Stereoscopic projection system employing spatial multiplexing at an intermediate image plane

A technology of stereo projection and projection system, applied in the field of projection system, can solve the problem of not providing time-series images, etc.

Inactive Publication Date: 2012-05-30
REAID INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, currently, a single LC projector does not provide time-sequential images with sufficient frame rate to allow temporal left-eye / right-eye polarization modulation

Method used

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  • Stereoscopic projection system employing spatial multiplexing at an intermediate image plane
  • Stereoscopic projection system employing spatial multiplexing at an intermediate image plane
  • Stereoscopic projection system employing spatial multiplexing at an intermediate image plane

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Embodiment Construction

[0036] Figure 1A is a schematic block diagram of an exemplary projection system 100 in stereoscopic projection mode, Figure 1B is a schematic block diagram of an exemplary projection system 100 in a non-stereoscopic projection mode. Figure 1A and Figure 1B The illustration illustrates the principle that either the stereoscopic module 150 or the non-stereoscopic module 180 can be selectively placed in the light path from the projector. The mechanical assembly 145 may include two modules, a stereoscopic module 150 and a non-stereoscopic module 180, which can selectively slide back and forth between stereoscopic and non-stereoscopic modes depending on whether the media type is stereoscopic or not. Such a configuration may have practical application in theater environments as well as in home and office environments, which require the operator to have minimal technical skills to place in stereoscopic or non-stereoscopic mode.

[0037] Exemplary projection system 100 includes...

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Abstract

Projection systems and methods for providing stereoscopic images viewed through passive polarizing eyewear. The systems relate to projectors that create left and right eye images simultaneously and often as side-by-side images on the image modulator. The systems act to superimpose the spatially separated images on a projection screen with alternate polarization states. The embodiments are best suited to liquid crystal polarization based projection systems and use advanced polarization control.

Description

[0001] Cross References to Related Applications : This patent application is related to and claims priority from the following Provisional Patent Application: [0002] (1) Provisional patent application serial number entitled "Stereoscopic Projection System Employing Spatial Multiplexing at an Intermediate Image Plane" submitted by Robinson et al. on June 29, 2009 No. 61 / 221,482 (“Robinson et al. Provide Patent Application”); [0003] (2) Provisional patent application serial number entitled "Stereoscopic Projection System Employing Spatial Multiplexing Near the Aperture Stop" filed by Schuck et al. on June 29, 2009 No.61 / 221,516; [0004] (3) Provisional patent application serial number entitled "Stereoscopic Projection System Employing Spatial Multiplexing at an Intermediate Image Plane" submitted by Schuck et al. on July 9, 2009 No. 61 / 224,416 ("Schuck et al. Provide Patent Application"); [0005] (4) Provisional patent application serial number entitled "Stereoscopic Pro...

Claims

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Application Information

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IPC IPC(8): G02B27/22G03B21/14G03B35/00G02B30/25
CPCG02F1/133528G02B27/26G03B35/26G02B27/143G02B17/045G02B30/25G03B21/14G03B35/00
Inventor M·H·舒克M·G·鲁宾逊D·J·麦克奈特G·D·夏普
Owner REAID INC
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