Electric timer for controlling power to a fan
US8441155B2 · kind B2 · utility
5Cited by
21References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2009 |
| Grant date | May 14, 2013 |
| Priority date | — |
| Expiry date | Sep 21, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04G15/006
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A fan controller that is capable of switching power to a fan between an “on” state and an “off” state in accordance with one or more programmable schedule. In some cases, fan controller may be programmed to display one or more screens for setting one or more parameters of the fan controller by interacting with a first button and/or a second button. In some cases, when the controller is in an operating mode, depressing a first button, second button, and/or a third button may temporarily override the programmable schedule and, in some cases, override the programmable schedule for a programmable period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.