keyboard : Computer Hardware Buyers’ Glossary

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keyboard
Introduction DSK Keyboards
RealForce Gaming Keyboards
Keyboard Size Kinesis Keyboards
Connections Silent Keyboards
Compact Keyboards(no numeric pad) Programmablse Keyboards
IBM Clicky Keyboards Links

Introduction

Keyboards come in two main types, clicky/stiff touch and silent/soft touch. You have to try both to see which you prefer. If you don’t already touch type QWERTY, you might want to consider learning the modern DSK layout instead. That article also talks about the ergonomic Kinesis keyboards. Computers usually come with very low quality keyboards. Spending even $10 extra on the keyboard will greatly enhance your enjoyment. Keys that stick down or keys that don’t register when you hit them can drive you nuts.

Microsoft brand keyboards come with an extra key, decorated with a Windows logo, called the Windows Key. If your keyboard does not have one, you can hit Ctrl+Esc instead.

Black or grey keyboards have the practical advantage of hiding grime. You still have to clean them to get rid of grit and hair that will interfere with the key action.

Ideally every key should have a slightly different shape so your fingers can subliminally tell if they are hitting the correct key. I have conjectured that putting Braille on the keycaps would increase accuracy. At the very least the two home keys should have some sort of distinct shape, a raised dot or bar, or a depression so you can tell when your fingers are properly positioned over home row.

Be very careful not to spill coffee on your keyboard, especially coffee with cream and sugar. You can usually revive a desktop keyboard splashed with black coffee with standard cleaning and drying techniques. You will likely need a whole new laptop if you spill its keyboard with cream and sugar.

Laptop keyboards are fragile, have poor feel and are cramped. I think the designers should drop the numeric keypad to reduce the number of keys across and add an extra row of rarely used keys across the top, or use a layout such as the Kinesis. There is plenty of room vertically for extra keys. One way to get around the quality problem is to use a lightweight aux keyboard you plug into a USB (Universal Serial Bus) port.

Replacement keyboards cost from  $30.00 CAD to  $100.00 CAD Canadian. If the one you are using offends you, throw it out and get another.

I don’t know how they do it, but the Chinese manufacture keyboards for the major companies for $5 each.

Realforce 87U

Realforce 87u

This is the Rolls Royce of keyboards. It uses Topre silent mechanical switches, with variable weighting: 30g, 45g and the Esc key is 55g. They come in many layout variations and key colours. It is hard to find sources. It has only 60 keys compared with the usual 101.

Keyboard Size

How big should a keyboard be?

Connections

There are both corded and wireless keyboards:

The corded versions are more reliable and easy to set up. They do not need batteries. They usually have more lights since the lights are powered by the computer, not by batteries. Corded versions work during boot up.

Compact Keyboards (no numeric pad)

Ideally you don’t want a numeric keypad. Without the keypad the keyboard is considerably narrower. The means you don’t have to stretch to reach the mouse. This saves shoulder strain. Most people never use the numeric keypad. You can buy a detachable keypad you can move out the way when you are not using it. Such narrow keyboards are hard to find at retail outlets.

The ErgoDox EZ is an IndieGogo crowd sourced fully assembled very compact keyboard costing $295.00 USD . It comes in two independently positionable pieces. You can program the function of every key independently. Does not support macros. Uses Cherry MX mechanical switches (blue, black, clear or red). The keycaps come without labels. It is somewhat like the Kinesis, but all keys are on the same plane, not mounted in dishes. It is based on the open source ErgoDox design that comes as a kit. It can be arranged as a tent.

The IBM (International Business Machines) spacesaver model gets rid the numeric keypad with most people never use, thus making the keyboard more compact. The original IBM AT 83-key keyboards with the function keys on the left, were more compact, but are now collectors items and command high prices as do most of the older keyboards. The Unicomp spacesaver retains the numeric keypad. IBM then later, Lenovo made the Spacesaver II Trackpoint with 88 keys. These are sometimes called IBM SpaceSaver keyboards. They have a nice compact layout, but not the clicky touch of the true IBMs (International Business Machineses). They are usually black with a little red knob between the G and H keys. Compaq also makes a keyboard they call the SpaceSaver, but it has a quite large footprint with a full numeric keypad.

A4Tech, Adesso, Cherry, GoldTouch, Gyration, Kinesis, Motion Computing and SolidTek make various compact keyboards.

unifying receiver Usually compact keyboards are wireless. To make them work, you must insert a tiny receiver into one of your USB ports. These things have quite a range. If there are other computers in the same vicinity, what you type may also show upon their screens too. It you buy only Logitech Unifying Receiver products, it is possible to configure every mouse and keyboard in your home to different channels so they do not interfere. In general, some of the receivers work with some of your wireless devices. They all look alike and you accumulate a bagful of them over the years. The industry still has not got their act together on how to automatically avoid interference. Even with Logitech, it can be quite a production to configure. Also consider that using a wireless keyboard makes it easy for amateur spies to monitor everything you type including passwords. All it takes is a $10 device that looks like a charger plugged in nearby logging all your keystrokes. A high quality keyboard uses encryption to defeat this technology.

