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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Shop\-talk\]\s+Chamberlin\s+Garage\s+Door\s+Opener\s*$/: 3 ]

Total 3 documents matching your query.

1. [Shop-talk] Chamberlin Garage Door Opener (score: 1): Author: "Bob Nogueira" <nogera@worldnet.att.net>; Date: Tue, 22 Jan 2008 18:00:20 -0600; Kind of a stab in the dark here but the group has never failed me so let me give it a go. I have a Chamberlin Garage door opener (chain drive) that I have converted to open my driveway gate. It has w; /html/shop-talk/2008-01/msg00167.html (7,802 bytes)
2. Re: [Shop-talk] Chamberlin Garage Door Opener (score: 1): Author: "John T. Blair" <jblair1948@cox.net>; Date: Tue, 22 Jan 2008 19:23:07 -0500; Bob, I thought most obstical sensors were photoelectric beams. An LED either visable or IR would emit a light beam to a photo receiver. If the receiver does not get the light it opens the circuit so; /html/shop-talk/2008-01/msg00168.html (9,031 bytes)
3. Re: [Shop-talk] Chamberlin Garage Door Opener (score: 1): Author: "David Scheidt" <dmscheidt@gmail.com>; Date: Tue, 22 Jan 2008 19:44:59 -0500; Garage door openers have two (some have more, these days) safety system. One is the optical beam sensor. The other is force limiting. If the door hits something, it's supposed to stop and reverse to; /html/shop-talk/2008-01/msg00170.html (8,894 bytes)

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