Title:
KEY OPERATION METHOD
Document Type and Number:
Japanese Patent JP2018164756
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an operation method of a key capable of improving security properties by maintaining convenience in which a number of people possess duplicate keys and can operate equipment and preventing setting of the duplicate keys from being changed fraudulently.SOLUTION: A key is operated. The key includes: a distribution stage for setting a locking/unlocking device of equipment to a second state by a distribution change key B when a distributor transfers the equipment to an application distributor; a key change stage for inserting an operation unlocking key C owned by the application distributor into a key insertion part of the locking/unlocking device in the second state, and setting a key pattern Y of the operation unlocking key C to the locking/unlocking device as a first state before the equipment is transferred from the distributor to the application distributor and the application distributor starts operation; an operation stage for unlocking the equipment by inserting the operation unlocking key C into the key insertion part of the locking/unlocking device set to be in the first state when the application distributor operates the equipment; and a re-distribution stage for setting the locking/unlocking device of the equipment to the second state by an operation change key D when the application distributor transfers the equipment to the distributor.SELECTED DRAWING: Figure 7
Inventors:
OGURA TOSHIO
YANAGI KANGO
YANAGI KANGO
Application Number:
JP2018134654A
Publication Date:
October 25, 2018
Filing Date:
July 18, 2018
Export Citation:
Assignee:
SANKYO CO
JOYCO SYSTEMS CORP
JOYCO SYSTEMS CORP
International Classes:
A63F7/02; E05B19/20
Domestic Patent References:
| JP6121112B2 | 2017-04-26 | |||
| JPH0415074A | 1992-01-20 | |||
| JP2005124849A | 2005-05-19 |