JPS6414857A - Low voltage mercury lamp - Google Patents
Low voltage mercury lampInfo
- Publication number
- JPS6414857A JPS6414857A JP17052687A JP17052687A JPS6414857A JP S6414857 A JPS6414857 A JP S6414857A JP 17052687 A JP17052687 A JP 17052687A JP 17052687 A JP17052687 A JP 17052687A JP S6414857 A JPS6414857 A JP S6414857A
- Authority
- JP
- Japan
- Prior art keywords
- plate
- back plate
- divisional
- window
- window plate
- 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.)
- Granted
Links
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
PURPOSE:To unify luminous intensity providing the flat type window plate of an electrically insulation material having high permeability, a back plate in parallel to the window plate, a divisional plate between the window plate and back plate, and a cooling medium on the external surface of the back plate. CONSTITUTION:A window plate 1 of square flat shape and a back plate 2 are connected to each other in such a way that a space between the peripheral edges thereof are air-tight via the external part 3a of a divisional plate 3, thereby forming an air- tight space between said window plate 1 and back plate 2. This air-tight space is divided with the divisional part 3b of the divisional plate 3 arranged in a staggered way therein at the predetermined intervals, thereby forming a narrow reversed bend discharge passage 5. Furthermore, a cooling medium 6 is fitted to the external surface of the back plate 2. According to the aforesaid construction, the luminescent face of a low voltage mercury lamp becomes flat and all generated rays are irradiated to the side of the window plate 1. Furthermore, the whole external surface of the back plate 2 can be exposed to cooling effect, thereby enabling the coldest part 7 to be formed at an arbitrary position. The occurrence of irregular luminous intensity distribution can be prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17052687A JPH0727771B2 (en) | 1987-07-08 | 1987-07-08 | Low pressure mercury lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17052687A JPH0727771B2 (en) | 1987-07-08 | 1987-07-08 | Low pressure mercury lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6414857A true JPS6414857A (en) | 1989-01-19 |
| JPH0727771B2 JPH0727771B2 (en) | 1995-03-29 |
Family
ID=15906568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17052687A Expired - Fee Related JPH0727771B2 (en) | 1987-07-08 | 1987-07-08 | Low pressure mercury lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0727771B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001037318A2 (en) * | 1999-11-16 | 2001-05-25 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Discharge lamp exhibiting temperature homogeneity |
-
1987
- 1987-07-08 JP JP17052687A patent/JPH0727771B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001037318A2 (en) * | 1999-11-16 | 2001-05-25 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Discharge lamp exhibiting temperature homogeneity |
| WO2001037318A3 (en) * | 1999-11-16 | 2001-11-29 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Discharge lamp exhibiting temperature homogeneity |
| US6545427B1 (en) | 1999-11-16 | 2003-04-08 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Discharge lamp having an improved temperature homogeneity |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0727771B2 (en) | 1995-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |