Abstract: A multi-beam apparatus for observing a sample with high resolution and high throughput is proposed. In the apparatus, a source-conversion unit forms plural and parallel images of one single electron source by deflecting plural beamlets of a parallel primary-electron beam therefrom, and one objective lens focuses the plural deflected beamlets onto a sample surface and forms plural probe spots thereon. A movable condenser lens is used to collimate the primary-electron beam and vary the currents of the plural probe spots, a pre-beamlet-forming means weakens the Coulomb effect of the primary-electron beam, and the source-conversion unit minimizes the sizes of the plural probe spots by minimizing and compensating the off-axis aberrations of the objective lens and condenser lens.

Abstract: A planetary wheel type obstacle crossing robot, including a frame, a front drive set, and a rear drive set, is provided. The front drive set and the rear drive set are respectively connected to a front end and a rear end of the frame. The front drive set includes a dual-drive steering wheel structure, which includes two drive wheels and two first drive devices. The first drive devices respectively output different rotational speeds to the drive wheels, so that the dual-drive steering wheel structure rotates. The rear drive set includes two planetary wheel sets, two second drive devices, and a planetary wheel set suspension structure. Each planetary wheel set is individually driven and includes a front wheel, a rear wheel, and an upper wheel. The wheels of each planetary wheel set cooperate to climb over an obstacle under an action of a driving torque output by the second drive device.

Abstract: A water stopping mechanism configured for a water outlet device comprises one or more pad members configured for elastic deformation. The one or more pad members are configured to be movably disposed in a water outlet chamber of the water outlet device. The one or more pad members at least define a position-providing space, and the one or more pad members comprise a water stopping position and an open position. When in the water stopping position, the one or more pad members elastically hermetically seal and abut an outer peripheral of one or more water outlet ports of the water outlet chamber to achieve water stopping and hermetical sealing, and the one or more pad members are configured to move toward the position-providing space due to increasing of water pressure in the water outlet chamber to terminate the water stopping and the hermetical sealing.

Abstract: The present disclosure discloses a structure for rapidly picking and placing a hand shower comprising a fixed portion, a shower body, and a trigger element. The fixed portion is movably disposed with a locking member, and the shower body is disposed with a locking matching portion. When the locking matching portion is locked to and matched with the locking member, the shower body is fixed relative to the fixed portion. The trigger element is movably disposed on the shower body. When the shower body is fixed relative to the fixed portion, the trigger element contacts the locking member, and movement of the trigger element is configured to drive the locking member to move to enable the locking member to be separated from the locking matching portion and to enable the shower body to be rapidly separated from the fixed portion.

Abstract: A system and method for downloading production order specific software and/or firmware to an electronic gaming machine device is disclosed.

Abstract: A multi-level structure conveying system and method for assisting UAV landing are provided. The system includes conveying units and modular bottom plates. The modular bottom plate provides line connection between a power supply and a controller for the conveying unit. The conveying unit drives a UAV to move through driving a conveyor to move. Placement of the conveying units in different directions is used to control a movement direction of the UAV. The conveying units are connected through side plate modules to be arranged into conveying modules with different trajectories. The UAV moves on the conveying modules under driving of each conveying unit to reach a target position. A side plate bump of each conveying unit is sleeved opposite to a side plate recess of the adjacent conveying unit. A hollow channel formed by side plate holes of the adjacent conveying units is fixed by adopting a connecting shaft.

Abstract: A planetary wheel type obstacle crossing robot, including a frame, a front drive set, and a rear drive set, is provided. The front drive set and the rear drive set are respectively connected to a front end and a rear end of the frame. The front drive set includes a dual-drive steering wheel structure, which includes two drive wheels and two first drive devices. The first drive devices respectively output different rotational speeds to the drive wheels, so that the dual-drive steering wheel structure rotates. The rear drive set includes two planetary wheel sets, two second drive devices, and a planetary wheel set suspension structure. Each planetary wheel set is individually driven and includes a front wheel, a rear wheel, and an upper wheel. The wheels of each planetary wheel set cooperate to climb over an obstacle under an action of a driving torque output by the second drive device.

Abstract: A multi-level structure conveying system and method for assisting UAV landing are provided. The system includes conveying units and modular bottom plates. The modular bottom plate provides line connection between a power supply and a controller for the conveying unit. The conveying unit drives a UAV to move through driving a conveyor to move. Placement of the conveying units in different directions is used to control a movement direction of the UAV. The conveying units are connected through side plate modules to be arranged into conveying modules with different trajectories. The UAV moves on the conveying modules under driving of each conveying unit to reach a target position. A side plate bump of each conveying unit is sleeved opposite to a side plate recess of the adjacent conveying unit. A hollow channel formed by side plate holes of the adjacent conveying units is fixed by adopting a connecting shaft.

