基本信息:
- 专利标题： Announcements broadcast system and a transmitter for its
- 申请号：JP2006017274 申请日：2006-01-26
- 公开(公告)号：JP4712568B2 公开(公告)日：2011-06-29
- 发明人： 一浩 増澤
- 申请人： ホーチキ株式会社
- 专利权人： ホーチキ株式会社
- 当前专利权人： ホーチキ株式会社
- 优先权： JP2006017274 2006-01-26
- 主分类号： H04H1/00
- IPC分类号： H04H1/00 ; H04H20/02 ; H04H20/12 ; H04H20/26 ; H04H20/59 ; H04H20/71 ; H04H20/79 ; H04N7/16 ; H04N21/61
摘要：
PROBLEM TO BE SOLVED: To provide an announcement broadcast system capable of carrying out an announcement broadcast even when a transmission line is broken and to provide a transmission apparatus for the system. SOLUTION: The announcement broadcast system 1 configured by interconnecting a center apparatus 10 for transmitting an announcement broadcast signal and receivers 20 for receiving the announcement broadcast signal via the transmission line 42, includes: a disaster prevention wireless master station 50 for wirelessly transmitting an announcement broadcast signal; a disaster prevention wireless slave station 60 for receiving the announcement broadcast signal wirelessly transmitted from the disaster prevention wireless master station 50; and a transmission apparatus 70 for transmitting the announcement broadcast signal received by the disaster prevention wireless slave station 60 via the transmission line 42. COPYRIGHT: (C)2007,JPO&INPIT