Control mechanism for a crystal ball
US6762352B2 · kind B2 · utility
1Cited by
4References
2Claims
0Family size
Inventor
Key dates
| Filing date | Nov 20, 2002 |
| Grant date | Jul 13, 2004 |
| Priority date | — |
| Expiry date | Nov 20, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S10/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This invention provides a music/light synchronous control mechanism, comprising an overhead platform on a music bell, wherein said overhead platform has the first gear set driven by the shaft of said music bell, the second gear set driven by the spur gear in a music tumbler, a control mechanism, and a light contact switch mechanism. With the mechanic structure, this invention can control music and light to start/end them synchronously.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.