Abstract: A server enclosure includes a power input terminal to receive power signals, a number of connection elements, a number of lead terminals, and a number of power output terminals. Each connection element includes a connection portion and two fixing arms extending from opposite ends of the connection portion. The connection portion is engaged with the power input terminal to receive the power signals and output the power signals to the two fixing arms. Each lead terminal includes a first connection portion fixed to one fixing arm along an extending direction of the fixing arm to receive the power signals and a second connection portion to receive the power signals. Each power output terminal is connected to one of the second connection portions to receive the power signals.

Abstract: An exemplary over-voltage protection device used in an electronic device includes a housing capable of being grounded, a circuit board, a connecting member detachably attached to the circuit board and the housing to electrically connect the circuit board with the housing, and a protection member connected to the circuit board and circuitry of the electronic device. When an over-voltage is generated in the electronic device, the over-voltage is transmitted to the ground through the protection member, the circuit board, the connecting member, and the housing.

Abstract: An Internet Protocol (IP) camera management system and method determines a MAC address of an IP camera corresponding to a communication channel, searches an IP address of the IP camera through the determined MAC address of the IP camera, then establishes connection between the IP camera management system and the IP camera through the searched IP address. Furthermore, video image data are acquired from the IP camera through the communication channel and are displayed on a display interface.

Abstract: A power distribution apparatus includes an outlet board, a fuse board, and at least one connector. The outlet board is connected to the fuse board through the at least one connector.

Abstract: An electronic device includes a lightning protection circuit, a DC power unit, a housing, and a safety test switching device. The lightning protection circuit includes a circuit board, a fire wire, a ground wire, an AC power unit, and at least two protection elements. Both the fire wire and the ground wire are coupled to the DC power unit and the AC power unit. The housing includes a bottom board. The circuit board is disposed on the bottom board. The safety test switching device includes a conduction block formed on the circuit board and a conductive plug. The conduction block defines a threaded hole. The conductive plug is detachably plugged into the conductive block, when the conductive plug is detached from the conductive block, the lightning protection circuit and the ground are an open circuit.

Abstract: A power distribution unit includes a communication unit. The communication unit includes a communication port and a protection circuit. The communication unit includes a ground pin and a plurality of signal pins. The ground pin is connected to a digital ground of the power distribution unit. The signal pins are connected together to receive a voltage signal outputted by a hi-pot tester. The protection circuit includes a plurality of resistors connected between the signal pins and an analog ground of the power distribution unit.

Abstract: An electronic device with function expansion capabilities includes a first connector, a second connector, and an expansion circuit. The first connector matches the second connector. The expansion circuit is connected between the first connector and the second connector. The expansion circuit of one electronic device communicates with the expansion circuit of another electronic device, in response to the first connector of one electronic device engaged with the second connector of another electronic device, so that the two expansion circuits are integrated together.

Abstract: A system and method for adjusting image parameters of cameras first determines if there are disqualified cameras whose image parameters need to be adjusted according to an image quality of the captured image of each camera, outputs the captured image of each of qualified cameras whose image parameters do not need to be adjusted, determines if the image parameters of each of the disqualified cameras are adjusted through a network. The image parameters are updated by each of the disqualified cameras itself if the image parameters of the disqualified camera are not adjusted through the network, or the image parameters of each of the disqualified cameras are updated by the computer using a broadcast mode or a non-broadcast mode with user-defined values if the image parameters of the disqualified camera are adjusted through network.

Abstract: A switching circuit includes a first switching module, a second switching module, a first relay module, a second relay module, and a processing module. The first switching module includes a switch and a first transistor. The base of the first transistor functions as a first reset terminal. The second switching module includes a second transistor. An output terminal of the second relay module functions as a second reset terminal. Two input terminals of the processing module are connected to the first and second reset terminals respectively. The processing module resets a system with a first type or a second type according to voltages of the first and second reset terminals.

Abstract: A method for security monitoring of an electronic device includes determining whether a storage system of the electronic device is a secured storage system according to a signal of a first switch of the electronic device, determining whether an encryption key of the secured storage system is modifiable according to a detected signal of a second switch of the electronic device. Decrypting the secured storage system using a decryption key if the decryption key is the same as a preset decryption key in the secured storage system.

