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 (de) | 1928-07-14 | 1928-07-14 | Elektrische Entladungslampe mit Gas- oder Dampffuellung, bei der die Gas- oder Dampfentladung in einem im Innern des Lampengefaesses angeordneten Hohlkoerper gefuehrt ist |
DEP58429D DE510595C (de) | 1928-07-14 | 1928-08-21 | Elektrische Entladungslampe mit Gas- oder Dampffuellung |
DEP60082D DE510596C (de) | 1928-07-14 | 1929-04-16 | Elektrische Entladungslampe mit Gas- oder Dampffuellung |
DEP60396D DE510594C (de) | 1928-07-14 | 1929-05-27 | Elektrische Entladungslampe mit Gas- oder Dampffuellung, bei der die Gas- oder Dampf-entladung in einem im Innern des Lampengefaesses angeordneten stromleitenden und durcbrochenen Hohlkoerper gefuehrt ist |
Publications (1)
Publication Number | Publication Date |
---|---|
NL28039C true NL28039C (xx) | 1932-10-15 |
Family
ID=27437337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL46910A NL28039C (xx) | 1928-07-14 | 1929-06-22 |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH140859A (xx) |
DE (1) | DE510596C (xx) |
FR (1) | FR678025A (xx) |
GB (1) | GB338478A (xx) |
NL (1) | NL28039C (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1046772B (de) * | 1953-04-22 | 1958-12-18 | Patra Patent Treuhand | Roehrenfoermige elektrische Lampe zum Betrieb in explosionsgefaehrdeten Raeumen |
NL7701910A (nl) * | 1977-02-23 | 1978-08-25 | Philips Nv | Lagedrukgasontladingslamp. |
DE19730888A1 (de) * | 1997-07-18 | 1999-01-28 | Bosch Gmbh Robert | Gasentladungslampe mit niedriger Zündspannung |
-
1929
- 1929-04-16 DE DEP60082D patent/DE510596C/de not_active Expired
- 1929-06-22 NL NL46910A patent/NL28039C/xx active
- 1929-06-29 CH CH140859D patent/CH140859A/de unknown
- 1929-07-08 FR FR678025D patent/FR678025A/fr 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 (de) | 1930-10-28 |
FR678025A (fr) | 1930-03-18 |
CH140859A (de) | 1930-06-30 |