Abstract: Provided are servers and methods for authenticating software files. A server includes a processor circuit and a memory coupled to the processor circuit. The memory includes computer program instructions that, when executed by the processor circuit, cause the authentication server to perform operations including verifying, using a public key, signature data corresponding to a single certificate file for authenticating a software installation package file that was signed using a private source key. Operations may include, responsive to verifying that the signature data matches an originally signed single certificate file, reading an image file segment table from the software installation package file. The image file segment table includes multiple records that correspond to ones of multiple image file segments of the software installation package file.

Abstract: A multi-dimensional magnetic negative-stiffness mechanism and a multi-dimensional magnetic negative-stiffness vibration isolation system composed thereof are provided. The multi-dimensional damping system is composed of a positive-stiffness mechanism, a multi-dimensional negative-stiffness mechanism, a floating frame, a vibration isolated body, and a mounting base. The positive-stiffness mechanism is a traditional elastic element connected to the vibration isolated body and the mounting base, and provides supporting forces in an X direction, a Y direction, and a Z direction, and a basic vibration isolation function. The multi-dimensional negative-stiffness mechanism is composed of at least two negative-stiffness magnetic groups. Each negative-stiffness magnetic group may provide one-dimensional or two-dimensional negative stiffness.

Abstract: A system and method for downloading production order specific software and/or firmware to an electronic gaming machine device is disclosed.

Abstract: A system and method for downloading production order specific software and/or firmware to an electronic gaming machine device is disclosed.

Abstract: A multi-dimensional magnetic negative-stiffness mechanism and a multi-dimensional magnetic negative-stiffness vibration isolation system composed thereof are provided. The multi-dimensional damping system is composed of a positive-stiffness mechanism, a multi-dimensional negative-stiffness mechanism, a floating frame, a vibration isolated body, and a mounting base. The positive-stiffness mechanism is a traditional elastic element connected to the vibration isolated body and the mounting base, and provides supporting forces in an X direction, a Y direction, and a Z direction, and a basic vibration isolation function. The multi-dimensional negative-stiffness mechanism is composed of at least two negative-stiffness magnetic groups. Each negative-stiffness magnetic group may provide one-dimensional or two-dimensional negative stiffness.

Abstract: Provided are servers and methods for authenticating software files. A server includes a processor circuit and a memory coupled to the processor circuit. The memory includes computer program instructions that, when executed by the processor circuit, cause the authentication server to perform operations including verifying, using a public key, signature data corresponding to a single certificate file for authenticating a software installation package file that was signed using a private source key. Operations may include, responsive to verifying that the signature data matches an originally signed single certificate file, reading an image file segment table from the software installation package file. The image file segment table includes multiple records that correspond to ones of multiple image file segments of the software installation package file.

Abstract: Gaming systems and methods for customizing game play on a gaming machine with custom media are described herein. The gaming machine includes a cabinet, a display, a user input mechanism, an interface configured to wirelessly communicate with a portable electronic device controlled by a player, and a game controller. The game controller is configured to provide a default game play session of a wager-based game, facilitate a data connection between the gaming machine and the portable electronic device through the interface, and receive custom game media and customization settings. The game controller is further configured to store the custom game media and customization settings and to provide a customized game play session of the wager-based game according to the customization settings and the custom game media.

Abstract: The present invention discloses an active airbearing device, including a airbearing body, a gas film active adjusting unit, a support body detection unit and a drive control unit, wherein the support body detection device measures a state of airbearing, the drive control system generates a control signal according to a detection signal, drives and controls the gas film active adjusting device to generate an active action, and dynamically adjusts the form of gas films on a airbearing surface, so as to dynamically adjust pressure distribution of gaps between the gas films of the airbearing device, thereby improving dynamic stiffness characteristics of the airbearing.

Abstract: A device for testing mixed-mode fatigue crack growth rate includes a plate-like specimen, and a first fixture mechanism for exerting stretch, shear and torsion actions on the specimen via a second fixture mechanism. The second fixture mechanism is used for clamping the specimen and enabling the specimen to generate a mixed-mode fatigue crack in cooperation with the first fixture mechanism. The device further comprises a fatigue crack measurement instrument for measuring and recording the length of mixed-mode fatigue crack generated on the specimen.

Abstract: A single-degree-of-freedom magnetic vibration isolation device belongs to vibration isolation devices and solves the following problems: the existing active and passive combined vibration reduction system is complex in structure, needs energy supply, and has low reliability.