JP4179153B2 - 高圧水銀ランプ - Google Patents
高圧水銀ランプ Download PDFInfo
- Publication number
- JP4179153B2 JP4179153B2 JP2003412666A JP2003412666A JP4179153B2 JP 4179153 B2 JP4179153 B2 JP 4179153B2 JP 2003412666 A JP2003412666 A JP 2003412666A JP 2003412666 A JP2003412666 A JP 2003412666A JP 4179153 B2 JP4179153 B2 JP 4179153B2
- Authority
- JP
- Japan
- Prior art keywords
- sealing tube
- reflector
- tube portion
- heat capacity
- pressure mercury
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Projection Apparatus (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
2 照明光学系
3 表示部
4 投射光学系
10 発光管
11 発光部
12A 外径の小さい封止管部
13A 外径の大きい封止管部
12B 肉厚の小さい封止管部
13B,肉厚の大きい封止管部
14,15 導電ステム
16,17 電極
18 口金
19 インシュレータ
20 リフレクタ
21 開口部
22 セメント
Claims (3)
- 高圧水銀発光管と、前記高圧水銀発光管を固定支持するリフレクタとを備え、前記高圧水銀発光管は、ほぼ球状をした発光部と、前記発光部の両端から両外方向に延長される一対の封止管部と、前記各封止管部を内挿されそれぞれの先端が前記発光部内で対向配置される一対の電極とを備え、前記一対の封止管部の一方が前記リフレクタに固定されている高圧水銀ランプにおいて、前記リフレクタに固定された一方の封止管部の熱容量を他方の封止管部の熱容量よりも小さくし、当該一方の封止管部の熱容量に前記リフレクタの熱容量を加えた熱容量が他方の封止管部の熱容量にほぼ等しくなるように構成したことを特徴とする高圧水銀ランプ。
- 前記一方の封止管部の外径寸法を他方の封止管部の外径寸法よりも小さくしたことを特徴とする請求項1に記載の高圧水銀ランプ。
- 前記一方の封止管部の肉厚寸法を他方の封止管部の肉厚寸法よりも小さくしたことを特徴とする請求項1に記載の高圧水銀ランプ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003412666A JP4179153B2 (ja) | 2003-12-11 | 2003-12-11 | 高圧水銀ランプ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003412666A JP4179153B2 (ja) | 2003-12-11 | 2003-12-11 | 高圧水銀ランプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005174723A JP2005174723A (ja) | 2005-06-30 |
JP4179153B2 true JP4179153B2 (ja) | 2008-11-12 |
Family
ID=34733005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003412666A Expired - Fee Related JP4179153B2 (ja) | 2003-12-11 | 2003-12-11 | 高圧水銀ランプ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4179153B2 (ja) |
-
2003
- 2003-12-11 JP JP2003412666A patent/JP4179153B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005174723A (ja) | 2005-06-30 |
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