[GreenKeys] Interesting 8-level Reader

[Don Robert House]

Interesting that you mention "shed some light."
Does the device use lamps and photocells?
What does the reading mechanism look like.

Don
K9TTY


On 30 Aug 2013, at 5:46 PM, Cory Heisterkamp wrote:

Thought you guys might get a kick out of this, and maybe someone can  
shed some light on its purpose. I picked it up since it's a mechanical  
stepper and has physical contacts. There's a sticker on the side  
marked "Bell & Howell" and it appears to be made by Tally. Now here's  
the neat thing, there's a 'tape out' sensing switch on BOTH sides of  
the reader head AND a differential with two solenoid releases that  
allows you to step the tape both forward AND backward. Pretty cool!  - 
Cory
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