Abstract: A network camera includes a capturing unit, a video converter, an audio converter, a microprocessor, and a signal sending unit. The capturing unit captures an analog video signal and an analog audio signal. The video converter converts the analog video signal to a digital video signal; the audio converter converts the analog audio signal to a digital audio signal. The microprocessor superposes and compresses the digital video signal and the digital audio signal and outputs a first universal serial bus (USB) signal. The signal sending unit converts the first USB signal to a wireless USB signal.

Abstract: A method for managing data security of a storage system includes dividing a storage unit of the storage system into a data access block and a key block. An encryption key input is used to set the encryption key, the data access block is encrypted using the set encryption key, and the set encryption key is stored in the key block. The data access block may be decrypted using the decryption key under the condition that the decryption key corresponds to the set encryption key.

Abstract: A method for information management using a computer communicates with a plurality of electronic devices through a network. The method establishes a communication with each of the electronic devices, and installs an application sent from one of the electronic devices that is in communication with the computer. The method further scans all of the electronic devices in the network, and obtains information monitored by the electronic devices. Additionally, the method processes the obtained information, and displays the processed information on a screen of the computer through an interface of the application.

Abstract: A digital interface sensing apparatus includes a sensor, an analog detecting circuit, an analog to digital (A/D) converter, a signal cable, and an interface switch circuit. The sensor senses an external analog signal. The analog detecting circuit detects the sensed analog signal from the sensor. The A/D converter converts the sensed analog signal to a digital signal and receives a clock signal and a data demand signal. The A/D converter sends the digital signal in response to the A/D converter receiving the clock signal and the data demand signal. The interface switch circuit includes a multiplexer and a recommended standard 422 (RS-422) transceiver. The RS-422 transceiver is connected between the A/D converter and the multiplexer to switch RS-422 digital signal and transistor-transistor logic (TTL) signal. The multiplexer is connected between the A/D converter and the signal cable to selectively transfer RS-233 and RS-422 signals.

Abstract: A digital interface sensing apparatus includes a sensor, an analog detecting circuit, an analog to digital (A/D) converter, a signal cable, and an interface adjusting circuit. The sensor senses an external analog signal. The analog detecting circuit detects the sensed analog signal from the sensor. The A/D converter converts the sensed analog signal to a digital signal and receives a clock signal and a data demand signal. The A/D converter sends the digital signal in response to the A/D converter receiving the clock signal and the data demand signal. The interface adjusting circuit adjusts digital signals between the A/D converter and the signal cable to match signal transmission.

Abstract: A mobile phone battery includes a battery body and a protecting structure. The battery body includes positive and negative electric poles formed on a side wall of the battery body. The protecting structure is movably set on the battery body. The protecting structure includes a protecting piece. The protecting piece is operable to cover or expose one of the electric poles.

Abstract: A video monitoring system and a video monitoring method are provided. The video monitoring system includes at least one video camera, and a computer connected with the at least one video camera via a universal serial bus (USB) line. The at least one video camera obtains video streams, converts the video streams into USB-compatible signals, and transmits the USB-compatible signals to the computer via the USB line. The USB-compatible signals may be displayed on the computer as video images and synchronously played on a speaker of the computer as the audio.

Abstract: A switching circuit includes a first switching module, a second switching module, a first relay module, a second relay module, and a processing module. The first switching module includes a switch and a first transistor. The base of the first transistor functions as a first reset terminal. The second switching module includes a second transistor. An output terminal of the second relay module functions as a second reset terminal. Two input terminals of the processing module are connected to the first and second reset terminals respectively. The processing module resets a system with a first type or a second type according to voltages of the first and second reset terminals.

Abstract: A control system for data storage can prevent data loss while a connection between an electronic device and a storage device is disconnected. When the connection between the electronic device and the storage device is disconnected, data is stored in a backup device. When the connection between the electronic device and the storage device is reconnected, data stored in the backup device is transferred to the storage device to prevent data loss during the connection between the electronic device and the storage device was disconnected.

Abstract: A protecting system is to protect a camera. When the protecting system detects heat which reaches a predetermined value, the protecting system outputs a first signal. The protecting system further magnifies the first signal to output a second signal. A controlling circuit starts a buzzer when the controlling circuit receives the second signal.