Abstract: A nail gun includes a housing; an electric motor disposed in the housing; a firing assembly configured to be capable of moving from an initial position to a firing position to drive a nail into a workpiece and moving from the firing position to the initial position within a nailing cycle; a parameter detection unit connected to at least the electric motor and configured to detect at least the number of revolutions of the electric motor; and a controller connected to at least the parameter detection unit. The controller is configured to, when the number of revolutions is greater than or equal to a first revolution number threshold and less than a second revolution number threshold, control the electric motor to operate at a constant rotational speed.

Abstract: A nail gun includes: a housing; an electric motor disposed in the housing; a firing assembly configured to be capable of moving from an initial position to a firing position to drive a nail into a workpiece and moving from the firing position to the initial position within a nailing cycle; a trigger switch disposed on the housing and configured to be operated upon an intention to drive the firing assembly; a push rod switch configured to be turned on when the push rod switch is pressed against the workpiece along the nailing direction; and a controller that is capable of at least acquiring a startup signal and controlling the electric motor to run. The controller is configured to, when the startup signal is detected within a current nailing cycle, at least control the electric motor to continue running until a nail is driven within a next nailing cycle.

Abstract: A nail gun includes a housing; an electric motor disposed in the housing; a battery pack configured to power the electric motor; a firing assembly configured to be capable of moving from an initial position to a firing position to drive a nail into a workpiece and moving from the firing position to the initial position within a nailing cycle; a parameter detection unit connected to at least the electric motor and configured to detect at least a working parameter of the electric motor; and a controller connected to at least the parameter detection unit. The controller is configured to, if the working parameter of the electric motor in a startup process is less than or equal to a parameter threshold, restrict a maximum duty cycle of a startup control signal to being less than or equal to a duty cycle threshold.

Abstract: A fastener driver includes a first cylinder including first cylinder holes through which the external gas is replenished into the first cylinder; and a second cylinder including second cylinder holes through which the gas in the second cylinder is released to the outside. The first cylinder communicates with the second cylinder. A first piston is disposed in the first cylinder. When a striking member is at a stop position, the air pressure on one side of the first piston is different from the air pressure on the other side of the first piston.

Abstract: A fastener driver includes: a striking assembly including a striking member configured to strike a fastener; and an electric motor, where the electric motor is configured to drive a power mechanism to move and generate power. The striking member includes a striking end for striking the fastener, and the striking end is provided with a recess.

Abstract: The present application discloses a method, device, and system for providing security credentials to access a non-public network. The method includes receiving, by a terminal, an identifier of a first network and corresponding encryption information. The first network includes a non-public network. The encryption information includes encrypted security credentials for the first network. The terminal receives the identifier of the first network and the corresponding encryption information from a second network that is different from the first network. The method further includes decrypting, by the terminal, the encryption information. The encryption information is decrypted based at least in part on default credentials corresponding to the identifier of the first network. The security credentials of the first network are obtained based at least in part on the decrypted encryption information.

Abstract: A nail gun includes a housing; an electric motor disposed in the housing; a battery pack configured to power the electric motor; a firing assembly configured to be capable of moving from an initial position to a firing position to drive a nail into a workpiece and moving from the firing position to the initial position within a nailing cycle; a parameter detection unit connected to at least the electric motor and configured to detect at least a working parameter of the electric motor; and a controller connected to at least the parameter detection unit. The controller is configured to, if the working parameter of the electric motor in a startup process is less than or equal to a parameter threshold, restrict a maximum duty cycle of a startup control signal to being less than or equal to a duty cycle threshold.

Abstract: Embodiments of the present disclosure provide a service provision method, a device, and a storage medium. In the embodiments of the present disclosure, a network management service user (such as a third-party server) can easily and quickly acquire a service related to a network management capability by performing capability exposure on a network management system in an operator network; further, in the process of exposing the network management capability, a permission access policy is added, so that the network management service user can only use a network management capability service with an access permission, which is favorable for reasonably exposing the network management service capability, so as to safely and efficiently provide the network management capability service, and improve the utilization efficiency of the network management capability in the operator network.

Abstract: A method includes receiving, by an embedded universal integrated circuit card (eUICC), first information from a local profile assistant (LPA), where the first information includes a first certificate issuer (CI) public key identifier, and the first CI public key identifier is a CI public key identifier that the eUICC does not have. The method further includes sending, by the eUICC, second information to an OPS, where the second information includes the first CI public key identifier. The method further includes receiving, by the eUICC, a patch package from the OPS, where the patch package includes at least a first CI public key corresponding to the first CI public key identifier. The method further includes updating, by the eUICC, a CI public key of the eUICC by using the first CI public key.

