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LED games and you !
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blue6demon
Adventure Vision


Joined: 31 Oct 2005
Last Visit: 01 Feb 2024
Posts: 442
Location: Montreal, QC, Canada

PostPosted: Thu Mar 15, 2007 4:04 pm    Post subject: Reply with quote

My wife really thinks i'm an overgrown kid ... she keeps asking when that hobby of mine will end, i always answer that there is still a dozen more i need Laughing
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LEDFreak
Entex Crazy Climber


Joined: 04 Oct 2006
Last Visit: 08 Aug 2020
Posts: 56

PostPosted: Mon Mar 19, 2007 9:36 pm    Post subject: Reply with quote

Oh, yeah! That's why my name is LEDFreak!
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blue6demon
Adventure Vision


Joined: 31 Oct 2005
Last Visit: 01 Feb 2024
Posts: 442
Location: Montreal, QC, Canada

PostPosted: Tue Mar 20, 2007 4:21 am    Post subject: Reply with quote

Do you have any preferences LEDFreak ?
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LEDFreak
Entex Crazy Climber


Joined: 04 Oct 2006
Last Visit: 08 Aug 2020
Posts: 56

PostPosted: Thu Mar 22, 2007 6:27 pm    Post subject: Reply with quote

Well, I'm partial to LED games that have the little line segments, like most of the Mattel sports games, and Coleco Elec. QBack. as opposed to the round LEDs. So there are quite a few that I really like. I didn't really have too many opportunities to play VFD games as a kid...mostly we had the LEDs. I still love those old LED watches and calculators!
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blue6demon
Adventure Vision


Joined: 31 Oct 2005
Last Visit: 01 Feb 2024
Posts: 442
Location: Montreal, QC, Canada

PostPosted: Fri Mar 23, 2007 2:32 pm    Post subject: Reply with quote

Yeah i have to say that you guys are rigth the slim LED's are sexier (can i really say this Laughing). As a kid i was dreaming of having the Mattel Hockey (hey i'm Canadian this is OUR sport) but i ended up with the Entex version. Wich is probably why i have a soft spot for those round LED's.

Now that i have all (missing the soccer 2) the Mattel's ones, i can say that they are prettier.
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Rik
Site Admin


Joined: 07 Oct 2005
Last Visit: 25 Mar 2024
Posts: 1932
Location: California

PostPosted: Fri Mar 23, 2007 4:14 pm    Post subject: Reply with quote

Soccer 2 here:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=280096964532

Don't miss it! Mr. Green
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blue6demon
Adventure Vision


Joined: 31 Oct 2005
Last Visit: 01 Feb 2024
Posts: 442
Location: Montreal, QC, Canada

PostPosted: Fri Mar 23, 2007 10:05 pm    Post subject: Reply with quote

Yeah it's on my checklist !!! Don't you guys dare touch it !!!! Laughing
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Neil UK
Atari Cosmos


Joined: 08 Oct 2005
Last Visit: 04 Jul 2023
Posts: 767
Location: South Wales.

PostPosted: Sat Mar 24, 2007 4:00 am    Post subject: Reply with quote

I've been wondering this for a while. Are the round LED's and 'line segment' LED's a different technology or have the round ones just got a much bigger glass area?

Which was invented first? My first LED game was a 'line segment' type.

Neil.
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blue6demon
Adventure Vision


Joined: 31 Oct 2005
Last Visit: 01 Feb 2024
Posts: 442
Location: Montreal, QC, Canada

PostPosted: Sat Mar 24, 2007 8:11 am    Post subject: Reply with quote

The first LED'S that were used as far as i know were the round ones, they used them in industrial compounds for machinery, for what exactly i'm not sure...
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Rik
Site Admin


Joined: 07 Oct 2005
Last Visit: 25 Mar 2024
Posts: 1932
Location: California

PostPosted: Sat Mar 24, 2007 1:48 pm    Post subject: Reply with quote

They are similar technology, but usually applied to the motherboard differently. Round LEDs are made like little light bulbs that are attached to the circuit board, while the line-segment type are usually manufactured right on the board. If you ever take apart a Mattel game, look closely at the display under a magnifying glass, you will see what I mean...

The round-types have been around since the early '60s (although some of the basic technology was first discovered in 1907). More than you ever wanted to know:
http://www.wavicle.biz/led_history.html

Now, the reason the Mattel games use the line-segment type is a little more interesting. Calculators in the 70s and early 80s all used LED displays with a different line-segment representing each of the 7 'parts' of a digital number 8. The first Mattel games were actually made from calculators that were re-programmed to function the way we all know. So, they just basically 'took apart' all the number 8's on the calculator display and re-arranged them into the Football (or whatever) pattern we all love so much.

That's also the reason you can't play the game and see your score at the same time: 70's calculators didn't have enough number 8's to represent that many line-segments at once, and they weren't about to re-design the circuitry.

Rik
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Neil UK
Atari Cosmos


Joined: 08 Oct 2005
Last Visit: 04 Jul 2023
Posts: 767
Location: South Wales.

PostPosted: Sat Mar 24, 2007 2:18 pm    Post subject: Reply with quote

Thanks Rik Smile . I thought you'd know the answer Wink

Great info on the early Mattel games too!

Neil.
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blue6demon
Adventure Vision


Joined: 31 Oct 2005
Last Visit: 01 Feb 2024
Posts: 442
Location: Montreal, QC, Canada

PostPosted: Sat Mar 24, 2007 6:34 pm    Post subject: Reply with quote

Wow ! Impressive Rik ! Thanks for the all the info ! Very interesting site, i thougth they were used for photo-electric on the firsts devices but i wasn't sure.
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