Title:
KEY MANAGEMENT SYSTEM
Document Type and Number:
Japanese Patent JP2019100157
Kind Code:
A
Abstract:
To perform an update on registration information for key management when a key management device is not connected to a network.SOLUTION: The present invention includes a key management server 50 connected via a network 100, and a plurality of key management devices 10, 20 and 30 that manage the lending, returning and storage status of a plurality of keys K and that transmit at least user information and history information to the key management server 50 via the network. The key management device 30 stores, when not connected to the network and registration information for key management is updated, the updated registration information for key management and history information at that time. The key management device 30 transmits those pieces of the information to the key management server 50 when connected to the network 100. The key management server 50 transmits, via the network 100, the updated registration information for key management to key management devices 10 and 20 other than a transmission source.SELECTED DRAWING: Figure 1
Inventors:
YAMAMOTO HIROSHI
HIRAI YASUHIRO
HIRAI YASUHIRO
Application Number:
JP2017235573A
Publication Date:
June 24, 2019
Filing Date:
December 07, 2017
Export Citation:
Assignee:
KUMAHIRA CO LTD
International Classes:
E05B19/00
Domestic Patent References:
| JP4795165B2 | 2011-10-19 | |||
| JPH03103582A | 1991-04-30 | |||
| JPH06167145A | 1994-06-14 | |||
| JP2016061114A | 2016-04-25 | |||
| JP2010277557A | 2010-12-09 | |||
| JP2017106296A | 2017-06-15 | |||
| JP2014091995A | 2014-05-19 |
Foreign References:
| DE102011080401A1 | 2012-02-09 |
Attorney, Agent or Firm:
Hiroshi Yamamoto
Makiko Iwamoto
Makiko Iwamoto