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US5825540A Expired / Lapsed US ⏱️ 0.0 years remaining

Autostereoscopic display and method

Assignee: Hanger Solutions LLC
•
Filing: 1996-04-22
•
Granted: 1998-10-20
•
Expires: 2016-04-22
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Abstract

Abstract An autostereoscopic display includes a projection system which generates a plurality of real images that represent different spatial views of an object and further includes a plurality of contiguous field lenses. From the real images, the field lenses form a plurality of exit pupils which are separated by one interpupillary distance. An observer can "walk around" the display and observe different stereoscopic views of the object by positioning his eyes at an adjacent pair of exit pupils.

Inventors

  • 👤 Ronald S. Gold
  • 👤 Jerry E. Freeman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 23:35
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/18; G02B5/1876; H; H04; H04N; H04N13/00; H04N13/30; H04N13/302; H04N13/305; H04N13/307; H04N13/32; H04N13/349; G02B5/32; H04N13/20; H04N13/204; H04N13/243

Claims Analysis

Total Claims: 47
Claim 1
Independent Claim 105 words
An autostereoscopic display, comprising: a projection system configured to form a plurality of real images; and a plurality of optical field elements arranged in a contiguous relationship, each having a focal length and spaced no further than its focal length from a different one of said real images to process that real image into one of a plurality of exit pupils at which the radiant energy density of that real image is maximized; wherein said projection system and said optical field elements are arranged to space each of said exit pupils substantially one interpupillary distance (IPD) from at least one other of said exit pupils.
Claim 2
Dependent Claim 105 words
An autostereoscopic display, comprising: a projection system configured to form a plurality of real images; and a plurality of optical field elements arranged in a contiguous relationship, each having a focal length and spaced no further than its focal length from a different one of said real images to process that real image into one of a plurality of exit pupils at which the radiant energy density of that real image is maximized; wherein said projection system and said optical field elements are arranged to space each of said exit pupils substantially one interpupillary distance (IPD) from at least one other of said exit pupils.
Claim 3
Dependent Claim 16 words
The autostereoscopic display of claim 1, wherein said optical field elements form a selected geometric shape.
Claim 4
Dependent Claim 14 words
The autostereoscopic display of claim 2, wherein said geometric shape is a three-dimensional hemisphere.
Claim 5
Dependent Claim 14 words
The autostereoscopic display of claim 2, wherein said geometric shape is a two-dimensional plane.
Claim 6
Dependent Claim 29 words
The autostereoscopic display of claim 1, wherein each of said optical field elements has a thickness and is spaced less than twice said thickness from its respective real image.
Claim 7
Dependent Claim 21 words
The autostereoscopic display of claim 1, wherein each of said optical field elements is positioned coincident with its respective real image.
Claim 8
Dependent Claim 18 words
The autostereoscopic display of claim 1, wherein each of said optical field elements is a positive, refractive lens.
Claim 9
Dependent Claim 18 words
The autostereoscopic display of claim 1, wherein each of said optical field elements is a holographic optical element.
Claim 10
Dependent Claim 17 words
The autostereoscopic display of claim 1, wherein each of said optical field elements is a Fresnel lens.
Claim 11
Dependent Claim 47 words
The autostereoscopic display of claim 1, wherein said projection system includes: a plurality of image sources; and a plurality of relay lenses with each of said relay lenses sufficiently spaced from a different one of said image sources to process it into one of said real images.
Claim 12
Dependent Claim 29 words
The autostereoscopic display of claim 10, wherein each of said relay lenses has a focal length and is spaced greater than its focal length from its respective image source.
Claim 13
Dependent Claim 17 words
The autostereoscopic display of claim 10, wherein each of said image sources is a cathode ray tube.
Claim 14
Dependent Claim 19 words
The autostereoscopic display of claim 10, wherein each of said image sources is an active matrix liquid crystal display.
Claim 15
Dependent Claim 16 words
The autostereoscopic display of claim 10, wherein each of said image sources is a flat-panel display.
Claim 16
Dependent Claim 49 words
The autostereoscopic display of claim 1, wherein said projection system includes: a plurality of relay lenses; a time-multiplexed image source configured to display a plurality of successive images; and an optical transmission system configured to transmit each of said successive images to a respective one of said relay lenses.
Claim 17
Dependent Claim 14 words
The autostereoscopic display of claim 1 wherein the field elements form a hemispheric shape.
Claim 18
Dependent Claim 101 words
