NL34272C - - Google Patents
Info
- Publication number
- NL34272C NL34272C NL34272DA NL34272C NL 34272 C NL34272 C NL 34272C NL 34272D A NL34272D A NL 34272DA NL 34272 C NL34272 C NL 34272C
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE400756X | 1931-11-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL34272C true NL34272C (fi) |
Family
ID=6401841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL34272D NL34272C (fi) | 1931-11-06 |
Country Status (4)
Country | Link |
---|---|
US (1) | US2042261A (fi) |
FR (1) | FR741605A (fi) |
GB (1) | GB400756A (fi) |
NL (1) | NL34272C (fi) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2706784A (en) * | 1950-06-20 | 1955-04-19 | Bell Telephone Labor Inc | Noise source |
US3259779A (en) * | 1951-11-17 | 1966-07-05 | Westinghouse Electric Corp | Improving efficiency of infrared radiation generation by alkali metal vapor lamps and prolonging their useful lives |
US2980819A (en) * | 1958-07-01 | 1961-04-18 | Westinghouse Electric Corp | Thermal energy converter |
NL6511266A (fi) * | 1965-08-28 | 1967-03-01 | ||
US3917971A (en) * | 1974-03-22 | 1975-11-04 | Gte Sylvania Inc | Metal halide discharge lamp having a thermally insulative end coating |
DE3702481A1 (de) * | 1987-01-28 | 1988-08-11 | Philips Patentverwaltung | Gasentladungslampe |
-
0
- FR FR741605D patent/FR741605A/fr not_active Expired
- NL NL34272D patent/NL34272C/xx active
-
1932
- 1932-09-06 GB GB24845/32A patent/GB400756A/en not_active Expired
- 1932-11-03 US US641053A patent/US2042261A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR741605A (fi) | 1933-02-16 |
US2042261A (en) | 1936-05-26 |
GB400756A (en) | 1933-11-02 |