Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 6031171 | Performance data analyzer A performance data analyzer wherein a plurality of pitch name lines each comprised of essential pitch names characterizing each of plural tonalities are memorized and wherein one of the memorized pitch name lines at least a portion of which is included in... | 02/29/2000 |
| 4939975 | Electronic musical instrument with pitch alteration function The present electronic musical instrument can apply to various electronic musical instruments, such as an electronic wind instrument, electronic keyboard instrument and electronic string instrument. Pitch alteration width data with a predetermined pitch d... | 07/10/1990 |
| 4233875 | Electronic musical instrument with automatic trill performance function An electronic musical instrument comprises a keyboard circuit providing a pitch determining voltage signal whose magnitude corresponds to the note of a key depressed, a rectangular wave generation circuit generating a rectangular wave voltage signal, and ... | 11/18/1980 |
