The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 22, 2011
Filed:
Nov. 06, 2007
Mikko Kohvakka, Tampere, FI;
Jukka Suhonen, Tampere, FI;
Marko Hännikäinen, Pirkkala, FI;
Timo D. Hämäläinen, Kangasala, FI;
Mikko Kohvakka, Tampere, FI;
Jukka Suhonen, Tampere, FI;
Marko Hännikäinen, Pirkkala, FI;
Timo D. Hämäläinen, Kangasala, FI;
Wirepas Oy, , FI;
Abstract
A node device () of a wireless sensor network comprises a receiver () for receiving transmissions from other nodes. A controller () selectively switches on said receiver () according to a timetable. The node device () maintains synchronization with and receives beacon transmissions from another node in said wireless sensor network. If a failure is observed in previously maintained synchronization, the controller () reads from memory previously received information about neighboring nodes with which said node device () did not yet maintain synchronization. The controller () utilizes such stored information to selectively switch on the receiver () to attempt receiving a beacon transmission from such a neighboring node.