Scale indicator for a keyboard instrument
US6348649B1 · kind B1 · utility
Inventors
Key dates
| Filing date | Feb 21, 2001 |
| Grant date | Feb 19, 2002 |
| Priority date | — |
| Expiry date | Feb 21, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B15/02
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A scale indicator has a key selecting device and multiple illuminating devices. The key selecting device is arranged on the keybed of the keyboard. The player can use the key selecting device to choose the musical key for the music that he or she wants to play. Each illuminating device is electrically connected to the key selecting device and corresponds to one of the keys of the keyboard instrument. The illuminating devices will show a note for the corresponding key after the player sets the key selecting device to a desired musical key. This can show the player the notes to which the keys of the keyboard respectively corresponded. To learn the keyboard instrument becomes easier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.