EP0508824A1
Expired / Lapsed
EP
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A three-dimensional image display apparatus
Assignee: Sharp Corp
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Filing: 1992-04-10
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Granted: —
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Expires: 2012-04-10
Abstract
Abstract A three-dimensional image display apparatus which includes a plurality of display devices, a first optical arrangement for synthesizing a plurality of images from the image display devices, a second optical arrangement for changing a position where at least one of the images is projected, the first and second optical arrangement synthesizing a plurality of images formed at different positions.
Inventors
- 👤 Yukio Kurata
- 👤 Keiji Sakai
- 👤 Yoshio Yoshida
- 👤 Takahiro Miyake
- 👤 Toshio Ishikawa
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 16:00
CPC Classifications
H; H04; H04N; H04N13/00; H04N13/30; H04N13/388; H04N13/395; G; G02; G02B; G02B30/00; G02B30/20; G02B30/22; G02B30/25; H04N13/302; H04N13/322
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
58 words
A three-dimensional image display apparatus comprising a plurality of display devices, a first optical means for synthesizing a plurality of images from the image display devices, a second optical means for changing a position where at least one of the images is projected, the first and second optical means synthesizing a plurality of images formed at different positions.
Claim 2
Dependent Claim
17 words
A three-dimensional image display apparatus according to claim 1, wherein the first optical means has polarizing characteristics.
Claim 3
Dependent Claim
25 words
A three-dimensional image display apparatus according to claim 1, wherein an irradiating light from the display devices or a reflecting light thereon has polarizing characteristics.
Claim 4
Dependent Claim
19 words
A thee-dimensional image display apparatus according to claim 1, wherein the transmissibility and reflection ratio include wavelength selective characteristics.
Claim 5
Dependent Claim
30 words
A three-dimensional image display apparatus according to claim 1, wherein the second optical means changes the size of a projected image depending upon the position where the image is projected.
Claim 6
Dependent Claim
23 words
A three-dimensional image display apparatus according to claim 1, wherein the second optical means is a lens capable of varying its focal length.
Claim 7
Dependent Claim
37 words
A three-dimensional image display apparatus according to claim 1, wherein each display device is partly erasurable, and the apparatus further comprising means for displaying an overlapping portion of a synthesized image on one of the display devices.
References Cited (Backward Citations)
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