Title:
入退室管理システム
Document Type and Number:
Japanese Patent JP4006822
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a room entering-leaving control system, in which an electric lock cannot be released so far as a correct password number is not input to an electric-lock release means installed on the indoor side. SOLUTION: The room entering-leaving control system has an electric lock 3 mounted on the room entering-leaving door D of a room R1 and an electric- lock release means 2 being set up into the room R1 and releasing the electric lock 3 fitted to the room entering-leaving door D of the room R1. The electric- lock release means 2 has a plurality of operating keys, a plurality of the operating keys are operated properly, and the electric lock 3 fitted to the room entering-leaving door D of the room R1 is released when a password number input to a plurality of the operating keys and operated coincides with a password number releasing the electric lock 3 installed to the room entering-leaving door D.
Inventors:
Kazuaki Onishi
Application Number:
JP11252798A
Publication Date:
November 14, 2007
Filing Date:
April 22, 1998
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
International Classes:
E05B45/06; E05B49/00; G08B25/04
Domestic Patent References:
| JP3189795A | ||||
| JP1250575A | ||||
| JP4185879A | ||||
| JP53161192U | ||||
| JP10063961A | ||||
| JP8260780A | ||||
| JP9317272A | ||||
| JP1223279A | ||||
| JP3073369U |
Attorney, Agent or Firm:
Hiroyuki Nakai