NL45478C - - Google Patents
Info
- Publication number
- NL45478C NL45478C NL45478DA NL45478C NL 45478 C NL45478 C NL 45478C NL 45478D A NL45478D A NL 45478DA NL 45478 C NL45478 C NL 45478C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/023—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof secondary-electron emitting electrode arrangements
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US33330A US2093166A (en) | 1935-07-26 | 1935-07-26 | Electric discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL45478C true NL45478C (fi) |
Family
ID=21869779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL45478D NL45478C (fi) | 1935-07-26 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2093166A (fi) |
| DE (1) | DE763126C (fi) |
| GB (1) | GB478967A (fi) |
| NL (1) | NL45478C (fi) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2478163A (en) * | 1944-12-30 | 1949-08-02 | Gen Aniline & Film Corp | Logarithmic photometer |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1450265A (en) * | 1919-04-18 | 1923-04-03 | Westinghouse Electric & Mfg Co | Hot-cathode tube |
| FR582428A (fr) * | 1923-09-15 | 1924-12-18 | Tube électronique à plaque multiple | |
| DE503899C (de) * | 1924-03-18 | 1932-03-31 | Apollinar Zeitlin | Elektrischer Fernseher |
| US1903569A (en) * | 1926-09-15 | 1933-04-11 | Kenneth W Jarvis | Electron tube |
| US1970036A (en) * | 1928-01-09 | 1934-08-14 | Television Lab Inc | Photoelectric apparatus |
| US1955899A (en) * | 1930-09-25 | 1934-04-24 | Rca Corp | Method and system for communication by television |
| US1920863A (en) * | 1932-10-07 | 1933-08-01 | Jr Matthew S Hopkins | Amplification of radiant energy |
| GB419452A (en) * | 1933-05-05 | 1934-11-05 | Emi Ltd | Improvements in or relating to television |
| NL44366C (fi) * | 1933-10-07 |
-
0
- NL NL45478D patent/NL45478C/xx active
-
1935
- 1935-07-26 US US33330A patent/US2093166A/en not_active Expired - Lifetime
-
1936
- 1936-07-26 DE DER96934D patent/DE763126C/de not_active Expired
- 1936-07-27 GB GB20737/36A patent/GB478967A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE763126C (de) | 1952-05-23 |
| US2093166A (en) | 1937-09-14 |
| GB478967A (en) | 1938-01-27 |