32results about How to "Guaranteed to see" patented technology

The invention discloses a propaganda frame for advertising media, which comprises a bottom box, the upper end of the bottom box is fixedly connected with a mounting plate, the upper end of the mounting plate is fixedly connected with a propaganda frame, and one end of the bottom box is fixedly connected with an operating box, and the inside of the bottom box is fixedly connected with two symmetrically arranged support frames, and a transmission shaft is rotatably connected between the two support frames, and the end of the transmission shaft away from the operation box is fixedly connected with a first bevel gear, so The end of the drive shaft far away from the first bevel gear is fixedly sleeved with a spur gear, and the upper ends of the two support frames are rotatably connected to a support plate. The lower end of the support plate is welded with a guide rod, and the guide rod runs through the support frame and The second bevel gear and the crown gear are respectively welded. The present invention has a novel structure, and the advertising leaflets are placed through a simple advertising frame, thereby reducing the cost of advertisement placement, and at the same time, the position adjustment of the advertising leaflets on the device is convenient and simple, and it is convenient to place the advertisements at the most effective positions and heights.

The invention provides a teaching information displaying and issuing device, and particularly relates to the technical field of a teaching auxiliary tool. The teaching information displaying and issuing device comprises a seat frame, wherein the seat frame is of a U-shaped structure; clamp grooves are symmetrically formed in the right sides of the upper wall and the lower wall of an inner cavity of the seat frame; a host machine is arranged between the two clamp grooves; a base is arranged at the front side of the top end surface of the seat frame; a display screen is arranged on the base; thedisplay screen and the host machine are connected; the display screen comprises a main display screen and two sub display screens; the main display screen is arranged in the center of the top end surface of the base; the two sub display screens are arranged at the left and right sides of the main display screen in a way of being symmetrical to each other; each sub display screen is in inclined arrangement; and the main display screen and the sub display screens are connected with the host machine. The teaching information displaying and issuing device has the advantages that through the hostmachine, a great number of teaching materials can be directly uploaded; the teaching materials can be synchronously played at the same time through the main display screen and the sub display screens;the short-time playing and teaching of a great amount of textbook information can be realized; meanwhile, the Internet can be directly connected through the host machine for performing filed supplementary teaching; and the teaching convenience is improved.

The invention provides an embedded-hanging warning device without abrasion for cables of electric power system, and belongs to the field of direction boards of overhead lines. The embedded-hanging warning device comprises a direction board, an internal ball and an external ball, the internal ball is an internal ball body which is connected with the top of the direction board. The top of the external ball is fixed to a cable through a fixing device, the internal ball is arranged in the external ball, the external ball is provided with an opening where the connecting rod passes through. The embedded-hanging warning device does not wear the cable, and make the cable swing.

The invention provides a portable mobile information security display system based on mental visual modulation. The system comprises a computer device used for realizing real-time projection processing and detection; a polarization device used for controlling a polarization direction; a multimedia device used for playing pictures or videos; glasses used for observing privacy information; a movable display board used for accepting projection information; and a camera device used for detecting the display board. The portable mobile information security display system can enable an authorized user to observe information with relatively high security level by wearing matched glasses on relatively private occasions, the other unauthorized users can only observe information with relatively low security level; and in addition, the portable mobile device provides more flexible and abundant modes for lecturers or showers, and limited information is transmitted just by standing in front of a screen depending on a limited screen together with simple gestures. The portable mobile information security display system breaks through the traditional conference mode, pays more attention to the security field while enriching the display modes and the information, and thus having a wide application prospect.

The invention belongs to the field of furniture and discloses a multifunctional platform table. The table comprises a tabletop board, a supporting shell, a base, a control panel, a controller, an angle adjustment mechanism and a height adjustment mechanism. The angle adjustment mechanism and the height adjustment mechanism are arranged in the supporting shell; the supporting shell is arranged between the tabletop board and the base and surrounds the angle adjustment mechanism and the height adjustment mechanism, the angle adjustment mechanism is arranged on the height adjustment mechanism, thetabletop board is arranged on the angle adjustment mechanism, and the control panel is arranged on the tabletop board. According to the multifunctional platform table, the angle and height of the tabletop board of the platform table are adjusted through the angle adjustment mechanism and the height adjustment mechanism.

The invention provides a ventilation remote control system and belongs to the field of mine ventilation control systems. The ventilation remote control system comprises a mine, wherein a draught fan and a frequency converter are arranged in the mine, the draught fan is connected to a power supply through the frequency converter, a carbon dioxide concentration meter is arranged in the mine, a pointer rotating shaft of the carbon dioxide concentration meter is connected to a live wire, a panel of the carbon dioxide concentration meter is provided with a contact, a monitoring room is arranged, an indicator light is arranged in the monitoring room, the contact is connected to a null wire through the indicator light, a potentiometer is arranged in the monitoring room, and the potentiometer is connected to the control end of the frequency converter. In this way, work staff can conduct monitoring in the monitoring room and conduct monitoring and adjustment in real time, and therefore unbalance between carbon dioxide and oxygen in the mine can not be caused.

The invention provides an AR (Augmented Reality)-based vision assisting method and system, and the method comprises the following steps: obtaining a visual picture of a camera, and displaying the visual picture of the camera on a drawing board of an AR vision assisting device; reducing the captured visual picture on a drawing board of the AR vision assisting device; and establishing a transverse coordinate axis and a longitudinal coordinate axis of the drawing board, and moving the reduced visual picture to a specified position of the drawing board according to the position of the coordinate axis. According to the method and the system, when wearing the AR visual auxiliary device, a person with incomplete vision can obtain a large enough picture to reduce the picture, so that the person with incomplete vision can be ensured to see a complete picture.