NL253491A - - Google Patents
Info
- Publication number
- NL253491A NL253491A NL253491DA NL253491A NL 253491 A NL253491 A NL 253491A NL 253491D A NL253491D A NL 253491DA NL 253491 A NL253491 A NL 253491A
- 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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/80—Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US825531A US3240972A (en) | 1959-07-07 | 1959-07-07 | Cathode ray tube having improved deflection field forming means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL253491A true NL253491A (it) |
Family
ID=25244239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL253491D NL253491A (it) | 1959-07-07 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3240972A (it) |
| DE (1) | DE1130938B (it) |
| GB (1) | GB953881A (it) |
| NL (1) | NL253491A (it) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1165002A (en) * | 1965-09-25 | 1969-09-24 | Emi Ltd | Improvements relating to Cathode Ray Tubes and Focusing and Deflecting Arrangements Therefor. |
| DE1936229B2 (de) * | 1969-07-16 | 1971-07-29 | Kathodenstrahlroehre mit einem leuchtschirm | |
| JPS5534540B2 (it) * | 1972-09-20 | 1980-09-08 | ||
| GB2015195A (en) * | 1978-02-15 | 1979-09-05 | Tektronix Inc | Cathode Ray Tube Having Low Voltage Focus and Dynamic Correction |
| US4323816A (en) * | 1980-05-30 | 1982-04-06 | Rca Corporation | System for enhancing deflection in kinescopes |
| US4585976A (en) * | 1982-01-19 | 1986-04-29 | Hewlett-Packard Company | Beam penetration CRT with internal automatic constant deflection factor and pattern correction |
| NL8200691A (nl) * | 1982-02-22 | 1983-09-16 | Philips Nv | Kathodestraalbuis. |
| US4767964A (en) * | 1987-02-04 | 1988-08-30 | Tektronix, Inc. | Improved mesh for CRT scan expansion lens and lens fabricated therefrom |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2176199A (en) * | 1934-05-10 | 1939-10-17 | Hygrade Sylvania Corp | Electron-discharge tube |
| US2150159A (en) * | 1936-03-04 | 1939-03-14 | Bell Telephone Labor Inc | Electro-optical system |
| US2315367A (en) * | 1940-07-31 | 1943-03-30 | Rca Corp | Cathode-ray tube |
| US2755413A (en) * | 1951-02-23 | 1956-07-17 | Edgar R Wagner | Gas filled projector tubes for television |
| US2743391A (en) * | 1951-11-02 | 1956-04-24 | Du Mont Allen B Lab Inc | Cathode ray tube |
| US2803769A (en) * | 1952-07-07 | 1957-08-20 | Gen Dynamics Corp | Cathode ray apparatus |
| US2718611A (en) * | 1952-10-31 | 1955-09-20 | Gen Dynamics Corp | Cathode ray control apparatus |
| US2872613A (en) * | 1955-09-07 | 1959-02-03 | Meguer V Kalfaian | Color image screen utilizing electroluminescence |
| US2880342A (en) * | 1956-10-25 | 1959-03-31 | Gen Dynamics Corp | Electron beam for a cathode ray tube |
-
0
- NL NL253491D patent/NL253491A/xx unknown
-
1959
- 1959-07-07 US US825531A patent/US3240972A/en not_active Expired - Lifetime
-
1960
- 1960-06-27 GB GB22514/60A patent/GB953881A/en not_active Expired
- 1960-07-06 DE DER28280A patent/DE1130938B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1130938B (de) | 1962-06-07 |
| GB953881A (en) | 1964-04-02 |
| US3240972A (en) | 1966-03-15 |