Immersive 3D Displays
Key Features:
Affordable turn-key solution
8'x6' screen, rear-projection unit, only 8' deep
- Bright stereo graphics (newest digital projectors)
Large screen size within small footprint
- Multi-use: mono, stereo, tracked stereo (VR)
Turn-key VR system (optional):
- VisTrackTM wireless optical head-tracker
- 6 DOF tracked input device (wand)
- Performance of latest PC graphics hardware
Open and familiar development environment
- Pre-configured for common VR libraries
- Turn-key demo applications pre-installed
The VisBoxTM and VisDuoTM products from VisBox Inc. are immersive 3D displays that allow users to explore 3D models with the added benefit of stereo 3D graphics. These displays can also be configured as turn-key VR systems with head and wand tracking. For more information about immersive 3D applications please contact us.
The VisBox product line features fully-enclosed rear projection systems that make use of internal mirrors to provide large screen immersion within a compact footprint. The VisDuo product is a loosely coupled system that provides a stereo projector pair and a separate screen. The modular design of the projector positioning system allows the VisDuo to be used with either a table or a ceiling mount and with either front or rear projection. The key differences between the VisBox and VisDuo products are illustrated below.
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| VisDuo (front) | VisBox-SX8 | VisDuo (rear) | VisDuo (front) | VisBox-SX8 | VisDuo (rear) |
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The example above illustrates the difference between the VisBox and VisDuo products. The drawing shows 3 ways to achieve an 8'x6' stereo display. On the left is a front-projected VisDuo with a screen mounted on the wall and the projector-pair mounted from the ceiling. It does not take up any floor space but users cannot stand close to the screen without casting a shadow. In the middle is a VisBox-SX8. It is a fully enclosed rear-projection unit and only takes up 5' of depth. On the right is a rear-projected VisDuo with the projector-pair mounted on a table or floor stand behind the screen. Users can get close to the screen, but the system requires more than 10' of depth behind the screen (the exact depth depends on the projector model used).
The table below highlights the key differences between the VisBox and VisDuo products.
VisBox(all models) |
VisDuo(front) |
VisDuo(rear) |
|
|---|---|---|---|
| Screen Size | 8 models or custom | Wide range | Wide range |
| Usage modes | mono, stereo, tracked VR (Smaller groups standing close to display) |
mono, stereo (Larger groups sitting farther from display) |
mono, stereo, tracked VR (Smaller groups standing close to display) |
| Footprint | compact | no floorspace but significant air space for light path | deep |
| Ambient light issues | rejects (fully enclosed) | susceptible | susceptible |
| Stable/Secure | tightly integrated, enclosed | mounted overhead | loosely coupled, exposed |
| Portable | 2 of the 8 models are portable as a unit, but are bulky | Yes, but with minor reassembly and realignment | Yes, but with minor reassembly and realignment |
| Relative Cost | $$ | $ | $ |
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Stereo Method
Most VisBox and VisDuo products are available with linear polarization, circular polarization, Infitec, or active stereo. The tradeoffs between different stereo methods are shown in the table below, courtesy of Rod Sterling from JVC North American R&D Center:
| Method | Ext. Ratio | Head Rotation | Screen | Glasses Cost | Other | |
|---|---|---|---|---|---|---|
 |
Passive Linear | >250:1 | Strong | Polarizing Required | Low | |
|
Passive Circular | >100:1 | Invariant | Polarizing Required | Mid | |
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Passive Infitec | >1000:1 | Invariant | Invariant | Mid | |
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Active | >100:1 | Invariant | Invariant | High | batteries, IR emitter |
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