Abstract:
A current leakage protection circuit includes a first input terminal, a second input terminal for receiving a power voltage and a current leakage detection terminal configured for detecting a current leakage from an electronic device. A control circuit of the current leakage protection circuit is configured for providing a control signal to control a first switch circuit to switch off a first connection between the first input terminal and a first output terminal and to control a second switch circuit to switch off a second connection between the second input terminal and a second output terminal when the current leakage detection terminal detects current leakage of the electronic device.
Abstract:
An audio player includes a storage unit storing music type modes and audio files; an input device provided for selecting an automatic switching mode of the audio player; a detection circuit sampling noise of the current environment and generating a detection signal according to the noise of the current environment; a processor performing the automatic switching mode by selecting one of the music type modes according to the detection signal and finding one or more of the audio files having identities corresponding to the selected music type mode; and an output device outputting data of the audio files having identities corresponding to the selected music type mode.
Abstract:
An exemplary electronic apparatus includes a portable electronic device and a stand mechanism for supporting the portable device. The portable electronic device includes a display panel and a digital camera. The display panel and the digital camera are respectively disposed at a viewing surface and a bottom surface at opposite sides thereof. When the stand mechanism is in use, the digital camera has a predetermined height above a bottom of the stand mechanism.
Abstract:
An overvoltage and overcurrent protection circuit includes a connection jack, an overvoltage protection switch connected to the connection jack, an overcurrent protection switch, a voltage reference module, an overvoltage and overcurrent detection module, a comparing module, and a current control module. The overcurrent protection switch is connected to the overvoltage protection switch in serials, and further connected to a load. The voltage reference module is to output a reference voltage. The overvoltage and overcurrent detection module is to detect the voltage of the load and the current of the path. The comparing module is to compare the voltage of the load with the reference voltage, when greater, turns off the overvoltage protection switch, when not greater, turns on the overvoltage protection switch. The current control module is to turn off the overcurrent protection switch if greater than the preset value, and turn on the overcurrent protection switch if not greater.
Abstract:
An electronic device with a function of searching images based on a facial feature is provided. The electronic device includes a capturing unit, a storage unit, an acquiring module, a searching module, and a folder establishing module. The capturing unit captures facial images. The storage unit stores a plurality of images. The acquiring module acquires facial features of the facial image captured by the capturing unit. The searching module searches for images that include the acquired facial feature from the plurality of images stored in the storage unit. The folder establishing module establishes a new folder and stores the searched images to the established new folder.
Abstract:
A current leakage protection circuit includes a first input terminal, a second input terminal for receiving a power voltage and a current leakage detection terminal configured for detecting a current leakage from an electronic device. A control circuit of the current leakage protection circuit is configured for providing a control signal to control a first switch circuit to switch off a first connection between the first input terminal and a first output terminal and to control a second switch circuit to switch off a second connection between the second input terminal and a second output terminal when the current leakage detection terminal detects current leakage of the electronic device.
Abstract:
A digital communication system comprising a host and a client, the host calls the client via two transmission lines. The host includes a processor, a first control unit, a second control unit, a high frequency transformer and an interface unit. The digital communication system utilizes the first control unit and the high frequency transformer to modulate outgoing signals. The digital communication system utilizes the second unit and the high frequency transformer to demodulate incoming signals.
Abstract:
An overvoltage and overcurrent protection circuit includes a connection jack, an overvoltage protection switch connected to the connection jack, an overcurrent protection switch, a voltage reference module, an overvoltage and overcurrent detection module, a comparing module, and a current control module. The overcurrent protection switch is connected to the overvoltage protection switch in serials, and further connected to a load. The voltage reference module is to output a reference voltage. The overvoltage and overcurrent detection module is to detect the voltage of the load and the current of the path. The comparing module is to compare the voltage of the load with the reference voltage, when greater, turns off the overvoltage protection switch, when not greater, turns on the overvoltage protection switch. The current control module is to turn off the overcurrent protection switch if greater than the preset value, and turn on the overcurrent protection switch if not greater.
Abstract:
An exemplary electronic apparatus includes a portable electronic device and a stand mechanism for supporting the portable device. The portable electronic device includes a display panel and a digital camera. The display panel and the digital camera are respectively disposed at a viewing surface and a bottom surface at opposite sides thereof.When the stand mechanism is in use, the digital camera has a predetermined height above a bottom of the stand mechanism.
Abstract:
A storage battery charge circuit for charging a battery is provided. The circuit includes a voltage input port, a converting circuit, and a charge circuit. The voltage input port is for being connected to a power source to receive a logic high level voltage. The converting circuit is connected to the voltage input port to convert the received logic high level voltage into a control signal including a logic high level voltage and a logic low level voltage alternately and the mark space ratio is not equal to one. The charge circuit is connected to the converting circuit to charge the battery or discharge the battery according to the control signal.