Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.

Abstract: A method for monitoring software testing applicable in an electronic device includes controlling a first communication device of the electronic device to communicate with a terminal device when the terminal device running a testing software is placed on the electronic device. A capturing device of the electronic device is controlled to capture a display screen of the terminal device to record a video of what appears on the screen as part of the software testing. The first communication device is controlled to acquire a test log of the terminal device when the test is completed; and the first communication device transmits the recorded video and the test log to a device to analyze the software testing.

Abstract: A method for monitoring software testing applicable in an electronic device includes controlling a first communication device of the electronic device to communicate with a terminal device when the terminal device running a testing software is placed on the electronic device. A capturing device of the electronic device is controlled to capture a display screen of the terminal device to record a video of what appears on the screen as part of the software testing. The first communication device is controlled to acquire a test log of the terminal device when the test is completed; and the first communication device transmits the recorded video and the test log to a device to analyze the software testing.

Abstract: An electromagnetic shield is for covering an electronic component on a printed circuit board. The electromagnetic shield includes a frame and a lid. The frame is welded onto the printed board and surrounds the electronic component. The frame defines a slot near the top of the frame. The lid passes through the slot and seals the top of the frame.

Abstract: A positioning device includes an antenna, a receiving module, a processing module and an output module. The receiving module receives positioning signals transmitted from positioning satellites and a position signal of another positioning device transmitted from a ground monitoring system using the antenna. The processing module determines a position of the positioning device according to the positioning signals, and calculates a distance between the positioning device and another positioning device according to the position signal of the position device and the position signal of the another positioning device. The output module outputs the distance. A method for measuring the distance between the positioning devices is also provided.

Abstract: A positioning device includes an antenna, a receiving module, a processing module and an output module. The receiving module receives positioning signals transmitted by positioning satellites and a position signal of another positioning device using the antenna. The processing module determines a position of the positioning device according to the positioning signals, and calculates a distance between the positioning device and another positioning device according to the position signal of the position device and the position signal of the other positioning device. The output module outputs the distance. A method for measuring the distance between the positioning devices is also provided.

Abstract: A pad for soldering a contact of a surface mounted component is provided herein. The pad includes a central portion and a plurality of separate extending portions extending from the central portion. All of the plurality of separate extending portions includes a free end and a connected end connected to the central portion. A width of the free end is larger than a width of the connected end. A circuit board and an electronic device are also provided.

Abstract: An electromagnetic shield is configured for blocking electromagnetic waves in a mobile communication device. The electromagnetic shield includes an organic glass layer and an indium tin oxide layer. The organic glass layer is configured for providing main body of the electromagnetic shield. The indium tin oxide layer is plated on the organic glass layer for blocking the electromagnetic waves.

Abstract: A method for determining a distance between positioning devices includes following steps. A ground monitoring system receiving positions of a first positioning device and a second positioning device. The ground monitoring system determining a distance between the first positioning device and the second positioning device according to the positions of the first positioning device and the second positioning device. The ground monitoring system transmitting said distance to at least one of the first positioning device and the second positioning device.

Abstract: An exemplary vehicle management system for arranging vehicle repair service includes a management center and a vehicle. The management center includes a center processor associated with a center transceiver and a center database. The vehicle includes a vehicle processor associated with a GPS receiver and a vehicle transceiver. The GPS receiver receives satellite signals to be processed by the vehicle processor to generate corresponding position data of the vehicle. When the vehicle is determined to need repair service, the vehicle processor signals the vehicle transceiver to transmit the position data to the center transceiver of the management center. The center processor selects a repair station for providing vehicle repair service based on a criterion including the position data of the vehicle and the position data of the repair stations.

Abstract: A positioning device includes an antenna, a receiving module, a processing module and an output module. The receiving module receives positioning signals transmitted from positioning satellites and a position signal of another positioning device transmitted from a ground monitoring system using the antenna. The processing module determines a position of the positioning device according to the positioning signals, and calculates a distance between the positioning device and another positioning device according to the position signal of the position device and the position signal of the another positioning device. The output module outputs the distance. A method for measuring the distance between the positioning devices is also provided.

Abstract: An electromagnetic shield is for covering an electronic component on a printed circuit board. The electromagnetic shield includes a frame and a lid. The frame is welded onto the printed board and surrounds the electronic component. The frame defines a slot near the top of the frame. The lid passes through the slot and seals the top of the frame.

Abstract: A positioning device includes an antenna, a receiving module, a processing module and an output module. The receiving module receives positioning signals transmitted by positioning satellites and a position signal of another positioning device using the antenna. The processing module determines a position of the positioning device according to the positioning signals, and calculates a distance between the positioning device and another positioning device according to the position signal of the position device and the position signal of the other positioning device. The output module outputs the distance. A method for measuring the distance between the positioning devices is also provided.

Abstract: An exemplary automobile servicing method includes: registering basic information of automobiles and service stations; receiving a self-check report, positional coordinates of one of the automobiles; analyzing the self-check report to generate diagnostic results of the automobile; selecting a desirable one of the service stations capable of performing a preventive maintenance or repair of the automobile according to the diagnostic results and the positional coordinates of the automobile; searching and transmitting prices of each item of the diagnostic results and positional coordinates of the desirable service station to the automobile, for one or more of the items being selected to generate a service order; receiving and transmitting the service order to the desirable service station, for informing the desirable service station to prepare for performing the preventive maintenance or repair of the automobile according to the service order.

Abstract: An electromagnetic shield is configured for blocking electromagnetic waves in a mobile communication device. The electromagnetic shield includes an organic glass layer and an indium tin oxide layer. The organic glass layer is configured for providing main body of the electromagnetic shield. The indium tin oxide layer is plated on the organic glass layer for blocking the electromagnetic waves.

Abstract: A display system includes an emitter and a converter. The emitter is used for emitting invisible light rays carrying to-be-displayed information. The converter is used for receiving the invisible light rays and converting the invisible light rays to be visible light rays, and emitting the visible light rays carrying the to-be-displayed information. The emitter includes an information source for generating display data from the to-be-displayed information, an encoder for encoding the display data to generate data packages, and an invisible light source for emitting the invisible light rays and modulating the data packages into the invisible light. An encoder and a converter are also disclosed.

Abstract: An image pickup module is provided. The image pickup module includes a lens, a circuit board, an image sensor, a hollow base, and a lens seat. The image sensor is coupled to the circuit board and includes a housing package portion with a side periphery. The hollow base is disposed on the image sensor. The hollow lens seat is used for housing the lens and is disposed on the hollow base. The hollow lens seat is positioned according to the side periphery of the housing package portion.

Abstract: A pad for soldering a contact of a surface mounted component is provided herein. The pad includes a central portion and a plurality of separate extending portions extending from the central portion. All of the plurality of separate extending portions includes a free end and a connected end connected to the central portion. A width of the free end is larger than a width of the connected end. A circuit board and an electronic device are also provided.