GB1234343A - - Google Patents
Info
- Publication number
- GB1234343A GB1234343A GB1234343DA GB1234343A GB 1234343 A GB1234343 A GB 1234343A GB 1234343D A GB1234343D A GB 1234343DA GB 1234343 A GB1234343 A GB 1234343A
- Authority
- GB
- United Kingdom
- Prior art keywords
- beams
- potential
- focusing
- converged
- centre
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000005684 electric field Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/20—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours
- H01J31/201—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours using a colour-selection electrode
- H01J31/203—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours using a colour-selection electrode with more than one electron beam
- H01J31/206—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours using a colour-selection electrode with more than one electron beam with three coplanar electron beams
-
- 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
- H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
- H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Electron Beam Exposure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8314368 | 1968-11-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1234343A true GB1234343A (de) | 1971-06-03 |
Family
ID=13793974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1234343D Expired GB1234343A (de) | 1968-11-13 | 1969-11-11 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3651369A (de) |
DE (1) | DE1957153C3 (de) |
FR (1) | FR2023210A1 (de) |
GB (1) | GB1234343A (de) |
NL (1) | NL166574C (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE793992A (fr) * | 1972-01-14 | 1973-05-02 | Rca Corp | Tube a rayons cathodiques |
US4528476A (en) * | 1983-10-24 | 1985-07-09 | Rca Corporation | Cathode-ray tube having electron gun with three focus lenses |
DE3428005A1 (de) * | 1984-07-28 | 1986-01-30 | Christian Majer GmbH & Co KG Maschinenfabrik, 7400 Tübingen | Einrichtung an einer folienrohrwickelmaschine zur steuerung einer schneidvorrichtung |
US4772826A (en) * | 1986-06-26 | 1988-09-20 | Rca Licensing Corporation | Color display system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1195598A (en) * | 1967-01-14 | 1970-06-17 | Sony Corp | Cathode Ray Tube |
GB1217240A (en) * | 1967-04-06 | 1970-12-31 | Sony Corp | New and improved color picture tube system |
-
1969
- 1969-10-24 US US869025A patent/US3651369A/en not_active Expired - Lifetime
- 1969-11-11 GB GB1234343D patent/GB1234343A/en not_active Expired
- 1969-11-13 DE DE1957153A patent/DE1957153C3/de not_active Expired
- 1969-11-13 FR FR6938987A patent/FR2023210A1/fr not_active Withdrawn
- 1969-11-13 NL NL6917107.A patent/NL166574C/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL166574C (nl) | 1981-08-17 |
DE1957153C3 (de) | 1975-11-13 |
NL6917107A (de) | 1970-05-15 |
DE1957153B2 (de) | 1972-06-22 |
US3651369A (en) | 1972-03-21 |
DE1957153A1 (de) | 1970-05-21 |
NL166574B (nl) | 1981-03-16 |
FR2023210A1 (de) | 1970-08-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |