Proximity responsive toy
US4272916A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 1979 |
| Grant date | Jun 16, 1981 |
| Priority date | — |
| Expiry date | Dec 6, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H30/04
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A wheel-supported figure toy in the form of a pup has a driving motor to propel it in a forward direction. Proximity sensors in the form of capacitor plates control operation of the motor. When a child's hand or the like approaches the rear of the figure, the capacitance of a first capacitor arrangement is changed and the motor is started and propels the figure forwardly for a predetermined time, then stops. If the hand is placed under the pup's chin, a second capacitor arrangement causes the pup to follow the hand. An RC network determines the time the motor is in operation by holding a monostable vibrator on, which keeps the motor running, after it is started, for the predetermined time interval. The toy also has a sounding device that operates when the figure is being propelled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.