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Article #1567

Re: 7-segment LCD (6 segments suffice)

#1567
From: SKY
Date: Thu, 08 Jan 1987 18:40
34 lines
1348 bytes
It can be done with 6 segments provided you are willing to go to curved
segments. Here is the basic layout:

	-----
	|   /
	\_ /_
	 /   \
        /    /
        -----

Label the segments a-f from top to bottom, left to right.

0: def
1: cd
2: acdf
3: acef
4: bcd
5: abef
6: cdef
7: acd
8: abcdef
9: abcd

Comments: 0 is half height. 4 looks funny but with a little juggling
can look good. The tops should have rounded edges to help.  It also
helps to skew the whole figure so the diagonal is about 15 degrees from
the vertical.  7 gets fair treatment this time.

I wish I could say I invented this but I saw this in a very old
flourescent display calculator some 10-15 years ago. There may
be a patent on this scheme. I have always wondered why this
encoding hasn't been made more popular.

	Ken
Technical Details
Message-ID: <23668@rochester.ARPA>
Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!rochester!ken
References: <668@instable.UUCP>

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!rochester!ken
From: ken@rochester.ARPA (SKY)
Newsgroups: comp.terminals
Subject: Re: 7-segment LCD (6 segments suffice)
Message-ID: <23668@rochester.ARPA>
Date: Thu, 8-Jan-87 13:40:07 EST
Article-I.D.: rocheste.23668
Posted: Thu Jan  8 13:40:07 1987
Date-Received: Thu, 8-Jan-87 22:38:56 EST
References: <668@instable.UUCP>
Reply-To: ken@rochester.UUCP (SKY)
Organization: U of Rochester, CS Dept, Rochester, NY
Lines: 34