Abstract: A method for heat treating a bearing ring includes performing an induction heating treatment and a liquid spraying treatment on a first radial surface so that a radial thickness of the bearing ring is hardened, performing an induction heating treatment on an opposite radial surface so that the temperature near the opposite radial surface reaches 820-950° C., and at the same time spraying liquid on the first radial surface so that the temperature of the first radial surface does not exceed 150° C., spraying liquid on the second radial surface after the induction heating treatment so that the bearing ring forms a hardened second radially outer portion, a hardened second radially inner portion, and a second radially middle portion having a hardness lower than that of the second radially outer portion and the second radially inner portion, and then performing a low-temperature tempering treatment on the bearing ring.

Abstract: The present invention relates to the technical field of automobile logos, and provides a luminous logo and a manufacturing method therefor. The luminous logo comprises: a logo body, which is provided with a plurality of protruding portions; a plurality of optical fibre bundles arranged to form an optical fibre structure matching the logo body in shape, the optical fibre structure being evenly overmoulded inside the logo body, and an end of each optical fibre bundle extending from one of the protruding portions; and a light-emitting light source detachable relative to the logo body, the extended ends of the plurality of optical fibre bundles being gathered and connected to the light-emitting light source. According to the present invention, optical fibres are embedded into a logo body, an end of each optical fibre extends from a respective protruding portion of the logo body and is connected to a detachable light source, thereby realizing luminescence of the logo and facilitating assembly of the logo.

Abstract: A head-mounted electronic device and an audio processing method includes a fixing unit, by which the head-mounted electronic device can be worn on the wearer's head; a processing unit, provided in the fixing unit and configured to perform audio processing and output a first audio signal; a first bone conduction unit, provided on the inner side of the fixing unit, configured to generate vibrations according to the first audio signal, so that the wearer can hear the first audio through the generated vibration, wherein the inner side of the fixing unit is the side which is closer to the wearer's head when the head-mounted electronic device is worn on the wearer's head, and when the head-mounted electronic device is worn on the wearer's head, the first bone conduction unit contacts the wearer's head, so wearer can sense vibrations generated by the first bone conduction unit.

Abstract: An electronic device and a sound capturing method are described. The electronic device includes at least one first bone conducting unit, which is operable to detect vibration produced by an object in contact with the first bone conducting unit, and to generate an alternating current signal based on the detected vibration to capture a sound produced by the vibration; and a processing unit, which is operable to receive the alternating current signal and to perform an audio processing on the alternating current signal.

Abstract: An electronic device and a sound capturing method are described. The electronic device includes at least one first bone conducting unit, which is operable to detect vibration produced by an object in contact with the first bone conducting unit, and to generate an alternating current signal based on the detected vibration to capture a sound produced by the vibration; and a processing unit, which is operable to receive the alternating current signal and to perform an audio processing on the alternating current signal.

Abstract: It is provided an electronic device including an opto-mechanical system and an optical unit; the opto-mechanical system is adapted to form projection light oriented in a first direction in accordance with a display data signal, the housing of the electronic device has a first opening on the emission path of the projection light; the optical unit is adapted to adjust a projection direction of the projection light; specifically, the optical unit has at least a first position and a second position, when the optical unit is in the first position, the projection light forms a projected image in the first direction; and when the optical unit is in the second position, the projection light has its direction adjusted by the optical unit to the second direction, and then forms a projected image along the second direction.

Abstract: An electronic device and a sound capturing method are described. The electronic device includes at least one first bone conducting unit, which is operable to detect vibration produced by an object in contact with the first bone conducting unit, and to generate an alternating current signal based on the detected vibration to capture a sound produced by the vibration; and a processing unit, which is operable to receive the alternating current signal and to perform an audio processing on the alternating current signal.

Abstract: A head-mounted electronic device and an audio processing method includes a fixing unit, by which the head-mounted electronic device can be worn on the wearer's head; a processing unit, provided in the fixing unit and configured to perform audio processing and output a first audio signal; a first bone conduction unit, provided on the inner side of the fixing unit, configured to generate vibrations according to the first audio signal, so that the wearer can hear the first audio through the generated vibration, wherein the inner side of the fixing unit is the side which is closer to the wearer's head when the head-mounted electronic device is worn on the wearer's head, and when the head-mounted electronic device is worn on the wearer's head, the first bone conduction unit contacts the wearer's head, so wearer can sense vibrations generated by the first bone conduction unit.

Abstract: It is provided an electronic device including an opto-mechanical system and an optical unit; the opto-mechanical system is adapted to form projection light oriented in a first direction in accordance with a display data signal, the housing of the electronic device has a first opening on the emission path of the projection light; the optical unit is adapted to adjust a projection direction of the projection light; specifically, the optical unit has at least a first position and a second position, when the optical unit is in the first position, the projection light forms a projected image in the first direction; and when the optical unit is in the second position, the projection light has its direction adjusted by the optical unit to the second direction, and then forms a projected image along the second direction.