External power supply system for a lock comprising NFC-type contactless communication means
US8774714B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 28, 2010 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Dec 30, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C2009/00777
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The invention relates to a system comprising: a lock (10) provided with electronic circuits for transmission/reception via NFC and electric circuits for controlling mechanical locking/unlocking members, and a mobile phone (16) provided with circuits allowing same to operate in NFC mode. In addition, means are provided for transmitting power to the lock by means of remote power feeding (18) from the phone, such as to charge a buffer capacitor in order subsequently to provide power temporarily to the electronic and electric circuits of the lock while the lock is querying the NFC circuits of the phone in order to check the authorization of the person with the phone and to order to opening of the door.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.