FR64575E - Improvements to inverter systems for optical instruments - Google Patents

Improvements to inverter systems for optical instruments

Info

Publication number
FR64575E
FR64575E FR64575DA FR64575E FR 64575 E FR64575 E FR 64575E FR 64575D A FR64575D A FR 64575DA FR 64575 E FR64575 E FR 64575E
Authority
FR
France
Prior art keywords
optical instruments
inverter systems
inverter
systems
instruments
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)
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.)
Optische Industrie de Oude Delft NV
Original Assignee
Optische Industrie de Oude Delft NV
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 Optische Industrie de Oude Delft NV filed Critical Optische Industrie de Oude Delft NV
Application granted granted Critical
Publication of FR64575E publication Critical patent/FR64575E/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • 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
    • 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
    • G02B30/35—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers using reflective optical elements in the optical path between the images and the observer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR64575D 1949-08-10 1953-09-08 Improvements to inverter systems for optical instruments Expired FR64575E (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1023076X 1949-08-10
FR64574T 1953-09-08
FR64575T 1953-09-08

Publications (1)

Publication Number Publication Date
FR64575E true FR64575E (en) 1955-11-14

Family

ID=62495276

Family Applications (3)

Application Number Title Priority Date Filing Date
FR1023076D Expired FR1023076A (en) 1949-08-10 1950-08-07 Improvements to inverter systems for optical instruments
FR64574D Expired FR64574E (en) 1949-08-10 1953-09-08 Improvements to inverter systems for optical instruments
FR64575D Expired FR64575E (en) 1949-08-10 1953-09-08 Improvements to inverter systems for optical instruments

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR1023076D Expired FR1023076A (en) 1949-08-10 1950-08-07 Improvements to inverter systems for optical instruments
FR64574D Expired FR64574E (en) 1949-08-10 1953-09-08 Improvements to inverter systems for optical instruments

Country Status (1)

Country Link
FR (3) FR1023076A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971066A (en) * 1973-03-01 1976-07-20 Nippon Educational Television Company, Ltd. Special effect generation system in an image pickup system

Also Published As

Publication number Publication date
FR1023076A (en) 1953-03-13
FR64574E (en) 1955-11-14

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