Film-Tech Forum ARCHIVE: Advanced Cinema Systems shaft encoder pulse rate..

This is topic Advanced Cinema Systems shaft encoder pulse rate.. in forum Film Handlers' Forum at Film-Tech Forum ARCHIVE.

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Posted by Tony Bandiera Jr (Member # 2365) on 10-12-2009, 01:45 PM:

Got one for Clint:

What is the pulse per revolution rate of the Advanced Cinema Systems shaft encoder? [Confused]

Got a room with two of them and need to change the pulley ratio to get to 10 pulse/frame.

Posted by Clint Koch (Member # 1179) on 10-12-2009, 03:34 PM:

Wow, that goes back before I came on board with Jack. Anyway, I questioned Jack and from his memory it should have 4 notches which equates to 360 RPM and 24 pulses per second. Jack was impressed that you had two still in service.

Posted by Tony Bandiera Jr (Member # 2365) on 10-14-2009, 12:09 PM:

LOL I kinda figured it would go way back. I first met Jack when I was working at Universal Projector back in '84-'85 and IIRC that was about the time Jack had changed the company name to Ultra*Stereo.

Yeah, these encoders are still going strong. The location is using a footage counter and needs better resolution so we're going from the current single pulse per frame to ten.

Thanks for the help Clint, tell Jack thanks.

This BTW is why I have always liked Ultra*Stereo, they always come through when support is needed! [thumbsup]