发明授权
- 专利标题: Digital satellite telephone office
- 专利标题(中): 数字卫星电话局
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申请号: US323345申请日: 1981-11-20
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公开(公告)号: US4417335A公开(公告)日: 1983-11-22
- 发明人: Michael J. Kelly , Robert L. Lindsay , Alex W. Kobylar , David J. Stelte
- 申请人: Michael J. Kelly , Robert L. Lindsay , Alex W. Kobylar , David J. Stelte
- 申请人地址: IL Northlake
- 专利权人: GTE Automatic Electric Labs Inc.
- 当前专利权人: GTE Automatic Electric Labs Inc.
- 当前专利权人地址: IL Northlake
- 主分类号: H04Q11/04
- IPC分类号: H04Q11/04 ; H04J3/12
摘要:
A 4 KHz channel is used for communication between a processing unit associated with a satellite telephone office and a processing unit associated with a connected class 5 telephone office. A data link circuit is connected to the processing unit of the satellite office and operates to transmit data communications between the processing unit of the satellite office and the class 5 telephone office via the 4 KHz channel.
公开/授权文献
- US5547429A Auto-tensioner 公开/授权日:1996-08-20
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