Magnetic propulsion toy system
US5974977A · kind A · utility
16Cited by
9References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1997 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Sep 29, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H18/10
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A magnetic propulsion toy system is provided having a track (11), a boost station (12) and a car (14) made of magnetic material. The boost station has control circuit (18) with a battery (19), a wire coil (21), a capacitor (22), a manual triggering switch (24), an automatic triggering switch (27) and a manual delay triggering switch (29). An infrared emitter/detector (28) is coupled to the automatic triggering switch and manual delay triggering switch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.