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Let's play a little game...


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#1 Opry99er OFFLINE  

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Posted Fri Jan 18, 2019 4:35 PM

...I like to call, "Mitsumi or no-Mitsumi"

 

 

Since there are usually questions about this, I thought we'd give it a thread with some keycap examples.

 

Here's how the game is played....  Someone posts a picture of a keyboard, and then people get to debate whether it is Mitsumi or no-Mitsumi.

 

I'll start it off with a couple little fellas I found on eBay today.

 

 

Attached File  TI1.jpg   344.54KB   3 downloads

 

 

Attached File  TI2.jpg   451.65KB   3 downloads

 

 

Have fun.



#2 jrhodes OFFLINE  

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Posted Fri Jan 18, 2019 5:28 PM

Just a wild stab in the dark, but i would say

not-Mitsumi for the first unit, Mitsumi for the second unit?



#3 twoodland OFFLINE  

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Posted Sat Jan 19, 2019 1:32 PM

Subject #1:
 
Attached File  Mk1.JPG   140.7KB   2 downloads
 
Subject #2:
 
Attached File  Mk2.JPG   112.27KB   3 downloads
 
Subject #3:
 
Attached File  Mk3.JPG   124.71KB   3 downloads


Spoiler


#4 Opry99er OFFLINE  

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Posted Sat Jan 19, 2019 1:34 PM

Nice!!


In my first post, the first picture was a Mitsumi, and the second was a stackpole. :D

#5 BuckoBrand OFFLINE  

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Posted Sat Jan 19, 2019 5:25 PM

That's cool. What is a Mitsumi?



#6 Opry99er OFFLINE  

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Posted Sat Jan 19, 2019 5:43 PM

One of the manufacturers of TI keyboards. They were produced with a board membrane instead of mechanical contacts. Mitsumi keyboards are considered inferior by most due to their flaky nature and lack of longevity.

Don't worry.... yours is a stackpole. :D
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#7 twoodland OFFLINE  

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Posted Sat Jan 19, 2019 6:19 PM

This is a Mitsumi:

 

Attached File  MitsumiFront.PNG   925.41KB   2 downloads

 

Attached File  Mitsumi.PNG   1.35MB   2 downloads

 

Attached File  MitsumiMylar.PNG   1.22MB   2 downloads


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#8 AwkwardPotato OFFLINE  

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Posted Sat Jan 19, 2019 7:51 PM

If it's not considered cheating, here's a way you can determine the manufacturer of a keyboard when buying a TI (especially if you can't look through the bottom vents):

 

Spoiler

Edited by AwkwardPotato, Sat Jan 19, 2019 7:53 PM.

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#9 Ksarul OFFLINE  

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Posted Sun Jan 20, 2019 10:03 PM

The funny thing about the Mitsumi keyboards is that everyone wanted them BITD because they were generally super-reliable. The problems with them only became evident with the passage of time, as the membranes oxidized and reliability tanked.


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#10 twoodland OFFLINE  

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Posted Thu Feb 14, 2019 9:35 PM

If it's not considered cheating, here's a way you can determine the manufacturer of a keyboard when buying a TI (especially if you can't look through the bottom vents):

 

Spoiler

 

Check this ebay listing out.  It shows a rounded number three key printed on a square-looking edge keycap! Then in another pic of the bottom of the same console, you can see the brown PCB and partial sticker indicating a Mitsumi keyboard.  This throws a wrench in the mix! I guess there will always be exceptions.


Edited by twoodland, Thu Feb 14, 2019 9:38 PM.

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#11 twoodland OFFLINE  

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Posted Fri Feb 15, 2019 6:25 AM

 

Check this ebay listing out.  It shows a rounded number three key printed on a square-looking edge keycap! Then in another pic of the bottom of the same console, you can see the brown PCB and partial sticker indicating a Mitsumi keyboard.  This throws a wrench in the mix! I guess there will always be exceptions.

 

Here are pics for ref:

 

Attached File  Key1.PNG   525.24KB   2 downloads

 

Attached File  Back.jpg   237.3KB   1 downloads


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#12 AwkwardPotato OFFLINE  

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Posted Sat Feb 16, 2019 10:13 AM

 

Check this ebay listing out.  It shows a rounded number three key printed on a square-looking edge keycap!

 

 

Thanks for posting this! The font on those keycaps is especially weird, kinda like the one used on the Commodore machines of the same time period.



#13 Ksarul OFFLINE  

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Posted Mon Feb 18, 2019 6:30 AM

The black Mitsumi keyboards are actually pretty hard to find--but as noted, the font is so wildly different that they are very easy to identify once you know what to look for.


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#14 jmazzy OFFLINE  

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Posted Tue Mar 5, 2019 8:58 PM

Although I've gathered bits and pieces in other posts re: the different TI keyboards, I'm grateful for this thread.  Very informative.  Thank you all for sharing.

 

I picked up this Futaba keyboard on eBay about 6 weeks ago.  Looks like it's never been used.  I tried it it out in my 2nd console, but I think I may have damaged the ribbon cable because, after re-seating it, a few of the keys stopped registering.  (I've ordered a replacement ribbon cable.)

 

IMG 5796
IMG 5797
IMG 5798

 


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