Portable projection device for marketing

Abstract

The invention discloses a portable projection device for marketing. The device comprises an installing plate, four corners of the installing plate are provided with installing holes, one ends of connecting rods are connected in the installing holes at the four corners of the installing plate through rotating shafts, the other ends of the connecting rods are connected with fixed corners through therotating shafts, the back of the installing plate is provided with a protective housing in a cooperative manner through buckles, the middle position of the upper end of the protective housing is provided with an opening, the opening at the upper end of the protective housing is provided with a protection cover through the rotating shaft, the internal part of the protection cover is fixedly provided with a reflecting plate, the internal part of the protection cover, corresponding to the position of the opening, is fixedly provided with a projector, and two sides of the projector are fixedly provided with a wireless network adapter, a signal converter, a central processor and a data memory. According to the portable projection device for marketing, the size is small, the carrying is convenient, the projection device can be used with the combination of a mobile phone, various data transmission modes are provided, and the installation and the usage are facilitated.

Description

technical field [0001] The invention relates to the technical field of projection equipment, in particular to a portable projection device for marketing. Background technique [0002] A projector, also known as a projector, is a device that can project images or videos onto a screen. It can be connected to a computer, VCD, DVD, BD, game console, DV, etc. through different interfaces to play the corresponding video signal. Projectors are widely used in homes, offices, schools and entertainment venues. In the marketing process, because people often need to display documents, and the location of the display is uncertain, it is necessary to move the projection equipment frequently. However, the existing projection equipment is large in size. , It is difficult to adjust, which is not conducive to carrying and quick installation and use. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide...

AI Technical Summary

Problems solved by technology

[0002] A projector, also known as a projector, is a device that can project images or videos onto a screen. It can be connected to a computer, VCD, DVD, BD, game console, DV, etc. through different interfaces to play the corresponding video signal. Projectors are widely used in homes, offices, schools and entertainment venues. In the marketing process, because people often need to display documents, and the location of the display is uncertain, it is necessary to move the projection equipment frequently. However, the existing projection equipment is large in size. , Difficult to adjust, not conducive to carrying and quick installation and use

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