JPS6434753U - - Google Patents
Info
- Publication number
- JPS6434753U JPS6434753U JP13000587U JP13000587U JPS6434753U JP S6434753 U JPS6434753 U JP S6434753U JP 13000587 U JP13000587 U JP 13000587U JP 13000587 U JP13000587 U JP 13000587U JP S6434753 U JPS6434753 U JP S6434753U
- Authority
- JP
- Japan
- Prior art keywords
- glass bulb
- bulb
- reflective film
- infrared reflective
- utility
- 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
- 239000011521 glass Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
第１図は本考案に係る電球の一実施例を示す断
面図、第２図は赤外線反射膜を用い、フイラメン
トから出た赤外線が効率よくフイラメントに戻る
反射面形状のシミユレーシヨンを行つた時の離心
−効率特性図である。
１……ガラス球、２……フイラメント、３……
赤外線反射膜。
Figure 1 is a cross-sectional view showing one embodiment of the light bulb according to the present invention, and Figure 2 is a simulation of the shape of the reflective surface using an infrared reflective film, in which infrared rays emitted from the filament efficiently return to the filament. - Efficiency characteristic diagram. 1... Glass bulb, 2... Filament, 3...
Infrared reflective film.
Claims (1)
的に直線状のフイラメントを支持する一方、ガラ
ス球の内面に赤外線反射膜を形成したことを特徴
とする電球。 A light bulb characterized in that a glass bulb is formed into an ellipsoidal shape, a linear filament is supported coaxially with the short axis of the glass bulb, and an infrared reflective film is formed on the inner surface of the glass bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13000587U JPS6434753U (en) | 1987-08-26 | 1987-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13000587U JPS6434753U (en) | 1987-08-26 | 1987-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6434753U true JPS6434753U (en) | 1989-03-02 |
Family
ID=31384784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13000587U Pending JPS6434753U (en) | 1987-08-26 | 1987-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6434753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7484481B2 (en) | 2005-02-18 | 2009-02-03 | Hitachi Koki Co., Ltd. | Combustion-type power tool having switch protection arrangement |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6131592A (en) * | 1984-07-24 | 1986-02-14 | 株式会社 間組 | Feed-out apparatus of drilling earch |
-
1987
- 1987-08-26 JP JP13000587U patent/JPS6434753U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6131592A (en) * | 1984-07-24 | 1986-02-14 | 株式会社 間組 | Feed-out apparatus of drilling earch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7484481B2 (en) | 2005-02-18 | 2009-02-03 | Hitachi Koki Co., Ltd. | Combustion-type power tool having switch protection arrangement |