Electronic key system, and lock-side terminal and portable terminal employed in same
US9466162B2 · kind B2 · utility
5Cited by
0References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 22, 2011 |
| Grant date | Oct 11, 2016 |
| Priority date | — |
| Expiry date | Oct 10, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C2009/00865
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An electronic key system includes a lock-side terminal that is mounted in a locked object and capable of at least locking and unlocking the locked object, and a portable terminal capable of sending and receiving the electronic key to and from the lock-side terminal mounted in the locked object and the other portable terminals, and when receiving a request from the one portable terminal, the lock-side terminal generates the electronic key at random, and sends the randomly generated electronic key to the one portable terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.