Music keyboard type step ladder

Abstract

The invention discloses a music keyboard type step ladder. The music keyboard type step ladder is made of wood, cement prefabricated parts, metal, plastic and the like, and is composed of ladder keys(1), a rotating shaft (2), a normally open contact (3), a return spring (4), an electronic organ circuit (5), a music sound synthesizer (6), a large-scale integrated circuit (7), a power amplifier (8), a loudspeaker (9), function buttons (10), input interfaces (11), output interfaces (12), a flat cable harness (13) and a power supply (14); and when persons walk on the step ladder, the music soundof a musical instrument can be emitted, and the music keyboard type step ladder is suitable for amusement places, parks, public places and the like. The music keyboard type step ladder has the beneficial effects that novel amusement facilities are added to the amusement places and the parks, the difficulty mood of the crawling ladder persons is reduced when the crawling ladder persons need to walkfrom the low place to the high place in the parks and the public places, ladder climbing is completed in the process of full interestingness and entertainment, office workers sitting in offices for along time lack exercise, and the office workers are willing to arrive at destinations through the exercise of the interesting music keyboard type ladder on roads through which the office workers mustpass.

Description

technical field [0001] The invention relates to a step ladder capable of emitting musical sounds, in particular to a music key type step ladder. Background technique [0002] The existing step ladder is made of wood, cement prefabricated parts, metal, plastic, etc. It can be used for people to walk from a low place to a high place, but it lacks interest and entertainment. The feeling of "tired", "effortless" and "difficult", the keys of piano-type instruments such as pianos and keyboards (also known as keyboards) are shaped like step ladders, but they can play wonderful music. Contents of the invention [0003] In the present invention, the step ladder is designed as the structure of the keyboard of an electronic musical instrument, and the moving contact below the keyboard is electrically connected to the circuit of the electronic organ, and the power supply is connected. When a person walks on the step ladder, the musical sound of the musical instrument can be emitted. ...

AI Technical Summary

Problems solved by technology

[0002] The existing step ladder is made of wood, cement prefabricated parts, metal, plastic, etc. It can be used for people to walk from a low place to a high place, but it lacks interest and entertainment. The feeling of "tired", "struggling" and "difficult". The keys of piano-type instruments such as pianos and keyboards (also known as keyboards) are shaped like step ladders, but they can play wonderful music.

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