Abstract: Embodiments of the present disclosure relate to a cavity filer. According to embodiments of the present disclosure, there is providing an improved cavity filter. The cavity filter comprises a housing which defines a cavity and a resonator arrangement which comprises a plurality of resonant components. The plurality of resonant components are arranged in a common plane inside the cavity. The plurality of resonant components comprises a first resonant component, a second resonant component and a third resonant component. The first, second and third resonant components are arranged in an interdigital structure and spaced apart from each other. At least two of the first, second and third resonant components are arranged to be connected through a connection strip. In this way, it reduces the size and weight of the filter. It also achieves cost reduction. Moreover, it is also more flexible do design.

Abstract: A method for adjusting a parameter of an audio service and a terminal includes obtaining, by the terminal, first information, where the first information includes at least one of a first battery level or a first temperature, and adjusting, by the terminal, a parameter of an audio service of the terminal when a first condition is met, where the first condition includes one or more of the first battery level is less than a first preset threshold or greater than a second preset threshold, or the first temperature is less than a third preset threshold or greater than a fourth preset threshold.

Abstract: Example embodiments of the present disclosure provide a resonator (100) and a filter (500). The resonator (100) comprises a capacitance metal sheet (110), an inductance metal sheet (120) and a mounting metal sheet (130). The capacitance metal sheet (110) is configured to generate capacitance of the resonator (100) with a top surface (202) of a metal cavity (200) for housing the resonator (100). The inductance metal sheet (120) is configured to generate inductance of the resonator (100), which is connected to the capacitance metal sheet (110) and extends to a bottom surface (204) of the metal cavity (200). The mounting metal sheet (130) is connected to the inductance metal sheet (120) and configured to mount the resonator (100) in the metal cavity (200). The example embodiments of the present disclosure can implement a resonator and a filter with high performance, small size and low cost.

Abstract: Embodiments of this application provide a method for adjusting a parameter of an audio service and a terminal, which relates to the terminal field, and can resolve a problem that a terminal is powered off or restarted when the terminal runs an audio service in a low-temperature or low-battery scenario. The method is: A terminal obtains first information, where the first information includes at least one of a first battery level and a first temperature; and the terminal adjusts a parameter of an audio service of the terminal if a first condition is met, where the first condition includes one or more of the following cases: The first battery level is less than a first preset threshold or greater than a second preset threshold, and the first temperature is less than a third preset threshold or greater than a fourth preset threshold.

Abstract: A method for adjusting a parameter of an audio service and a terminal includes obtaining, by the terminal, first information, where the first information includes at least one of a first battery level or a first temperature, and adjusting, by the terminal, a parameter of an audio service of the terminal when a first condition is met, where the first condition includes one or more of the first battery level is less than a first preset threshold or greater than a second preset threshold, or the first temperature is less than a third preset threshold or greater than a fourth preset threshold.

Abstract: Example embodiments of the present disclosure provide a resonator (100) and a filter (500). The resonator (100) comprises a capacitance metal sheet (110), an inductance metal sheet (120) and a mounting metal sheet (130). The capacitance metal sheet (110) is configured to generate capacitance of the resonator (100) with a top surface (202) of a metal cavity (200) for housing the resonator (100). The inductance metal sheet (120) is configured to generate inductance of the resonator (100), which is connected to the capacitance metal sheet (110) and extends to a bottom surface (204) of the metal cavity (200). The mounting metal sheet (130) is connected to the inductance metal sheet (120) and configured to mount the resonator (100) in the metal cavity (200). The example embodiments of the present disclosure can implement a resonator and a filter with high performance, small size and low cost.

Abstract: A method for adjusting a parameter of an audio service and a terminal includes obtaining, by the terminal, first information, where the first information includes at least one of a first battery level or a first temperature, and adjusting, by the terminal, a parameter of an audio service of the terminal when a first condition is met, where the first condition includes one or more of the first battery level is less than a first preset threshold or greater than a second preset threshold, or the first temperature is less than a third preset threshold or greater than a fourth preset threshold.

Abstract: A cavity filter including a housing, defining a cavity; and a planar resonator arrangement including multiple planar resonators that are arranged in a common plane inside the cavity, wherein the multiple planar resonators include at least: a first planar resonator including a first elongate planar lead terminating at a first planar head, and a second planar resonator including a second elongate planar lead terminating at a second planar head, wherein the first resonator and the second resonator are immediately adjacent and wherein the first elongate planar lead, the first planar head, the second elongate planar lead and the second planar head extend within the common plane.

Abstract: A electronic device includes a USB Type-C interface, a switching circuit, a first signal path, and a second signal path. The USB Type-C interface is configured to connect to a USB Type-C device. The switching circuit is connected to the USB Type-C interface, the first signal path, and the second signal path. When the USB Type-C interface is connected to the USB Type-C device, the first signal path is connected to the USB Type-C interface through the switching circuit, and a level of a first pin of the USB Type-C interface is a first level. When the USB Type-C interface is disconnected from the USB Type-C device, the second signal path is connected to the USB Type-C interface through the switching circuit, and a level of the first pin is a second level. The first level is greater than the second level.

Abstract: A electronic device includes a USB Type-C interface, a switching circuit, a first signal path, and a second signal path. The USB Type-C interface is configured to connect to a USB Type-C device. The switching circuit is connected to the USB Type-C interface, the first signal path, and the second signal path. When the USB Type-C interface is connected to the USB Type-C device, the first signal path is connected to the USB Type-C interface through the switching circuit, and a level of a first pin of the USB Type-C interface is a first level. When the USB Type-C interface is disconnected from the USB Type-C device, the second signal path is connected to the USB Type-C interface through the switching circuit, and a level of the first pin is a second level. The first level is greater than the second level.

Abstract: A checking tool for measuring a distance between adjacent sinking grooves in an inner hole of a mechanical part, including: a gage block, end cover, sliding piece, pin, base, pin seat, support, measuring rod, spring, barrel, and dial indicator. An inner end face of the base is provided with the sliding piece, at least three concentric circular arc grooves are on the end face, paired eccentric arc grooves are on the sliding piece, the pin connected to the pin seat runs through the base and sliding piece, which is axially limited by the end cover, and the seat rotates relative to the base to realize radial expansion displacement of the sliding piece. A measuring head is formed by the dial indicator, measuring rod, spring and barrel. By positioning the edges of adjacent sinking grooves in an inner hole, measurement for a distance between the grooves is converted into depth measurement.

Abstract: A checking tool for measuring a distance between adjacent sinking grooves in an inner hole of a mechanical part, including: a gage block, end cover, sliding piece, pin, base, pin seat, support, measuring rod, spring, barrel, and dial indicator. An inner end face of the base is provided with the sliding piece, at least three concentric circular arc grooves are on the end face, paired eccentric arc grooves are on the sliding piece, the pin connected to the pin seat runs through the base and sliding piece, which is axially limited by the end cover, and the seat rotates relative to the base to realize radial expansion displacement of the sliding piece. A measuring head is formed by the dial indicator, measuring rod, spring and barrel. By positioning the edges of adjacent sinking grooves in an inner hole, measurement for a distance between the grooves is converted into depth measurement.

Abstract: One aspect of the present invention can include a method for exchanging relation information between mobile devices. The method can include a step of identifying a first mobile device associated with a first user that includes a first contact list and identifying a second mobile device including a second contact list. The first mobile device can electronically convey contact information for at least one contact in the first contact list to the second mobile device. The contact can be a person other than the first user. The contact information can include a relation between the first user and the contact. The second mobile device can add the conveyed contact information to the second contact list. After the adding step, the relation between the first user and the contact can be specified within the second contact list.