发明授权
- 专利标题: Lightning protection
- 专利标题(中): 闪电防护
-
申请号: US10979658申请日: 2004-10-14
-
公开(公告)号: US07612975B1公开(公告)日: 2009-11-03
- 发明人: Ian Abraham , Keith Edwards , Mark Watkins
- 申请人: Ian Abraham , Keith Edwards , Mark Watkins
- 申请人地址: CA St. Laurent, Quebec
- 专利权人: Nortel Networks Limited
- 当前专利权人: Nortel Networks Limited
- 当前专利权人地址: CA St. Laurent, Quebec
- 代理机构: Barnes & Thornburg LLP
- 主分类号: H02H3/22
- IPC分类号: H02H3/22
摘要:
A power supply line for powering electronic equipment from a power supply remote from the electronic equipment, having a balanced differential power transmission path 31 connecting the power supply 32 to the electronic equipment 13 and at least one isolating transformer 33, 34 in the power supply line, for providing isolation from ground potential rise associated with lightning surge currents. The invention has particular application to a wireless communications tower having the isolated power supply line for powering masthead electronic equipment 13, and an isolated communications link 21 between the masthead electronic equipment and a network terminal 22.
信息查询