发明授权
- 专利标题: High pressure sodium discharge reflector lamp
- 专利标题(中): 高压钠放电反光灯
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申请号: US212811申请日: 1988-06-29
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公开(公告)号: US4939408A公开(公告)日: 1990-07-03
- 发明人: Ray G. Gibson, III
- 申请人: Ray G. Gibson, III
- 申请人地址: NY New York
- 专利权人: North American Philips Corp.
- 当前专利权人: North American Philips Corp.
- 当前专利权人地址: NY New York
- 主分类号: H01J5/50
- IPC分类号: H01J5/50 ; H01J61/82
摘要:
A high pressure sodium discharge reflector lamp having a blown glass outer envelope. The outer envelope contains a rare gas having a fill pressure slightly less than one atmosphere and a pressure at lamp operating temperature of approximately one atmosphere for implosion protection.