Abstract: A power tool includes an electric motor, a power supply module, a driver circuit, a control module, and a detection module. Under sensorless control, the power tool can accurately identify an occasion for controlling a brushless motor to switch from an open-loop control mode to a closed-loop control mode.

Abstract: A nail gun includes a housing; an electric motor disposed in the housing; a battery pack configured to power the electric motor; a firing assembly configured to be capable of moving from an initial position to a firing position to drive a nail into a workpiece and moving from the firing position to the initial position within a nailing cycle; a parameter detection unit connected to at least the electric motor and configured to detect at least a working parameter of the electric motor; and a controller connected to at least the parameter detection unit. The controller is configured to, if the working parameter of the electric motor in a startup process is less than or equal to a parameter threshold, restrict a maximum duty cycle of a startup control signal to being less than or equal to a duty cycle threshold.

Abstract: A nail gun includes a housing; an electric motor disposed in the housing; a firing assembly configured to be capable of moving from an initial position to a firing position to drive a nail into a workpiece and moving from the firing position to the initial position within a nailing cycle; a parameter detection unit connected to at least the electric motor and configured to detect at least the number of revolutions of the electric motor; and a controller connected to at least the parameter detection unit. The controller is configured to, when the number of revolutions is greater than or equal to a first revolution number threshold and less than a second revolution number threshold, control the electric motor to operate at a constant rotational speed.

Abstract: Embodiments of the present disclosure provide frequency point changing methods and apparatuses.

Abstract: Embodiments of the present invention provide a traffic package providing method.

Abstract: A power tool includes a functional piece; an electric motor; a power supply device for supplying power to the electric motor; a parameter detection device configured to acquire multiple operating parameters of the electric motor and/or the power supply device; and a controller connected to the parameter detection device and configured to control running of the electric motor. The controller is configured to detect whether the multiple operating parameters satisfy policy switching conditions corresponding to the multiple operating parameters; in the case where any operating parameter of the multiple operating parameters satisfies a policy switching condition corresponding to the any operating parameter, control the electric motor by using a first electric motor control policy; and in the case where none of the multiple operating parameters satisfy the policy switching conditions corresponding to the multiple operating parameters, control the electric motor by using a second electric motor control policy.

Abstract: A shooting method includes: displaying, on the display, a shooting preview interface collected by a first camera; displaying, on the shooting preview interface, a first image composition and a second image composition that respectively correspond to a first subject and a second subject, where the first subject is different from the second subject; displaying a guide mark on the shooting preview interface, to guide a user to operate the electronic device, so that a framing range of the second camera and the first image composition meet a matching condition; and in response to meeting the matching condition, displaying a first recommended image including the first subject on the display, where the first recommended image is collected by a second camera, wherein an angle of view of the first camera is greater than an angle of view of the second camera.

Abstract: Provided in embodiments of the present application are a a key generation and terminal provisioning method, an apparatus, and a device thereof. The method for generating a key includes: sending, by an enrollee, a first request message to a configurator, the first request message comprising a first identifier, and the first identifier used to instruct the configurator to perform a network reconfiguration operation; receiving, by the enrollee, a first message sent by the configurator and including first key information; generating, by the enrollee, a session key according to the first key information; sending, by the enrollee, a second message to the configurator, the second message comprising second key information, thus allowing the configurator to generate the session key according to the second key information.

Abstract: A terminal application activation method, apparatus, and system, applied to a terminal that includes a master chip and a security system, where the security system is coupled to the master chip through at least two data channels. The method includes obtaining application information of the security system, where the application information includes information about first applications to-be-activated, activating the first applications, allocating a corresponding data channel for each of the first applications, and performing data communication with the first applications through data channels corresponding to the first applications.

Abstract: A local profile management method includes an embedded universal integrated circuit card (eUICC) and a terminal. The eUICC includes a primary platform and at least one installed bundle. The primary platform is a hardware platform. Each bundle includes at least one profile and an operating system (OS). The primary platform includes a processing module configured to receive a first message sent by a local profile assistant (LPA), where the first message is an operation instruction entered by a user, and separately send a second message to at least one OS corresponding to the at least one bundle, where the second message is used by the at least one OS to perform a corresponding operation. Local management of profiles of different OSs is implemented using the processing module disposed on the primary platform of the eUICC.

Abstract: Embodiments of the present disclosure provide methods and devices for communication by a terminal.