发明授权
- 专利标题： CATV telephone system
- 专利标题（中）： 有线电视电话系统
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申请号： US535616申请日： 1995-09-28
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公开(公告)号： US5767895A公开(公告)日： 1998-06-16
- 发明人: Kenji Yashiro , Tetsuichiro Sasada
- 申请人： Kenji Yashiro , Tetsuichiro Sasada
- 申请人地址： JPX Tokyo-to
- 专利权人： Pioneer Electronic Corporation
- 当前专利权人： Pioneer Electronic Corporation
- 当前专利权人地址： JPX Tokyo-to
- 优先权： JPX6-268334 19941006
- 主分类号： H04J3/00
- IPC分类号： H04J3/00 ; H04M3/00 ; H04M11/06 ; H04N7/16 ; H04N21/2385 ; H04N21/426 ; H04N7/173
摘要：
A CATV telephone system includes a center device and a plurality of terminal devices connected by wired communication lines. The center device receives a request data from the terminal device, examines the frequency bands and the time slots currently occupied, allocates non-busy frequency bands and non-busy time slots to the transmission frequency band, the transmission time slot, the reception frequency band and the reception time slot, and notifies the allocation to the terminal device. Then, the terminal device transmits telephone data to the center device using the transmission frequency band and the transmission time slot designated by the center device, and receives telephone data from the center device using the reception frequency band and the reception time slot designated by the center device.
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