A display member for forming an autostereoscopic display from a plurality of real images, comprising a plurality of optical field elements wherein: said optical field elements are configured to each process a different one of said real images into one of a plurality of exit pupils at which the radiant energy of that real image is maximized; said optical field elements are positioned to space each of said exit pupils substantially one interpupillary distance (IPD) from at least one other of said exit pupils; and said optical field elements are arranged in a contiguous relationship to form a selected geometric shape.
Claim 19
Dependent Claim 101 words
A display member for forming an autostereoscopic display from a plurality of real images, comprising a plurality of optical field elements wherein: said optical field elements are configured to each process a different one of said real images into one of a plurality of exit pupils at which the radiant energy of that real image is maximized; said optical field elements are positioned to space each of said exit pupils substantially one interpupillary distance (IPD) from at least one other of said exit pupils; and said optical field elements are arranged in a contiguous relationship to form a selected geometric shape.
Claim 20
Dependent Claim 31 words
The display member of claim 17, wherein each of said optical field elements has a focal length and is spaced no further than its focal length from its respective real image.
Claim 21
Dependent Claim 29 words
The display member of claim 17, wherein each of said optical field elements has a thickness and is spaced less than twice said thickness from its respective real image.
Claim 22
Dependent Claim 21 words
The display member of claim 17, wherein each of said optical field elements is positioned coincident with its respective real image.
Claim 23
Dependent Claim 13 words
The display member of claim 17, wherein said geometric shape is a hemisphere.
Claim 24
Dependent Claim 13 words
The display member of claim 17, wherein said geometric shape is a plane.
Claim 25
Dependent Claim 18 words
The display member of claim 17, wherein each of said optical field elements is a positive, refractive lens.
Claim 26
Dependent Claim 18 words
The display member of claim 17, wherein each of said optical field elements is a holographic optical element.
Claim 27
Dependent Claim 17 words
The display member of claim 17, wherein each of said optical field elements is a Fresnel lens.
Claim 28
Independent Claim 88 words
A method of displaying autostereoscopic views of an object, comprising: generating a plurality of real images which each represent a different spatial view of said object; and processing each of said real images through a different processing aperture to form a different one of a plurality of exit pupils at which the radiant energy density of that real image is maximized; and positioning each of said exit pupils along the surface of a hemisphere substantially one interpupillary distance (IPD) from at least one other of said exit pupils.
Claim 29
Independent Claim 88 words
A method of displaying autostereoscopic views of an object, comprising: generating a plurality of real images which each represent a different spatial view of said object; and processing each of said real images through a different processing aperture to form a different one of a plurality of exit pupils at which the radiant energy density of that real image is maximized; and positioning each of said exit pupils along the surface of a hemisphere substantially one interpupillary distance (IPD) from at least one other of said exit pupils.
Claim 30
Dependent Claim 14 words
The method of claim 26, wherein said processing aperture is an optical field element.
Claim 31
Dependent Claim 15 words
The method of claim 27, wherein said optical field element is a positive, refractive lens.
Claim 32
Dependent Claim 15 words
The method of claim 27, wherein said optical field element is a holographic optical element.
Claim 33
Dependent Claim 16 words
The method of claim 27, wherein each of said optical field elements is a Fresnel lens.
Claim 34
Dependent Claim 105 words
An autostereoscopic display, comprising: a projection system configured to form a plurality of real images; and a plurality of optical field elements arranged in a hemispheric shape, each having a focal length and spaced no further that its focal length from a different one of said real images to process that real image into one of a plurality of exit pupils at which the radiant energy density of that real image is maximized; wherein said projection system and said optical field elements are arranged to space each of said exit pupils substantially one interpupillary distance (IPD) from at least one other of said exit pupils.
Claim 35
Dependent Claim 105 words
An autostereoscopic display, comprising: a projection system configured to form a plurality of real images; and a plurality of optical field elements arranged in a hemispheric shape, each having a focal length and spaced no further that its focal length from a different one of said real images to process that real image into one of a plurality of exit pupils at which the radiant energy density of that real image is maximized; wherein said projection system and said optical field elements are arranged to space each of said exit pupils substantially one interpupillary distance (IPD) from at least one other of said exit pupils.
