Teaching device for stereoscopic world map model

The utility model discloses a teaching device for a stereoscopic world map model. A large number of switches are arranged on the unfolded stereoscopic world map model according to different geographic locations, the wires of the switches are connected with a main control chip, the main control chip...

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Bibliographic Details
Main Author QI ZONGHUA
Format Patent
LanguageChinese
English
Published 26.05.2010
Subjects
ADVERTISING
APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE
CRYPTOGRAPHY
DIAGRAMS
DISPLAY
EDUCATION
EDUCATIONAL OR DEMONSTRATION APPLIANCES
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
GLOBES
PHYSICS
PLANETARIA
SEALS
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Summary:The utility model discloses a teaching device for a stereoscopic world map model. A large number of switches are arranged on the unfolded stereoscopic world map model according to different geographic locations, the wires of the switches are connected with a main control chip, the main control chip is respectively connected with a voice chip, a main control chip U2 and a main control chip U3, the voice chip is connected with a power amplifier, the output of the power amplifier is sent to a speaker, and the main control chip U2 and the main control chip U3 are connected with LED indicator lights. The utility model has the following advantages that: (1) the teaching device can automatically narrate by voice according to the content randomly chosen by a user, coupled with corresponding light display; (2) the structure is simple, and the cost is low.
Bibliography:Application Number: CN20092207965U