Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
FIRE AND GAS DETECTION SYSTEM HAVING BIDIRECTIONAL COMMUNICATION FUNCTION TO BE INSTALLED IN DANGEROUS REGION
Document Type and Number:
WIPO Patent Application WO/2015/122579
Kind Code:
A1
Abstract:
A fire and gas detection system, which has a bidirectional communication function and is to be installed in a dangerous region, according to the present invention, comprises: a first terminal block and a second terminal block; a + line and a - line; a first loop line wherein a part of a loop shape thereof is arranged to extend over a dangerous region having a relatively high dangerousness of disaster occurrence and the other part of the loop shape is arranged in a safe region other than the dangerous region, and a second loop line arranged in parallel to the first loop line in the same shape; a first connection line and a second connection line; a barrier which is installed in the first connection line and the second connection line and disconnects the first connection line and the second connection line when short-circuiting between the first loop line and the second loop line is detected; a sensor connected to the first loop line and the second loop line inside the dangerous region; and a CPU which simultaneously controls the first and second terminal blocks to modulate and output call information designating a sensor at a first voltage and demodulate detection information from a second voltage, and performs fire and gas detection warning processing in accordance with the demodulated detection information.

More Like This:
JP4189154Motorcycle anti-theft device installation structure
JP2005316884REMOTE WATCHING SYSTEM, AND IN-HOUSE DEVICE USED FOR REMOTE WATCHING SYSTEM
JP2003006770REMOTE CONFIRMATION DEVICE AND SYSTEM FOR LIVING ACTIVITY
Inventors:
KIM YEONG SOO (KR)
JUNG MIN WOO (KR)
Application Number:
PCT/KR2014/005755
Publication Date:
August 20, 2015
Filing Date:
June 27, 2014
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
B I IND CO LTD (KR)
International Classes:
G08B25/08; G08B17/06
Foreign References:
KR101311950B12013-09-26
JPH1166451A1999-03-09
JP2010027070A2010-02-04
KR101208843B12012-12-05
Attorney, Agent or Firm:
SESHIN PATENT & LAW FIRM (KR)
특허법인 세신 (KR)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: NEW NEPHROSELMIS SP. NOVEL STRAIN KGE2 AND METHOD FOR INCREASING FATTY ACID CONTENT WITHIN RELEVANT ...

Next Patent: CONTENTS SITUATION NOTIFICATION DEVICE USED IN APPARATUS PROVIDED WITH DIGITAL STORAGE DEVICE