Master and slave toy vehicle pair
US6780077B2 · kind B2 · utility
62Cited by
49References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2002 |
| Grant date | Aug 24, 2004 |
| Priority date | — |
| Expiry date | Oct 29, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H30/04
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A toy vehicle combination includes a master toy vehicle and a slave toy vehicle. The master toy vehicle includes a transmitter configured to broadcast an IR tracking signal. The slave toy vehicle includes at least first and second directional IR receivers configured to receive the tracking signal from different directions around the slave toy vehicle and is configured to follow or evade the master toy vehicle, which is conventionally remotely controlled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.