Shopping for Compact Keyboards

These compact keyboards are in ascending order by list price. This approximates the order of street price.

electronic product image recommend electronic⇒Gmyle Super Slim USB 2.0 Mini Keyboardto electronic home
asin B0046L5CZ2
Small inexpensive, compact keyboard
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electronic product image recommend electronic⇒Logitech K360 Wireless White Keyboardto electronic home
asin B004ZKXXAK
The fashion in keyboards is to use dark colours so they will not show the dirt. This inexpensive keyboard is ivory. Stores don’t let you take keyboards out the box to try, so I can say nothing about its feel.
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electronic product image recommend electronic⇒Solidtek Mini Keyboard, KB-595BUto electronic home
asin B000H3ANV6
Model KB-595BU. Very compact. 88 keys. USB. There is also a BlueTooth and PS/2 version. It is 29 cm (11.3 in) wide. Comes is black and cream. Keys are normal size though shift and enter and small. Almost mechanical feel.
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electronic product image recommend electronic⇒HP Mini Keyboardto electronic home
asin B0025ZSBNG
Keys are full size.
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electronic product image recommend electronic⇒Adesso Mini White PS/2 Keyboardto electronic home
asin B0000ULBF8
Quite compact, White. Comes in PS/2 and USB versions.
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electronic product image recommend electronic⇒Motion Computing Keyboardto electronic home
asin B000SSR9HQ
Has touchpad. It is 30.5 cm (12 in) wide. Comes is black and cream. tech specs.
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electronic product image recommend electronic⇒Evoluent KB1 Compact Keyboardto electronic home
asin B000EMC1HY
It still has a numeric keypad, but on the left, putting the mouse closer to the important keys on the right.
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electronic product image recommend electronic⇒Cooler Master Storm QuickFire Rapid — Mechanical Gaming Keyboard GKCM1to electronic home
asin B007VDKLLM
SGK-4000-GKCM1-US. This keyboard has the legendary Cherry keyswitches, the silent brown style. Also available in Cherry blue and red style. This is a compact layout that makes mouse use easier since the mouse is closer to the home position. details.
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electronic product image recommend electronic⇒Cooler Master Storm QuickFire Rapid — Mechanical Gaming Keyboard GKCL1to electronic home
asin B0068INSUM
SGK-4000-GKCL1-US. This keyboard has the legendary Cherry keyswitches, the clicky blue style. Also available in Cherry red and brown style. This is a compact layout that makes mouse use easier since the mouse is closer to the home position. details
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electronic product image recommend electronic⇒Cooler Master Storm QuickFire Rapid-i Fully Backlitto electronic home
asin B00M562EQU
Cherry blue clicky mechanical switches. Compact. No numeric keypad. Each key separately back lit with white LED.
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electronic product image recommend electronic⇒Matias Mini Quiet Pro for PC Mechanical Keyboardto electronic home
asin B00D3BTMRU
This is a very compact mechanical keyboard with a clicky feel but that has been silenced somewhat. It is still not as silent as say a laptop or membrane keyboard. By eliminating the numeric pad, your mouse is closer. Further the size is reduced making it more portable. It uses a USB connection, not wireless. Specs.
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electronic product image recommend electronic⇒Microsoft Ultimate Keyboardto electronic home
asin B000H12IAC
The Microsoft Wireless Entertainment Desktop 7000, aka Ultimate Keyboard, has no numeric keypad. Microsoft makes the Ultimate Keyboard that has a compact layout and is rechargeable and cordless. I don’t know what the feel is like. One retailer refused to let me take the keyboard out the box to let me test it. I can’t imagine anyone buying a keyboard without testing the feel first. It comes with a mouse, rechargeable batteries and a blue tooth hub. At the right hand edge of the keyboard are three gizmos, but still much narrower than a full numeric pad.
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electronic product image recommend electronic⇒Happy Hacking Keyboard Professional2to electronic home
asin B000F8OECM
dim 29.40 × 12 × 3.99 cm
11.57 × 4.72 × 1.57 in
The unusual feature of this keyboard is the keys have no legends. It forces you to 100% touch-type. It also lets you create alternate layouts without misleading legends. Very compact because it has no numeric keypad. Preposterously expensive. High quality capacitor-style Topre keyswitches. It reduces the typical 104 keys down to 60. There is also a lite version for ¼ the cost. The silent version is considerably more expensive.
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electronic product image recommend electronic⇒Kinesis Advantage USB Keyboardto electronic home
asin B000LVJ9W8
This model is QWERTY only. I use an older version of this keyboard and I highly recommend it. It has a logical embedded numeric keypad. With the Kinesis, you can place your mouse right next to the left or right shift key, so you don’t have to reach way over every time you need to click. They come in QWERTY/DSK, black/white, USB/PS2 variants. Don’t buy this keyboard at the outrageously high retail list price. Shop around for new and near new on eBay and you may save a bundle. Check out similar models too.
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electronic product image recommend electronic⇒Kinesis Advantage USB DSK/QWERTY Keyboardto electronic home
asin B004WSKHRW
This is the dual QWERTY/DSK model. I use an older version of this keyboard and I highly recommend it. It has a logical embedded numeric keypad. With the Kinesis, you can place your mouse right next to the left or right shift key, so you don’t have to reach way over every time you need to click. This model works in either QWERTY/DSK mode with dual keycap legends. This model will be rare in the used market. Check out similar models too.
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electronic product image recommend electronic⇒Lenovo Thinkpad wired Compact USB Keyboardto electronic home
asin B002ONCC6G
Has a TrackPoint that can pinch hit for a mouse.
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electronic product image recommend electronic⇒Microsoft Arc Compact Keyboardto electronic home
asin B003BL9HKO
dim 3.81 × 16.51 × 32 cm
1½ × 6½ × 12.60 in
Remarkably small. Works on PC or Mac. Wireless to USB. Uses non-standard rocker key in bottom right corner instead of four arrow keys. Silent. Much cheaper in Canada than in the USA. Quite compact. The keys are smaller than usual. This will interfere with touch typing, especially if you have big hands. Uses a scissor key mechanism which is quiet and durable, but without the same satisfying feel of mechanical keyboards. Specs.
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IBM Clicky Keyboards

