发明申请
- 专利标题: UV depreciation sensor
- 专利标题(中): 紫外线折光传感器
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申请号: US10850173申请日: 2004-05-20
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公开(公告)号: US20050258762A1公开(公告)日: 2005-11-24
- 发明人: Pascal Beland , Stephanie Collins , Daniel Marian , Alain Richer
- 申请人: Pascal Beland , Stephanie Collins , Daniel Marian , Alain Richer
- 专利权人: OSRAM SYLVANIA INC.
- 当前专利权人: OSRAM SYLVANIA INC.
- 主分类号: H01J5/16
- IPC分类号: H01J5/16 ; H01J61/02 ; H01J61/35 ; H01K1/32 ; H01J17/16
摘要:
A lamp having a measurable ultra violet light emission and having thereon a first marking revealing at least the operating characteristics of said lamp and a second marking evidencing a change in characteristics in response to exposure to ultra violet emissions. In a preferred embodiment of the invention a symbol or other indicia is provided on the lamp as the second marking that fades in accordance with the number of hours the lamp is operating, thus providing an indication of the UV output of the lamp.
公开/授权文献
- US07486025B2 UV depreciation sensor 公开/授权日:2009-02-03
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