BE508505A - - Google Patents

Info

Publication number
BE508505A
BE508505A BE508505DA BE508505A BE 508505 A BE508505 A BE 508505A BE 508505D A BE508505D A BE 508505DA BE 508505 A BE508505 A BE 508505A
Authority
BE
Belgium
Application number
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.)
Publication of BE508505A publication Critical patent/BE508505A/xx

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/08—Devices or methods enabling eye-patients to replace direct visual perception by another kind of perception
    • 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
    • H01J29/39—Charge-storage screens
    • H01J29/395—Charge-storage screens charge-storage grids exhibiting triode effect
    • 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
    • H01J31/52—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output having grid-like image screen through which the electron ray or beam passes and by which the ray or beam is influenced before striking the luminescent output screen, i.e. having "triode action"
BE508505D 1952-01-17 BE508505A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE1051060X 1952-01-17

Publications (1)

Publication Number Publication Date
BE508505A true BE508505A (xx)

Family

ID=3892849

Family Applications (1)

Application Number Title Priority Date Filing Date
BE508505D BE508505A (xx) 1952-01-17

Country Status (2)

Country Link
BE (1) BE508505A (xx)
FR (1) FR1051060A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2774896B1 (fr) * 1998-02-16 2000-12-08 Fact Optique Sa Retinitis pigmentosa = dispositif de compensation optoelectronique de l'affection

Also Published As

Publication number Publication date
FR1051060A (fr) 1954-01-13

Similar Documents

Publication Publication Date Title
NL102918C (xx)
AT192345B (xx)
FR999094A (xx)
AT173165B (xx)
FR999357A (xx)
FR999233A (xx)
FR56525E (xx)
FR999433A (xx)
FR999388A (xx)
FR56153E (xx)
FR999342A (xx)
FR999053A (xx)
IT500264A (xx)
BE519279A (xx)
BE517607A (xx)
BE522491A (xx)
BE522861A (xx)
BE523636A (xx)
BE523958A (xx)
BE519804A (xx)
BE508186A (xx)
BE519171A (xx)
BE518740A (xx)
BE507829A (xx)
BE518488A (xx)