Abstract: A testing system for testing a network apparatus has a plurality of network ports. The system includes a signal generating device for providing a test packet to the network apparatus; a network apparatus connecting device for connecting to the network apparatus; a switching device for switching between a plurality of router lines; and a controlling device for controlling a test procedure, by controlling selection and cycling of the router lines to perform a test on the network ports one by one and allowing the network ports to return the test packet by the test packet return instruction. Accordingly, the network connection status of the network ports of the network apparatus is determined according to the test packet. The test system allows a test to be conducted on the network ports of the network apparatus quickly and at low costs.

Abstract: A calibration method and device calibrate a signal to be calibrated and measured. The signal to be calibrated and measured is outputted by a linear measurement system in a test stage. The method includes inputting a default input signal to the linear measurement system to obtain a default measurement signal; determining a linear strength between the default measurement signal and the default input signal; obtaining a calibration formula according to linear retrogression to calibrate the signal to be calibrated and measured, thereby obtaining a calibrated value and effectuating precise linear measurement.

Abstract: A protective device is applicable to a casing provided with a first coupling portion and configured for use with an outdoor communication apparatus. The protective device includes a body and a shielding portion. The body is configured to shield the front of the casing and provided with a second coupling portion coupled to the first coupling portion. The shielding portion is laterally provided to the side of the body for shielding the casing sideways. Hence, the shielding portion of the protective device shields the casing from direct irradiation of sunlight, prevents the outdoor communication apparatus from being overheated, and protects the outdoor communication apparatus against rainwater and dirt. A casing configured for use with an outdoor communication apparatus and equipped with the protective device is further provided.

Abstract: A tension testing device for use in a tension test for evaluating the strength of bond between a body and a pin of an electronic device includes a base, a tensiometer, a hanger, and a clamp. The base includes a supporting member and a carrying member, wherein the tensiometer is carried by the carrying member and includes a pulling portion. The hanger is coupled to the pulling portion for underpinning the body and project the pin in the direction of the base. The clamp is disposed on the base, positioned beside the hanger, for clamping the pin. The tension testing device protects the electronic device against test-induced deformation, dispenses with an intricate step of the welding and unwelding of the pin and a test lead, precludes a tension test-induced component of force, manifests ease of use, ensures test stability, and enhances test efficiency and reliability.

Abstract: A status simulation testing method is for use in testing a portable device having at least one angular velocity sensor and includes positioning the portable device on an oblique plane; moving and flinging the portable device at an increasing velocity to enable the portable device to move at an acceleration and an angular velocity; generating a sensing value by the angular velocity sensor of the portable device; and determining whether a sensing operation of the angular velocity sensor of the portable device is functioning well according to the sensing value. Accordingly, the method not only simulates a usage status of the portable device, but also tests the sensor of the portable device quickly, consistently, and accurately. A status simulation testing system is further introduced.

Abstract: A casing of a webcam improves the hand feel of turning a lens ring. A base of the casing includes a sheath hole having a first connection portion, a first ring-shaped flange formed around an upper side of the lens ring, a second connection portion formed between upper and lower sides of the lens ring, and a second ring-shaped flange formed around the lens ring and abutted against an upper side of the sheath hole and a lower side of the first connection portion, and the first and second ring-shaped flanges of the lens ring are separated from the sheath hole by an interval. A flexible ring is clamped between the first and second connection portions and disposed between the first and second ring-shaped flanges, such that the casing can have a greater manufacturing tolerance to reduce manufacturing costs, and provide a better hand feel of turning the lens ring.

Abstract: A fixing frame and an assembled fixing device printing solder paste on a printed circuit board improve an assembly process, cut production costs, and save storage space. The fixing frame has a plurality of fixing portions and a motor unit. The fixing portions are connected to each other to define a hollowed-out planar region. The motor unit generates a plurality of pulling forces by means of mechanical transmission. The assembled fixing device includes a fixing frame and a stencil. The stencil has a solder paste printing region and a plurality of fixing regions. The edge of the solder paste printing region extends outward to define the fixing regions. The fixing regions are movably fixed to the fixing portions and bear the pulling forces. The solder paste printing region lies within the hollowed-out planar region. The directions of the pulling forces are coplanar with the solder paste printing region.

Abstract: A curvature examining jig for examining the curvature of a circuit board quickly and accurately includes a platform and a carrier. An examining region is defined on the platform so as for the circuit board to be disposed flatly within the examining region. A recess is disposed in the examining region and configured to receive a protrusion of the circuit board. The carrier is slidably coupled to the platform, configured to move along the margin of the circuit board, and provided with a plurality of plug gauges facing the platform closely and configured to move to the examining region along with the carrier. Accordingly, the curvature examining jig is convenient in holding a circuit board having a protrusion, quick and accurate in examining the curvature of the circuit board, and effective in enhancing the efficiency of production lines.

Abstract: A modular keyboard includes an upper casing, a lower casing corresponding to the upper casing, an electric conduction element and a circuit board. The upper casing includes a first side and a second side opposite to each other, and a plurality of press keys disposed on the first side. The lower casing is set for sealing the second side, and an enclosure space is formed between the upper casing and the lower casing. The electric conduction element is installed on the second side in the enclosure space, and the circuit board is installed between the electric conduction element and the lower casing. With a supersonic welding technique, the upper casing and the lower casing are engaged with each other to seal the enclosure space and isolate the electric conduction element in the enclosure space and the circuit board from the exterior.

Abstract: A network interface test device for testing a plurality of network interfaces of a network apparatus includes a control unit, a first port, a switch unit, and a plurality of second ports. The control unit generates a control signal required for programming a router line in the switch unit. The programmed router line provides a path for switching a signal between the first port and the second ports. A parallel or cross network test can be performed on a test packet signal of an external network test interface at gigabit Ethernet transmission speed for example, using the switching path. Hence, the network interface test device enables a network test to be performed on a plurality of network interfaces by a network test interface.

Abstract: A lithium cell simulating device includes a programmable power supplying module for generating multiple powers; a lithium cell status controlling module for generating multiple lithium cell statuses; a load setting module for simulating a lithium cell status; a device under test (DUT) status detecting module for detecting whether a device under test (DUT) is actuated; and a control unit for controlling a test procedure in its entirety. Accordingly, the lithium cell simulating device is suitable for use with DUTs of different power requirements and effective in simulating a charging/discharging status, a battery level status, and a battery temperature status under different conditions in the absence of a lithium cell and other complicated test apparatuses, so as to enable a great reduction of costs incurred in performing a test on a production line.

Abstract: A framework of wireless network access device, comprising a communication circuit board with a first electrical connecting portion, a wireless transmission circuit board with a second electrical connecting portion, and at least a signal transmission element connecting with the first and second connecting portions respectively, wherein the signal transmission element is provided for transmitting a signal between the communication circuit board and the wireless transmission circuit board, so as to solve drawbacks of the prior art.