The VisDuo™, VisBox™, and VisCube™ products 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. Read more about immersive 3D applications.

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.

VisDuo (front) Passive Stereo Display

VisDuo (rear) Passive Stereo Display

VisBox Immersive 3D Display

VisCube Multi-screen Immersive 3D Display

Stereo Method

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Most VisDuo, VisBox, and VisCube products are available with 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
	Passive Infitec	>1000:1	Invariant	Invariant	High	color correction
	Active	>100:1	Invariant	Invariant	High	batteries, emitter

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VisBox vs VisDuo Comparison

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VisDuo (front)	VisBox-SX8	VisDuo (rear)	VisDuo (front)	VisBox-SX8	VisDuo (rear)
view from up high			view from the side

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	standard 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	Some of the smaller 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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