MASTER UNIT, AUTOMATIC FIRE ALARM SYSTEM, CONTROL METHOD, AND PROGRAM
To provide an automatic fire alarm system capable of constituting a system that is unlikely to cause problems.SOLUTION: A master unit 1 is connected to a slave device 2 via a pair of electric wires 31, 32. The master unit 1 includes a communication part 13 and a mode switching part 171. The communic...
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| creator | YOSHII TAKESHI TAKAHASHI HIDEAKI NAKAGAWA YOSHIAKI MATAYOSHI RYUJI |
| description | To provide an automatic fire alarm system capable of constituting a system that is unlikely to cause problems.SOLUTION: A master unit 1 is connected to a slave device 2 via a pair of electric wires 31, 32. The master unit 1 includes a communication part 13 and a mode switching part 171. The communication part 13 has a first communication function and a second communication function. The first communication function is a function of detecting a short circuit between the pair of electric wires 31 and 32 and receiving a fire report notifying the occurrence of a fire. The second communication function is a function of receiving an address for identifying the slave unit 2 by communicating with the slave unit 2 via the pair of electric wires 31 and 32. The mode switching part 171 switches the operation mode of the communication part 13 between a first mode in which a fire alarm is received from the slave unit 2 and a second mode in which the first communication function and the second communication function are valid.SELECTED DRAWING: Figure 1
【課題】不具合の発生しにくい自動火災報知システムを構築可能とする。【解決手段】親機１は、一対の電線３１，３２を介して子機２に接続される。親機１は、通信部１３とモード切替部１７１とを備える。通信部１３は、第１通信機能及び第２通信機能を有する。第１通信機能は、一対の電線３１，３２間の短絡を検知することで、火災の発生を通知する火災報を受信する機能である。第２通信機能は、一対の電線３１，３２を介して子機２と通信することで、子機２を識別するアドレスを受信する機能である。モード切替部１７１は、通信部１３の動作モードを、火災報を子機２から受信する第１モードと、第１通信機能及び第２通信機能が有効な第２モードと、で切り替える。【選択図】図１ |
| format | Patent |
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【課題】不具合の発生しにくい自動火災報知システムを構築可能とする。【解決手段】親機１は、一対の電線３１，３２を介して子機２に接続される。親機１は、通信部１３とモード切替部１７１とを備える。通信部１３は、第１通信機能及び第２通信機能を有する。第１通信機能は、一対の電線３１，３２間の短絡を検知することで、火災の発生を通知する火災報を受信する機能である。第２通信機能は、一対の電線３１，３２を介して子機２と通信することで、子機２を識別するアドレスを受信する機能である。モード切替部１７１は、通信部１３の動作モードを、火災報を子機２から受信する第１モードと、第１通信機能及び第２通信機能が有効な第２モードと、で切り替える。【選択図】図１</description><language>eng ; jpn</language><subject>ALARM SYSTEMS ; ORDER TELEGRAPHS ; PHYSICS ; SIGNALLING ; SIGNALLING OR CALLING SYSTEMS</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200206&DB=EPODOC&CC=JP&NR=2020021263A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200206&DB=EPODOC&CC=JP&NR=2020021263A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YOSHII TAKESHI</creatorcontrib><creatorcontrib>TAKAHASHI HIDEAKI</creatorcontrib><creatorcontrib>NAKAGAWA YOSHIAKI</creatorcontrib><creatorcontrib>MATAYOSHI RYUJI</creatorcontrib><title>MASTER UNIT, AUTOMATIC FIRE ALARM SYSTEM, CONTROL METHOD, AND PROGRAM</title><description>To provide an automatic fire alarm system capable of constituting a system that is unlikely to cause problems.SOLUTION: A master unit 1 is connected to a slave device 2 via a pair of electric wires 31, 32. The master unit 1 includes a communication part 13 and a mode switching part 171. The communication part 13 has a first communication function and a second communication function. The first communication function is a function of detecting a short circuit between the pair of electric wires 31 and 32 and receiving a fire report notifying the occurrence of a fire. The second communication function is a function of receiving an address for identifying the slave unit 2 by communicating with the slave unit 2 via the pair of electric wires 31 and 32. The mode switching part 171 switches the operation mode of the communication part 13 between a first mode in which a fire alarm is received from the slave unit 2 and a second mode in which the first communication function and the second communication function are valid.SELECTED DRAWING: Figure 1
