Title:
SECURITY MAINTENANCE DEVICE
Document Type and Number:
Japanese Patent JP2978617
Kind Code:
B2
Abstract:
PURPOSE: To obtain a security maintenance device enabling both of a person on duty and a person out of duty to correspond to an event in accordance with the degree of abnormality generated in a ship.
CONSTITUTION: The security maintenance device consists of a portable unit carried by a person on duty and a body unit, and when the count value of a counter CN1 in the unit reaches a prescribed value, the 1st stage alarm AL1 is rung. When a reset button RB of the unit is depressed, a body side counter CN2 is reset through radio waves, and if the counter CN2 is not reset, the 2nd stage alarm AL2 is rung and the 3rd and 4th stage alarms AL3, AL4 are successively advanced in accordance with the unreset state of the counter CN2.
Inventors:
KATAYAMA MIZUHO
Application Number:
JP31761391A
Publication Date:
November 15, 1999
Filing Date:
December 02, 1991
Export Citation:
Assignee:
TOKI METSUKU KK
International Classes:
G08B23/00; G08B25/00; G08B25/10; G08B29/16; (IPC1-7): G08B25/00; G08B25/10
Domestic Patent References:
| JP2310700A |
Attorney, Agent or Firm:
Nao Okuyama (4 outside)