NL83700C - - Google Patents
Info
- Publication number
- NL83700C NL83700C NL83700DA NL83700C NL 83700 C NL83700 C NL 83700C NL 83700D A NL83700D A NL 83700DA NL 83700 C NL83700 C NL 83700C
- Authority
- NL
- Netherlands
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/24—Hoses or pipes; Hose or pipe couplings
-
- 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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/62—Electrostatic lenses
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3922/42A GB573901A (en) | 1942-03-24 | 1942-03-24 | Improvements in electron lens systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL83700C true NL83700C (en) |
Family
ID=9767419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL83700D NL83700C (en) | 1942-03-24 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2441769A (en) |
| FR (1) | FR917145A (en) |
| GB (1) | GB573901A (en) |
| NL (1) | NL83700C (en) |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1605781A (en) * | 1923-12-21 | 1926-11-02 | Walter koqowski aitd waltes gbossee | |
| GB402460A (en) * | 1932-06-02 | 1933-12-04 | Emi Ltd | Improvements in or relating to cathode ray tubes |
| US2080449A (en) * | 1933-06-12 | 1937-05-18 | Rca Corp | Cathode ray tube |
| NL45873C (en) * | 1934-11-08 | |||
| US2202631A (en) * | 1937-08-20 | 1940-05-28 | Rca Corp | Cathode ray tube |
| US2179097A (en) * | 1938-02-10 | 1939-11-07 | Rca Corp | Cathode ray tube electrode structures |
| US2312723A (en) * | 1939-08-16 | 1943-03-02 | Bell Telephone Labor Inc | Electron discharge device |
| US2293539A (en) * | 1939-08-16 | 1942-08-18 | Bell Telephone Labor Inc | Electron discharge device |
| NL72884C (en) * | 1939-12-02 | |||
| US2303166A (en) * | 1941-01-21 | 1942-11-24 | Bell Telephone Labor Inc | Electron discharge device |
| US2351501A (en) * | 1941-05-31 | 1944-06-13 | Bell Telephone Labor Inc | Electron lens structure |
| US2277414A (en) * | 1941-07-02 | 1942-03-24 | Gen Electric | Electron lens |
| US2351757A (en) * | 1941-07-29 | 1944-06-20 | Bell Telephone Labor Inc | Electron discharge device |
| US2289071A (en) * | 1941-10-03 | 1942-07-07 | Gen Electric | Electron lens |
| US2318423A (en) * | 1941-10-28 | 1943-05-04 | Bell Telephone Labor Inc | Electron discharge device |
-
0
- NL NL83700D patent/NL83700C/xx active
-
1942
- 1942-03-24 GB GB3922/42A patent/GB573901A/en not_active Expired
-
1944
- 1944-03-31 US US528995A patent/US2441769A/en not_active Expired - Lifetime
-
1945
- 1945-11-09 FR FR917145D patent/FR917145A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB573901A (en) | 1945-12-12 |
| FR917145A (en) | 1946-12-26 |
| US2441769A (en) | 1948-05-18 |