FR430551A - Condensateur pour appareils de projection - Google Patents

Condensateur pour appareils de projection

Info

Publication number
FR430551A
FR430551A FR430551DA FR430551A FR 430551 A FR430551 A FR 430551A FR 430551D A FR430551D A FR 430551DA FR 430551 A FR430551 A FR 430551A
Authority
FR
France
Prior art keywords
capacitor
projection devices
projection
devices
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
Gaston-Victor-Justin Guilbert
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.)
GASTON-VICTOR-JUSTIN GUILBERT
Original Assignee
GASTON-VICTOR-JUSTIN GUILBERT
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 GASTON-VICTOR-JUSTIN GUILBERT filed Critical GASTON-VICTOR-JUSTIN GUILBERT
Application granted granted Critical
Publication of FR430551A publication Critical patent/FR430551A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/026Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR430551D 1910-08-11 1910-08-11 Condensateur pour appareils de projection Expired FR430551A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR430551T 1910-08-11

Publications (1)

Publication Number Publication Date
FR430551A true FR430551A (fr) 1911-10-19

Family

ID=1472779

Family Applications (1)

Application Number Title Priority Date Filing Date
FR430551D Expired FR430551A (fr) 1910-08-11 1910-08-11 Condensateur pour appareils de projection

Country Status (1)

Country Link
FR (1) FR430551A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277172A (en) * 1979-11-05 1981-07-07 American Optical Corporation Soft contact lens apparatus
US4303306A (en) * 1979-05-31 1981-12-01 Olympus Optical Co., Ltd. Lens assembly
US4431267A (en) * 1980-11-06 1984-02-14 U.S. Philips Corporation Optical system which provides a collimated light beam

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303306A (en) * 1979-05-31 1981-12-01 Olympus Optical Co., Ltd. Lens assembly
US4277172A (en) * 1979-11-05 1981-07-07 American Optical Corporation Soft contact lens apparatus
FR2474169A1 (fr) * 1979-11-05 1981-07-24 American Optical Corp Appareil pour le transport et le positionnement d'une lentille de contact souple en vue de son controle a l'etat immerge
US4431267A (en) * 1980-11-06 1984-02-14 U.S. Philips Corporation Optical system which provides a collimated light beam

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