Electronic musical instrument of waveshape memory reading type
US4176577A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 27, 1977 |
| Grant date | Dec 4, 1979 |
| Priority date | — |
| Expiry date | Oct 27, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S84/09
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
In an electronic musical instrument comprising a keyboard including a plurality of keys, a frequency information memory device for storing frequency informations corresponding to respective keys, a plurality of musical tone forming means including a waveshape memory device for forming musical tones in response to the output of the frequency information memory device, and a shift circuit interposed between the frequency information memory device and the musical tone forming means for effecting a footage change of an octave unit, there is provided a preset circuit for applying a plurality of preset footage signals to the shift circuit and for applying another preset signals which are necessary to form musical tones to the musical tone forming means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.