.

Abstract: An electrical connector in accordance with a preferred embodiment comprises an insulative housing (2), a plurality terminals (3) received in the housing (2), and the housing (2) comprises two pair of sidewalls and defines a layer of metal films (222) around outer surfaces of at least a pair of opposite sidewalls (22) thereof which can prevent disturbance of the electromagnetic waves produced by other components, hence a steady electrical connection between the electrical connector and printed circuit board can be achieved.

Abstract: An electrical connector assembly (10) includes an insulating housing (11), a plurality of contacts (12) received in the housing, a cover (13) attached to the housing, a pair of metal position posts (14, 15) with different size for positioning the housing and the cover. A groove (111) is formed on the housing along the direction of the diagonal of the housing, which is divided the housing into two regions. The groove is configured to relieve the stress imparted on the housing such that the housing are not bow when heated.

Abstract: A mobile phone includes a main body, a first magnetic device, a slide cover and a second magnetic device. The first magnetic device is disposed on the main body. The slide cover is slidably connected to the main body and can slide relative to the main body. The second magnetic device is disposed on the slide cover. When the slide cover moves to a distance relative to the main body, the first magnetic device attracts the second magnetic device so that the slide cover slides to a first positioning point.

Abstract: A position retention device includes a pivot member having a mounting axle, a cylindrical seat, a cylindrical housing and an annular member. A cylindrical seat is mounted co-axially on the mounting axle of the pivot member, and has pluralities of circumferentially formed and alternately disposed north and south pole sectors. A cylindrical housing is mounted co-axially and rotatably on the mounting axle of the pivot member. An annular member is disposed within the annular receiving chamber in the cylindrical housing for simultaneous rotation with the cylindrical housing. The annular member has pluralities of circumferentially formed and alternately disposed north and south pole sectors. Position of the cylindrical housing is retained stationarily with respect to the cylindrical seat by virtue of attraction between adjacent two of the north or south pole sectors of the cylindrical seat and the annular member.

Abstract: An electronic device having a keyboard fixed through a set of suckers and most suitably applied to the host body of an electronic product is provided. The electronic device includes a casing, a keyboard module and at least a sucker. The keyboard module has at least a key and the sucker is used for attaching the keyboard module to the casing. Furthermore, the sucker includes a first coupling part and a second coupling part. The first coupling part is used for sucking up the keyboard module and the second coupling part is used for fixing the sucker to the casing so that the electronic device and the host body can be assembled together smoothly.

Abstract: A hinge assembly includes an inner ring and an outer ring. The outer ring has an outer ring slot penetrating the sidewall of the outer ring and connecting both ends of the outer ring. The inner ring has an inner ring slot penetrating the sidewall of the inner ring and connecting both ends of the inner ring. The inner ring is coaxially connected to the outer ring. When the inner ring slot and the outer ring slot are aligned, an electrical connecting device can pass through the inner ring slot and outer ring slot to stay in the hinge assembly.

Abstract: A holder located on a casing using for loading a hard disk includes a bottom surface, at least a first elastic element and at least a second elastic element. The bottom surface is facing to a first surface of the casing. The first elastic element is located on the bottom surface having a first end connected to the bottom. At least a part of the first elastic element is configured through an opening and clipped on a second surface of the case. There is at least an opening configured through the first surface and the second surface. The second surface is in opposition to the first surface. A third end of the second elastic element is connected to the bottom surface, and at least a part of the second elastic element contacts against the first surface.

Abstract: A revolving lens module mounted to a case of a mobile communication device includes a revolving lens. The revolving lens has a rotating axis pivotally mounted to a hole of the case and an image-capturing unit for capturing images. By providing the pivotal pair of the hole and the rotating axis, the revolving lens can then have a 180 viewing range with respect to the case of the mobile communication device.

Abstract: The invention provides a wireless transmission device, including a first circuit board, a second circuit board and a third circuit board. The first circuit board at least disposes more than one electronic elements. The second circuit board has an antenna, and the antenna is electrically connected to the first circuit board. The second circuit board is arranged at a predetermined angle to the first circuit board to enhance the receiving ability. The third circuit board is connected to the first circuit board and disposes a USB connector electrically connected to the first circuit board so that the change in form of the device can be easily made.

Abstract: A device having a magnetically rotary cover mechanism is disclosed. Coupled magnets are pivotally mounted on one side of a cover cap of the device, and an attractive or repulsive force between the coupled magnets controls the cover cap to close an opening. The present invention uses the coupled magnets to replace the conventional elastic members for controlling the cover cap to close the opening, thereby simplifying and saving the process and time for assembling the device.

Abstract: A wire-to-board connector for coupling electrically a circuit board to a transmission wire unit, includes a plug receptacle, a plurality of signal contacts and a mating header. The plug receptacle is mounted on the circuit board. The mating header includes an insert body that is disposed at one end of the transmission wire unit and that has a plurality of resilient metal elements. When the insert body is plugged into the plug receptacle, the resilient metal elements respectively contact with the signal contacts of the plug receptacle, thereby establishing electrical communication with the circuit board and the transmission wire unit.

Abstract: A fluid analytical device for separating and analyzing a fluid including a first component and a second component. The specific weight of the first component exceeds that of the second component. A rotating base includes a receiving chamber, a first separation well, a second separation well, a first connection channel, a second connection channel, and a vent channel. The receiving chamber receives the fluid. The first connection channel connects the receiving chamber to the first separation well. The second connection channel connects the first separation well to the second separation well. The vent channel is connected to the receiving chamber. The distance from the first separation well to the receiving chamber exceeds that from the second separation well to the receiving chamber. When the rotating base rotates, the first and second components of the fluid flow into the first and second separation wells by centrifugal force, respectively.

Abstract: A holder located on a casing using for loading a hard disk includes a bottom surface, at least a first elastic element and at least a second elastic element. The bottom surface is facing to a first surface of the casing. The first elastic element is located on the bottom surface having a first end connected to the bottom. At least a part of the first elastic element is configured through an opening and clipped on a second surface of the case. There is at least an opening configured through the first surface and the second surface. The second surface is in opposition to the first surface. A third end of the second elastic element is connected to the bottom surface, and at least a part of the second elastic element contacts against the first surface.

Abstract: A magnetic lock device is installed on a first body and a second body. The first body is connected pivotally to the second body. The magnetic lock device comprises at least one first element, at least one second element and at least one control module. In this case, the first element is located on the first body. The second element is located on the second body. When the first body and the second body are closed, the second element is in a first position and the first element faces to the second element for providing a magnetic attraction between the first body and the second body. The control module is located on the second body and connects to the second element. When a force in a first direction moves the control module, the control module drives the second element to leave the first position.

Abstract: An apparatus for maintaining semiconductor is disclosed. The cleaning apparatus includes two parts of a maintaining apparatus and gas-absorbing apparatus The maintaining apparatus mainly comprises a container using for isolating poison gas outside and a inner vessel, both being shaped as a cylinder, having an absorption exit with hose extending. There are an entrance and an exit end for absorption exit of container as well. This absorption exit is formed as for receiving and passing toxic gas. The vessel is as like cylinder shape and which has a hole on the top, also a plurality of holes embodied on the vessel for gas exiting. A disk is provided for covering the vessel container, and also for isolating toxic gas and the natural atmosphere. A plurality of rollers is for providing both functions of loading and rotation of vessel. The gas-absorbing apparatus can provide a source for absorbing gas quickly as well.