Rapid demonstration device for probabilistic science

Rapid demonstration device for probabilistic science

The utility model discloses a rapid demonstration device for probabilitics, which relates to the technical field of teaching equipment and comprises a demonstration box, a perspective plate is arranged on the front surface of the demonstration box, a funnel plate is mounted in the demonstration box,...

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Hauptverfasser: WANG GE, CHAI HEPING
Format: Patent
Sprache:chi ; eng
Schlagworte:
ADVERTISING
APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE
CRYPTOGRAPHY
DIAGRAMS
DISPLAY
EDUCATION
EDUCATIONAL OR DEMONSTRATION APPLIANCES
GLOBES
PHYSICS
PLANETARIA
SEALS
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creator WANG GE
CHAI HEPING
description The utility model discloses a rapid demonstration device for probabilitics, which relates to the technical field of teaching equipment and comprises a demonstration box, a perspective plate is arranged on the front surface of the demonstration box, a funnel plate is mounted in the demonstration box, a plurality of small balls are arranged above the funnel plate, a ball outlet for the small balls to pass through is formed in the middle of the funnel plate, and a plurality of ball holes are formed in the middle of the funnel plate. A ball blocking rod is inserted into the ball outlet, a plurality of blocking columns are arranged below the funnel plate, a plurality of ball collecting grooves are formed below the blocking columns, flashboards are slidably inserted into the bottoms of the ball collecting grooves, infrared counting sensors are arranged on the inner walls of the ball collecting grooves, and a digital display screen is embedded in the front end of each flashboard. A controller is installed on the fro
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subjects ADVERTISING
APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE
CRYPTOGRAPHY
DIAGRAMS
DISPLAY
EDUCATION
EDUCATIONAL OR DEMONSTRATION APPLIANCES
GLOBES
PHYSICS
PLANETARIA
SEALS
title Rapid demonstration device for probabilistic science
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