Patent · US Active

Radio method for doors

US8310340B2 · kind B2 · utility

4Cited by

11References

21Claims

0Family size

Assignee

Feig Electronic GmbH · DE

Inventors

Axel Sikora · Heitersheim, DE
Eldor Walk · Heistenbach, DE

Key dates

Filing date	Jun 20, 2008
Grant date	Nov 13, 2012
Priority date	—
Expiry date	Sep 14, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH04B2001/71563
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A radio method for doors in the 2.4 GHz frequency band with operating channels, wherein a stationary unit is bidirectionally networked by means of a wireless radio connection with at least one battery-powered mobile unit and uses a frequency-hopping method, wherein channel hops are executed in a time raster between 0.625 ms and 10 ms, the channels used for the frequency-hopping method are adaptively selected, at least one complete communication cycle takes place on one channel within the time raster, the number of transmitted data is adapted to the useful data that must be transmitted, the synchronization for establishment of a connection between the stationary unit and the mobile unit takes place on a synchronization channel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.