Abstract: A foldable mobile telephone includes a first housing (10), a second housing (20), and a connecting unit (30). The connecting unit includes a first connecting block (304), a second connecting block (306), and a hinge (302). The first connecting block and the second connecting block are coupled together via the hinge. A flexible cable to establish electrical connection between the first and second housings is incorporated in the hinge. Two electrical connectors are associated with the first and second connecting blocks respectively. The electrical connectors are electrically connected with each other via the flexible cable. The connecting unit is movably connected with the first and second housings. The first housing is connected with the first connecting block. The second housing is connected with the second connecting block. The first housing is pivotable about the second housing via the hinge at either of two sides of the foldable mobile telephone.

Abstract: A battery cover assembly includes a battery cover (10), a moveable member (12), an elastic apparatus (13) and a housing (14). The battery cover defines a button hole (101), and a locking portion (104) is disposed in one side of the battery cover. The moveable member includes a main beam (121) and at least one arm (124). The main beam includes a button (122) received in the button hole. The moveable member is slidably attached to the battery cover. The elastic apparatus includes at least one concave portion (1321). The concave portion includes a clasp (1324) and defines a latching hole (1326). The locking portion engages in the latching hole. The concave portion resists the arm of the moveable member. The housing defines a latching hole (145). The clasp of the elastic apparatus detachably engages in the hole of the housing. This provides a user with convenient disassembling operation.

Abstract: A measuring system (100) includes a measuring instrument (10) and a processing device (20). The measuring instrument includes a base (12), a guide column (14), a sliding member (16), and a digital micrometer (18). The guide column is vertically attached to the base. The sliding member is moveably attached to the guide column. The digital micrometer is firmly fastened to the sliding member. The processing device is electronically connected with the digital micrometer. The processing device receives a measured value from the digital micrometer and diplays a testing result after processing the measured value.

Abstract: A flexible/adjustable fixing system (100) for fixing a workpiece (40) includes an information management module (10), a plurality of driving devices (20), and a positioning device (30). The information management module receives and processes the position information of the workpiece. The driving devices electronically couple with the information management module. The positioning device includes a platform (31) and a plurality of positioning pins (32). One end of the workpiece is positioned in a certain area of the platform. Each respective pin is attached to a corresponding driving device. When the driving device receives an order/signal from the information management module, the positioning pin is selectably driven relative to (e.g., toward, away from) the workpiece by the driving device.

Abstract: A laser engraving mechanism (100) for engraving a workpiece (16) includes an image receiver (12), an image processor (13), an engraving controller (14), and a laser emitting member (15). The image receiver screens the workpiece to form an image of the workpiece and transforms the image of the workpiece into electronic image signals. The image processor is connected to the image receiver. The image processor saves a group of datum coordinates, forms a group of engraving coordinates according to the electronic image signals, and compares the engraving coordinates with the datum coordinates. The engraving controller is connected to the image processor. The laser emitting member is connected to the engraving controller, and the engraving controller instructs the laser emitting member to engrave the workpiece based on a comparison of results between the engraving coordinates and the datum coordinates.

Abstract: A housing (10) used in portable electronic devices includes gripping portions (40) defined thereon, such gripping portions being bounded by grooving created in a surface of the housing. A method of manufacturing the housing is also provided, the method includes these steps: forming a housing; grinding the housing; polishing the housing; and forming the gripping portions on the housing.

Abstract: An assessment system (100) used to creating an assessment of workpieces includes a database module (40), a connecting module (20), and a server module (30). The database module stores computer aided design (CAD) drawings of the checked workpieces. The database module and the server module are connected to each other via the connecting module. The server module is connected to the database module and includes an inquiry module and a processor module. The inquiry module inquires the CAD drawings of each checked workpiece and acquires relational parameters of the checked workpieces from the CAD drawings. The processor module processes the parameters acquired by the inquiry module, and the server module creates an assessment according to the parameters and data processed by the processor module.

Abstract: An etchant includes ferric ions (Fe3+) and hydrochloric acid (HCl). The ferric ions (Fe3+) have a concentration in the approximate range of 30-70 grams/liter (g/l). The hydrochloric acid (HCl) has a concentration in the approximate range of 16-50 grams/liter (g/l). The resultant etchant is particularly suitable for etching aluminum and its alloys but may be useful for other etching situations.

Abstract: A rack apparatus (100) includes a frame (110) and a plurality of retaining members (160) mounted on the frame. Each retaining member includes a plurality of retaining elements (166). Each retaining element includes a bracket (1662) and at least two arms (1664), an arm being respectively attached to each corresponding end of the bracket. Each arm includes a retaining portion (1668) bounding at least one opening (1669) therein.

