Abstract: A charging path switching circuit includes a first port, a second port, a path switch unit, and a conversion unit. The first port is connected to an external electronic device to obtain a first electrical signal. The second port is connected to an external power source to obtain a second electrical signal. The conversion unit is connected the path switch unit and converts the first electrical signal or the second electrical signal to a predetermined voltage. The path switch unit is connected to the first port and the second port. The path switch unit selects to connect to the first port or the second port, to obtain the first electrical signal or the second electrical signal according to the connection of the first and the second port. The path switch unit preferentially selects to obtain the second electrical signal from the second port.

Abstract: An image processing method for obtaining a panoramic image includes obtaining a first image and a second image by a camera unit, and obtaining location information between the viewpoints of the first image and the second image by a gyro. First features of the first image and second features of the second image are obtained according to a feature-capturing algorithm when pixel brightness differences exceed a threshold. Predicted features in the second image are obtained by the location information, and predicted features that exceed a predetermined distance from the second features are discarded. A panorama image is obtained by combining the first image and the second image according to the first features and the selected second features.

Abstract: An antenna device includes a first antenna, a second antenna, a main short portion and a grounding portion. The first antenna and the second antenna are disposed in a PCB to radiate signals. The main short portion is disposed between the first antenna and the second antenna. The main short portion is further electrically coupled to the grounding portion. The main short portion adjusts current between the first antenna and the second antenna. Thus, the main short portion reduces interference between the first antenna and the second antenna. The first antenna includes a first feeding portion, a first short portion and a first coupling portion. A first end of the first feeding portion is suspended in the air. The first coupling portion is disposed in a first storage space. The first coupling portion is electrically insulated from the first short portion and the grounding portion.

Abstract: An installation assembly for a photovoltaic module comprises a base plate, a pressing block, a elastic member, and a connecting member. The base plate comprises a connecting portion. The pressing block comprises a pressing portion, a supporting portion, and a sliding portion. The sliding portion is movably connected to the base plate. The elastic member is located between the connecting portion and the supporting portion. The connecting member sequentially inserted into the pressing block, the elastic member, and the base plate. The pressing block, the elastic member, and the base plate are positioned between two ends of the connecting member.

Abstract: A rotating unit for controlling an antenna to rotate includes an electromagnetic element and a rotating circuit. The rotating circuit is electrically coupled with the electromagnetic element. The rotating circuit controls the electromagnetic element to generate a magnetic force for controlling a rotation of the antenna.

Abstract: A filter is disposed on a base board. The filter includes a first portion, a second portion, a ground portion, a first coupling portion and a second coupling portion. The first portion is disposed on a first layer in the base board to input signals. The second portion is disposed on the first layer to output signals. The ground portion is disposed on a second layer in the base board. The first coupling portion is disposed on the first layer. The first coupling portion is electrically coupled to the first portion and the second portion. The first coupling portion is electrically coupled to the ground portion through via holes. The second coupling portion is disposed on the first layer. The second coupling portion is electrically coupled to the first portion and the second portion. The second coupling portion is electrically coupled to the ground portion through the via holes.

Abstract: A method for displaying remaining battery capacity of an electronic device includes calculating remaining capacity of the battery for a number of predetermined times during a preset interval when a first difference value is greater than a predetermined value. The first difference value is between a first remaining capacity and a second remaining capacity. The first remaining capacity of the electronic device is recorded before turning off the electronic device, and the second remaining capacity of the electronic device after turning on the electronic device. The latest calculated remaining capacity during the preset interval is displayed on the display device when a second difference between each calculated remaining capacity and the first remaining capacity is greater than the predetermined value.

Abstract: An encryption method includes: converting a section of express information into a binary sequence, grouping the binary sequence into a plurality of group data, and aligning each group data into an information matrix; converting the information matrix into a corresponding a basic group information matrix; randomly choosing a reference DNA sequence from a gene library, and aligning the reference DNA sequence into a basic group transition matrix, using the basic group transition matrix to convert the basic group information matrix into an encrypted information matrix, and exploding the encrypted information matrix to obtain a basic group information sequence; generating a primer for the basic group information sequence, and adding the primer before and behind the primer generator to obtain a completed DNA sequence; and synthesizing a DNA matter based on the completed DNA sequence.

Abstract: A voltage level translation circuit includes a first energy storage unit, a second energy storage unit, a first voltage level translation unit, and a second voltage level translation unit. The first voltage level translation unit is configured to translate a first communication interface transmitting pin voltage signal to realize a first communication between a first communication interface transmitting pin and a second communication interface receiving pin. The second voltage level translation unit is configured to translate a second communication interface transmitting pin voltage signal to realize a second communication between a second communication interface transmitting pin and a first communication interface receiving pin. A multiple interface communication system is also provided.

Abstract: A connection method for a mobile device to access the Internet through wireless Local Area Network (WLAN) established by a wireless access point (WAP) includes receiving a connection request from a mobile device. Login information and interface is sent to the mobile device by WAP, the mobile device can generate and broadcast dual tone multi frequency information including its own MAC address through loudspeaker. A distance between the mobile device and the WAP being close, the information of mobile device through DTMF is heard and received and MAC address is extracted. If the extracted MAC address matches the MAC address recorded in an access control list of the WAP, the mobile device is permitted to access the internet through the established WLAN.

