Combined control lines for device cooling fans
US9020645B2 · kind B2 · utility
0Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2012 |
| Grant date | Apr 28, 2015 |
| Priority date | — |
| Expiry date | Jul 4, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K7/20209
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Described is a technology by which two or more air moving devices have some of their control lines combined, including a frequency control line from a controller. Along with the combined frequency control line, power voltage lines and ground lines and may be combined, with a separate sensing line for each air moving device. One or more couplers couples the combined lines to air moving device control circuitry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.