Abstract: A mechanical engraver (10) includes a rotating plate (11), a first cutting tool (12), and a second cutting tool (13). The rotating plate has a rotating axis. The first cutting tool is mounted on the rotating plate and includes a first knifepoint (1221). The second cutting tool is mounted on the rotating plate and includes a second knifepoint (1321). A distance between the first knifepoint and the rotating axis is longer than a distance between the second knifepoint and the rotating axis. A distance between the first knifepoint and a bottom of the rotating plate is shorter than a distance between the second knifepoint and the bottom of the rotating plate. The first cutting tool includes a straight first cutting edge (1222). The second cutting tool includes a second cutting edge (1322) and a third cutting edge (1323), forming, at the second knifepoint, a cutting angle ? less than 180°.

Abstract: A system (100) for managing electronic documents associated with respective products (i.e., product documentation) includes a database (40) and a server (30). The database selectively stores the electronic documents. The server is electronically connected to the database and includes a loading module (301) and a processing module (302). The loading module transmits selected electronic documents to the database. The processing module includes an inquiry module (3021) configured for locating/determining related documents in the database according to a keyword; a path-generating module (3022) configured for generating path links indicating locations of the located related documents; and a maintenance module (3023) for automatically deleting selectably chosen electronic documents in the database.

Abstract: An insert molding article (20) includes a plastic element (24) and an inserting element (22). The inserting element includes a main portion (222) and an inserting portion (224) formed on and extending from the main portion. The inserting portion is enclosed, encapsulated, and secured in the plastic element. By being molded in such a manner, the plastic element frictionally engages at least two sides of the inserting portion, thereby resulting in a mechanically stable connection between the plastic element and the inserting portion.

Abstract: A hinge assembly (100) for joining a cover section (110) to a body section (120) of a foldable electronic device includes a main shaft (1), a cam (2), a follower (3), a first elastic element (4), a control (5), a sleeve (6), a second elastic element (7) and a fixing element (8). The shaft has an outer thread (101) at one end and an engaging portion at an opposite end. The cam includes an end cam surface (212), and an inner thread (211). The follower includes a latching cam surface (312). The control has at least one projection (52) at one end thereof, and engages with the engaging portion. The sleeve is connected with the follower, and rotation of the sleeve is limited by the control. When the control is pushed, the hinge assembly fully opens the cover section from body section. This provides a user with convenient one-handed operation.

Abstract: An electrostatic shield (10) for use in a portable electronic device (A or B) includes a base (12), a conductive layer (14), and an electroplate layer (16). The conductive layer is formed on the base. The electroplate layer is formed on the conductive layer and defines an aperture (162) therethrough. A portion of the conductive layer is revealed/exposed through the electroplate layer via the aperture. A method for fabricating the electrostatic shield is also provided.

Abstract: A testing apparatus (200) for testing coplanarity of workpieces (50) having protuberant structures (53) includes a working plane (21) and a groove (23) defined on the working plane. The groove is configured to movably receive therein all protuberant structures of the workpieces. A testing method employing the testing apparatus to test coplanarity of workpieces having protuberant structures is also provided.

Abstract: A packing laminate (100) includes a main layer (10) and a resin film (20). The main layer is advantageously made of polystyrene. The resin film is usefully made of polyethylene. The resin film is formed on a surface of the main layer. Due to the excellent durability of the polyethylene, the packing laminate, overall, has excellent surface wear characteristics and impact resistance, and such a layer of polyethylene can prevent particles in the main layer from otherwise being scraped/abraded off therefrom.

Abstract: A housing assembly (100), used, e.g., in a mobile device (300), includes a housing body (10) and a display unit (20). The housing body a view opening (110). The display unit is received in the view opening and is configured for providing information and/or graphics. The housing body moldingly receives the view lens therein, via an injection molding process.

Abstract: A protective film (1) includes a substrate (10), an upper hardened layer (20), a lower hardened layer (22), a mirror-effect layer (30), and a DLC (Diamond-Like Carbon) film (40). The substrate is made of transparent plastic material, and has an upper surface (100) and a lower surface (102). The upper hardened layer is formed on the upper surface of the substrate, and the lower hardened layer is formed on the lower surface of the substrate. The mirror-effect layer is formed on a surface of the lower hardened layer. The DLC film is formed on a surface of the upper hardened layer. A method for making the protective film is also provided.

Abstract: An exemplary electrophoretic coating method and an electroplated shell (800) manufactured thereby is provided. The electrophoretic coating method includes the following steps. A first step (Step S1) is to mold a base shell (500). The base shell includes a base body (50), a shell body (60), and a connecting body (70). The shell body and the connecting body are molded with the base body. The connecting body connects with the shell body. A second step (Step S2) is to pretreat the shell body and the connecting body. Thus, conducting films are formed on the shell body and connecting body. A third step (Step S3) is to electrophoretically coat the preliminarily treated base shell, so as to form electroplated layers on the shell body. A fourth step (Step S4) is to remove the connecting body so as to form/yield the electroplated shell.

Abstract: A method for manufacturing a metallic shell (100) from a base shell made of metal is provided. The metallic shell includes an grippable portion (12). The method includes six steps, as follows. The base shell is formed (S1). The base shell is ground (S2) and burnished (S3) and then washed and cleaned (S4). The grippable portion of the metallic shell is engraved (S5) to yield a texture approximating a wood grain. Finally, the base shell is anodically treated (S6).