Abstract: A color image processing system includes an image capture module, an image digitizing module, an optimizing ratio calculation module and an image processing module. The image capture module captures an original color image. The image digitizing module digitizes the original color image to obtain N pixels in ascending order according to value of RGB of the pixel. The optimizing ratio calculation module calculates an optimizing ratio H. The image processing module multiplies original value of RGB of the pixel before the ((N?N*H)/2)th pixel by 1/H to obtain new value of RGB of the pixel before the ((N?N*H)/2)th pixel and multiplies original value of RGB of the pixel after the ((N+N*H)/2?1)th pixel by H to obtain new value of RGB of the pixel after the ((N+N*H)/2?1)th pixel. A color image processing method is also provided.

Abstract: A housing containing its own record of any private and unwarranted disassembly includes a first shell, a second shell detachably connected with the second shell, a consumer disassembly indication structure. The consumer disassembly indication structure includes a circuit board, a plurality of switches, a computer chip, a plurality of conductive bodies, and a plurality of insulative bodies. The plurality of switches are fixed on the circuit board and each is electrically connected with the computer chip. The computer chip is configured to record electric connections between the conductive bodies and switches, the original electric connections being changed to other or no connections after any disassembly of the housing.

Abstract: A modem includes a temperature detecting module, a frequency detecting module, and a power offset calculating module. The temperature detecting module detects a real-time-work temperature of the modem. The frequency detecting module obtains a real-time-work frequency of the modem. The power offset calculating module calculates a power offset by inputting the real-time-work temperature and the real-time-work frequency into a pre-stored calculating model and adjusts a power of the modem according to the calculated power offset. A method of adjusting power of the modem is also provided.

Abstract: A method for setting a mode of a server includes setting the mode of the server to the negative mode when the sever boots, monitoring the network to detect a DHCP offer packet provided by another DHCP server in the network, setting the mode of the server to the positive mode when no DHCP offer packet is provided by the another DHCP server in the network and analyzing the DHCP offer packet to determine the mode of the another DHCP server when the DHCP offer packet is provided by the another DHCP server in the network. The modes of the server can be set automatically according to a state of a network in which the server works.

Abstract: Electrical equipment includes a power supply unit, a signal receiving unit, a rectifying and filtering unit, a switch unit, and a control. The rectifying and filtering unit rectifies and filters remote signals received by the signal receiving unit to generate first voltage signals. The switch unit connects the power supply unit to an external power in response to receiving the first voltage signals. The control identifies a current mode of the electrical equipment and determines whether the first voltage signal persists longer than a predetermined time or not. The control outputs a second voltage signals in response to the duration time of the first voltage signals being greater than the predetermined time. The switch unit further connects the power supply unit to the external power according to the first voltage signal and the second voltage signal to start the electrical equipment.

Abstract: A wireless router applying an antenna control method includes a number of antennas and communicates with a number of terminal devices via the antennas. The antenna control method includes detecting a current bandwidth Bcur of each terminal device communicating with the wireless router and determining a maximum bandwidth Bmax of each of the terminal devices, computing a weighted sum SUMB of the bandwidths of the terminal devices according to the detected current bandwidth Bcur and the maximum bandwidth Bmax of each terminal device, comparing the weighted sum SUMB of the bandwidths with a first preset value, and turning on or turning off at least one of the antennas according to the compared result. A wireless router is also provided.

Abstract: A signal line power receiving circuit includes a signal processing unit, a power unit, a signal interface, a first isolation unit and a first filter unit. The signal interface transmits and receives data signals and receives power signals all via a first signal line. The first isolation unit isolates the power signals in the first signal line. The first filter unit filters the data signals in the first signal line and supplies the power signals to the power unit. A signal line power supply circuit and a related signal line power supply system are also provided.

Abstract: An exemplary dust-proof fan includes a frame, a stator mounted in the frame and a rotor received in the frame. The rotor includes a bracket and multiple blades pivotably mounted to the bracket. The bracket includes an inner ring and an outer ring surrounding the inner ring. Each blade has an inner pole inserted into the inner ring and an outer pole inserted into the outer ring. The blades are spaced from each other to form multiple airflow passages therebetween when the dust-proof fan is in use. The blades are overlapped with each other to close the airflow passages when the dust-proof fan is not in use.

Abstract: Input device includes a printed circuit board, a first switch, a button and at least one second switch. The first switch is arranged at the printed circuit board, and is electrically connected to the printed circuit board. The at least one second switches are arranged at the printed circuit board surrounding the first switch. The guide body is arranged on the printed circuit board. The button is arranged on the guide body. The button is configured to move towards the circuit board to trigger the first switch. The button is also configured to rotate with respect to the circuit board to trigger the second switch.

Abstract: A telephone network access device switchable between a VOIP service and a PSTN service includes an RJ-11 port, a voice splitter, a first relay, a second relay, a SLIC chip, a CPU, and a ring detection unit. The ring detection unit outputs a first switch signal in response to detecting a ring signal of a PSTN communication. The second relay connects the telephone to the VOIP network in response to a power on event. The CPU controls the first relay and the second relay to connect the telephone to the PSTN network in response to the CPU receiving the first switch signal, and controls the second relay to reconnect the telephone to the VOIP network when the PSTN communication ends.

