FR2371059A1 - Perfectionnements apportes aux systemes d'affichage electronique d'images - Google Patents
Perfectionnements apportes aux systemes d'affichage electronique d'imagesInfo
- Publication number
- FR2371059A1 FR2371059A1 FR7733691A FR7733691A FR2371059A1 FR 2371059 A1 FR2371059 A1 FR 2371059A1 FR 7733691 A FR7733691 A FR 7733691A FR 7733691 A FR7733691 A FR 7733691A FR 2371059 A1 FR2371059 A1 FR 2371059A1
- Authority
- FR
- France
- Prior art keywords
- image display
- electronic image
- display systems
- electron
- brightness signal
- 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
- H01J31/124—Flat display tubes using electron beam scanning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/28—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical producing multiple scanning, i.e. using more than one spot at the same time
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Système pour réaliser l'uniformité de brillance dans un dispositif d'affichage d'images comportant une pluralité de faisceaux électroniques en réponse à un signal de brillance d'image d'entrée, caractérisé en ce qu'il comporte des moyens pour détecter le courant électronique de chaque faisceau électronique, des moyens pour emmagasiner l'information de courant de faisceau detecté et des moyens pour modifier le signal de brillance avec l'information emmagasinée afin de compenser les courants de faisceau électronique non uniformes.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/741,403 US4121137A (en) | 1976-11-12 | 1976-11-12 | System for achieving image uniformity in display devices |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2371059A1 true FR2371059A1 (fr) | 1978-06-09 |
FR2371059B1 FR2371059B1 (fr) | 1982-01-22 |
Family
ID=24980598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7733691A Granted FR2371059A1 (fr) | 1976-11-12 | 1977-11-09 | Perfectionnements apportes aux systemes d'affichage electronique d'images |
Country Status (15)
Country | Link |
---|---|
US (1) | US4121137A (fr) |
JP (1) | JPS5361914A (fr) |
AT (1) | AT356191B (fr) |
AU (1) | AU511337B2 (fr) |
CA (1) | CA1089574A (fr) |
DE (1) | DE2750598A1 (fr) |
ES (1) | ES463902A1 (fr) |
FI (1) | FI773306A (fr) |
FR (1) | FR2371059A1 (fr) |
GB (1) | GB1588651A (fr) |
IT (1) | IT1087333B (fr) |
NL (1) | NL7712445A (fr) |
PL (1) | PL109756B1 (fr) |
SE (1) | SE7712434L (fr) |
ZA (1) | ZA776606B (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2440591A1 (fr) * | 1978-11-01 | 1980-05-30 | Rca Corp | Perfectionnements apportes aux dispositifs d'affichage electronique d'images plats |
FR2466820A1 (fr) * | 1979-09-28 | 1981-04-10 | Rca Corp | Dispositif d'affichage electronique a panneau plat |
EP0107217A1 (fr) * | 1982-09-17 | 1984-05-02 | Philips Electronics Uk Limited | Dispositif d'affichage et tube plat pour cet usage |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4234825A (en) * | 1979-04-19 | 1980-11-18 | Rca Corporation | System for controlling brightness uniformity in display devices |
US4271377A (en) * | 1979-10-09 | 1981-06-02 | Rca Corporation | System for compensating for cathode variations in display devices utilizing line cathodes |
US4344021A (en) * | 1980-07-21 | 1982-08-10 | Rca Corporation | System for compensating for transfer characteristic variations of electron guns |
US4376260A (en) * | 1981-10-14 | 1983-03-08 | Rca Corporation | System for compensating for intensity variations and beam landing errors in flat panel display devices |
US4500815A (en) * | 1981-11-17 | 1985-02-19 | Rca Corporation | System for segmentally refreshing the stored electron gun drive voltages of a flat panel display device |
EP0185674A1 (fr) * | 1984-05-11 | 1986-07-02 | Sri International | Affichage a panneau plat utilisant un reseau lineaire de cathodes d'emission de champ |
JPS62270993A (ja) * | 1986-05-20 | 1987-11-25 | 松下電器産業株式会社 | 平板型陰極線管の駆動装置 |
JPS63102479A (ja) * | 1986-10-17 | 1988-05-07 | Matsushita Electric Ind Co Ltd | 平板形陰極線管の駆動方法 |
US4956575A (en) * | 1989-03-23 | 1990-09-11 | Chang Kern K N | Flat panel display with deflection modulation structure |
