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What's the point of mechanical actuation? - Page 2

post #11 of 37
It's so that you don't have to bottom out, which involves the less than pleasant sensation of the keycap smashing into the keyboard casing.

In reality, it's probably a hangover from typewriters which was imitated by switch designs meant to imitate the feel of typing on typewriters, and then by switches designed to imitate those switches, and switches designed to imitate those switches that were designed to imitate those switches, and so on.
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post #12 of 37
The IBM Selectric II typewriter was imitated by IBM Beam Spring keyboards which were imitated by the IBM Model F which was imitated by the IBM Model M which was imitated by everyone else and made cheaper at each junction.
post #13 of 37
On many typewriters, possibly including the Selectrics, you'd press the key down partially to type a single character, but hold down fully for the typewriter to repeat that character. I think this is why at least typewriters had this phenomenon.
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post #14 of 37
Quote:
Originally Posted by Arrec Barrwin;12472723 
Do you guys understand my question, though? I mean, why bother with the "extra" 2mm after the actuation?

User comfort. It's nice to have a deep press. It's nice to be able to press keys lighter if you want. It's not nice to have keypresses be ignored because you didn't push quite far enough.
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post #15 of 37
^yea, im sure i cant be the only one who finds almost flat keys "ewww" to type on/press
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post #16 of 37
Thread Starter 
Quote:
Originally Posted by ch_123;12472784 
It's so that you don't have to bottom out, which involves the less than pleasant sensation of the keycap smashing into the keyboard casing.

In reality, it's probably a hangover from typewriters which was imitated by switch designs meant to imitate the feel of typing on typewriters, and then by switches designed to imitate those switches, and switches designed to imitate those switches that were designed to imitate those switches, and so on.
Thanks, you answered my question. smile.gif
    
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post #17 of 37
Quote:
Originally Posted by Arrec Barrwin;12472723 
Do you guys understand my question, though? I mean, why bother with the "extra" 2mm after the actuation?
It's a good question, and made me think. After thinking, I answered my version of it for myself by taking it to its absurd extreme. Why bother with keys that move at all? I can use touch screens, etc...

Using my first mechanical KB for only a few weeks now. I think the space I don't need to go, after the tactile/actuation point, is the point. It's the softest of landings.
Edited by denydog - 2/22/11 at 2:02am
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post #18 of 37
Thread Starter 
Makes sense. It makes the actuation much softer as it is not a hard stop.
    
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post #19 of 37
This is an interesting picture from geekhack.


attachment.php?attachmentid=4596&d=1253159610

Shows the point of actuation and the distribution of weight and.
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post #20 of 37
That Asian dude is weird. I just use nickels.
keisoku.jpg

And BTW that particular chart does not show activation/reset points although as you can see on the Green Line the Buckling Spring has an actuation point that is hard to miss.

The RealForce/HHKBs are glorified slightly springier rubber dome force charts.

The ALPS Linear Green is NOT linear. This also is a Typical ALPS mindbending move meant to confuse asian keyboard collectors.
Edited by ripster - 2/22/11 at 1:50pm
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