Claim 36
Dependent Claim 109 words
An autostereoscopic display, comprising: a projection system configured to form a plurality of real images; and a plurality of optical field elements arranged to create exit pupils in a hemispheric relationship, each having a focal length and spaced no further than its focal length from a different one of said real images to process that real image into one of a plurality of exit pupils at which the radiant energy density of that real image is maximized; wherein said projection system and said optical field elements are arranged to space each of said exit pupils substantially one interpupillary distance (IPD) from at least one other of said exit pupils.
Claim 37
Dependent Claim 109 words
An autostereoscopic display, comprising: a projection system configured to form a plurality of real images; and a plurality of optical field elements arranged to create exit pupils in a hemispheric relationship, each having a focal length and spaced no further than its focal length from a different one of said real images to process that real image into one of a plurality of exit pupils at which the radiant energy density of that real image is maximized; wherein said projection system and said optical field elements are arranged to space each of said exit pupils substantially one interpupillary distance (IPD) from at least one other of said exit pupils.
Claim 38
Dependent Claim 157 words
An autostereoscopic display, comprising: a projection system configured to form a plurality of real images, wherein said projection system including; a plurality of image sources; and a plurality of relay lenses with each of said relay lenses sufficiently spaced from a different one of said image sources, wherein each of said image sources is a cathode ray tube to process it into one of said real images; and a plurality of optical field elements arranged in a contiguous relationship, each having a focal length and spaced no further than its focal length from a different one of said real images to process that real image into one of a plurality of exit pupils at which the radiant energy density of that real image is maximized; wherein said projection system and said optical field elements are arranged to space each of said exit pupils substantially one interpupillary distance (IPD) from at least one other of said exit pupils.
Claim 39
Dependent Claim 157 words
An autostereoscopic display, comprising: a projection system configured to form a plurality of real images, wherein said projection system including; a plurality of image sources; and a plurality of relay lenses with each of said relay lenses sufficiently spaced from a different one of said image sources, wherein each of said image sources is a cathode ray tube to process it into one of said real images; and a plurality of optical field elements arranged in a contiguous relationship, each having a focal length and spaced no further than its focal length from a different one of said real images to process that real image into one of a plurality of exit pupils at which the radiant energy density of that real image is maximized; wherein said projection system and said optical field elements are arranged to space each of said exit pupils substantially one interpupillary distance (IPD) from at least one other of said exit pupils.
Claim 40
Dependent Claim 159 words
An autostereoscopic display, comprising: a projection system configured to form a plurality of real images, wherein said projection system including; a plurality of image sources; and a plurality of relay lenses with each of said relay lenses sufficiently spaced from a different one of said image sources, wherein each of said image sources is an active matrix liquid crystal display to process it into one of said real images; and a plurality of optical field elements arranged in a contiguous relationship, each having a focal length and spaced no further than its focal length from a different one of said real images to process that real image into one of a plurality of exit pupils at which the radiant energy density of that real image is maximized; wherein said projection system and said optical field elements are arranged to space each of said exit pupils substantially one interpupillary distance (IPD) from at least one other of said exit pupils.
Claim 41
Dependent Claim 159 words
An autostereoscopic display, comprising: a projection system configured to form a plurality of real images, wherein said projection system including; a plurality of image sources; and a plurality of relay lenses with each of said relay lenses sufficiently spaced from a different one of said image sources, wherein each of said image sources is an active matrix liquid crystal display to process it into one of said real images; and a plurality of optical field elements arranged in a contiguous relationship, each having a focal length and spaced no further than its focal length from a different one of said real images to process that real image into one of a plurality of exit pupils at which the radiant energy density of that real image is maximized; wherein said projection system and said optical field elements are arranged to space each of said exit pupils substantially one interpupillary distance (IPD) from at least one other of said exit pupils.
