JPH01161547U - - Google Patents
Info
- Publication number
- JPH01161547U JPH01161547U JP5732388U JP5732388U JPH01161547U JP H01161547 U JPH01161547 U JP H01161547U JP 5732388 U JP5732388 U JP 5732388U JP 5732388 U JP5732388 U JP 5732388U JP H01161547 U JPH01161547 U JP H01161547U
- Authority
- JP
- Japan
- Prior art keywords
- light bulb
- filament
- winding pitch
- view
- showing
- 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
- 238000004804 winding Methods 0.000 claims 2
- 239000011521 glass Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Description
第１図は、本考案による電球の一実施例を示す
全体斜視図、第２図は、同電球の要部を示す拡大
斜視図、第３図は、同電球の要部の別の実施例を
示す拡大斜視図、第４図は、同電球の要部のさら
に別の実施例を示す拡大斜視図、第５図は、従来
の電球の一例を示す全体斜視図、第６図は、同電
球の要部を示す拡大斜視図である。
１２……リードワイヤ、１３……フイラメント
、１３ａ……端部、１３ｂ……中央部、１４……
ガラスチユーブ。
Fig. 1 is an overall perspective view showing one embodiment of the light bulb according to the present invention, Fig. 2 is an enlarged perspective view showing the main parts of the light bulb, and Fig. 3 is another embodiment of the main parts of the same light bulb. FIG. 4 is an enlarged perspective view showing still another embodiment of the essential parts of the same light bulb, FIG. 5 is an overall perspective view showing an example of the conventional light bulb, and FIG. FIG. 3 is an enlarged perspective view showing the main parts of the light bulb. 12... Lead wire, 13... Filament, 13a... End part, 13b... Center part, 14...
glass tube.
Claims (1)
あつて、前記フイラメントの中央部の巻きピツチ
を両端部の巻きピツチよりも疎にしたことを特徴
とする電球。 1. A light bulb comprising a spirally wound filament, characterized in that the winding pitch at the center of the filament is sparser than the winding pitch at both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5732388U JPH01161547U (en) | 1988-04-30 | 1988-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5732388U JPH01161547U (en) | 1988-04-30 | 1988-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01161547U true JPH01161547U (en) | 1989-11-09 |
Family
ID=31283178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5732388U Pending JPH01161547U (en) | 1988-04-30 | 1988-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01161547U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007115553A (en) * | 2005-10-21 | 2007-05-10 | Rigaku Corp | X-ray tube |
| JP2007115552A (en) * | 2005-10-21 | 2007-05-10 | Rigaku Corp | Filament for x-ray tube and x-ray tube |
| US7271530B2 (en) | 2005-10-21 | 2007-09-18 | Rigaku Corporation | Filament for X-ray tube and X-ray tube having the same |
| US7333592B2 (en) | 2005-04-19 | 2008-02-19 | Rigaku Corp. | X-ray tube |
| US7352846B2 (en) | 2005-10-21 | 2008-04-01 | Rigaku Corporation | Filament for X-ray tube and X-ray tube having the same |
| JP2010040229A (en) * | 2008-08-01 | 2010-02-18 | Ushio Inc | Filament lamp |
| JP2013097916A (en) * | 2011-10-28 | 2013-05-20 | Kaiyosha:Kk | Filament for electric bulb |
-
1988
- 1988-04-30 JP JP5732388U patent/JPH01161547U/ja active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7333592B2 (en) | 2005-04-19 | 2008-02-19 | Rigaku Corp. | X-ray tube |
| JP2007115553A (en) * | 2005-10-21 | 2007-05-10 | Rigaku Corp | X-ray tube |
| JP2007115552A (en) * | 2005-10-21 | 2007-05-10 | Rigaku Corp | Filament for x-ray tube and x-ray tube |
| US7271530B2 (en) | 2005-10-21 | 2007-09-18 | Rigaku Corporation | Filament for X-ray tube and X-ray tube having the same |
| US7352846B2 (en) | 2005-10-21 | 2008-04-01 | Rigaku Corporation | Filament for X-ray tube and X-ray tube having the same |
| JP4628241B2 (en) * | 2005-10-21 | 2011-02-09 | 株式会社リガク | X-ray tube |
| JP4662355B2 (en) * | 2005-10-21 | 2011-03-30 | 株式会社リガク | X-ray tube filament and X-ray tube |
| JP2010040229A (en) * | 2008-08-01 | 2010-02-18 | Ushio Inc | Filament lamp |
| JP2013097916A (en) * | 2011-10-28 | 2013-05-20 | Kaiyosha:Kk | Filament for electric bulb |
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