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From: robert@uop.UUCP (Robert  McCaul)
Newsgroups: sci.electronics
Subject: Re: How do you build phone off-hook indicator
Message-ID: <527@uop.UUCP>
Date: Sat, 12-Sep-87 23:12:17 EDT
Article-I.D.: uop.527
Posted: Sat Sep 12 23:12:17 1987
Date-Received: Sun, 13-Sep-87 19:49:17 EDT
References: <2172@ihlpf.ATT.COM>
Organization: University of the Pacific, Stockton, CA
Lines: 51
Summary: well...

In article <2172@ihlpf.ATT.COM>, dunn@ihlpf.ATT.COM writes:
> 
> This must be a common annoying occurence in many households, picking up the
> phone to make a call only to hear a conversation already taking place, saying
> "sorry....", and not knowing when to pick up again. 

well in my house we had a great remedy for the problem...
whenever my dad wants to use the phone, he picks it up and says,

"GET OFF THE PHONE, I WANT TO USE IT NOW!!"

this goes over *real* good with others ;-)
but i do have him trained not to pick up the reciever when i am
on the computer, he will come in and tell me faithfully, (set your
rolex by it) that his girlfriend will be calling at 9:30, and could
i please be done with the computer by then..this usually happens at
9 or so, now on to more funnies...will this still work?

(oh shame on you for digging up the past!!)

                                   / S1 
                          -------/   ----
	RED               |             |<--R2 goes here
        -                 |      R1     |
	O-----------------|-----^^^^^^--|-----------O--\
                          |             |               \
                          |      C1     |                \PHONE 
			  ------| |------                / 
                                                        /
                                                       /
	O---------------------------------------------/
	+
	GREEN

S1=SPST
R1=10k .5 watt
R2=10 resistor (listed as brown-black-black)
C1=100 microfarad electrolytic @ 50 volts

S1 should be opened for incoming, and closed for outgoing.

this is from...yep you guessed it..."Steal this book"

(ok so i collect old things...)

it is supposed to cause a payphone to barf out the money when someone
calls your house at a predetermined time.

these things always have my curiousity going.

i figure by now the problem is solved (20 year old book)