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Author Topic: screen masking
Paul Adsett
Film God

Posts: 5003
From: USA
Registered: Jun 2003


 - posted October 02, 2004 02:17 PM      Profile for Paul Adsett     Send New Private Message       Edit/Delete Post 
I am in the process of designing my new home theater, and am wondering how to implement motorised masking of the screen for the various film format ratio's (4:3, 16:9, 2.66:1). Does anybody have a recommended way to achieve this in a simple manner, other than spending a small fortune on a commercially available system. Any suggestions are most welcome.

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The best of all worlds- 8mm, super 8mm, 9.5mm, and HD Digital Projection,
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John Clancy
Phenomenal Film Handler

Posts: 1954
From: Cornwall
Registered: Jun 2003


 - posted October 04, 2004 02:19 AM      Profile for John Clancy   Author's Homepage   Email John Clancy   Send New Private Message       Edit/Delete Post 
Top and bottom masking can be done using a roller blind. Four cords required (i.e. two at either end) to suspend both masks. One cord wraps one way around the roller, the other the opposite way; therefore when one goes up the other goes down. There's a photo of this on www.bfcc.biz/homecinemas2.html
Side masking can be done using an ordinary corded curtain track.

Curtain motors can be attached to each of these for motorized operation. Automation is something that can be added once the installation appears to be working.

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British Film Collectors Convention home page www.bfcc.biz. The site is for the whole of the film collecting hobby and not just the BFCC.

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