发明名称 MAINTENANCE PHONE FOR FIRE ALARM FACILITIES
摘要 PROBLEM TO BE SOLVED: To acquire a maintenance phone for fire alarm facilities where an improvement has been achieved in operability on installation and maintenance. SOLUTION: The maintenance phone for fire alarm facilities is connected to a phone jack (female detachable connector) that is for communication between a fire notification receiver 10 and a terminal apparatus 20 connected therebetween via a phone line and is provided for each. The maintenance phone is provided with: a phone plug 35 (male detachable connector) allowing connection with the fire notification receiver or the terminal apparatus by insertion into the phone jack (female detachable connector); a first speaker 33a and a first microphone 34a for handsfree communication; a second speaker 33b and a second microphone 34b for handset communication; and a hook switch 37 (communication switch) for selecting and switching whether to perform handsfree communication via the first speaker and the first microphone or to perform handset communication via the second speaker and the second microphone. COPYRIGHT: (C)2011,JPO&INPIT
申请公布号 JP2010231581(A) 申请公布日期 2010.10.14
申请号 JP20090079373 申请日期 2009.03.27
申请人 NOHMI BOSAI LTD 发明人 HISHINO KOICHI;YAMAMOTO TAKAYUKI
分类号 G08B17/00;H04M1/00;H04M1/76 主分类号 G08B17/00
代理机构 代理人
主权项
地址