发明名称 MULTI-CHANNEL ACCESS SYSTEM
摘要 PURPOSE:To improve the operability, the maintenance performance and the economy by connecting each monitor control radio equipment to a monitor controller prepared in common to each service area via a relay controller and a remote controller with a wired line. CONSTITUTION:When a connection request comes from a command station 31, a control station 1a of a service area 2a receives the request to select a speech channel S1 and informs the result to a command station 31 and each mobile station 41. The command station 31 and each mobile station 41 are switched simultaneously to the channel S1 and communication is implemented between these stations. Monitor control radio equipments 8a, 8b are connected to remote controllers 10a,10b in a monitor office 7 via relay controllers 9a, 9b when the remote control mode is selected by a wired line. A controller 5 attains central monitor and remote control of the system operating state of the control stations 1a,1b. A signal of the controller 5 controlling the control stations 1a,1b is sent to the remote controllers 10a, 10b and the wired line, and then sent to the equipments 8a, 8b via the controllers 9a, 9b and sent to the control stations 1a,1b in a radio line.
申请公布号 JPH03297230(A) 申请公布日期 1991.12.27
申请号 JP19900099819 申请日期 1990.04.16
申请人 MITSUBISHI ELECTRIC CORP 发明人 KAWABATA TAKASHI
分类号 H04B7/26;H04B17/00;H04W24/00;H04W84/08 主分类号 H04B7/26
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