Editing Topre short-throw keyboards

<!-- Keeping this here for now just in case  /tactica

{{infobox dswitch
| image name        = MD01B0 - Short-throw Switch.jpg
| contact mechanism = [[Contact mechanism#Capacitive|Capacitive]]
| manufacturer      = [[Topre]]
| product code      = 
| switch type       = Tactile
| actuation force   = 55 cN
}}

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{{TODO photo|more=true}}

{{infobox dkeyboard
| image name   = MD01B0 - Short-throw Switch.jpg
| name         = 
| pn           =
| fcc          =
| branding     = [[Topre]], Mitsubishi, CTCSP and others
| manufacturer = [[Topre]]
| switch       = [[Topre switches|Topre]]
| layouts      = 
| interface    = [[PS/2]], [[USB]]
| weight       = 
| years        = 
| price        = 
}}

'''Topre short-throw keyboards''' are compact layout, low profile, [[Throw#Key_travel|short-throw]] (shortened travel) keyboards produced by [[Topre]] for the OEM market and adopted by various companies such as Mitsubishi and CTCSP. They use a smaller variant of the [[Topre switches|Topre capacitive switch]]. The known variants of this board have either [[PS/2]] or [[Sun Microsystems|SUN]] connectors.

==PS/2 connector==
===HE0100===
The HE0100 is one of the more readily available of the Topre short-throw keyboards. The HE0100 has a black case and white/grey keycaps. The dimensions of the HE0100 appear to be slightly different than other variants in that the front edge of the keyboard is straight, not curved. It interfaces via detachable PS/2 connector on the right side. It is 300 mm long and 170 mm wide. The HE0100 was also included with a Japanese IBM tablet, the 9103-A22<ref name="komotch2-HE0100"/>.

[[File:User1589 pic64 1254427856.jpg|300px|HE0100]]

===MD01B0===
The MD01B0 is also relatively common like the HE0100 and appears on auction sites like Taobao and Yahoo Auctions Japan from time to time. The MD01B0 has a white case, with white/grey keycaps and the same 90-key Japanese layout as the the HE0100. It interfaces via detachable PS/2 connector on the left side. It is 300 mm long and 180 mm wide.

[[File:MD01B0 - Front.jpg|300px|MD01B0]]

===DG0300===
Not much information is available for this keyboard, but it looks to be similar to the MD01B0 in both colour and dimensions. It also has the same 90-key Japanese layout. The dimensions, location of PS/2 connector and whether or not this keyboard has height-adjustable feet are unknown.

===DG03B0===
This board is also similar in appearance to the MD01B0. It interfaces via detachable PS/2 connector on the left side. It has height-adjustable feet and shares the same 320×180 mm dimensions.

===DG03C0 / DG03C===
Another variation of the DG0300. It interfaces via detachable PS/2 connector on the right side. It has height-adjustable feet and appears to have the same 320×180 mm dimensions as the DG03B0. Model names DG03C0 and DG03C<ref name="MouseFan-DG03C"/> have been reported. It is unknown if there is any difference between the two.

===M6905-4===
The M6905-4 is cosmetically similar to the MD01B0, however it has been rebranded as Mitsubishi. It also does not have height-adjustable feet. Like the MD01B0, it interfaces via PS/2 connector on the left side. The M6905-4 is 300 mm long and 180 mm wide.

===HT-3731-3S5===
The HT-3731-3S5 is a HITACHI branded version that looks to be identical to the M6905-4. It does not have height-adjustable feet and also interfaces via PS/2 connector on the left side of the board. It is likely 300mm x 180mm but this is unconfirmed.

==SUN connector==
===Topre SparcStation Compatible Keyboard===
The Topre SparcStation Compatible Keyboard has an ASCII layout and is likely 320×180 mm. It does not have cursor keys. It interfaces using a SUN connector but it is unknown what side the connector resides on or if this keyboard has height-adjustable feet.

===CTCSP CKR-MIN===
Not much information exists for this keyboard. It interfaces using a SUN connector but it is unknown what side the connector resides on or if if this keyboard has height-adjustable feet. It was very likely the predecessor to the CKU-MIN and CKJ-MIN boards and did not have cursor keys or a Num Lock key.

===CTCSP CKU-MIN & CTCSP CKUB-MIN===
Both the CKU-MIN (white case, white keys) and CKUB-MIN (black case, white keys) are 320×180 mm and interface via SUN connector on the left or right side of the keyboard. They are compatible with SUN Type5/6 computers and have cursor keys and an ASCII layout. These keyboards have height-adjustable feet.

[[File:CKUB-MIN - Front.JPG|300px|CKUB-MIN]]

===CTCSP CKJ-MIN===
The CKJ-MIN is 320×180 mm and interfaces via SUN connector on the left side of the keyboard. It is compatible with SUN Type5/6 computers and has cursor keys and a JIS layout. It is unknown if this keyboard has height-adjustable feet.

==Size difference==
These images illustrate the size difference between a standard sized Topre switch (top row) and a short throw Topre switch (bottom row)

<gallery widths=450px heights=300px>
File:Normal vs Short - Front.JPG | Front
File:Normal vs Short - Back.JPG  | Back
</gallery>

==External links==
* neko's keyboard room — [http://mineko.fc2web.com/box/kb-room/items/topre-dg03b0.html Images and information on the DG03B0] (Japanese only)
* Akiba PC Hotline — [http://akiba-pc.watch.impress.co.jp/hotline/20021026/ni_i_in.html Images and information on the DG0300] (Japanese only)
* kaineko2 — [http://park8.wakwak.com/~kaineko2/keyboard/album20020630.html Images and information on the M6905-4] (Japanese only)
* silencium — [http://www5f.biglobe.ne.jp/~silencium/keyboard/html/topre.html Force graphs and tabular information on short-throw Topre switches (see bottom of page)] (Japanese only)
* kaineko2 — [http://park8.wakwak.com/~kaineko2/keyboard/album20020826.html Images and information on C.ITOH SHORT TYPE KEYBOARD](Japanese only)

==References==
<references>
<ref name="MouseFan-DG03C">MouseFan — [http://mousefan.telcontar.net/image/topredg03c.htm TopreDG03C] Retrieved 2015-07-07.</ref>
<ref name="komotch2-HE0100">komotch2 — [http://www.komotch2.com/hen/hen196.htm Topre HE0100] (Japanese only) Retrieved 2015-07-07.</ref>
</references>

[[Category:Topre keyboards]]
[[Category:Topre OEM keyboards]]
[[Category:Keyboards with Topre switches]]
[[Category:Flat keyboards]]
[[Category:List of all keyboards]]