IBM Model M SpaceSaver
IBM Model M SpaceSaver
IBM Model M
IBM Model M
IBM Model M keyboards are in a class by themselves. They use a mechanical flapper plate for deep stroke, loud click and shock absorbers for your fingers. If you like your keyboards to fight back with strong resistance, more like a manual typewriter, you will like these. They are heavy, about 3.18 kg (7 lbs). Don’t ever take a buckling spring keyboard apart, other than to pop the keycaps for cleaning. You will never get it back together again. If you key in a room with other people, they might not like the clatter. I find it useful feedback. They were manufactured by IBM, later Lexmark and later Unicomp.

Most modern keyboards have a USB connector. Older keyboards use a small round PS/2 6-pin mini-DIN connector. Even older ones use a large round 5-pin DIN (Deutsches Institut für Normung/German Institute for Standardisation) connector. Before you buy, factor in the cost of the various converters you may need. Make sure the converters are designed to provide extra power to the older style keyboards.

Rocketfish keyboards are not as clicky as IBM ’s, but they are considerably more clicky than most. Logitech keyboards are slightly more clicky than average.

 

IBM’s buckling spring key mechanism
IBM’s buckling spring key mechanism

The key to IBM ’s feel, is a mechanical buckling spring. When you press the key, the spring buckles, flipping a plate closer to the base. This changes the capacity of a capacitor embedded in the base. The change is electrically detected. There are no actual contacts to corrode.

IBM Model M Clicky 101-key Keyboard Dimensions
width 48.89 cm (1.60 ft)
height 20.95 cm (8¼ in)
depth lowest point 1.90 cm (¾ in)
depth highest point 3.81 cm (1½ in)
Weight newer Lexmark (blue label) 2.27 kg (5 lbs) to 2.49 kg (5½ lbs)
Weight older (19851992) IBM (white label) 2.49 kg (5½ lbs) to 2.72 kg (6 lbs)

Gaming Keyboards

Gaming keyboard such as the Razer Tarantula have a number of features that can be useful to non-gamers as well.

Keyboard Design Principles

If I were to design a keyboard from scratch, here are the principles I would employ:

Silent Keyboards

If people complain your typing is too loud there are three approaches to mollifying them:

  1. Get a keyboard that makes less noise.
  2. Learn to type in a way that makes less noise.
  3. Do something to muffle the noise.

Here are keyboards listed noisy to quiet:

  1. original IBM mechanical keyboards with buckling springs and Hall effect flapper plates.
  2. Cherry blue mechanical keyswitches.
  3. Cherry brown mechanical keyswitches.
  4. Cherry red mechanical keyswitches.
  5. Matias silent mini pro with mechanical keyswitches.
  6. scissor keyswitches.
  7. rubber dome
  8. rubber membrane
  9. virtual (tap a glass plate with keys projected onto it.)

The catch is, the quieter the keyboard, the crummier the feel.

Especially if you learned to type on an old manual Underwood typewriter, most of the noise of your typing comes not from the keyboard, but from your fingers slapping the keys. Practice stroking the keys as lightly as possible and still have them trigger. Modern keyboards need much less pressure to get them to trigger reliably than the early computer keyboards.

I have seen a device advertised on the net that is essentially a plastic bag. You put your keyboard in it. I doubt it would make much difference to the sound. It would have to interfere with your typing.

Programmable Keyboards

The Kinesis people are working on a new keyboard that you can program (layouts and macros) via the USB port.

The Kickstarter Das Keyboard 5Q project lets you modify the colours the the key legends over the Internet. It uses Omron (not Cherry) mechanical switches. You might use the colours to monitor status of a set of servers or alarm conditions. You could use the colours to warn you of incoming email from various people. The project works out of Texas, not Germany.


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