FR1418459A - Variable light absorption filter - Google Patents

Variable light absorption filter

Info

Publication number
FR1418459A
FR1418459A FR997360A FR997360A FR1418459A FR 1418459 A FR1418459 A FR 1418459A FR 997360 A FR997360 A FR 997360A FR 997360 A FR997360 A FR 997360A FR 1418459 A FR1418459 A FR 1418459A
Authority
FR
France
Prior art keywords
light absorption
variable light
absorption filter
filter
variable
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
FR997360A
Other languages
French (fr)
Inventor
Luis Rodriguez Aparicio
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 filed Critical
Priority to FR997360A priority Critical patent/FR1418459A/en
Application granted granted Critical
Publication of FR1418459A publication Critical patent/FR1418459A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/24—Liquid filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR997360A 1964-12-04 1964-12-04 Variable light absorption filter Expired FR1418459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR997360A FR1418459A (en) 1964-12-04 1964-12-04 Variable light absorption filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR997360A FR1418459A (en) 1964-12-04 1964-12-04 Variable light absorption filter

Publications (1)

Publication Number Publication Date
FR1418459A true FR1418459A (en) 1965-11-19

Family

ID=8844009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR997360A Expired FR1418459A (en) 1964-12-04 1964-12-04 Variable light absorption filter

Country Status (1)

Country Link
FR (1) FR1418459A (en)

Similar Documents

Publication Publication Date Title
CH413426A (en) Multi-element light filter
AT285402B (en) Filter element
FR1525139A (en) Air filter
FR1458648A (en) Electrostatic filter
AT255440B (en) filter
CH414554A (en) Filter element
FR1448425A (en) Air filter
FR1418459A (en) Variable light absorption filter
FR1413138A (en) Mode filter
CH527928A (en) Spinning mechanism
FR1464200A (en) Optical filter
FR1421665A (en) Filtered
FR1329982A (en) Phototropic light filter
FR1464753A (en) Compact filter
FR1433413A (en) Basket filter
FR1481477A (en) Interference filter photometer
FR1422237A (en) Silencer filter
CH489026A (en) Photochromic filter
FR1449158A (en) Filtered
FR1536262A (en) Purifier filter
FR1445095A (en) Vacuum filter
AT268212B (en) filter
FR1439455A (en) Safety filter
FR1537294A (en) Code translation filter
FR1486928A (en) Air filter