GB757416A - Improvements in or relating to a method and means for producing three-dimensional pictures - Google Patents

Improvements in or relating to a method and means for producing three-dimensional pictures

Info

Publication number
GB757416A
GB757416A GB636/54A GB63654A GB757416A GB 757416 A GB757416 A GB 757416A GB 636/54 A GB636/54 A GB 636/54A GB 63654 A GB63654 A GB 63654A GB 757416 A GB757416 A GB 757416A
Authority
GB
United Kingdom
Prior art keywords
polarizing
analyzers
layer
image
axes
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
GB636/54A
Inventor
Joseph Mahler
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.)
American Optical Corp
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Priority to GB636/54A priority Critical patent/GB757416A/en
Publication of GB757416A publication Critical patent/GB757416A/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
    • G02B30/22—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 of the stereoscopic type
    • G02B30/25—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 of the stereoscopic type using polarisation techniques

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Stereoscopic And Panoramic Photography (AREA)

Abstract

757,416. Polarizing apparatus. AMERICAN OPTICAL CO. Jan. 8, 1954, No. 636/54. Class 97 (1). On viewing a stereoscopic pair of lightpolarizing images A, B through polarizing analyzers C, D, the ghost of the image intended for one eye, which is visible to the other, is made invisible by adjusting the density of the background so that the ghosts blend with the background and become substantially indiscernible. Preferably, the images are viewed by polarized light and the density of the background is varied by inclining the axes of the analyzers towards or away from one another. The polarized light may be provided by a polarizing layer 21 which may be attached to the image layers 20. The polarizing axis of the layer 21 may be vertical in which case the axes of the analyzers C, D are each displaced, through the angle between the arrows into the position of the dotted arrow. If the polarizing axis of the layer 21 is horizontal, the analyzers C, D are rotated in the opposite sense. Instead of rotating the analyzers, the polarizing axes of the image portions A, B may be rotated relatively to the layer 21. The image portions A, B may be projected by plane polarized light on to a non-depolarizing screen and the projected image viewed as is the picture in Fig. 3. Specifications 556,578 and 562,877 are referred to.
GB636/54A 1954-01-08 1954-01-08 Improvements in or relating to a method and means for producing three-dimensional pictures Expired GB757416A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB636/54A GB757416A (en) 1954-01-08 1954-01-08 Improvements in or relating to a method and means for producing three-dimensional pictures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB636/54A GB757416A (en) 1954-01-08 1954-01-08 Improvements in or relating to a method and means for producing three-dimensional pictures

Publications (1)

Publication Number Publication Date
GB757416A true GB757416A (en) 1956-09-19

Family

ID=9707820

Family Applications (1)

Application Number Title Priority Date Filing Date
GB636/54A Expired GB757416A (en) 1954-01-08 1954-01-08 Improvements in or relating to a method and means for producing three-dimensional pictures

Country Status (1)

Country Link
GB (1) GB757416A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2601466A1 (en) * 1986-07-11 1988-01-15 Fieffe Gerard Chromatic anaglyphs using visible polarisations in relief with or without viewing filters
GB2230617A (en) * 1989-04-07 1990-10-24 Stereovision International S R Stereoscopic viewer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2601466A1 (en) * 1986-07-11 1988-01-15 Fieffe Gerard Chromatic anaglyphs using visible polarisations in relief with or without viewing filters
GB2230617A (en) * 1989-04-07 1990-10-24 Stereovision International S R Stereoscopic viewer

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