Abstract: The invention provides a communication system comprising a local device, a peer device and a server, wherein the server comprises a conversion module for converting a message to be transmitted by the local device into a message code and storing the correspondence between the message and the message code; the local device comprises a transmission module for transmitting the message code to the peer device; and the peer device comprises an acquiring module for acquiring from the server the message corresponding to the message code. The communication system provided by the invention improves the security of the instant communication by delivering a message by means of transmitting a message code and thus reducing the possibility of message leakage.

Abstract: A foldable table includes a first tabletop panel, a second tabletop panel, and a reinforcing frame which includes first through fourth reinforcing members mounted along longitudinal sides of the first and second tabletop panels respectively, a first transverse member transversely extended between outer end portions of the first and second reinforcing members at the first tabletop panel, and a second transverse member transversely extended between outer end portions of the third and fourth reinforcing members at the second tabletop panel. Two ends of the first transverse member are affixed to the first and second reinforcing members in a non-rotatably movable manner. Two ends of the second transverse member are affixed to the third and fourth reinforcing members in a non-rotatably movable manner. Therefore, the first and second transverse members enhance the rigidity of the reinforcement frame to support two transverse sides of the first and second tabletop panels respectively.

Abstract: An electronic system incorporates an image-sensing device and a processor coupled with the image-sensing device. The image-sensing device includes an image-sensing area configured to generate a picture. The picture includes a noisy region. The processor is configured to select a tracking region from the portion of the picture outside of the noisy region. The tracking region corresponds to an operative region of the image sensing area.

Abstract: One or more overhead cranes are provided. The overhead cranes include a first horizontal rail having a first end and a second end, a second horizontal rail having a third end and a fourth end, a first post connected to the first end of the first horizontal rail, a second post connected to the second end of the first horizontal rail, a third post connected to the third end of the second horizontal rail, a fourth post connected to the fourth end of the second horizontal rail and a cross member extending from the first horizontal rail to the second horizontal rail. The cross member includes a center span section, a first side arm and a second side arm. In some embodiments, the center span section is trapezoidialy shaped. In some embodiments, the overhead crane includes a vacuum system.

Abstract: Light-emitting semiconductor packages and related methods. The light-emitting semiconductor package includes a central barrier, a plurality of leads, a light-emitting device, a first encapsulant, a package body, and a second encapsulant. The light-emitting device is disposed in the interior space defined by the central barrier and is electrically connected to the leads surrounding the central barrier. The light-emitting device includes upper and lower light-emitting surfaces. The first encapsulant and the second encapsulant cover the upper and lower light-emitting surfaces, respectively. The package body encapsulates portions of the central barrier, portions of each of the leads, and the first encapsulant. The light-emitting semiconductor package can emit light from both the upper and lower sides thereof.

Abstract: A reference voltage generation circuit includes an auto-activation unit, an operational amplifier unit, and a tail current resistor. An input of the operational amplifier is grounded via the tail current resistor. The auto-activation unit is coupled to the operational amplifier so that the circuit operates at an operating point.

Abstract: The present disclosure provides a data recovery method comprising: A. receiving a data type of data which is selected by a user to be recovered; B. detecting a first capacity of data having the same data type on a server side, detecting a second residual capacity of a local storage of a mobile terminal, and comparing the first capacity with the second capacity, wherein if the first capacity is greater than the second capacity, the recovery process is interrupted, and if the first capacity is not greater than the second capacity, step C is performed; and C. downloading the data to be recovered from the server side to mobile terminal for recovery, and displaying a recovery result after the recovery is completed.

Abstract: A foldable table includes two runners and an injection mold table frame including a tabletop and a runner arrangement integrated with the tabletop. The tabletop includes a surrounding rim downwardly extended from a peripheral of the tabletop, wherein the runners are extended along two longitudinal sides of the tabletop to align with the surrounding rim. The runner arrangement includes a plurality of injection attachments integrally and spacedly extended from an inner side of the surrounding rim. A plurality of fasteners fasten at the injection attachments respectively through each of the runners to securely lock up the runners at the longitudinal sides of the tabletop respectively.

Abstract: There is provided a processing method of an object image for an optical touch system includes the steps of: capturing, using a first image sensor, a first image frame containing a first object image; capturing, using a second image sensor, a second image frame containing a second object image; generating a polygon image according to the first image frame and the second image frame; and determining a short axis of the polygon image and at least one object information accordingly.

Abstract: The present disclosure provides a data backup method, comprising: A. receiving a data type of data which is selected by a user to be backed up; B. calculating a first capacity of data having the same data type, detecting a residual user second capacity on a server side, and comparing the first capacity with the second capacity, wherein if the first capacity is greater than the second capacity, the backup process is interrupted, and if the first capacity is not greater than the second capacity, step C is performed; and C. encrypting and uploading the data to be backed up to a database on the server side for backup, and displaying a backup result after the backup is completed. With the present disclosure, important data can be directly backed up by the mobile terminal to the server side, thereby not only occupying less local storage space of the mobile terminal, but also better protecting the important data from being lost, which greatly meets users' requirements for security.