Abstract: A method for adjusting display parameters in a display device detects a change (second intensity value) in ambient light levels from a first intensity value of ambient light and corresponding first set of display parameters applied to the display device. Second set of display parameters are calculated according to the first intensity value and the second intensity value as well as the first set of display parameters. The display parameters of the display device are adjusted from the first set of display parameters to the second set of display parameters to take account of the change represented by the second intensity value.

Abstract: An antenna device includes a first antenna and a second antenna. The first antenna and the second antenna are disposed in a PCB to radiate signals. The first antenna includes a first ground portion, a first short portion and a first feeding part. The first short portion and the first ground portion are electrically coupled together to form a first storage space. Further, THE first storage space has a first notch. The first feeding part is disposed in the first storage space. The first feeding part and the first short portion are not contacted through any metallic conductors. The first feeding part and the first ground portion are not contacted through any metallic conductors. A communication device is also provided.

Abstract: A housing includes a main body, a mounting structure assembled to the main body, and a cover. The mounting structure includes a receiving part defining a receiving space for receiving a battery, a groove communicating with the receiving space, a slot communicating with the groove, and a driving member rotatably mounted in the receiving part. The driving member includes an extending arm and a pressing portion. The extending arm faces the groove. The pressing portion passes through the slot to expose out of the receiving part. The cover is detachably attached to the main body to seal the receiving space. When the battery is received in the receiving portion, the extending arm supports the battery, when the pressing portion is pressed, the extending arm is driven to rotate with respect to the receiving part so as to make the battery lift from the receiving space.

Abstract: A non-electrical power operated sensor determining the position and movement of a first object in relation to a second object includes a valve on the first object. The valve has a housing and a cavity. A first sound device is mounted on one side of the housing and connected to the cavity. A second sound device is mounted on the other side of the housing and connected to the cavity. A piston connects the second object and the valve. The piston includes a push rod extending from one side of the plug body and the push rod being moved one way or another way causes one sound or another sound to be made. The disclosure also provides a monitoring system listening for the one sound or for the other sound, the system being able to instantly communicate with an electronic device of a user.

Abstract: A method for detecting a source of interference creates a sorting table according to distances between station devices and an access point (AP) device, and the created sorting table is sent to the AP device. The AP device determines upon a target device from the sorting table and controls the target device to acquire status and distance information between target device and AP device and send the information to the AP device. A value ? is computed according to the information sent by the target device and the calculated value ? is compared with a preset value k. The source of an interference, which affects the signal sent by the AP device, is calculated based on the comparison, and the AP device applies appropriate de-noising to the signal according to the determined interference source.

Abstract: A debugging assembly includes a modem including a control unit, a switch unit, and an RJ45 port. The control unit is coupled to the RJ45 port through the switch unit. The control unit is configured to detect a network connection status of the modem and transmit a control signal to selectively couple the switch unit to pins of the RJ45 port to selectively receive a network signal or a debugging signal.

Abstract: A telescopic power plug includes a handle, a plug body and an inner sleeve. The handle is threadedly engaged with the plug body. The plug body with an irregular shape end is engaged with an irregular shape end of the inner sleeve. The irregular shape engagement makes the plug body movement produced only in the axial direction. The plug body is extended or retracted in the inner sleeve by rotating the handle. The handle operation force is uniform and stable.

Abstract: A data communication method is disclosed for reducing cross interference between mobile devices as clients served by networks and network devices which have overlapping coverage. A first network device includes a first client list and a first communication schedule and the first network device communicates with other overlapping network devices to obtain a second client list and a second communication schedule The first communication schedule is adjusted according to the obtained second client list and second communication schedule to avoid signal interference by interfering clients.

Abstract: A method of dynamic frequency selection includes receiving setting information of a WI-FI unit input by an input unit, controlling the WI-FI unit in a STA working mode to switch different channels to scan an available access point AP with dynamic frequency selection within one channel when receiving the setting information of setting the WI-FI unit to work in an AP working mode and the STA working mode simultaneously, controlling the WI-FI unit in the AP working mode to switch to the channel within which the WI-FI unit in the STA working mode scans the available access point AP when the WI-FI unit in the STA working mode scans the available access point AP, and controlling the WI-FI unit in the AP working mode to communicate with a terminal device via the switched access point AP.

Abstract: In an apparatus and method for measuring noise power of each antenna in a multiple input multiple output (MIMO) antenna system, the apparatus includes a shielding box for the MIMO antenna system, shielding against electromagnetic interference, and a network analyzer (NA). The NA further includes numbers of test module, control module, and display module. The NA obtains each calibration parameter, each port noise power, and each measured S parameter, and obtains actual S parameter of each measured quantity according to a first equation, and thus obtains assessment of the MIMO antenna system. The MIMO antenna system noise power measuring method and apparatus of the disclosure take advantage of multiple ports of the NA, and set reference planes in the shielding box and import measuring method to the NA to obtain precise MIMO antenna system noise power. The apparatus can measure each antenna of MIMO antenna system simultaneously and synchronously.