Claim 42
Dependent Claim 157 words
An autostereoscopic display, comprising: a projection system configured to form a plurality of real images, wherein said projection system including; a plurality of image sources; and a plurality of relay lenses with each of said relay lenses sufficiently spaced from a different one of said image sources, wherein each of said image sources is a flat panel display to process it into one of said real images; and a plurality of optical field elements arranged in a contiguous relationship, each having a focal length and spaced no further than its focal length from a different one of said real images to process that real image into one of a plurality of exit pupils at which the radiant energy density of that real image is maximized; wherein said projection system and said optical field elements are arranged to space each of said exit pupils substantially one interpupillary distance (IPD) from at least one other of said exit pupils.
Claim 43
Dependent Claim 157 words
An autostereoscopic display, comprising: a projection system configured to form a plurality of real images, wherein said projection system including; a plurality of image sources; and a plurality of relay lenses with each of said relay lenses sufficiently spaced from a different one of said image sources, wherein each of said image sources is a flat panel display to process it into one of said real images; and a plurality of optical field elements arranged in a contiguous relationship, each having a focal length and spaced no further than its focal length from a different one of said real images to process that real image into one of a plurality of exit pupils at which the radiant energy density of that real image is maximized; wherein said projection system and said optical field elements are arranged to space each of said exit pupils substantially one interpupillary distance (IPD) from at least one other of said exit pupils.
Claim 44
Dependent Claim 147 words
An autostereoscopic display, comprising: a projection system configured to form a plurality of real images, said projection system including: a plurality of relay lenses; a time-multiplexed image source configured to display a plurality of successive images; and an optical transmission system configured to transmit each of said successive images to a respective one of said relay lenses; and a plurality of optical field elements arranged in a contiguous relationship, each having a focal length and spaced no further than its focal length from a different one of said real images to process that real image into one of a plurality of exit pupils at which the radiant energy density of that real image is maximized; wherein said projection system and said optical field elements are arranged to space each of said exit pupils substantially one interpupillary distance (IPD) from at least one other of said exit pupils.
Claim 45
Dependent Claim 147 words
An autostereoscopic display, comprising: a projection system configured to form a plurality of real images, said projection system including: a plurality of relay lenses; a time-multiplexed image source configured to display a plurality of successive images; and an optical transmission system configured to transmit each of said successive images to a respective one of said relay lenses; and a plurality of optical field elements arranged in a contiguous relationship, each having a focal length and spaced no further than its focal length from a different one of said real images to process that real image into one of a plurality of exit pupils at which the radiant energy density of that real image is maximized; wherein said projection system and said optical field elements are arranged to space each of said exit pupils substantially one interpupillary distance (IPD) from at least one other of said exit pupils.
Claim 46
Dependent Claim 65 words
An autostereoscopic display, comprising: a projection system configured to form a plurality of pairs of real images, and a plurality of optical field elements arranged in a contiguous relationship each having a focal length and spaced no further than its focal length from a different one of said real images to process each of said pairs of images into a corresponding pair of exit pupils.
Claim 47
Dependent Claim 65 words
An autostereoscopic display, comprising: a projection system configured to form a plurality of pairs of real images, and a plurality of optical field elements arranged in a contiguous relationship each having a focal length and spaced no further than its focal length from a different one of said real images to process each of said pairs of images into a corresponding pair of exit pupils.

References Cited (Backward Citations)

US749754A Cited
WO1993019394A2 Cited
US5365294A Cited
WO1994020875A2 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2001-10-19 2002-04-20 2002-10-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2005-10-19 2006-04-20 2006-10-20 $3760.00 Window Closed / Lapsed
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