FR925027A - Perfectionnements aux matières filtrant à la lumière - Google Patents

Perfectionnements aux matières filtrant à la lumière

Info

Publication number
FR925027A
FR925027A FR925027DA FR925027A FR 925027 A FR925027 A FR 925027A FR 925027D A FR925027D A FR 925027DA FR 925027 A FR925027 A FR 925027A
Authority
FR
France
Prior art keywords
light filtering
filtering
light
filtering improvements
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.)
Polaroid Corp
International Polaroid Corp
Original Assignee
Polaroid Corp
International Polaroid 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 Polaroid Corp, International Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of FR925027A publication Critical patent/FR925027A/fr
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
    • G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR925027D 1946-03-25 1946-03-25 Perfectionnements aux matières filtrant à la lumière Expired FR925027A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR925027T 1946-03-25

Publications (1)

Publication Number Publication Date
FR925027A true FR925027A (fr) 1947-08-22

Family

ID=9439787

Family Applications (1)

Application Number Title Priority Date Filing Date
FR925027D Expired FR925027A (fr) 1946-03-25 1946-03-25 Perfectionnements aux matières filtrant à la lumière

Country Status (1)

Country Link
FR (1) FR925027A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2762415A (en) * 1951-12-27 1956-09-11 Imp Brass Mfg Co Tube bending tool
FR2046014A5 (en) * 1969-03-21 1971-03-05 Commissariat Energie Atomique Flexible resin matrix for x-ray filter - particles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2762415A (en) * 1951-12-27 1956-09-11 Imp Brass Mfg Co Tube bending tool
FR2046014A5 (en) * 1969-03-21 1971-03-05 Commissariat Energie Atomique Flexible resin matrix for x-ray filter - particles

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