Title:
【発明の名称】侵入者検知システム
Document Type and Number:
Japanese Patent JPS63502228
Kind Code:
A
Abstract:
An intrusion detector has a first sensor for monitoring a first condition and a second sensor for monitoring a second condition in a space to be protected against intrusion; a change in the condition sensed by the first sensor in a target area causes the second sensor to be aligned with the same target area; and if both sensors indicate a change in the respective conditions that they monitor an intrusion is indicated.
Inventors:
Maddox, James F
Kadnov, Mark Bee
George Second, Robert Warren
Went, Roger A
Kadnov, Mark Bee
George Second, Robert Warren
Went, Roger A
Application Number:
JP50011388A
Publication Date:
August 25, 1988
Filing Date:
May 12, 1987
Export Citation:
Assignee:
Denning Mobile Robotics, Inc.
International Classes:
G08B13/18; G06T9/00; G08B13/00; G08B13/16; G08B13/22; G08B13/24; G08B19/00; (IPC1-7): G08B13/18; G08B13/22; G08B19/00
Domestic Patent References:
| JPS5923880B2 | 1984-06-05 |
Other References:
PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON ELECTROSTATIC PRECIPITATION=S60
Attorney, Agent or Firm:
Masatake Shiga (2 outside)