Methods, systems and apparatus for multi-purpose metering
US9055336B2 · kind B2 · utility
11Cited by
223References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 2014 |
| Grant date | Jun 9, 2015 |
| Priority date | — |
| Expiry date | May 19, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/029
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus for multi-purpose metering are disclosed. An example method includes transmitting a first discovery inquiry message in response to a wakeup timer expiration signal, disabling a media detection circuit of the portable device when a base unit responds to the discovery inquiry message, and enabling the media detection circuit of the portable device when the base unit response to the discovery inquiry message is absent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.