Laser pointer for multimedia teaching

Abstract

The invention discloses a laser pointer for multimedia teaching. The laser pointer comprises a pointer body held by the hand of a user and a pointer cap inserted into a computer USB port, wherein thepointer body and the pointer cap are plugged cooperatively. The pointer body includes a body shell, a remote control unit, a laser unit, an anti-shaking unit, and a power supply unit, wherein the remote control unit, the laser unit, the anti-shaking unit, and the power supply unit are arranged in the body shell. The pointer cap includes a cap shell, a second wireless radio-frequency unit, a secondmicroprocessor, a memory, a coaxial male plug, and a USB module, wherein the second wireless radio-frequency unit, the second microprocessor, the memory, the coaxial male plug, and the USB module arearranged in the cap shell. According to the invention, the laser pointer being integrated with various functions of laser guidance, remote computer control, memory and charging and the like not onlyis capable of carrying out page turning on a PPT but also is capable of operating the computer; the laser unit can emit multiple colors of light to eliminate identification obstacles of users with problems of color blindness and color weakness; and with the anti-shaking unit, laser shaking caused by hand shaking is reduced.

Description

technical field [0001] The invention belongs to the technical field of teaching tools, in particular to a laser pointer for multimedia teaching. technical background [0002] With the rapid development and popularization of computer technology, multimedia teaching has gradually replaced the previous traditional teaching mode, and multimedia teaching has become a trend of modern education. At present, all colleges and universities, primary and secondary schools have built multimedia teaching systems, and laser pointers are often used in multimedia teaching. The existing laser pointers have the functions of laser guidance and PPT page turning. The existing problems of the existing laser pointers are as follows: ① Existing laser pointers emit monochromatic lasers, most of which are red lasers. When the guided background color is the same or similar to the color light emitted by the laser pointer, it is difficult to distinguish the laser point from the background, especially for...

AI Technical Summary

Problems solved by technology

At present, all colleges and universities, primary and secondary schools have built multimedia teaching systems, and laser pointers are often used in multimedia teaching. The existing laser pointers have the functions of laser guidance and PPT page turning. The existing problems of the existing laser pointers are as follows: ① Existing laser pointers emit monochromatic lasers, most of which are red lasers. When the guided background color is the same or similar to the color light emitted by the laser pointer, it is difficult to distinguish the laser point from the background, especially for color blindness. It is more difficult for color-blind patients

②Because the hand holding the laser pointer will shake to varying degrees, the screen pointing point will shake accordingly, especially when the laser pointer is far away from the screen, the slight shaking of the laser pointer will cause the screen pointing point to shake obviously, affecting the indication Effect

③Although existing laser pointers have the function of turning pages in PPT, multimedia teaching is not limited to turning pages in PPT. When it is necessary to mark or view other electronic documents, you have to use the mouse to operate. The range of activities of teachers is limited, which affects the interaction between teachers and students

④Existing laser pointers include the laser pointer body, wireless receiver, and charger. The three exist independently, and it is easy to lose things. Especially the charger is inconvenient to carry. It often happens that the laser pointer can be charged but the charger cannot be found.

⑤Before carrying out multimedia teaching, teachers need to save the design teaching resources in the U disk. When teaching, insert the U disk into the USB socket of the computer, and also need to plug the wireless receiver into the USB socket of the computer, but the USB socket of the computer is limited , it often happens that there are no vacant USB sockets available

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