FR1129980A - Augmentation du contraste d'un renforçateur d'images - Google Patents

Augmentation du contraste d'un renforçateur d'images

Info

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
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR1129980A publication Critical patent/FR1129980A/fr
Expired legal-status Critical Current

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
FR1129980D 1954-04-19 1955-04-18 Augmentation du contraste d'un renforçateur d'images Expired FR1129980A (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US2824986A (en) 1958-02-25
GB789090A (en) 1958-01-15

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