FR1207718A - Dispositif d'observation dans de mauvaises conditions d'éclairement - Google Patents

Dispositif d'observation dans de mauvaises conditions d'éclairement

Info

Publication number
FR1207718A
FR1207718A FR1207718DA FR1207718A FR 1207718 A FR1207718 A FR 1207718A FR 1207718D A FR1207718D A FR 1207718DA FR 1207718 A FR1207718 A FR 1207718A
Authority
FR
France
Prior art keywords
observation device
lighting conditions
poor lighting
poor
conditions
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)
Inventor
Albert Bouwers
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.)
Optische Industrie de Oude Delft NV
Original Assignee
Optische Industrie de Oude Delft NV
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 Optische Industrie de Oude Delft NV filed Critical Optische Industrie de Oude Delft NV
Application granted granted Critical
Publication of FR1207718A publication Critical patent/FR1207718A/fr
Expired legal-status Critical Current

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
    • H01J31/50—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2231/00—Cathode ray tubes or electron beam tubes
    • H01J2231/50—Imaging and conversion tubes
    • H01J2231/50005—Imaging and conversion tubes characterised by form of illumination
    • H01J2231/5001—Photons
    • H01J2231/50015—Light
    • H01J2231/50026—Infrared
FR1207718D 1957-07-08 1958-07-08 Dispositif d'observation dans de mauvaises conditions d'éclairement Expired FR1207718A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL857952X 1957-07-08

Publications (1)

Publication Number Publication Date
FR1207718A true FR1207718A (fr) 1960-02-18

Family

ID=19847318

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1207718D Expired FR1207718A (fr) 1957-07-08 1958-07-08 Dispositif d'observation dans de mauvaises conditions d'éclairement

Country Status (3)

Country Link
US (1) US2970220A (fr)
FR (1) FR1207718A (fr)
GB (1) GB857952A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124682A (en) * 1964-03-10 Microscope system for use with both
US3180217A (en) * 1960-01-22 1965-04-27 Aerojet General Co Cassegrainian type telescope optical system utilizing a coma correcting meniscus
US3155832A (en) * 1960-04-02 1964-11-03 Optische Ind De Oude Delft Nv Panoramic infrared telescope
US3154687A (en) * 1960-08-10 1964-10-27 Martin L Perl Optical feedback image intensifying system
US3296443A (en) * 1961-02-24 1967-01-03 Aerojet General Co Compact optical tracking system
US3324300A (en) * 1963-02-27 1967-06-06 Optische Ind De Oude Delft Nv Night telescope using a movable image amplifier tube
DE1230592B (de) * 1965-02-24 1966-12-15 Leitz Ernst Gmbh Beobachtungsgeraet mit umschaltbarer Tag- und Nachtzieloptik
NL6503866A (fr) * 1965-03-26 1966-09-27

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2825815A (en) * 1953-02-17 1958-03-04 Edwin T Filippini Electronic fog penetrating apparatus

Also Published As

Publication number Publication date
GB857952A (en) 1961-01-04
US2970220A (en) 1961-01-31

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