Abstract: An audio amplifier is provided. The audio amplifier includes an amplifier, a biasing circuit, and a time-delay circuit. The amplifier circuit is for amplifying audio signals. The biasing circuit is for providing a bias voltage to the amplifier circuit to actuate the amplifier circuit. The time-delay circuit is for receiving a pulse signal and delaying the bias voltage to avoid a sudden actuation of the amplifier circuit based on the pulse signal. The time-delay circuit comprises a first input for receiving the pulse signal, a first resistor coupled to the first input, a first output coupled to the biasing circuit, a first BJT whose base, emitter, collector are respectively coupled to the first resistor, ground, and the first output.

Abstract: An audio reproducing apparatus includes a power supply, an amplifier, a speaker, and a controller. The power supply is for supplying a voltage. The amplifier is for receiving the voltage and audio signals, amplifying the audio signals, and outputting amplified audio signals. The speaker is for reproducing sound after receiving the amplified audio signals. The controller is for receiving the voltage and generating a control signal to enable the amplifier. The controller includes a generator and a delay unit. The generator is for receiving the voltage and generating the control signal. The delay unit is for delaying the time of transferring the voltage from the power supply to the generator.

Abstract: A light shade is provided for partially blocking ambient light from a display panel. The light shade includes a shade portion and a position portion. The shade portion is configured for partially blocking the ambient light. The positioning portion is formed on a side of the shade portion. The shade portion includes at least one baffle. The positioning portion is configured for attaching the shade portion to the display panel. The positioning portion comprises a track and a plurality of blocks formed on an inner side and an outer side of the track. When the shade portion is attached to the display panel, the at least one baffle engages with at least one side of the display panel.

Abstract: An electronic device includes a remote control and a main body. The remote control has two contacting portions. The main body is capable of being controlled by the remote control. The main body has two conductive portions and two power supply terminals for supplying the electrical power to the two conductive portions. The contacting portions of the remote control detachably electrically connect with the conductive portions for charging the remote control.

Abstract: A method for managing a plurality of network storages on a computer device includes: receiving login commands in response to the users' operations; simultaneously transmitting a first access request to get read/write authority with respect to the first network storage, and a second access request to get read/write authority with respect to the second network storage in response to the login commands; receiving and combining first information from the first network storage and second information from the second network storage after the first and the second access requests being authorized by the network storages; displaying the combined information on a single graphical user interface.

Abstract: A method of sorting web pages includes the steps of acquiring a plurality of forbidden keywords, receiving information of a list of web pages provided by a search engine, separating the web pages into valid web pages and invalid web pages according to forbidden keywords, rearranging the information of the valid web pages and the invalid web pages, and outputting the rearranged information of the valid web pages and the invalid web pages. A related search terminal and a client terminal are also provided.

Abstract: An exemplary media player system includes a media player and an earphone. The earphone includes a first earpiece, a second earpiece, a primary volume control unit, and a secondary volume control unit. The first earpiece and the second earpiece are configured for receiving first channel audio signals and second channel audio signals respectively, and converting the audio signals to yield audible sounds. The primary volume control unit adjusts the volume levels of the first earpiece and the second earpiece simultaneously. The secondary volume control unit adjusts the volume of sounds outputted from one of the first earpiece and the second earpiece.

Abstract: A media player includes an input unit for receiving an audio select input for selecting audio files to be played by the media player, audio decode units for decoding the audio files into corresponding audio signals respectively, and audio output channels for simultaneously outputting the audio signals respectively.

Abstract: An exemplary system and method are provided for password entry using a touch screen. The method includes displaying a password input interface having a first field and a second field, receiving first inputs from the touch screen for entering a user account into the first field, displaying traces images converted from the first inputs corresponding to the user account, receiving second inputs from the touch screen for entering user account into the first field, and modifying the second inputs so as to disable displaying residual imprints or trace characters corresponding to the password.

Abstract: An exemplary method of saving images, the method comprising: selecting a set of characters displayed on the web page to be use as the name of the image to be saved; dragging and releasing the character set above the image. Saving the image with the character set being the name of the image file.

Abstract: A portable electronic device includes an airbag, a gas-injection apparatus connecting with the airbag, a housing, a liquid detecting apparatus and a control apparatus. The gas-injection apparatus connected with the airbag is used for injecting gas into the airbag so that the airbag is in an inflated state. The housing with a receiving space is used for accommodating the airbag in a deflated state, and the airbag is capable of expanding out of the housing when changing from the deflated state to the inflated state. The liquid detecting apparatus is configured for detecting when the portable electronic device contacts liquid and generating a detecting signal. The control apparatus is configured for controlling the gas-injection apparatus to inject gas into the airbag upon receiving the detecting signal.

Abstract: An exemplary multiple user system is provided. The multiple user system includes a display module, a storage module, and a control module. The display module displays data and graphics according to default display parameters. The storage module stores different user accounts information and different display parameters associated with each user account. The control module identifies the currently logged in user to the multiple user computer system, and retrieves display parameters with the identified user account from the storage module. The control module compares the default display parameters with the retrieved display parameters, and adjusts the default display parameters to the retrieved display parameters upon the determination that the default display parameters and the retrieved display parameters do not match.

Abstract: A display control method includes: generating an input signal according to a mouse input operation; detecting whether the input signal includes a scroll signal generated when a scroll wheel of the mouse is scrolled, and a press signal generated when a predetermined button of the mouse is pressed; and moving the contents of the document being displayed left or right when a detected result is the input signal including the scroll signal and the press signal.

Abstract: An air conditioning system providing cooled air to a vehicle includes a detection device, a control module, and an air adjusting module. The detection device determines whether another vehicle is in front of the vehicle within a predetermined distance, and sends a signal when the other vehicle is detected. The control module is coupled to the detection device and controls the air adjusting module to operate in a recirculation mode upon receiving the signal.

Abstract: A media player system includes a media player and an earphone. The media player is used for outputting audio signals to the earphone. The earphone includes an earpiece and a sensor. The sensor is used for detecting whether the earpiece is in the ear. The sensor outputs second predetermined signals to the media player when the earpiece is not in the ear, and the media player stops outputting the audio signals to the earpiece in response to the second predetermined signals.

Abstract: A laser control apparatus includes a detector and a switch module. The detector is for detecting states of a mechanism having a closed state in which the mechanism blocks a laser and an opened state in which the mechanism unblocks the laser. The switch module is for transmitting an emitting command to a laser unit to emit the laser. When the opened state is detected, the switch module stops transmitting the emitting command. An electronic device using the laser control apparatus is also disclosed.

Abstract: An exemplary electronic device is provided for reproducing video information and controlling screen saver operation during reproduction of the video information. The electronic device includes a content reproducing module, an input detecting module, a screen saver module, and a control module. When the control module judges that the content reproducing module is active, the screen saver module is disabled. When the control module judges that the content reproducing module is inactive and the recorded time duration has achieved the predetermined time duration, the screen saver is enabled.

Abstract: An exemplary charging control circuit includes a signal shaping unit, a first switch unit, and a second switch unit. The signal shaping unit receives a control signal, and is capable of reshaping the received control signal to have a time interval transited from a first state to a second state. The first switch unit receives the shaped control signal, and generates a first switching signal. The second switch unit receives the first switching signal, and is capable of being turned on based on the first switching signal for allowing electrical power to be outputted to a battery.

Abstract: An exemplary electronic device includes a controller, a first convertor, a second convertor, and a switching unit. The first convertor is configured for receiving a first voltage from an external power supply and converting the first voltage into a second voltage. The controller is coupled to the first convertor for generating a start signal when receiving the second voltage. The second convertor is connected to the controller for receiving the first voltage, converting the first voltage into a third voltage to power an operating unit of the electronic device, and converting the first voltage into a fourth voltage to power the controller when receiving the start signal. The switching unit is coupled to the controller and the first convertor for disabling the first convertor when the controller receives the fourth voltage. A related power supply unit is also provided.

Abstract: An audio and video (AV) apparatus includes a player module for playing audio and video files, generating audio and video signals, and an internal display and an internal speaker. The AV apparatus further includes: a first switch for generating first instructions; an output module for being externally connected to output the audio and video signals; and a control module connected to the first switch. The control module being configured for disabling the internal display and internal speaker at receiving the first instructions at a situation that the output module is externally connected to output the audio and video signals, and disabling the internal display while keeping the internal speaker enabled at receiving the first instruction at a situation that the output module is not externally connected. A method for controlling the audio and video apparatus is provided as well.