Title:
キー及びロックデバイス
Document Type and Number:
Japanese Patent JP4906212
Kind Code:
B2
Abstract:
A key and lock device comprises a key and a standalone lock. The key has an electronic circuitry with a first memory and a contact. The lock has electronic circuitry with a memory, and a contact arranged to co-operate with the key's first contact. A blocking mechanism is adapted to block operation of the lock unless an authorized key is inserted in the lock. The memory of the key stores a public identification item of the key identifying a group of keys having identical mechanical codes. In the memory of the lock, there is provided a list of the public and secret identification items of authorized keys and a list of the public identification item of non-authorized keys. A key is authorized if the public and secret identification items are present in the list of authorized keys and the public identification item thereof is absent in the list of non-authorized keys.
Inventors:
Leaden, Inge
Norberg, Rolf
Magnusson, Bjorn
Sibonen, Hannu
Brenecke, Gudrun
Chanel, Christoph
Krun, Jurgen
Squid Bush, Bernd
Le Fevre, Arno
Norberg, Rolf
Magnusson, Bjorn
Sibonen, Hannu
Brenecke, Gudrun
Chanel, Christoph
Krun, Jurgen
Squid Bush, Bernd
Le Fevre, Arno
Application Number:
JP2001565481A
Publication Date:
March 28, 2012
Filing Date:
March 09, 2001
Export Citation:
Assignee:
ASSA ABLOY AB
International Classes:
E05B49/00; G07C9/00
Domestic Patent References:
| JP8199872A | ||||
| JP10184120A |
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Makoto Onda