NL38559C - - Google Patents
Info
- Publication number
- NL38559C NL38559C NL38559DA NL38559C NL 38559 C NL38559 C NL 38559C NL 38559D A NL38559D A NL 38559DA NL 38559 C NL38559 C NL 38559C
- 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
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/14—Selection of substances for gas fillings; Specified operating pressure or temperature having one or more carbon compounds as the principal constituents
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH175464T | 1933-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL38559C true NL38559C (en) |
Family
ID=4426261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL38559D NL38559C (en) | 1933-12-04 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2073431A (en) |
| BE (1) | BE406625A (en) |
| CH (1) | CH175464A (en) |
| DE (1) | DE632664C (en) |
| FR (1) | FR772117A (en) |
| GB (1) | GB437828A (en) |
| NL (1) | NL38559C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8922862D0 (en) * | 1989-10-11 | 1989-11-29 | Emi Plc Thorn | A discharge tube arrangement |
| DE10049499A1 (en) | 2000-10-06 | 2002-04-11 | Philips Corp Intellectual Pty | Device on a drive for rotating information plates |
| DE10127961A1 (en) * | 2001-06-08 | 2002-12-12 | Philips Corp Intellectual Pty | Gas discharge lamp comprises a discharge gas with a light-emitting substance enclosed in a discharge vessel |
-
0
- BE BE406625D patent/BE406625A/xx unknown
- NL NL38559D patent/NL38559C/xx active
-
1933
- 1933-12-04 CH CH175464D patent/CH175464A/en unknown
-
1934
- 1934-03-22 DE DET43751D patent/DE632664C/en not_active Expired
- 1934-03-24 FR FR772117D patent/FR772117A/en not_active Expired
- 1934-05-28 GB GB15845/34A patent/GB437828A/en not_active Expired
- 1934-06-09 US US729907A patent/US2073431A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BE406625A (en) | |
| FR772117A (en) | 1934-10-23 |
| GB437828A (en) | 1935-11-06 |
| CH175464A (en) | 1935-02-28 |
| US2073431A (en) | 1937-03-09 |
| DE632664C (en) | 1936-07-11 |