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FR1111613A - Pinhole telescope - Google Patents

Pinhole telescope

Info

Publication number
FR1111613A
FR1111613A FR1111613DA FR1111613A FR 1111613 A FR1111613 A FR 1111613A FR 1111613D A FR1111613D A FR 1111613DA FR 1111613 A FR1111613 A FR 1111613A
Authority
FR
France
Prior art keywords
telescope
pinhole
pinhole telescope
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
French (fr)
Inventor
Francisque Ginet
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
Application granted granted Critical
Publication of FR1111613A publication Critical patent/FR1111613A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/16—Shades; shields; Obturators, e.g. with pinhole, with slot
    • G02C7/165—Shades; shields; Obturators, e.g. with pinhole, with slot with stenopaeic apertures

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1111613D 1954-09-17 1954-09-17 Pinhole telescope Expired FR1111613A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1111613T 1954-09-17

Publications (1)

Publication Number Publication Date
FR1111613A true FR1111613A (en) 1956-03-02

Family

ID=9626748

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1111613D Expired FR1111613A (en) 1954-09-17 1954-09-17 Pinhole telescope

Country Status (1)

Country Link
FR (1) FR1111613A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1208909B (en) * 1962-05-24 1966-01-13 Med Opties Inc Safety glasses with corrective lenses
FR2655431A1 (en) * 1989-12-04 1991-06-07 Bernard Rene STENOPEIC GLASSES.
WO2000072083A1 (en) * 1999-05-06 2000-11-30 Stregova Erzsebet Eye-conditioning and eyesight-improving device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1208909B (en) * 1962-05-24 1966-01-13 Med Opties Inc Safety glasses with corrective lenses
DE1208909C2 (en) * 1962-05-24 1966-07-28 Med Opties Inc Safety glasses with corrective lenses
FR2655431A1 (en) * 1989-12-04 1991-06-07 Bernard Rene STENOPEIC GLASSES.
WO1991008506A1 (en) * 1989-12-04 1991-06-13 Bernard Rene George Stenopaic spectacles
WO2000072083A1 (en) * 1999-05-06 2000-11-30 Stregova Erzsebet Eye-conditioning and eyesight-improving device
US6592221B1 (en) 1999-05-06 2003-07-15 Stregova Erzsebet Eye-conditioning and eyesight-improving device

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