JPS57103249A - Cathode-ray picture display unit - Google Patents
Cathode-ray picture display unitInfo
- Publication number
- JPS57103249A JPS57103249A JP18072480A JP18072480A JPS57103249A JP S57103249 A JPS57103249 A JP S57103249A JP 18072480 A JP18072480 A JP 18072480A JP 18072480 A JP18072480 A JP 18072480A JP S57103249 A JPS57103249 A JP S57103249A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- linear
- electron
- electron source
- parallel
- 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.)
- Granted
Links
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
- H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
- H01J31/123—Flat display tubes
- H01J31/125—Flat display tubes provided with control means permitting the electron beam to reach selected parts of the screen, e.g. digital selection
- H01J31/126—Flat display tubes provided with control means permitting the electron beam to reach selected parts of the screen, e.g. digital selection using line sources
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Abstract
PURPOSE:To display a high resolution and quality picture without distortion using simple structure by arranging a deflection electrode which deflects an electron beam in parallel to a linear electron source and forming the linear electron source with the deflection electrode which is a pair of vertical deflection electrodes that vertically deflect it. CONSTITUTION:A linear electron source 51 is arranged between the rear electrode 52 and an electron beam removal electrode 53. Relatively positive voltage is applied to the beam removal electrode 53 against the electron source 51 and linear electron beams are removed. The linear electron beams are simultaneously deflected vertically by means of a pair of vertical deflection electrodes 54 that are arranged in parallel to the electron source 51. Besides, the quantity of electron beam is controlled by means of an electron beam control electrode consisting of an electrode 55 that divides the linear beam into a number of them, an electrode 56 in which wires are arranged in parallel in a strip of fancy paper, and an electrode 57 which jointly perform horizontal focussing. These electron beams strike against an accelerating electrode surface 58 and a phosphor surface 59, emit light, and display a picture.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18072480A JPS57103249A (en) | 1980-12-19 | 1980-12-19 | Cathode-ray picture display unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18072480A JPS57103249A (en) | 1980-12-19 | 1980-12-19 | Cathode-ray picture display unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57103249A true JPS57103249A (en) | 1982-06-26 |
JPH0411979B2 JPH0411979B2 (en) | 1992-03-03 |
Family
ID=16088195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18072480A Granted JPS57103249A (en) | 1980-12-19 | 1980-12-19 | Cathode-ray picture display unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57103249A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04106847A (en) * | 1990-08-27 | 1992-04-08 | Ise Electronics Corp | Light source tube for imaging apparatus |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5338260A (en) * | 1976-09-20 | 1978-04-08 | Matsushita Electric Ind Co Ltd | Picture display unit |
JPS5533734A (en) * | 1978-08-30 | 1980-03-10 | Matsushita Electric Ind Co Ltd | Image display equipment |
-
1980
- 1980-12-19 JP JP18072480A patent/JPS57103249A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5338260A (en) * | 1976-09-20 | 1978-04-08 | Matsushita Electric Ind Co Ltd | Picture display unit |
JPS5533734A (en) * | 1978-08-30 | 1980-03-10 | Matsushita Electric Ind Co Ltd | Image display equipment |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04106847A (en) * | 1990-08-27 | 1992-04-08 | Ise Electronics Corp | Light source tube for imaging apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPH0411979B2 (en) | 1992-03-03 |
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