`EXHIBIT 2093
`
`
`
`
`
`RE: PBS project at ELCAN
`
`From:
`Matt Cowan <"/o=reald/ou=first administrative group/cn=recipients/cn=mcowan">
`To:
`Joshua Greer <jgreer@reald.com>, Lenny Lipton <llipton@reald.com>
`Cc:
`Rod Archer <rarcher@reald.com>
`Date:
`Wed, 17 May 2006 11:03:10 -0700
`
`Glass reduces the angle and has better polarizing characteristics due n. We can eliminate the outboard prisms and
`use front surface mirrors but there may br good mechanical reasons to use glass.
`
`-----Original Message-----
`From: Joshua Greer
`Sent: Wed May 17 09:48:37 2006
`To: Lenny Lipton; Matt Cowan
`Cc: Rod Archer
`Subject: RE: PBS project at ELCAN
`
`Rod has found a good mechanical engineering group that can help with a mount. I thought we could avoid the glass
`block with silvered mirrors?
`
`J.
`
`Joshua Greer | Chief Executive Officer
`REAL D
`100 N. Crescent Dr. Suite 120
`Beverly Hills, CA 90210
`(p) 310-385-4000 | (f) 310-385-4001 | jgreer@reald.com
`http://www.reald.com
`
`________________________________
`
`From: Lenny Lipton
`Sent: Wednesday, May 17, 2006 8:58 AM
`To: Matt Cowan; Joshua Greer
`Subject: RE: PBS project at ELCAN
`
`
`It's not good to have to throw out 'scope.
`
`We need to have a way to determine the falloff of polarization efficiency with horizontal angle.
`
`________________________________
`
`From: Matt Cowan
`Sent: Wednesday, May 17, 2006 3:57 AM
`To: Lenny Lipton; Joshua Greer
`Subject: PBS project at ELCAN
`
`REALD INC.
`Exhibit 2093-1
`MASTERIMAGE 3D, et al. v REALD INC.
`IPR2015-00035
`
`
`
`
`ELCAN is converging to providing feasibility information to us for a June 5 "meeting". I am expecting that they
`will respond to my request early next week.
`
`Their questions and concerns are principally around the cone angle that needs to be managed by the system. I have
`given them 30 degrees which represents around a 1.8:1 throw ratio. Going wider is significantly problematic. (and
`30 degrees may be, too.) One question we may need to answer is how useful a narrower angle device would be?
`
`The other factor is that this device is going to be a large glass block, weighing kilograms, and too heavy to mount
`directly onto the lens. We will need to think about a means to attach it to the projector, and a means to move it out
`of the way when not needed. (anamorph mount).
`
`Matt.
`
`REALD INC.
`Exhibit 2093-2
`MASTERIMAGE 3D, et al. v REALD INC.
`IPR2015-00035
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