INTRUSION MONITORING DEVICE - HITACHI BUILDING SYST CO LTD

Title:

INTRUSION MONITORING DEVICE

Document Type and Number:

Japanese Patent JPH1074291

Kind Code:

A

Abstract:

To clearly discriminate whether or not the operations of the respective kinds of sensors are by an intruder by utilizing a fact that the opening/closing operation of a door and a criminal act performed inside a burglar prevention area are almost continuously detected in two detection means.

At the time of receiving signals for indicating the presence of a heat generating object detected by thermosensitive sensors 12r1-12r2, a control part 2B performs the alert reporting processing of displaying a message for arousing an alert at a display device 2E or the like and starts the counting of attention time by a counter 2D. Then, in the case of receiving the signals for indicating the opening of gateways such as a door D1 and windows W1-W3, etc., detected by a door sensor 11r and window sensors 11r1-11r2 before the counter 2D completes the counting of the attention time, that is clocking, the control part 2B performs the emergency reporting processing of displaying the message for arousing 110 dial reporting at the display device 2E or the like.

Inventors:

AOKI YOSHITSUGU
YAMAGUCHI KATSUMI
SAKAKIBARA TSUTOMU
MIURA KIYOSHIGE
KOYAMA TAKAYUKI
SAKAMOTO JUNICHI

Application Number:

JP23098196A

Publication Date:

March 17, 1998

Filing Date:

August 30, 1996

Export Citation:

Click for automatic bibliography generation Help

Assignee:

HITACHI BUILDING SYST CO LTD
CENTRAL KEIBI HOSHO KK

International Classes:

G08B15/00; G08B25/00; G08B25/04; (IPC1-7): G08B15/00; G08B25/00; G08B25/04

Attorney, Agent or Firm:

Kenjiro Take (1 person outside)

Previous Patent: SECURITY DOOR SYSTEM FOR ROOM ENTRANCE/EXIT AND CONTROLLER THEREFOR

Next Patent: DISASTER PREVENTION RECEIVER