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FR529770A - Bellows stereoscopic apparatus - Google Patents

Bellows stereoscopic apparatus

Info

Publication number
FR529770A
FR529770A FR529770DA FR529770A FR 529770 A FR529770 A FR 529770A FR 529770D A FR529770D A FR 529770DA FR 529770 A FR529770 A FR 529770A
Authority
FR
France
Prior art keywords
bellows
stereoscopic apparatus
stereoscopic
bellows stereoscopic
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
Paulin-Jean-Pierre Ratier
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 FR529770A publication Critical patent/FR529770A/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)
FR529770D 1921-01-12 1921-01-12 Bellows stereoscopic apparatus Expired FR529770A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR529770T 1921-01-12

Publications (1)

Publication Number Publication Date
FR529770A true FR529770A (en) 1921-12-06

Family

ID=8922888

Family Applications (1)

Application Number Title Priority Date Filing Date
FR529770D Expired FR529770A (en) 1921-01-12 1921-01-12 Bellows stereoscopic apparatus

Country Status (1)

Country Link
FR (1) FR529770A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2789460A (en) * 1954-01-18 1957-04-23 Kaufman Robert Folding stereoscopic viewer
US3391971A (en) * 1964-03-20 1968-07-09 Eli G. Kaufman Foldable cardboard three dimensional viewer
KR20220133521A (en) * 2021-03-25 2022-10-05 민상규 Portable virtual reality device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2789460A (en) * 1954-01-18 1957-04-23 Kaufman Robert Folding stereoscopic viewer
US3391971A (en) * 1964-03-20 1968-07-09 Eli G. Kaufman Foldable cardboard three dimensional viewer
KR20220133521A (en) * 2021-03-25 2022-10-05 민상규 Portable virtual reality device

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