| 摘要 |
The system utilizes an apparatus which comprises a plurality of orderly arranged housings having each of them a series of contacts which are complementary with other contacts provided in independent physical elements insertable into said housings. These are explored sequentially, generating a sound or musical note as a function of the external inserted element which is provided with a characteristic code. The external elements can be provided with lighting means either in the form of a lamp or the like inserted in the correct position of the note in a pentagram or in the form of diffuse light, the note and pentagram being visualised in counterlight. It is possible to determine the duration of the coded note either through an added element insertable to the external element or by inserting an additional external element. Finally, a plurality of these basic systems (1), (2) can be interconnected in series, in parallel or combined between each others for their sequential or simultaneous operation.
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