FR1383756A - Improvements in optical filters for selectively detecting the light passing through these filters - Google Patents

Improvements in optical filters for selectively detecting the light passing through these filters

Info

Publication number
FR1383756A
FR1383756A FR936717A FR936717A FR1383756A FR 1383756 A FR1383756 A FR 1383756A FR 936717 A FR936717 A FR 936717A FR 936717 A FR936717 A FR 936717A FR 1383756 A FR1383756 A FR 1383756A
Authority
FR
Grant status
Grant
Patent type
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
FR936717A
Other languages
French (fr)
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.)
Douglas Aircraft Co Inc
Original Assignee
Douglas Aircraft Co Inc
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
Grant date

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/20Filters
    • G02B5/205Neutral density filters
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86Vessels; Containers; Vacuum locks
    • H01J29/89Optical or photographic arrangements structurally combined or co-operating with the vessel
    • H01J29/896Anti-reflection means, e.g. eliminating glare due to ambient light
FR936717A 1962-10-15 1963-05-31 Improvements in optical filters for selectively detecting the light passing through these filters Expired FR1383756A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US23064462 true 1962-10-15 1962-10-15
FR936717A FR1383756A (en) 1962-10-15 1963-05-31 Improvements in optical filters for selectively detecting the light passing through these filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR936717A FR1383756A (en) 1962-10-15 1963-05-31 Improvements in optical filters for selectively detecting the light passing through these filters

Publications (1)

Publication Number Publication Date
FR1383756A true FR1383756A (en) 1965-01-04

Family

ID=26201622

Family Applications (1)

Application Number Title Priority Date Filing Date
FR936717A Expired FR1383756A (en) 1962-10-15 1963-05-31 Improvements in optical filters for selectively detecting the light passing through these filters

Country Status (1)

Country Link
FR (1) FR1383756A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4253737A (en) * 1979-02-12 1981-03-03 Sun-Flex Company Anti-Glare device for a computer terminal display tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4253737A (en) * 1979-02-12 1981-03-03 Sun-Flex Company Anti-Glare device for a computer terminal display tube

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