Abstract: A four-cylinder diaphragm pump includes a pump body having four pump chambers, and a drive mechanism that expands and contracts the four pump chambers with a predetermined phase difference, in which the pump body includes a first diaphragm having two diaphragm portions on a same plane, and a second diaphragm having two diaphragm portions on a same plane disposed to be located to be parallel to or coplanar with the plane of the first diaphragm, each of the diaphragm portions of the first diaphragm and the second diaphragm constitute a portion of a different pump chamber, and the drive mechanism is configured to move the diaphragm portions of the first diaphragm and the second diaphragm forward or backward with respect to the corresponding pump chambers with a predetermined phase difference.

Abstract: A mobile application running on a host mobile device is used to control the display of notifications, received by the host mobile device, on a mobile device cover. A single button on the mobile device cover is used to display, configure, and navigate through functionality menus of functions provided by the mobile device cover.

Abstract: A reasonable millisecond time control method for excavation blasting of a tunnel is provided, and includes: acquiring physical mechanical parameters to establish a millisecond blasting model, and designing four dimensions blasting parameters of explosive quantity, hole number, inter-hole millisecond and inter-row millisecond; simulating, based on the millisecond blasting model, a blasting process of an explosive package using blasting parameters to obtain a blasting vibration curve; obtaining single-hole blasting vibration waveforms, solving a vibration synthesis curve through a vibration synthesis theory; comparing the vibration synthesis curve with the blasting vibration curve to obtain a coupling relationship of blasting parameters; determining a target group of explosive quantity and hole numbers, determining a target millisecond through the coupling relationship of blasting parameters, and relating a millisecond blasting control strategy to control, and it is used for tunneling project to reduce cut blas

Abstract: A mobile device cover displays notifications based on communication received by a host mobile device. The mobile device cover has multiple screens that can be unfolded. The multiple screens can operate as separate displays or at least two of the screens can form a composite display. One of the screens can provide a touch-sensitive keyboard.

Abstract: A levering device includes a coupling block, a gripper, an operating rod, and a constraint sleeve. The coupling block includes a coupling chamber, two guide slots in communication with the coupling chamber, an extension rod, and an axial hole axially cut through the extension rod in communication with the coupling chamber. The operating rod being axially movably inserted through the axial hole into a bearing chamber of a housing of a motor-driven water lifting device to stop against respective one end of a wheel axle of the motor-driven water lifting device. The gripper is attachable to the two guide slots of the coupling block and includes two gripper blocks and two claw bars respectively connected to the gripper blocks. The constraint sleeve is sleeved onto the coupling block to stop the two claw bars in the respective the guide slots.

Abstract: A battery in a mobile phone cover may be selectively charged according to a user-selectable parameter. When charged, the battery in the mobile phone cover may be used to charge a battery in a mobile phone.

Abstract: Systems and methods of providing a mobile device cover are described. In some embodiments, the mobile device cover may include, for example, an acoustic sensor, a processor, and lighting devices. The processor can be operatively coupled to the acoustic sensor and the lighting devices. The acoustic sensor can be configured to receive sound generated by the mobile phone and to convert the sound into an acoustic signal. The processor can be configured to receive the acoustic signal and to determine whether the acoustic signal is similar to one of a plurality of acoustic signals previously stored on the mobile phone cover. Each of the previously stored acoustic signals can be indicative of, for example, a particular caller, a particular message sender, or a particular alert. Based on the acoustic signal determination, the processor is configured to cause lighting of the one or more lighting devices corresponding to the indicated caller, indicated message sender, or indicated alert.

Abstract: A mobile application running on a host mobile device is used to control the display of notifications, received by the host mobile device, on a mobile device cover. The mobile device cover can run a different operating system than the host mobile device. The mobile device cover can also be assigned a different phone number than the host mobile device. Further, the mobile device cover can make or receive a phone call under the different phone number using its own cellular communication hardware.

Abstract: A camera system for an X-ray counter system utilizing an X-ray generator to image components of products placed on a tray, the camera system comprising: a plurality of cameras positioned above the tray for imaging the products. The tray includes a plurality of stages positioned about a central crosshair. Upon imaging the products on the stages of the tray, the camera system determines the size and number of products on the tray without user imputation. A light source assembly provides illumination to ensure bright field of vision for the cameras to read codes contained on the products that relay information on the previous calculation of the number of components stored on the products. After the X-ray generator images the products, a computer system determines the current number of components stored on the products. New labels may be printed to reflect any changes in the information for the products.

Abstract: Systems and methods of providing a mobile device cover are described. In some embodiments, the mobile device cover may include, for example, an acoustic sensor, a processor, and lighting devices. The processor can be operatively coupled to the acoustic sensor and the lighting devices. The acoustic sensor can be configured to receive sound generated by the mobile phone and to convert the sound into an acoustic signal. The processor can be configured to receive the acoustic signal and to determine whether the acoustic signal is similar to one of a plurality of acoustic signals previously stored on the mobile phone cover. Each of the previously stored acoustic signals can be indicative of, for example, a particular caller, a particular message sender, or a particular alert. Based on the acoustic signal determination, the processor is configured to cause lighting of the one or more lighting devices corresponding to the indicated caller, indicated message sender, or indicated alert.

Abstract: A camera system for an X-ray counter system utilizing an X-ray generator to image components of products placed on a tray, the camera system comprising: a plurality of cameras positioned above the tray for imaging the products. The tray includes a plurality of stages positioned about a central crosshair. Upon imaging the products on the stages of the tray, the camera system determines the size and number of products on the tray without user imputation. A light source assembly provides illumination to ensure bright field of vision for the cameras to read codes contained on the products that relay information on the previous calculation of the number of components stored on the products. After the X-ray generator images the products, a computer system determines the current number of components stored on the products. New labels may be printed to reflect any changes in the information for the products.

Abstract: A mobile application running on a host mobile device is used to control the display of notifications, received by the host mobile device, on a mobile device cover. A single button on the mobile device cover is used to display, configure, and navigate through functionality menus of functions provided by the mobile device cover.

Abstract: A host mobile device and a mobile device cover for use with the host mobile device are configured to select a light pattern and one or more light pattern parameters. The host mobile device runs a mobile application that provides a graphical preview of the selected light pattern on the mobile device cover according to the one or more light parameters. In addition, the mobile application provides a preview of a notification by causing the mobile device cover to display the selected light pattern on the lights and/or screens of the mobile device cover.

Abstract: A private networked database system utilizing mobile devices offers centralized access, reconciliation, and sharing of data, for example consumer immunization information. The system provides technical features not previously available, including bidirectional data transmission and replication across government-controlled databases located in multiple states.