GB1303800A - - Google Patents
Info
- Publication number
- GB1303800A GB1303800A GB4133470A GB4133470A GB1303800A GB 1303800 A GB1303800 A GB 1303800A GB 4133470 A GB4133470 A GB 4133470A GB 4133470 A GB4133470 A GB 4133470A GB 1303800 A GB1303800 A GB 1303800A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrodes
- fork
- april
- cathode
- controlled
- 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
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
- H01J31/15—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen with ray or beam selectively directed to luminescent anode segments
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Abstract
1303800 Cathode-ray tubes SONY CORP 17 April 1970 [17 April 1969) 41334/72 Divided out of 1302582 Heading H1D In an electron discharge device the electron flow from a cathode to a plurality of fluorescent screen portions is controlled by electrodes arranged on either side of the screen portions. The number indicator tube shown in Fig. 4 comprises seven luminescent anodes A1-A7, the electron flow to which is controlled by a number of fork-shaped electrodes GA, one for each display area, and rod electrodes GB1- GB5 which are arranged between the tines GA1-GA6 of each fork. A particular area glows only if the anode A and the overlying electrodes GA and GB are all positive, and in operation the group of electrodes GA is pulsed positive, the electrodes GB are pulsed in turn to provide in effect a horizontal scan, and the electrodes A are selectively energized according to the display required (e.g. the number 2 in Fig. 12). Another arrangement comprises parallel electrodes connected together and insulatingly supported from a conductive plate on which fluorescent material is disposed in the gaps between electrodes (Fig. 6, not shown).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2986369 | 1969-04-17 | ||
| GB1853870A GB1302582A (en) | 1969-04-17 | 1970-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1303800A true GB1303800A (en) | 1973-01-17 |
Family
ID=26253443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4133470A Expired GB1303800A (en) | 1969-04-17 | 1970-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1303800A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0014063A1 (en) * | 1979-01-17 | 1980-08-06 | Rca Corporation | Electrode interconnection in a flat panel display device |
| GB2131225A (en) * | 1982-11-18 | 1984-06-13 | Secr Defence | Flood gun crt information display device |
| GB2183084A (en) * | 1985-08-10 | 1987-05-28 | Futaba Denshi Kogyo Kk | Write head for an optical printer |
| GB2359660A (en) * | 2000-02-25 | 2001-08-29 | Samsung Sdi Co Ltd | Triode field emission display using carbon nanotubes |
-
1970
- 1970-04-17 GB GB4133470A patent/GB1303800A/en not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0014063A1 (en) * | 1979-01-17 | 1980-08-06 | Rca Corporation | Electrode interconnection in a flat panel display device |
| GB2131225A (en) * | 1982-11-18 | 1984-06-13 | Secr Defence | Flood gun crt information display device |
| GB2183084A (en) * | 1985-08-10 | 1987-05-28 | Futaba Denshi Kogyo Kk | Write head for an optical printer |
| GB2183084B (en) * | 1985-08-10 | 1989-12-20 | Futaba Denshi Kogyo Kk | Write head for an optical printer |
| GB2359660A (en) * | 2000-02-25 | 2001-08-29 | Samsung Sdi Co Ltd | Triode field emission display using carbon nanotubes |
| GB2359660B (en) * | 2000-02-25 | 2004-07-07 | Samsung Sdi Co Ltd | Triode field emission display using carbon nanobtubes |
| US6836066B1 (en) | 2000-02-25 | 2004-12-28 | Samsung Sdi Co., Ltd. | Triode field emission display using carbon nanobtubes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |