Abstract: The present invention discloses a method of infrared spectrometric measurement of tunnel gas employing a gas measurement system including a gas collection unit, a gas analysis unit and a positioning indication unit for measuring the gas in the tunnel. The method performs sequential steps of installing the gas measurement system, starting the positioning indication unit for positioning one of the detection regions in the tunnel space, sampling the gas in the detection region through the gas collection unit, analyzing the gas by the gas analysis unit, generating a gas analysis result, and determining whether all of the detection regions are completed.

Abstract: The present invention discloses a method of infrared spectrometric measurement of tunnel gas employing a gas measurement system including a gas collection unit, a gas analysis unit and a positioning indication unit for measuring the gas in the tunnel. The method performs sequential steps of installing the gas measurement system, starting the positioning indication unit for positioning one of the detection regions in the tunnel space, sampling the gas in the detection region through the gas collection unit, analyzing the gas by the gas analysis unit, generating a gas analysis result, and determining whether all of the detection regions are completed.

Abstract: The configuration of an apparatus for automatically calibrating a clock of a non-crystal oscillator and method thereof are disclosed. The proposed method for automatically calibrating the clock of the non-crystal oscillator includes sending a NACK signal to a host and fine-tuning the clock of the non-crystal oscillator via a frequency calibration system for non-crystal oscillator when a USB device receives an in-token command from the host, and outputting a datum from the USB device to the host.

Abstract: An array substrate includes a substrate, a first transistor and an optical modulating layer. The first transistor is disposed on the substrate and includes a first semiconductor layer having a first channel region. A first gate is disposed on the first semiconductor layer. First source and first drain are electrically connected to the first semiconductor layer respectively. A first interval is located between the first source and the first drain and the first channel region corresponds to the first interval. A first insulating layer is disposed between the first semiconductor layer and the first gate. A second insulating layer covers the first source, the first drain and the first channel region. The optical modulating layer is disposed on the second insulating layer and has an optical density (OD) in greater than or equal to 0.1 and less than or equal to 6.

Abstract: The configuration of an apparatus for automatically calibrating a clock of a non-crystal oscillator and method thereof are disclosed. The proposed method for automatically calibrating the clock of the non-crystal oscillator includes sending a NACK signal to a host and fine-tuning the clock of the non-crystal oscillator via a frequency calibration system for non-crystal oscillator when a USB device receives an in-token command from the host, and outputting a datum from the USB device to the host.

Abstract: In a display apparatus having a display zone and a light-shielding zone, the light-shielding zone includes an electrically controlled material having a controllable light shielding rate and being controlled to change its light shielding rate in accordance with a control signal.

Abstract: Generate a series of digital data according to a pair of differential signals received from a low speed universal serial bus. Calibrate coarsely a frequency of an oscillator according to a width of an end-of-packet of the series of digital data. And calibrate finely the frequency of the oscillator according to a width of a SYNC pattern of the series of digital data.

Abstract: Generate a series of digital data according to a pair of differential signals received from a low speed universal serial bus. Calibrate coarsely a frequency of an oscillator according to a width of an end-of-packet of the series of digital data. And calibrate finely the frequency of the oscillator according to a width of a SYNC pattern of the series of digital data.

Abstract: In a display apparatus having a display zone and a light-shielding zone, the light-shielding zone includes an electrically controlled material having a controllable light shielding rate and being controlled to change its light shielding rate in accordance with a control signal.

Abstract: A method for dynamically configuring USB endpoint resource includes providing a USB endpoint resource having a plurality of endpoint access units, detecting and determining a total number of a plurality of USB endpoints and characteristics of each USB endpoint, portioning out the plurality of endpoint access units for use by each USB endpoint.

Abstract: An accessory utilized in a portable electronic device includes: a housing; a connecting port placed on the housing, for electrically connecting an output port of the portable electronic device in order to receive an audio signal output by the portable electronic device; an audio signal outputting module placed inside the housing and electrically connected to the connecting port, for processing and outputting the audio signal; and a fixing module, placed on the housing, for locking the portable electronic device and the accessory such that the accessory can move with the portable electronic device.

Abstract: The present invention provides a pixel clock generator for automatically adjusting the horizontal resolution of an OSD screen. The OSD screen is displayed on a displaying device, the displaying device comprises a screen and a display control circuit for displaying an image frame on the screen according to an incoming horizontal synchronous signals and horizontal image signals. The image frame comprises a plurality of horizontal image lines. Each of the horizontal image signals are used for forming one of the horizontal image lines of the image frame, and each of the horizontal synchronous signals comprises a scan signal and a retrace signal. The pixel clock generator comprising a phase locked loop (PLL) circuit and an adjusting circuit. The adjusting circuit has a control port for receiving a multiplier wherein the PLL circuit generates a quantity of the pixel clocks approximately equal to the multiplier within the receiving time period of each of the horizontal synchronous signals.