Control system for a child swing
US9370259B1 · kind B1 · utility
2Cited by
24References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2014 |
| Grant date | Jun 21, 2016 |
| Priority date | — |
| Expiry date | Dec 4, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47D13/105
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A control system for a child swing that comprises a drive mechanism that includes a motor configured to impart torque to the at least one swing arm so that a child seat moves in an arcuate path. A phase control subsystem generates a motor drive signal configured to maintain a desired lead angle between a phase of the drive mechanism and a phase of the swing arm. An amplitude control subsystem configured to steer the phase control subsystem based on a correlation of an actual height of the child seat to a selected height of the child seat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.