JPS5289285A - Incandescent lamp - Google Patents
Incandescent lampInfo
- Publication number
- JPS5289285A JPS5289285A JP542776A JP542776A JPS5289285A JP S5289285 A JPS5289285 A JP S5289285A JP 542776 A JP542776 A JP 542776A JP 542776 A JP542776 A JP 542776A JP S5289285 A JPS5289285 A JP S5289285A
- Authority
- JP
- Japan
- Prior art keywords
- incandescent lamp
- time
- bulb wall
- blacking
- filament
- 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.)
- Pending
Links
Abstract
PURPOSE: To minimize the change in the luminous flux with the passage of time by lowering the minimum temperature portion of the bulb wall at the time of lighting so that the corrosion of filament, supporting members thereof, and inner conductor is controlled for minimizing blacking of the bulb wall.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP542776A JPS5289285A (en) | 1976-01-22 | 1976-01-22 | Incandescent lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP542776A JPS5289285A (en) | 1976-01-22 | 1976-01-22 | Incandescent lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5289285A true JPS5289285A (en) | 1977-07-26 |
Family
ID=11610864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP542776A Pending JPS5289285A (en) | 1976-01-22 | 1976-01-22 | Incandescent lamp |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5289285A (en) |
-
1976
- 1976-01-22 JP JP542776A patent/JPS5289285A/en active Pending
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