Abstract: An interconnect structure comprises a first dielectric layer, a first metal layer, a second dielectric layer, a metal via, and a second metal layer. The first dielectric layer is over a substrate. The first metal layer is over the first dielectric layer. The first metal layer comprises a first portion and a second portion spaced apart from the first portion. The second dielectric layer is over the first metal layer. The metal via has an upper portion in the second dielectric layer, a middle portion between the first and second portions of the first metal layer, and a lower portion in the first dielectric layer. The second metal layer is over the metal via. From a top view the second metal layer comprises a metal line having longitudinal sides respectively set back from opposite sides of the first portion of the first metal layer.

Abstract: A laser inspection system is provided. A laser source emits a laser with a first spectrum and the laser is transmitted by a first optical fiber. A gain optical fiber doped with special ions is connected to the first optical fiber, and a light detector is provided around the gain optical fiber. When the laser with the first spectrum passes through the gain optical fiber, the gain optical fiber absorbs part of the energy level of the laser with the first spectrum, so that the laser with the first spectrum is converted to generate light with a second spectrum based on the frequency conversion phenomenon. The light detector detects the intensity of the light with the second spectrum, so that the power of the laser source can be obtained.

Abstract: A base material is provided. A first patterned circuit layer and a second patterned circuit layer are formed on a first surface and a second surface of the base material. A first insulation layer and a metal reflection layer are provided on the first patterned circuit layer and a portion of the first surface exposed by the first patterned circuit layer, wherein the metal reflection layer covers the first insulation layer, and a reflectance of the metal reflection layer is substantially greater than or equal to 85%, there is no conductive material between the first patterned circuit layer and the metal reflection layer. A first ink layer is formed on the first insulation layer before the metal reflection layer is formed.

Abstract: A method for performing network control in a wireless communications system and associated apparatus are provided. The method may include: carrying a set of link information in a preamble of a first data transmission frame transmitted from the first network device to a second network device, wherein the set of link information may include at least one indication among the following indications: a destination device indication, a device assignment indication and a transmission power control indication; wherein a third network device is arranged to monitor wireless transmission in the wireless communications system to obtain the set of link information from the first data transmission frame, and determine spatial reuse (SR) transmission availability of the third network device based on the set of link information.

Abstract: A microphone device, a telephone device, and a decoupling circuit are provided. The decoupling circuit includes a first capacitor, a first resistor, and a switch. A first terminal of the first capacitor is coupled to a first terminal of an audio source. A first terminal of the first resistor is coupled to a second terminal of the first capacitor, and a second terminal of the first resistor is coupled to a second terminal of the audio source. A first terminal of the switch is coupled to the second terminal of the first capacitor and the first terminal of the first resistor, and a second terminal of the switch is coupled to the second terminal of the audio source. The first capacitor and the first resistor are configured to absorb noise generated by the switch during switching.

Abstract: A microphone device, a telephone device, and a decoupling circuit are provided. The decoupling circuit includes a first capacitor, a first resistor, and a switch. A first terminal of the first capacitor is coupled to a first terminal of an audio source. A first terminal of the first resistor is coupled to a second terminal of the first capacitor, and a second terminal of the first resistor is coupled to a second terminal of the audio source. A first terminal of the switch is coupled to the second terminal of the first capacitor and the first terminal of the first resistor, and a second terminal of the switch is coupled to the second terminal of the audio source. The first capacitor and the first resistor are configured to absorb noise generated by the switch during switching.

Abstract: A telephone and an audio control method thereof are provided. The telephone includes a connector, a detecting circuit and an audio control unit. The connector connects an audio transceiver. The detecting circuit couples the connector, and generates a detecting voltage by detecting the audio transceiver through the connector. The audio controlling unit couples the detecting circuit and the connector. The audio control unit includes an analog-to-digital converter, an audio codec and a processing unit. The analog-to-digital converter is configured to covert the detecting voltage into a digital code. The audio codec provides at least two audio configurations. The processing unit identifies the audio transceiver according to the digital code, and controls the audio codec to switch to the audio configuration adapted to the identified audio transceiver to process audio data of the audio transceiver.

Abstract: A telephone and an audio control method thereof are provided. The telephone includes a connector, a detecting circuit and an audio control unit. The connector connects an audio transceiver. The detecting circuit couples the connector, and generates a detecting voltage by detecting the audio transceiver through the connector. The audio controlling unit couples the detecting circuit and the connector. The audio control unit includes an analog-to-digital converter, an audio codec and a processing unit. The analog-to-digital converter is configured to covert the detecting voltage into a digital code. The audio codec provides at least two audio configurations. The processing unit identifies the audio transceiver according to the digital code, and controls the audio codec to switch to the audio configuration adapted to the identified audio transceiver to process audio data of the audio transceiver.

Abstract: A circuit for detecting microphone pin assignment and method thereof is provided. The circuit includes a pin switch unit and a detection unit. The pin switch unit switches the pin assignment of a headset connector. The detection unit receives microphone signals and outputs a test voltage to the microphone. According to the voltage difference between the pins, the pin assignment of the headset is determined and the pin switch unit automatically switches to the correct pins.

Abstract: The present invention discloses a backlight driving circuit applied to an electronic device. The backlight driving circuit includes a light-emitting diode unit, a photosensitive element, and a control circuit. The light-emitting diode unit has an anode terminal and a cathode terminal. The photosensitive element is coupled between the cathode terminal of the light-emitting diode unit and a ground, wherein the resistance of the photosensitive element changes with the ambient light level around the electronic device. The control circuit includes a sensing terminal and an output terminal. The sensing terminal receives a feedback voltage. The output terminal provides a power source to the anode terminal of the light-emitting diode unit according to the feedback voltage to control the luminance of the light-emitting diode unit, wherein the feedback voltage is decided by the resistance of the photosensitive element.

Abstract: A circuit for detecting microphone pin assignment and method thereof is provided. The circuit includes a pin switch unit and a detection unit. The pin switch unit switches the pin assignment of a headset connector. The detection unit receives microphone signals and outputs a test voltage to the microphone. According to the voltage difference between the pins, the pin assignment of the headset is determined and the pin switch unit automatically switches to the correct pins.

Abstract: A button mechanism includes a circuit structure and an actuating structure. The circuit structure includes a substrate, a first electrode layer, and a second electrode layer. The first electrode layer and the second electrode layer are disposed on the substrate, and the second electrode layer is separated from the first electrode layer. The first electrode layer includes a first section and a second section. The second electrode layer includes a third section and a fourth section. The second section stretches to the third section, and the fourth section stretches to the first section. A predetermined gap is formed between the first electrode layer and the second electrode layer, and the predetermined gap includes a plurality of curved portions. The actuating structure includes a conductive portion for conducting the first electrode layer and the second electrode layer.

Abstract: A testing apparatus and a testing method for a telephone apparatus are disclosed. The testing apparatus includes an audio generator, an audio signal processor, and a noise analyzer. The audio generator transmits a testing audio signal to a receiver of the telephone apparatus. The audio signal processor receives the testing audio signal and an output audio signal. The audio signal processor performs a time-to-frequency transformation operation on a difference between the testing audio signal and the output audio signal to obtain a noise information. The noise analyzer receives the noise information and obtains a maximum noise component among a plurality of noise components respectively corresponding to frequencies in the noise information. The noise analyzer compares the maximum noise component with a predetermined threshold to generate a testing result of the telephone apparatus.

Abstract: A testing apparatus and a testing method for a telephone apparatus are disclosed. The testing apparatus includes an audio generator, an audio signal processor, and a noise analyzer. The audio generator transmits a testing audio signal to a receiver of the telephone apparatus. The audio signal processor receives the testing audio signal and an output audio signal. The audio signal processor performs a time-to-frequency transformation operation on a difference between the testing audio signal and the output audio signal to obtain a noise information. The noise analyzer receives the noise information and obtains a maximum noise component among a plurality of noise components respectively corresponding to frequencies in the noise information. The noise analyzer compares the maximum noise component with a predetermined threshold to generate a testing result of the telephone apparatus.

Abstract: The present invention discloses a backlight driving circuit applied to an electronic device. The backlight driving circuit includes a light-emitting diode unit, a photosensitive element, and a control circuit. The light-emitting diode unit has an anode terminal and a cathode terminal. The photosensitive element is coupled between the cathode terminal of the light-emitting diode unit and a ground, wherein the resistance of the photosensitive element changes with the ambient light level around the electronic device. The control circuit includes a sensing terminal and an output terminal. The sensing terminal receives a feedback voltage. The output terminal provides a power source to the anode terminal of the light-emitting diode unit according to the feedback voltage to control the luminance of the light-emitting diode unit, wherein the feedback voltage is decided by the resistance of the photosensitive element.

Abstract: A button mechanism includes a circuit structure and an actuating structure. The circuit structure includes a substrate, a first electrode layer, and a second electrode layer. The first electrode layer and the second electrode layer are disposed on the substrate, and the second electrode layer is separated from the first electrode layer. The first electrode layer includes a first section and a second section. The second electrode layer includes a third section and a fourth section. The second section stretches to the third section, and the fourth section stretches to the first section. A predetermined gap is formed between the first electrode layer and the second electrode layer, and the predetermined gap includes a plurality of curved portions. The actuating structure includes a conductive portion for conducting the first electrode layer and the second electrode layer.