NL56612C - - Google Patents
Info
- Publication number
- NL56612C NL56612C NL56612DA NL56612C NL 56612 C NL56612 C NL 56612C NL 56612D A NL56612D A NL 56612DA NL 56612 C NL56612 C NL 56612C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/84—Lamps with discharge constricted by high pressure
- H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE215858X | 1938-12-01 | ||
| CH206032T | 1939-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL56612C true NL56612C (enEXAMPLES) |
Family
ID=25724254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL56612D NL56612C (enEXAMPLES) | 1938-12-01 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH215858A (enEXAMPLES) |
| GB (1) | GB522697A (enEXAMPLES) |
| NL (1) | NL56612C (enEXAMPLES) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3321479A1 (de) * | 1983-06-14 | 1984-12-20 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | Hochdruckentladungslampe |
-
0
- NL NL56612D patent/NL56612C/xx active
-
1938
- 1938-12-13 GB GB36297/38A patent/GB522697A/en not_active Expired
-
1939
- 1939-10-21 CH CH215858D patent/CH215858A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH215858A (de) | 1941-07-15 |
| GB522697A (en) | 1940-06-25 |