FR1129980A - Augmentation du contraste d'un renforçateur d'images - Google Patents
Augmentation du contraste d'un renforçateur d'imagesInfo
- Publication number
- FR1129980A FR1129980A FR1129980DA FR1129980A FR 1129980 A FR1129980 A FR 1129980A FR 1129980D A FR1129980D A FR 1129980DA FR 1129980 A FR1129980 A FR 1129980A
- Authority
- FR
- France
- Prior art keywords
- contrast
- increase
- image intensifier
- intensifier
- image
- 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
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
- H01J29/36—Photoelectric screens; Charge-storage screens
- H01J29/38—Photoelectric screens; Charge-storage screens not using charge storage, e.g. photo-emissive screen, extended cathode
- H01J29/385—Photocathodes comprising a layer which modified the wave length of impinging radiation
-
- 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
- H01J31/50—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
- H01J31/501—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output with an electrostatic electron optic system
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US424073A US2824986A (en) | 1954-04-19 | 1954-04-19 | Increasing contrast of the image intensifier |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1129980A true FR1129980A (fr) | 1957-01-29 |
Family
ID=23681340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1129980D Expired FR1129980A (fr) | 1954-04-19 | 1955-04-18 | Augmentation du contraste d'un renforçateur d'images |
Country Status (3)
Country | Link |
---|---|
US (1) | US2824986A (fr) |
FR (1) | FR1129980A (fr) |
GB (1) | GB789090A (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2905829A (en) * | 1955-01-25 | 1959-09-22 | Westinghouse Electric Corp | Image amplifier |
US2963365A (en) * | 1956-02-16 | 1960-12-06 | Rca Corp | Electrostatic printing |
US2962375A (en) * | 1956-05-02 | 1960-11-29 | Haloid Xerox Inc | Color xerography |
US2901349A (en) * | 1957-05-23 | 1959-08-25 | Haloid Xerox Inc | Xerographic plate |
US3088883A (en) * | 1958-01-14 | 1963-05-07 | Motorola Inc | Electrophotographic system |
DE1120035B (de) * | 1958-02-18 | 1961-12-21 | Optische Ind Iade Oude Delftia | Elektronen-optische Abbildungsvorrichtung |
DE1250739B (fr) * | 1958-05-12 | 1900-01-01 | ||
US3148297A (en) * | 1959-11-27 | 1964-09-08 | Westinghouse Electric Corp | Electron device with storage capabilities |
US3368077A (en) * | 1963-03-08 | 1968-02-06 | Electro Optical Systems Inc | Infra-red image intensifier having a tunnel-emission cathode having a conductive mosaic |
US3443104A (en) * | 1966-02-17 | 1969-05-06 | Rauland Corp | Image intensifier tube with shading compensation |
US3697795A (en) * | 1970-11-20 | 1972-10-10 | Machlett Lab Inc | Image intensifier tube having a multi-radius photocathode |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR817180A (fr) * | 1936-03-04 | 1937-08-27 | Electrical Res Prod Inc | Procédé et appareil pour la production de courants d'images dans les systèmes de tansmission électro-optiques d'images |
USRE23802E (en) * | 1948-11-05 | 1954-03-16 | Photocathode | |
US2523132A (en) * | 1949-08-10 | 1950-09-19 | Westinghouse Electric Corp | Photosensitive apparatus |
US2650310A (en) * | 1952-10-10 | 1953-08-25 | Gen Electric | X-ray image intensification and method |
-
1954
- 1954-04-19 US US424073A patent/US2824986A/en not_active Expired - Lifetime
-
1955
- 1955-04-15 GB GB10896/55A patent/GB789090A/en not_active Expired
- 1955-04-18 FR FR1129980D patent/FR1129980A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2824986A (en) | 1958-02-25 |
GB789090A (en) | 1958-01-15 |
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