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Autostereoscopic viewing device for creating three-dimensional perception of images

Assignee: HEINRICH-HERTZ-INSTITUT FOR NACHRICHTENTECHNIK BERLIN GmbH
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Filing: 1990-06-18
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Granted: 1992-01-21
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Expires: 2010-06-18
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Abstract

Abstract An autostereoscopic viewing device with a flat picture screen and a pattern of cylindrical lens portions for producing three dimensional image perceptions without the need for additional optical accessories. The viewing device provides the largest possible freedom of movement of the viewer, whereby the reproduction quality is as uniform as possible and out of focus, cross-talk and other disadvantageous optical effect are greatly reduced. The procedures for making any necessary optical corrections are based on the plane parallel changeable positioning of a flat picture screen relative to an array of cylindrical lens portions. The array of cylindrical lens portions has an increasing thickness as well as a decreasing pitch width when moving from the middle to the vertical side edges. The pixel, or picture strip, size on the picture screen is a constant.

Inventors

  • 👤 Reinhard Borner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 20:12
CPC Classifications
G; G02; G02B; G02B3/00; G02B3/0006; G02B3/0037; G02B3/0043; G02B3/005; G02B30/00; G02B30/20; G02B30/26; G02B30/27; G02B30/30; G03; G03B; G03B35/00; G03B35/18; H; H04; H04N; H04N13/00; H04N13/30; H04N13/302; H04N13/305; H04N13/31; H04N13/398; H04N13/10; H04N13/194; H04N13/20; H04N13/204; H04N13/239; H04N13/324; H04N19/00; H04N19/50; H04N19/597

