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Prandtl-Glauert singularity observed in condensation from F-18 in transonic flight.

High aspect ratio modified QWERTY layout advantages human motor memory resulting in rapid target acquisition.

 
Sometimes speed is obvious.

 
Sometimes not.

    
     

    Proven.

 

Delta II has been tested by hundreds of users ranging from 8-years old to 83-years old. This includes people with various keyboard experience, people from countries with different dialects, touch typists, two-fingered hunt-and-peck typists, women with medium length fingernails, and men with particularly large hands. People prefer phones hosting Delta II keypads because Delta II gives them exactly what they want, with no downsides, no compromises - unusual in the real world.

 
 
Comments from individuals who tried a Delta II prototype or the online simulator:

 
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It works  :)  it's way more logical than the alphabetic layout. Good work, can't wait to have this on my phone.

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And finally, I found the website ChicagoLogic.com. Is there a keyboard layout for mobile devices that’s better than a QWERTY layout? These guys think so. I took their typing challenge and I must say that their layout works very nicely for a small handheld device.

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The one on the left (Delta II) is for sure the fastest.

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I tried using this (IBM Shark Keypad) and found the keyboard layout confusing and slow. After some experimentation, I redefined the layout based on the Delta II keyboard layout. See http://www.chicagologic.com/overview.htm for example. Using this method, I find I can type a lot faster, also they is virtually no learning curve.

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I am not inclined at all to go back and use that horrible ABC keypad.

Delta II:  20 WPM
Alphabetical:  11 WPM
Standard:  7 WPM

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That's actually quite excellent. I tried it only twice and managed to be typing at a respectable pace - not as fast as I would on a standard cellphone keypad, but I'm a very quick texter and I've been doing it for a fair amount of time now. I think this is definitely the future. With two fingers it would be even faster than my ordinary texting, despite the fact that it's all new to me.

Just tried it again (this time I used two fingers pressing the "buttons" on my monitor), and it was fractionally faster than my ordinary texting.

This is definitely the way of the future. Bravo!

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The delta II was slower on my first attempt than the numeric keypad (I assumed it would do T9words). But on my second attempt on the Delta II, I was almost twice as fast.

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can't wait to see a phone with this keypad. good job!!!

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Excellent. 9 years in product design, 10 years as a programmer, Delta II is INSPIRED.

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I tried the keyboard and was able to get close to your stated times after just a few minutes.

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It was like my finger knew where the letters were even though I had never used the interface. Since everyone uses QWERTY keyboards, it's almost like an instinct!

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I haven't used a T9 keyboard so I had a similar familiarity with both. The Delta II seemed more "intuitive" & I think it'll take off.

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I was able to use it immediately with good results, however after a full day of usage it was a huge improvement over anything else. 

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Wow!  I like the setup and how it looks like a real keyboard - it makes it a lot easier to type with.

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This is awesome.  The kids took to it like ducks to water.

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Introducing the "Delta II" keypad. It's laid out in a similar fashion to your standard computer keyboard. No key is more than one space away from where you would expect it to be on a regular "QWERTY" keyboard.

The 55 keyboard looks complicated, but i had a go at the simulation on the http://www.chicagologic.com/ website and in a few minutes I was typing away much faster than I ever could on my standard phone keypad.

Now if they only had a phone that came with the keypad installed.

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I've been to your web site and it is an ingenious keyboard. Anybody who types will pick it up fast.

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I love the way this feels - I want one!

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It not only stands up to scrutiny, it delights in a magic seldom seen in an innovation - sheer simplicity and performance, with everything you want, and nothing you don't.

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I tried the test and I can see why folks like it.  Great job!

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Awesome! Thanks for the info.

See, this is what I am talking about in my post. I appreciate the heads-up for another solution that looks great to implement on a mobile phone and I truly wish that some of these unique new keyboards/keypads would come out on a device. I'm afraid that carriers and manufacturers may be too apprehensive about coming out with something out of the norm and hope that when someone does it takes off and people embrace it.

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Intuitive.

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this is my first time texting and i really like it but i hate this keypad on my phone.  and it's even harder for me because i know there is something better out there and i cant have it.

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The typing speed was significantly higher than on a common cellphone and even the Treo.

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Fascinating.

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I recently came across your website and found the details about the 'Delta-II' keypad. I am overwhelmed by the sophistication and innovation of the design and I am keen to know more information. But, first accept my sincere appreciation for the great innovation.

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wow

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Here's the deal...   I haven't found anything to top your keypad out there and I have been LOOKING.

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I don't use text much on my current cell phone because it is so slow.  I would most likely use it quite a bit if I could use the Delta II format, since I have typed for over 30 years.

My starting time was 29.6 (seconds) and my ending time, after 4 attempts, was 22.7   (Delta II).

With the current cell phone set up, my starting time was 80.2 and my ending time, after 4 attempts, was 64.6.

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Delta II is really quick!