US5701134A (en) * | 1990-05-24 | 1997-12-23 | U.S. Philips Corporation | Picture display device with uniformity correction of electron supply |
BE1007259A3 (nl) * | 1993-07-01 | 1995-05-02 | Philips Electronics Nv | Weergeefinrichting voorzien van een weergeefeenheid van een flat panel type. |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3919473A (en) * | 1974-01-02 | 1975-11-11 | Corning Glass Works | Signal correction system |
US3930120A (en) * | 1974-01-07 | 1975-12-30 | Hughes Aircraft Co | Multi-beam cathode ray tube having equalized line brightness |
FR2289018A1 (fr) * | 1974-10-21 | 1976-05-21 | Stanford Research Inst | Procede et dispositif de compensation des variations des caracteristiques de canaux de traitement d'informations |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2858464A (en) * | 1955-09-26 | 1958-10-28 | Westinghouse Electric Corp | Cathode ray tube |
US3644669A (en) * | 1970-05-15 | 1972-02-22 | Motorola Inc | Automatic beam intensity limiter with a current transformer coupled to the ultor lead |
FR2188169B1 (fr) * | 1972-06-09 | 1975-03-28 | Lannionnais Electronique | |
JPS4979733A (fr) * | 1972-11-13 | 1974-08-01 | ||
NL7301980A (fr) * | 1973-02-13 | 1974-08-15 | ||
US3995197A (en) * | 1974-04-15 | 1976-11-30 | Rockwell International Corporation | Cathode ray tube display intensity control system |
-
1976
- 1976-11-12 US US05/741,403 patent/US4121137A/en not_active Expired - Lifetime
-
1977
- 1977-11-02 CA CA290,099A patent/CA1089574A/fr not_active Expired
- 1977-11-03 AU AU30282/77A patent/AU511337B2/en not_active Expired
- 1977-11-03 SE SE7712434A patent/SE7712434L/xx unknown
- 1977-11-04 FI FI773306A patent/FI773306A/fi not_active Application Discontinuation
- 1977-11-04 ZA ZA00776606A patent/ZA776606B/xx unknown
- 1977-11-05 ES ES463902A patent/ES463902A1/es not_active Expired
- 1977-11-07 IT IT29394/77A patent/IT1087333B/it active
- 1977-11-09 FR FR7733691A patent/FR2371059A1/fr active Granted
- 1977-11-10 GB GB46809/77A patent/GB1588651A/en not_active Expired
- 1977-11-10 PL PL1977202034A patent/PL109756B1/pl unknown
- 1977-11-11 JP JP13616777A patent/JPS5361914A/ja active Granted
- 1977-11-11 DE DE19772750598 patent/DE2750598A1/de active Granted
- 1977-11-11 NL NL7712445A patent/NL7712445A/xx not_active Application Discontinuation
- 1977-11-14 AT AT814277A patent/AT356191B/de not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3919473A (en) * | 1974-01-02 | 1975-11-11 | Corning Glass Works | Signal correction system |
US3930120A (en) * | 1974-01-07 | 1975-12-30 | Hughes Aircraft Co | Multi-beam cathode ray tube having equalized line brightness |
FR2289018A1 (fr) * | 1974-10-21 | 1976-05-21 | Stanford Research Inst | Procede et dispositif de compensation des variations des caracteristiques de canaux de traitement d'informations |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2440591A1 (fr) * | 1978-11-01 | 1980-05-30 | Rca Corp | Perfectionnements apportes aux dispositifs d'affichage electronique d'images plats |
FR2466820A1 (fr) * | 1979-09-28 | 1981-04-10 | Rca Corp | Dispositif d'affichage electronique a panneau plat |
EP0107217A1 (fr) * | 1982-09-17 | 1984-05-02 | Philips Electronics Uk Limited | Dispositif d'affichage et tube plat pour cet usage |
Also Published As
Publication number | Publication date |
---|---|
PL109756B1 (en) | 1980-06-30 |
AU511337B2 (en) | 1980-08-14 |
ES463902A1 (es) | 1978-07-01 |
JPS6222315B2 (fr) | 1987-05-18 |
GB1588651A (en) | 1981-04-29 |
ATA814277A (de) | 1979-09-15 |
JPS5361914A (en) | 1978-06-02 |
DE2750598A1 (de) | 1978-05-24 |
PL202034A1 (pl) | 1978-07-17 |
FI773306A (fi) | 1978-05-13 |
DE2750598C2 (fr) | 1987-07-23 |
US4121137A (en) | 1978-10-17 |
AU3028277A (en) | 1979-05-10 |
ZA776606B (en) | 1978-08-30 |
FR2371059B1 (fr) | 1982-01-22 |
CA1089574A (fr) | 1980-11-11 |
AT356191B (de) | 1980-04-10 |
IT1087333B (it) | 1985-06-04 |
SE7712434L (sv) | 1978-05-13 |
NL7712445A (nl) | 1978-05-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |