Novel multimedia classroom pointer

The utility model relates to the technical field of teaching aids, and discloses a novel multimedia classroom pointer which comprises a shell, a page button is arranged at the top of one side of the front of the shell, a color button located below the page button is arranged on one side of the front...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LI SHULIANG, ZHANG ZHIRONG, WAN TIANHU
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model relates to the technical field of teaching aids, and discloses a novel multimedia classroom pointer which comprises a shell, a page button is arranged at the top of one side of the front of the shell, a color button located below the page button is arranged on one side of the front of the shell, a clamping sleeve is arranged at the top of one side of the back of the shell, and around opening is formed in the top of an inner cavity of the shell. The utility model discloses a novel multimedia classroom pointer. The rotary drum and the color button are arranged; the rotating drum is rotated to drive the rotating plate in the rotating drum to rotate; the limiting block limits the rotating direction of the rotating plate; when the rotary drum rotates, the rotary plate performs opening and closing movement; a round opening is formed in the middle of each rotating plate; the rotary drum is rotated to change the size of the round opening, so that the size of a channel through which laser passes in t