Abstract: A handwriting system includes a first light source module, a second light source module, an image sensing device and a processing circuit. The first light source module is configured to provide a first light to illuminate an object on a plane. The second light source module is configured to provide a second light to illuminate the object on the plane, wherein the second light source module is disposed under the first light source module. The image sensing device is disposed above the plane and configured to capture an image of the object reflecting the first light only or an image of the object reflecting the first and the second lights both. The processing circuit is electrically connected to the image sensing device and configured to receive the image captured by the image sensing device and generate control information according to light-spot information in the captured image.

Abstract: Electronic devices including a semiconductor device package, a substrate, and first and second solder joints. The semiconductor device package includes a die pad, leads and enhancement elements surrounding the die pad, a chip electrically connected to the leads, and a package body encapsulating the chip, portions of the leads, and portions of the enhancement elements, but leaving exposed at least a side surface of each enhancement element. Side surfaces of the enhancement elements and the package body are coplanar. The substrate includes first pads corresponding to the leads and second pads corresponding to the enhancement elements. The first solder joints are disposed between the first pads and the leads. The second solder joints are disposed between the second pads and the enhancement elements. The second solder joints contact side surfaces of the enhancement elements. The surface area of the second pads is greater than the surface area of the corresponding enhancement elements.

Abstract: A pointer positioning method for a handheld pointer device includes: capturing a first frame containing a reference point when the handheld pointer device updates a first tilt angle presently used to a second tilt angle; computing a first pointing coordinate according to the image position of the reference point in the first frame and the first tilt angle; computing a second pointing coordinate according to the image position of the reference point in the first frame and the second tilt angle; capturing a second frame containing the reference point to compute a third pointing coordinate according to the image position of the reference point in the second frame and the second tilt angle; generating a cursor parameter for controlling a display position of a cursor on a display apparatus according to the first pointing coordinate, the second pointing coordinate, and the third pointing coordinate.

Abstract: A display method that is used for a security device installed with a camera module and a display module includes A. when the security device captured a preset image by the camera module, the security device displaying an interface for entering a password by the display module, and B. when the password is successfully matched, the security device displaying a predetermined object by the display module. By hiding the interface for entering a password, the invention improves the security capability of the device and meets the requirement of information security at present.

Abstract: A foldable table includes a first tabletop panel, a second tabletop panel, and a reinforcing frame which includes first through fourth reinforcing members mounted along longitudinal sides of the first and second tabletop panels respectively, a first transverse member transversely extended between outer end portions of the first and second reinforcing members at the first tabletop panel, and a second transverse member transversely extended between outer end portions of the third and fourth reinforcing members at the second tabletop panel. Two ends of the first transverse member are affixed to the first and second reinforcing members in a non-rotatably movable manner. Two ends of the second transverse member are affixed to the third and fourth reinforcing members in a non-rotatably movable manner. Therefore, the first and second transverse members enhance the rigidity of the reinforcement frame to support two transverse sides of the first and second tabletop panels respectively.

Abstract: A foldable table includes a first tabletop panel, a second tabletop panel, and a reinforcing frame which includes first through fourth reinforcing members mounted along longitudinal sides of the first and second tabletop panels respectively, a first transverse member transversely extended between outer end portions of the first and second reinforcing members at the first tabletop panel, and a second transverse member transversely extended between outer end portions of the third and fourth reinforcing members at the second tabletop panel. Two ends of the first transverse member are affixed to the first and second reinforcing members in a non-rotatably movable manner. Two ends of the second transverse member are affixed to the third and fourth reinforcing members in a non-rotatably movable manner. Therefore, the first and second transverse members enhance the rigidity of the reinforcement frame to support two transverse sides of the first and second tabletop panels respectively.

Abstract: A pointer positioning method of a handheld pointer device, which includes capturing a first image frame containing a reference point to compute a first pointing coordinate according to the image position of the reference point in the first image frame; generating a cursor parameter of a cursor according to the first pointing coordinate; when the handheld pointer device enters a pointer-lock mode, records the first pointing coordinate and positions the cursor at the first pointing coordinate on a display apparatus; when the handheld pointer device exits the pointer-lock mode, captures a second image frame to compute a second pointing coordinate according to the image position of the reference point in the second image frame to obtain a displacement vector between the first and the second pointing coordinates; generating the cursor parameter and controlling the movement of the cursor according to the displacement vector and the first pointing coordinate.

Abstract: Provided is a display method for a security device installed with a photographing module and a display module. The method comprises: A. when the security device captures a specific image via the photographing module, the security device displays a password input interface via the display module; and B. when password matching is successful, the security device displays a predetermined object via the display module. The present invention improves security performance of a device by concealing the password input interface, and satisfies the current requirement for information security.

Abstract: A wafer alignment apparatus includes a light source, a light detection device, and a rotation device configured to rotate a wafer. The light source is configured to provide light directed to the wafer. The light detection device is configured to detect reflected light intensity from the wafer to locate at least one wafer alignment mark of wafer alignment marks separated by a plurality of angles. At least two of those angles are equal.