Sports advertising device for advertising and accurately counting steps by using light and shadow technology
An advertising device and technology, which is applied in the field of leisure sports, can solve the problems that it is inconvenient for users to choose and switch their own endorsement advertisements, inconvenient adjustment of advertising devices, and inconvenient adjustment of projection angle and range, etc.
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[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0036] see Figure 1-8, the present invention provides a technical solution: a sports advertising device that uses light and shadow technology to advertise and accurately counts steps, including a belt 1, a first female Velcro 2, a connecting sleeve 3, an insert 4, and a first child Velcro 5. The first sliding sleeve 6, the first rotating shaft 7, the mobile phone case 8, the second Velcro 9, the advertising device 10, the connection belt 11, the second female...
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