JPS4971780A - - Google Patents
Info
- Publication number
- JPS4971780A JPS4971780A JP47113880A JP11388072A JPS4971780A JP S4971780 A JPS4971780 A JP S4971780A JP 47113880 A JP47113880 A JP 47113880A JP 11388072 A JP11388072 A JP 11388072A JP S4971780 A JPS4971780 A JP S4971780A
- Authority
- JP
- Japan
- 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
Landscapes
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47113880A JPS4971780A (fr) | 1972-11-15 | 1972-11-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47113880A JPS4971780A (fr) | 1972-11-15 | 1972-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4971780A true JPS4971780A (fr) | 1974-07-11 |
Family
ID=14623420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47113880A Pending JPS4971780A (fr) | 1972-11-15 | 1972-11-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4971780A (fr) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62147650A (ja) * | 1985-12-18 | 1987-07-01 | パテント−トロイハント−ゲゼルシヤフト・フユ−ル・エレクトリツシエ・グリユ−ラムペン・ミツト・ベシユレンクテル・ハフツング | 高珪酸含有ガラスから成るバルブを有するランプ |
| JPS62246248A (ja) * | 1986-04-18 | 1987-10-27 | ウシオ電機株式会社 | 気密シ−ル性の優れたハロゲン電球の製造方法 |
| JP2004221069A (ja) * | 2002-12-27 | 2004-08-05 | Matsushita Electric Ind Co Ltd | 高圧放電ランプの製造方法、高圧放電ランプおよびランプユニット |
| US6890236B2 (en) | 2001-12-05 | 2005-05-10 | Matsushita Electric Industrial Co., Ltd. | Producing high pressure discharge lamp of plural glass members having different softening points producing high pressure |
-
1972
- 1972-11-15 JP JP47113880A patent/JPS4971780A/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62147650A (ja) * | 1985-12-18 | 1987-07-01 | パテント−トロイハント−ゲゼルシヤフト・フユ−ル・エレクトリツシエ・グリユ−ラムペン・ミツト・ベシユレンクテル・ハフツング | 高珪酸含有ガラスから成るバルブを有するランプ |
| JPS62246248A (ja) * | 1986-04-18 | 1987-10-27 | ウシオ電機株式会社 | 気密シ−ル性の優れたハロゲン電球の製造方法 |
| US6890236B2 (en) | 2001-12-05 | 2005-05-10 | Matsushita Electric Industrial Co., Ltd. | Producing high pressure discharge lamp of plural glass members having different softening points producing high pressure |
| US6965202B2 (en) | 2001-12-05 | 2005-11-15 | Matsushita Electric Industrial Co., Ltd. | High pressure discharge lamp and lamp unit |
| JP2004221069A (ja) * | 2002-12-27 | 2004-08-05 | Matsushita Electric Ind Co Ltd | 高圧放電ランプの製造方法、高圧放電ランプおよびランプユニット |