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It may look a little odd, but the cool thing is that it fits a QWERTY keyboard into a regular sized handset. I tried the speed tests found on the first link in my above post, and I did do quite well with the Delta II. I imagine with a little practice it would be very speedy.

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The Delta II keypad is a special kind of QWERTY keypad that's supposed to be very comfortable to type on (I did a typing test on the site, and I'm amazed I can already type nearly as fast as a Blackberry keyboard in less than 5 minutes of practice). Now I believe that if there is ever a miniaturized Blackberry, it must use this keypad. Formerly I thought that it might be sacrilege, but now that I did some typing tests on Delta II, I am now a believer.

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I can't imagine typing emails on a Treo 600.  The Delta keypad looks promising. The fact that it's not an exact QWERTY layout won't matter to most people I think ... it's a different ergonomic anyway on a handheld where you are typing with your thumbs vs. a regular keyboard where you are using anywhere from 1 to 10 fingers to type.

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Nice idea, the simplest are always the best.
just had to say so. good luck, hope the product makes it to market.

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very cool

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Get this on the market NOW!!!

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ya that rocks

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Subject: Style parallels function

To Whom It May Concern:

I was completely excited by the news (found on www.mobile9.com) of the Delta II keyboard.

I am just a consumer out there... of no real importance in the grand industry scheme of things. But I pride myself on being astute enough to
recognize a breakthrough when I see one...
....
BTW, the subject of this note references your website, the style of which parallels the functionality of your groundbreaking keyboard
design; in a word -- elegant!

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Brilliant idea!  Ergonomics is the key though as Mr. Suess mentioned.

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Amazing how well I have seemed to pick it up. It seems so natural after just a few trys!

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looked at it and thought it was kinda weird, like how can people get used to it? its so different, well i tried it and felt kinda like i knew where the keys were, (like on a normal keyboard) still needs getting used to though. very very good though.

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I was surprised how much searching I did on the alphabet keyboard. Still faster than the usual cell keypad that requires multiple taps to get to the letter you want, but the Delta II seemed very natural, only a limited amount of hunting, and over twice as fast as the cell keypad. I want one!

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Looks Good! I am a fair typist. I simulated typing the text using only my right hand. The results were excellent. Congratulations on an excellent design.

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even using predictive text input with the standard mobile phone keyboard i am over twice as fast on the delta 2. although my friends that send 20+ text messages per day i think would be as fast with standard keypad

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you are right on...please make one for my GSM phone! I 'd buy!

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Hello, I recently visited your site and am interested in your Delta II keypad. Can you give me any examples where the pad is in use, I have a product in development and your pad configuration is quite nice.
...

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Faster - I like it alot.

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I was surprised to find myself interacting with the layout fairly easily even given the every-other-letter wrapping pattern.

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Is your company public? Your product and vision is simple yet brilliant. I would purchase stock in this idea in a heartbeat. I sure hope you are able to convince the industry to see your way.

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I was able to do each test only once due to a bad shoulder but here are the results: The first keyboard I did 4wpm, the second keyboard I did 5 wpm and on Delta2 I did 10wpm

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Sounds crazy, and I didn’t do the “air typing” demo properly, but I was definitely quicker and more relaxed with the qwerty (Delta II) arrangement.

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I have good news. My typing times are 12 (Standard), 13 (Alphabetic) and 21 (Delta II).

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Standard: 6 WPM
Alphabetic: 8 WPM
Delta II: 15 WPM

Amazing, I would have thought the Alpha would be more "natural" to type with.

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Cool. It was very intuitive. Here are my scores (doing it one-handed).

1st pad: 81.4    6wpm     (Standard)
2nd pad: 60.8   8wpm     (Alphabetic)
3rd pad: 36.7   14wpm    (Delta II)

Let me know when I can expect to see Delta II on a device.

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My scores were 16 (Standard) - 16 (Alphabetic) - 36 (Delta II)

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I was very surprised to see me moving around the keypad (Delta II) - i could get used to that - i think - easier than the first (Standard) and second (Alphabetic) pad.

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ok, my 3 scores were: 10 for the first (Standard), 15 for the second (Alphabetic) and 21 for the third (Delta II).  that was one handed....if that matters!

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STATISTICS

SMS revenue worldwide in 2008 was approximately $100 billion dollars.

yet...

69% of mobile phone users don't use SMS because they dislike typing text on the keypad.  - Roper

46% of users don't use any of the text-entry related functions on their phones for the same reason.  - Roper

73% of current SMS users would send more text messages if they had a better keypad.  - SMS.ac


QUOTES

"As more services are added to the phone, the ability to navigate around the handset in an easy and straight-forward manner becomes paramount."  - J.D. Power

"If you can pack in a Qwerty keyboard and not radically change the form factor, you have some very good potential." - Yankee Group

 


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  Delta II ™       people type faster on it

Patented & Patent Pending     Chicago Logic Incorporated     deltaii@chicagologic.com