FR751660A - Improvements to folding stereoscopes - Google Patents

Improvements to folding stereoscopes

Info

Publication number
FR751660A
FR751660A FR751660DA FR751660A FR 751660 A FR751660 A FR 751660A FR 751660D A FR751660D A FR 751660DA FR 751660 A FR751660 A FR 751660A
Authority
FR
France
Prior art keywords
stereoscopes
folding
folding stereoscopes
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
Georges Bruguiere
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 FR751660A publication Critical patent/FR751660A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
    • G02B30/37—Collapsible stereoscopes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR751660D 1933-02-28 1933-02-28 Improvements to folding stereoscopes Expired FR751660A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR751660T 1933-02-28

Publications (1)

Publication Number Publication Date
FR751660A true FR751660A (en) 1933-09-07

Family

ID=9155765

Family Applications (1)

Application Number Title Priority Date Filing Date
FR751660D Expired FR751660A (en) 1933-02-28 1933-02-28 Improvements to folding stereoscopes

Country Status (1)

Country Link
FR (1) FR751660A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2943409A (en) * 1957-07-05 1960-07-05 G M Lab Inc Slide viewer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2943409A (en) * 1957-07-05 1960-07-05 G M Lab Inc Slide viewer

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