NL26141C - - Google Patents
Info
- Publication number
- NL26141C NL26141C NL26141DA NL26141C NL 26141 C NL26141 C NL 26141C NL 26141D A NL26141D A NL 26141DA NL 26141 C NL26141 C NL 26141C
- 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
- H01J61/38—Devices for influencing the colour or wavelength of the light
- H01J61/40—Devices for influencing the colour or wavelength of the light by light filters; by coloured coatings in or on the envelope
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE285068X | 1927-02-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL26141C true NL26141C (en:Method) |
Family
ID=6055356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL26141D NL26141C (en:Method) | 1927-02-11 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB285068A (en:Method) |
| NL (1) | NL26141C (en:Method) |
-
0
- NL NL26141D patent/NL26141C/xx active
-
1927
- 1927-12-07 GB GB33063/27A patent/GB285068A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB285068A (en) | 1929-03-07 |