# US 2012/0073837 A1 · Fire extinguishing gas emission control apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2012/0073837 A1 - Document ID: US20120073837A1 - Status: Published application - Kind: A1 - Application number: 13/235,702 - Filed: 2011-09-19 - Published: 2012-03-29 - Earliest claimed: 2010-09-28 - Assignees: Chang Sung Ace Co., Ltd. - Inventors: Yeu Yong LEE - Web page: https://patentgrep.com/patent/US20120073837A1 ## CPC - A62C 35/00: Permanently-installed equipment (A62C31/00, A62C33/00, A62C37/00 take precedence; for forming water curtains A62C2/08) - A62C 37/10: Releasing means, e.g. electrically released - A62C: FIRE-FIGHTING (fire-extinguishing compositions, use of chemical substances in extinguishing fires A62D1/00; spraying, applying liquids or other fluent materials to surfaces in general B05; alarm arrangements G08B, e.g. fire alarms actuated by smoke or gases G08B17/10) ## Abstract Disclosed herein is a fire extinguishing gas emission control apparatus for a protected area. The fire extinguishing gas emission control apparatus includes a mode conversion unit, and a control unit. The mode conversion unit includes a stop switch capable of selecting an on-mode used to prevent fire extinguishing gas from being emitted into the protected area or an off-mode used to allow the fire extinguishing gas to be emitted into the protected area. The control unit performs control such that the interlock circuit unit of the gas fire extinguishing equipment apparatus is put in on or off-mode based on the on or off-mode of the stop switch. The mode conversion unit further includes a Radio Frequency (RF) card recognition unit capable of recognizing an RF card in which the ID of a passer-by who enters the protected area is stored. ## Claims ### Claim 1 A fire extinguishing gas emission control apparatus for a protected area, the fire extinguishing gas emission control apparatus controlling whether to prevent fire extinguishing gas from being emitted using an interlock circuit unit of a gas fire extinguishing equipment apparatus, the fire extinguishing gas emission control apparatus comprising: a mode conversion unit configured to include a stop switch capable of selecting an on-mode used to prevent fire extinguishing gas from being emitted into the protected area or an off-mode used to allow the fire extinguishing gas to be emitted into the protected area; and a control unit configured to perform control such that the interlock circuit unit of the gas fire extinguishing equipment apparatus is put in on or off-mode based on the on or off-mode of the stop switch; and wherein the mode conversion unit further comprises a Radio Frequency (RF) card recognition unit capable of recognizing an RF card in which an ID of a passer-by who enters the protected area is stored; wherein the control unit is connected to an entrance/exit information server including a passer-by information DB for storing ID information of passers-by who have permission to enter the protected area, and is configured to perform control such that the mode of the interlock circuit unit of the gas fire extinguishing equipment apparatus is put in the on-mode status based on the on-mode of the stop switch only when an ID of a passer-by, which was recognized by the RF card recognition unit, is identical to that of the passer-by information DB; and wherein the control unit transmits information about the on or off-mode status of the interlock circuit unit of the gas fire extinguishing equipment apparatus and the ID information of the passer-by, which was recognized by the RF card recognition unit, to a control server of a disaster prevention center that manages fire protection status for the protected area. ### Claim 2 (depends on 1) The fire extinguishing gas emission control apparatus as set forth in claim 1, wherein: the mode conversion unit further comprises a timer capable of inputting a time that the on-mode status of the stop switch is maintained when the on-mode of the stop switch is selected; and the control unit performs control such that the on-mode status of the interlock circuit unit of the gas fire extinguishing equipment apparatus is maintained only for a time which was input to the timer. ### Claim 3 (depends on 2) The fire extinguishing gas emission control apparatus as set forth in claim 2, further comprising a warning unit which comprises a first lamp for displaying that the interlock circuit unit of the gas fire extinguishing equipment apparatus is in on-mode status using the control unit. ### Claim 4 (depends on 3) The fire extinguishing gas emission control apparatus as set forth in claim 3, wherein the warning unit further comprises a first counter for displaying a time that the interlock circuit unit of the gas fire extinguishing equipment apparatus will be maintained in the on-mode status. ### Claim 5 (depends on 1) The fire extinguishing gas emission control apparatus as set forth in claim 1, further comprising a wireless communication unit; and wherein the control unit may wirelessly transmit a signal, related to information about the on or off-mode status of the interlock circuit unit of the gas fire extinguishing equipment apparatus, and a signal, related to the ID information of the passer-by that was recognized by the RF card recognition unit, to the control server of the disaster protection center, the control server being connected to a wireless communication module. ### Claim 6 (depends on 1) The fire extinguishing gas emission control apparatus as set forth in claim 1, further comprising an intercom capable of performing communication with the disaster protection center by means of a human voice. ### Claim 7 (depends on 1) The fire extinguishing gas emission control apparatus as set forth in claim 1, wherein the control unit performs control such that the status of each of the stop switch and the interlock circuit unit of the gas fire extinguishing equipment apparatus is switched from the on-mode status back to the off-mode status when an RF card, recognized by the RF card recognition unit and being carried by the passer-by who entered the protected area, is recognized by the RF card recognition unit again. ### Claim 8 (depends on 1) The fire extinguishing gas emission control apparatus as set forth in claim 1, wherein the control unit, when there are a plurality of RF cards which were recognized by the RF card recognition unit and were being carried by passers-by who entered the protected area, performs control such that the status of each of the stop switch and the interlock circuit unit of the gas fire extinguishing equipment apparatus is switched from the on-mode status back to the off-mode status only when all of the RF cards, which were recognized by the RF card recognition unit and were being carried by passers-by who entered the protected area, were recognized by the RF card recognition unit again.