| US 7,602,744 B2 | ||
| Detection of a simultaneous occurrence of an event at a plurality of devices | ||
| Terho Kaikuranta, Piispanristi (Finland); and Jakke Mäkelä, Turku (Finland) | ||
| Assigned to Nokia Corporation, Espoo (Finland) | ||
| Filed on Sep. 09, 2004, as Appl. No. 10/938,866. | ||
| Prior Publication US 2006/0050669 A1, Mar. 09, 2006 | ||
| Int. Cl. H04W 4/00 (2006.01) | ||
| U.S. Cl. 370—328 [370/338; 370/313; 370/330; 370/335; 370/342; 370/343; 370/344; 370/445; 713/502; 713/178; 713/400; 713/600; 714/735; 714/736; 714/737] | 35 Claims |
| 1. A method comprising at a first electronic device:
detecting an event of a predetermined kind;
recording a time elapsing after detection of said event;
establishing a communication channel to at least one other electronic device
receiving from at least one other electronic device via said communication channel an indication of a time which has elapsed
after an event of said predetermined kind was detected at said at least one other electronic device; and
upon receipt of said indication from said at least one other electronic device determining whether said indicated elapsed
time is similar to said recorded elapsed time, a simultaneous occurrence of said event at said first electronic device and
at said at least one other electronic device being assumed to be given in case of similar indicated and recorded elapsed times.
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