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 275 words
Television apparatus for creating a three dimensional image of pictures from television images, said television apparatus comprising: image screen means for displaying a plurality of visually distinct image segments containing three dimensional information on parallelly disposed elongated strips having substantially mutually parallel longitudinal axes; lens means for being relatively positioned adjacent said image screen means, said lens means used for viewing said image segments therethrough; said lens means defining an axis; said axis of said lens means having a first end, a second end and a center; said lens means comprising a plurality of lens segments for being in registration with said image segments, each said lens segment defining at least one curved surface; said lens segments each having a longitudinal axis that is generally perpendicular to said axis of said lens means and generally parallel to the longitudinal axes of said elongated strips; said lens segments each being juxtaposed adjacent to at least one other said lens segment; said lens segments each defining a maximum thickness; said maximum thickness of each said lens segment being measured in a direction that is generally orthogonal to both said axis of said lens means and said longitudinal axis of said lens segment; and said maximum thickness of each consecutive lens segment from said center of said axis of said lens means of each said lens segment: increasing in the direction from said center of said axis of said lens means to said first end of said axis of said lens means; and increasing in the direction from said center of said axis of said lens means to said second end of said axis of said lens means.
Claim 2
Dependent Claim 275 words
Television apparatus for creating a three dimensional image of pictures from television images, said television apparatus comprising: image screen means for displaying a plurality of visually distinct image segments containing three dimensional information on parallelly disposed elongated strips having substantially mutually parallel longitudinal axes; lens means for being relatively positioned adjacent said image screen means, said lens means used for viewing said image segments therethrough; said lens means defining an axis; said axis of said lens means having a first end, a second end and a center; said lens means comprising a plurality of lens segments for being in registration with said image segments, each said lens segment defining at least one curved surface; said lens segments each having a longitudinal axis that is generally perpendicular to said axis of said lens means and generally parallel to the longitudinal axes of said elongated strips; said lens segments each being juxtaposed adjacent to at least one other said lens segment; said lens segments each defining a maximum thickness; said maximum thickness of each said lens segment being measured in a direction that is generally orthogonal to both said axis of said lens means and said longitudinal axis of said lens segment; and said maximum thickness of each consecutive lens segment from said center of said axis of said lens means of each said lens segment: increasing in the direction from said center of said axis of said lens means to said first end of said axis of said lens means; and increasing in the direction from said center of said axis of said lens means to said second end of said axis of said lens means.
Claim 3
Dependent Claim 24 words
The apparatus of claim 1, further including lens positioning means for altering the relative position of said image screen means and said lens means.
Claim 4
Dependent Claim 22 words
The apparatus of claim 3, wherein said lens positioning means alters the separation between said image screen means and said lens means.
Claim 5
Dependent Claim 24 words
The apparatus of claim 3, wherein said lens positioning means alters the relative lateral positioning of said image screen means and said lens means.
Claim 6
Dependent Claim 28 words
The apparatus of claim 4, wherein said lens positioning means includes power drive means for altering the relative position of said image screen means and said lens means.
Claim 7
Dependent Claim 43 words
The apparatus of claim 5, wherein each said image segment comprises a plurality of red, green and blue light spots for creating a visual image, wherein the three primary colors alternate by horizontal lines and each individual color light spot is arranged column-like.
Claim 8
Dependent Claim 43 words
The apparatus of claim 6, wherein said alteration of said relative lateral positioning of said image screen means and said lens means effectuates a variable delay effect whereby the images of said image segments are displaced by a few units of the raster.
Claim 9
Dependent Claim 107 words
The apparatus of claim 7, wherein: said lens segment each defining a maximum width; said maximum width of each lens segment being measured in a direction that is generally parallel to said axis of said lens means and orthogonal to said longitudinal axis of said lens segment; and said maximum width of each said lens segment; decreasing in the direction from said center of said axis of said lens means to said first end of said axis of said lens means; and decreasing in the direction from said center of said axis of said lens means to said second end of said axis of said lens means.
Claim 10
Dependent Claim 73 words
The apparatus of claim 8, wherein: said image screen means comprise a flat picture screen surface for being disposed adjacent said lens means; said elongated strips are interlaced; said elongated strips have a constant width; said lens means having a flat surface disposed adjacent said flat picture screen; said flat picture screen and said surface of said lens means are parallel to one another; and said lens segments being portions of circular cylinders.
Claim 11
Dependent Claim 217 words
Apparatus for creating a three dimensional image of pictures, said apparatus comprising: image screen means for displaying a plurality of visually distinct image segments; lens means for being relatively positioned adjacent said image screen means, said lens means for viewing said image segments therethrough; said lens means defining an axis; said axis of said lens means having a first end, a second end and a center; said lens means comprising a plurality of lens segments for being in registration with said image segments; said lens segments each having a longitudinal axis that is generally perpendicular to said axis of said lens means; said lens segments each being juxtaposed adjacent to at least one other lens segment; said lens segments each defining a maximum width; said maximum width of each lens segment being measured in a direction that is generally parallel to said axis of said lens means and orthogonal to said longitudinal axis of said lens segment; and said maximum width of each said lens segment; decreasing in the direction from said center of said axis of said lens means to said first end of said axis of said lens means; and decreasing in the direction from said center of said axis of said lens means to said second end of said axis of said lens means.
Claim 12
Dependent Claim 217 words