Abstract: An electronic device includes two cameras each with a light sensor. The electronic device uses the light sensor of one of the two cameras which is operational to detect an ambient luminance, and determines if the detected ambient luminance is less than a preset shading value. In response to the detected ambient luminance being less than the preset shading value, the electronic device interchanges the cameras to work. That is, the electronic device powers down the one of the two cameras which is operational and activating the other one of the two cameras.

Abstract: A product outer shell containing its own record of any private and unwarranted disassembly includes a first outer element, a second outer element detachably connected with the second outer element, a consumer disassembly inhibiting structure. The consumer disassembly inhibiting structure includes a circuit board, a plurality of special conductive bodies, a plurality of general conductive bodies, and a positioning plate. The special conductive bodies and general conductive bodies all have the same structures and each is secured on the circuit board to electrically connect to a chip located on the circuit board. A conductive piece is positioned on the positioning plate and is coupled with the special conductive bodies. The chip is configured to record electric connections between the special conductive bodies and the conductive piece, the original electric connections being changed to other or no connections after any disassembly of the product outer shell.

Abstract: A waterproof cap for electronic devices includes a cover plate and sealing base located on a surface of the cover plate for sealing a port of a housing of the electronic devices. A first lip and a second lip are located on an outer periphery of the sealing base and are spaced apart from each other. The first lip is located between the cover plate and the second lip. When the sealing base is inserted into the port of the housing of the electronic devices, the first lip is configured to tilt toward the cover plate, and the second lip is configured to tilt away from the cover plate.

Abstract: A touch display device includes a touch screen, a plurality of physical keys surrounding the touch screen, a touch sensor, and a touch control system. The touch screen senses a touch operation and displays a graphical user interface (GUI). The physical keys are arranged on each side of the touch screen, and the touch keys on one side can be enabled while the physical keys on all other sides are disabled. The touch sensor includes a plurality of touch sensing units which outputs a touch signal when one side is touched. The touch control system rotates the GUI through predetermined numbers of degrees to maintain uprightness for the user, enables the touch keys on the touched side, and disables the touch keys on all the other sides according to the touch signal.

Abstract: A built-up plug includes a first portion and a second portion. The first portion includes a first shell, a first metal foot and at least one fixing mass on the first shell. The second portion includes a second shell, a second metal foot and at least one fixing groove on the second shell. The first metal foot protrudes from a top portion of the first shell. The second metal foot protrudes from a top portion of the second shell. The fixing mass is placed in the fixing groove to combine the first portion and the second portion.

Abstract: A printed circuit board (PCB) antenna includes an antenna matching network, an antenna body, and a high frequency (HF) connector. The antenna matching network is used to electrically connect to a signal processing circuit. The antenna body is connected to the antenna matching network, the antenna body includes a bared area, the bared area is used to electrically connect to a conductive object and then to be grounded when the signal processing circuit is needed to be tested. The high frequency (HF) connector is electrically connected to the antenna body and is used to connect to a test device when the signal processing circuit is needed to be tested.

Abstract: A cable management device includes a base, a locking member, a winding member, a driving member, a pressing member, and a spring. The base comprises a bottom board and a guide member. The locking member includes a pedestal and a sleeve. The winding member includes a winding portion sandwiched between a first end and a second end. The winding member defines a first receiving hole for receiving the sleeve. A number of first sawteeth formed on the pedestal mesh with a number of second sawteeth formed on the first end. The driving member includes a plate and a second receiving hole passing through the plate for receiving the sleeve. A number of third sawteeth formed on the second end mesh with a number of fourth sawteeth formed on the plate. The pressing member is connected to the sleeve. The spring is compressed between the pressing member and the driving member.

Abstract: An electrical connector module, includes a first connecting part and a second connecting part. The first connecting part includes a main body and a pair of protrusion portions. The second connecting part includes a base seat, a receiving portion on the base body; and a pair of latching assemblies. The latching assembly includes a pair of first blocking members, a pair of second blocking members and a latching member. The latching member is located between the pair of first blocking members and the pair of second blocking members. The latching member includes a base body, a latching portion protruding from the base body, and a pair of cam portions on the base body, each cam portion is rotatably retained between one first blocking member and one second blocking member.

Abstract: An electronic device receives power through an earphone interface, and includes the earphone interface, a processing unit, an audio codec chip, a first switch and a second switch. The earphone interface includes a left channel pin, a right channel pin, a ground pin and a microphone pin. The first switch includes a first normally closed terminal, a first normally open terminal, a first common terminal and a first controlled terminal The second switch includes a second normally closed terminal, a second normally open terminal, a second common terminal and a second controlled terminal. The processing unit includes a detect pin and a switch control pin. An earphone power line to power the electronic device is also provided.

Abstract: An electronic device includes a case and a connector. The case includes a first sidewall, a second sidewall perpendicularly connected to the first sidewall, and a pair of latching protrusions. A through hole is defined in the first sidewall. The pair of latching protrusions is located on the two opposite sides of the through hole and perpendicular extended from the second sidewall. Each of the latching protrusions comprises a first side near to the through hole and a second side away from the through hole. The connector is inserted in the case. The connector includes a shaft portion and a flange radially extending from the shaft portion. The shaft portion is inserted into the through hole. Thus, securing the connector from falling.