NL28039C - - Google Patents
Info
- Publication number
- NL28039C NL28039C NL46910A NL46910A NL28039C NL 28039 C NL28039 C NL 28039C NL 46910 A NL46910 A NL 46910A NL 46910 A NL46910 A NL 46910A NL 28039 C NL28039 C NL 28039C
- 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
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/10—Shields, screens, or guides for influencing the discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0048—Tubes with a main cathode
- H01J2893/0056—Parts inside tubes brought to incandescence by the discharge
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP58175D DE507502C (en) | 1928-07-14 | 1928-07-14 | Electric discharge lamp with gas or vapor filling, in which the gas or vapor discharge is guided in a hollow body arranged inside the lamp vessel |
| DEP58429D DE510595C (en) | 1928-07-14 | 1928-08-21 | Electric discharge lamp with gas or vapor filling |
| DEP60082D DE510596C (en) | 1928-07-14 | 1929-04-16 | Electric discharge lamp with gas or vapor filling |
| DEP60396D DE510594C (en) | 1928-07-14 | 1929-05-27 | Electric discharge lamp with gas or vapor filling, in which the gas or vapor discharge is guided in an electrically conductive and perforated hollow body arranged inside the lamp vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL28039C true NL28039C (en) | 1932-10-15 |
Family
ID=27437337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL46910A NL28039C (en) | 1928-07-14 | 1929-06-22 |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH140859A (en) |
| DE (1) | DE510596C (en) |
| FR (1) | FR678025A (en) |
| GB (1) | GB338478A (en) |
| NL (1) | NL28039C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1046772B (en) * | 1953-04-22 | 1958-12-18 | Patra Patent Treuhand | Tube-shaped electric lamp for operation in potentially explosive areas |
| NL7701910A (en) * | 1977-02-23 | 1978-08-25 | Philips Nv | LOW-PRESSURE GAS DISCHARGE LAMP. |
| DE19730888A1 (en) * | 1997-07-18 | 1999-01-28 | Bosch Gmbh Robert | Gas discharge lamp |
-
1929
- 1929-04-16 DE DEP60082D patent/DE510596C/en not_active Expired
- 1929-06-22 NL NL46910A patent/NL28039C/xx active
- 1929-06-29 CH CH140859D patent/CH140859A/en unknown
- 1929-07-08 FR FR678025D patent/FR678025A/en not_active Expired
-
1930
- 1930-04-14 GB GB1178530A patent/GB338478A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB338478A (en) | 1930-11-20 |
| DE510596C (en) | 1930-10-28 |
| FR678025A (en) | 1930-03-18 |
| CH140859A (en) | 1930-06-30 |