Apparatus for creating a three dimensional image of pictures, said apparatus comprising: image screen means for displaying a plurality of visually distinct image segments; lens means for being relatively positioned adjacent said image screen means, said lens means for viewing said image segments therethrough; said lens means defining an axis; said axis of said lens means having a first end, a second end and a center; said lens means comprising a plurality of lens segments for being in registration with said image segments; said lens segments each having a longitudinal axis that is generally perpendicular to said axis of said lens means; said lens segments each being juxtaposed adjacent to at least one other lens segment; said lens segments each defining a maximum width; said maximum width of each lens segment being measured in a direction that is generally parallel to said axis of said lens means and orthogonal to said longitudinal axis of said lens segment; and said maximum width of each said lens segment; decreasing in the direction from said center of said axis of said lens means to said first end of said axis of said lens means; and decreasing in the direction from said center of said axis of said lens means to said second end of said axis of said lens means.
Claim 13
Dependent Claim 16 words
The apparatus of claim 10, wherein each said lens segment defines at least one curved surface.
Claim 14
Dependent Claim 24 words
The apparatus of claim 11, further including lens positioning means for altering the relative position of said image screen means and said lens means.
Claim 15
Dependent Claim 22 words
The apparatus of claim 12, wherein said lens positioning means alters the separation between said image screen means and said lens means.
Claim 16
Dependent Claim 24 words
The apparatus of claim 13, wherein said lens positioning means alters the relative lateral positioning of said image screen means and said lens means.
Claim 17
Dependent Claim 28 words
The apparatus of claim 14, wherein said lens positioning means includes power drive means for altering the relative position of said image screen means and said lens means.
Claim 18
Dependent Claim 43 words
The apparatus of claim 15, wherein each said image segment comprises a plurality of red, green and blue light spots for creating a visual image wherein the three primary colors alternate by horizontal likes and each individual color light spot is arranged column-like.
Claim 19
Dependent Claim 43 words
The apparatus of claim 16, wherein said alteration of said relative lateral positioning of said image screen means and said lens means effectuates a variable delay effect whereby the images of said image segments are displaced by a few units of the raster.
Claim 20
Dependent Claim 106 words
The apparatus of claim 17, wherein: said lens segments each defining a maximum thickness; said maximum thickness of each lens segment being measured in a direction that is generally orthogonal to both said axis of said lens means and said longitudinal axis of said lens segment; and said maximum thickness of each said lens segment; increasing in the direction from said center of said axis of said lens means to said first end of said axis of said lens means; and increasing in the direction from said center of said axis of said lens means to said second end of said axis of said lens means.
Claim 21
Dependent Claim 321 words
Apparatus for creating a three dimensional image of pictures, said apparatus comprising: image screen means for displaying a plurality of visually distinct image segments; lens means for being relatively positioned adjacent said image screen means, said lens means for viewing said image segments therethrough; said lens means defining an axis; said axis of said lens means having a first end, a second end and a center; said lens means comprising a plurality of lens segments for being in registration with said image segments; said lens segment each having a longitudinal axis that is generally perpendicular to said axis of said lens means; said lens segments each being juxtaposed adjacent to at least one other lens segment; said lens segments each defining a maximum thickness; said maximum thickness of each said lens segment being measured in a direction that is generally orthogonal to both said axis of said lens means and said longitudinal axis of said lens segment; said maximum thickness of each said lens segment: increasing in the direction from said center of said axis of said lens means to said first end of said axis of said lens means; and increasing in the direction from said center of said axis of said lens means to said second end of said axis of said lens means; said lens means; said lens segments each defining a maximum width; said maximum width of each said lens segment being measured in a direction that is generally parallel to said axis of said lens means and orthogonal to said longitudinal axis of said lens segment; and said maximum width of each said lens segment: decreasing in the direction from said center of said axis of said lens means to said first end of said axis of said lens means; and decreasing in the direction from said center of said axis of said lens means to said second end of said axis of said lens means.
Claim 22
Dependent Claim 321 words
Apparatus for creating a three dimensional image of pictures, said apparatus comprising: image screen means for displaying a plurality of visually distinct image segments; lens means for being relatively positioned adjacent said image screen means, said lens means for viewing said image segments therethrough; said lens means defining an axis; said axis of said lens means having a first end, a second end and a center; said lens means comprising a plurality of lens segments for being in registration with said image segments; said lens segment each having a longitudinal axis that is generally perpendicular to said axis of said lens means; said lens segments each being juxtaposed adjacent to at least one other lens segment; said lens segments each defining a maximum thickness; said maximum thickness of each said lens segment being measured in a direction that is generally orthogonal to both said axis of said lens means and said longitudinal axis of said lens segment; said maximum thickness of each said lens segment: increasing in the direction from said center of said axis of said lens means to said first end of said axis of said lens means; and increasing in the direction from said center of said axis of said lens means to said second end of said axis of said lens means; said lens means; said lens segments each defining a maximum width; said maximum width of each said lens segment being measured in a direction that is generally parallel to said axis of said lens means and orthogonal to said longitudinal axis of said lens segment; and said maximum width of each said lens segment: decreasing in the direction from said center of said axis of said lens means to said first end of said axis of said lens means; and decreasing in the direction from said center of said axis of said lens means to said second end of said axis of said lens means.

References Cited (Backward Citations)

US4214257A Cited
DE3529819A1 Cited
DE3700525A1 Cited
US4773731A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-01-20 1995-07-22 1996-01-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-01-20 1999-07-22 2000-01-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-01-20 2003-07-22 2004-01-21 $7700.00 Window Closed / Lapsed

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