【課題】不具合の発生しにくい自動火災報知システムを構築可能とする。【解決手段】親機１は、一対の電線３１，３２を介して子機２に接続される。親機１は、通信部１３とモード切替部１７１とを備える。通信部１３は、第１通信機能及び第２通信機能を有する。第１通信機能は、一対の電線３１，３２間の短絡を検知することで、火災の発生を通知する火災報を受信する機能である。第２通信機能は、一対の電線３１，３２を介して子機２と通信することで、子機２を識別するアドレスを受信する機能である。モード切替部１７１は、通信部１３の動作モードを、火災報を子機２から受信する第１モードと、第１通信機能及び第２通信機能が有効な第２モードと、で切り替える。【選択図】図１</description><subject>ALARM SYSTEMS</subject><subject>ORDER TELEGRAPHS</subject><subject>PHYSICS</subject><subject>SIGNALLING</subject><subject>SIGNALLING OR CALLING SYSTEMS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHD1dQwOcQ1SCPXzDNFRcAwN8fd1DPF0VnDzDHJVcPRxDPJVCI4EqvDVUXD29wsJ8vdR8HUN8fB3ASr2c1EICPJ3D3L05WFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8V4BRgZGBgZGhkZmxo7GRCkCALyYLCA</recordid><startdate>20200206</startdate><enddate>20200206</enddate><creator>YOSHII TAKESHI</creator><creator>TAKAHASHI HIDEAKI</creator><creator>NAKAGAWA YOSHIAKI</creator><creator>MATAYOSHI RYUJI</creator><scope>EVB</scope></search><sort><creationdate>20200206</creationdate><title>MASTER UNIT, AUTOMATIC FIRE ALARM SYSTEM, CONTROL METHOD, AND PROGRAM</title><author>YOSHII TAKESHI ; TAKAHASHI HIDEAKI ; NAKAGAWA YOSHIAKI ; MATAYOSHI RYUJI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2020021263A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2020</creationdate><topic>ALARM SYSTEMS</topic><topic>ORDER TELEGRAPHS</topic><topic>PHYSICS</topic><topic>SIGNALLING</topic><topic>SIGNALLING OR CALLING SYSTEMS</topic><toplevel>online_resources</toplevel><creatorcontrib>YOSHII TAKESHI</creatorcontrib><creatorcontrib>TAKAHASHI HIDEAKI</creatorcontrib><creatorcontrib>NAKAGAWA YOSHIAKI</creatorcontrib><creatorcontrib>MATAYOSHI RYUJI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YOSHII TAKESHI</au><au>TAKAHASHI HIDEAKI</au><au>NAKAGAWA YOSHIAKI</au><au>MATAYOSHI RYUJI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MASTER UNIT, AUTOMATIC FIRE ALARM SYSTEM, CONTROL METHOD, AND PROGRAM</title><date>2020-02-06</date><risdate>2020</risdate><abstract>To provide an automatic fire alarm system capable of constituting a system that is unlikely to cause problems.SOLUTION: A master unit 1 is connected to a slave device 2 via a pair of electric wires 31, 32. The master unit 1 includes a communication part 13 and a mode switching part 171. The communication part 13 has a first communication function and a second communication function. The first communication function is a function of detecting a short circuit between the pair of electric wires 31 and 32 and receiving a fire report notifying the occurrence of a fire. The second communication function is a function of receiving an address for identifying the slave unit 2 by communicating with the slave unit 2 via the pair of electric wires 31 and 32. The mode switching part 171 switches the operation mode of the communication part 13 between a first mode in which a fire alarm is received from the slave unit 2 and a second mode in which the first communication function and the second communication function are valid.SELECTED DRAWING: Figure 1
【課題】不具合の発生しにくい自動火災報知システムを構築可能とする。【解決手段】親機１は、一対の電線３１，３２を介して子機２に接続される。親機１は、通信部１３とモード切替部１７１とを備える。通信部１３は、第１通信機能及び第２通信機能を有する。第１通信機能は、一対の電線３１，３２間の短絡を検知することで、火災の発生を通知する火災報を受信する機能である。第２通信機能は、一対の電線３１，３２を介して子機２と通信することで、子機２を識別するアドレスを受信する機能である。モード切替部１７１は、通信部１３の動作モードを、火災報を子機２から受信する第１モードと、第１通信機能及び第２通信機能が有効な第２モードと、で切り替える。【選択図】図１</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALARM SYSTEMS ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS |
| title | MASTER UNIT, AUTOMATIC FIRE ALARM SYSTEM, CONTROL METHOD, AND PROGRAM |
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