Channel-switching remote controlled barrier opening system
US9483935B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2015 |
| Grant date | Nov 1, 2016 |
| Priority date | — |
| Expiry date | Feb 5, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C2009/00793
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An improved barrier door one way wireless communication system for operating a barrier, such as a garage door, includes the transmission and reception of multibit code hopping data packets in combination with automatic RF channel switching. Packet data is transmitted automatically on more than one RF channels in a switching style while sending two or more redundant multibit code hopping data packets on each of the RF channels. The system also provides for the learning of a transmitter to a receiver where two or more code hopping data packets must be received and decoded by the receiver on all RF channels before a transmitter can be learned to a receiver. Once the transmitter is learned, actuation of the transmitter during a learn mode can open a window for learning of a single channel transmitter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.