JPH017939Y2 - - Google Patents
Info
- Publication number
- JPH017939Y2 JPH017939Y2 JP1984197006U JP19700684U JPH017939Y2 JP H017939 Y2 JPH017939 Y2 JP H017939Y2 JP 1984197006 U JP1984197006 U JP 1984197006U JP 19700684 U JP19700684 U JP 19700684U JP H017939 Y2 JPH017939 Y2 JP H017939Y2
- Authority
- JP
- Japan
- Prior art keywords
- heat
- fluorescent lamp
- heat shielding
- shielding cylinder
- incandescent lamp
- 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
Links
- 230000005855 radiation Effects 0.000 claims description 22
- 238000009423 ventilation Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 10
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000002411 adverse Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984197006U JPH017939Y2 (US08066781-20111129-C00013.png) | 1984-12-25 | 1984-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984197006U JPH017939Y2 (US08066781-20111129-C00013.png) | 1984-12-25 | 1984-12-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61113314U JPS61113314U (US08066781-20111129-C00013.png) | 1986-07-17 |
| JPH017939Y2 true JPH017939Y2 (US08066781-20111129-C00013.png) | 1989-03-02 |
Family
ID=30754972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984197006U Expired JPH017939Y2 (US08066781-20111129-C00013.png) | 1984-12-25 | 1984-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH017939Y2 (US08066781-20111129-C00013.png) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4935771U (US08066781-20111129-C00013.png) * | 1972-06-27 | 1974-03-29 |
-
1984
- 1984-12-25 JP JP1984197006U patent/JPH017939Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61113314U (US08066781-20111129-C00013.png) | 1986-07-17 |
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