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The Deskthority wiki is dedicated to mechanical keyboards, mice and other human interface devices. The main focus is everything regarding quality (mechanical) keyboards. In the nature of a wiki, the content will be frequently and constantly under construction. Want to share your knowledge and help us create the best input device wiki? This wiki is part of the Deskthority forum - sign in with your forum account and start editing! There is no separate registration, and this is an open wiki. For discussions about the wiki, requests for higher wiki rights or changes/addons to the wiki engine, see the wiki subforum.

We currently have 1,324 articles, 12,028 pages and 33,603 edits.

Looking to contribute, but not sure what needs to be done? See the list of pages needing work to be done on them for generic work and the Research page for some tables that need to be completed!

Keyboards / PCBs


List of all group buys

Latest posts from the Deskthority wiki talk forum

  • seebart (Tue, 27 Sep 2016 14:07:00 +0200) Wodan wrote:Well the best I can come up with now is "Siemens Happy2CMe" switch.OK I went another
  • Wodan (Tue, 27 Sep 2016 10:11:07 +0200) Well the best I can come up with now is "Siemens Happy2CMe" switch.
  • seebart (Mon, 26 Sep 2016 23:07:53 +0200) OleVoip wrote:More facts: 80g actuation force; keytravel 6mm; contact crosspoint type, gold-plated, 60 mOhms; typical bounce 1..2 ms, up to 30 msOh cool more details thanks, perfect for the wiki entry.
  • OleVoip (Mon, 26 Sep 2016 23:05:16 +0200) More facts: 80g actuation force; keytravel 6mm; contact crosspoint type, gold-plated, 60 mOhms; typical bounce 1..2 ms, up to 30 ms
  • seebart (Mon, 26 Sep 2016 22:07:17 +0200) OleVoip wrote:No, "linear" is fully wrong.Exactly. If we go by the facts, it should be a combination of any of these facts for the name:Siemens1975TactilePlate mountTransdata 1861
  • OleVoip (Mon, 26 Sep 2016 21:59:26 +0200) No, "linear" is fully wrong.
  • seebart (Tue, 27 Sep 2016 21:11:04 +0200) But I cannot call such a tactile switch linear, impossible. I'm sure you've used them, the tactile bump is huge. It's almost clicky. OK sofar we have:1. Siemens T 10002. Siemens vintage linear3. Siemens Linear Tall4. Siemens 8161 tactile5. Siemens plate-mount 1975None of these convince me.
  • OleVoip (Mon, 26 Sep 2016 22:34:32 +0200) "Tactile" is a bit redundant with that family, because there was no linear variant of it. And nobody remembers the Transdata 816x family, about 30,000 of which where made in total as opposed to more than 500,000 T 1000 devices.edit: sorry, I twisted the number, its 816x, not 186x
  • seebart (Mon, 26 Sep 2016 21:43:03 +0200) Hmm this is good information OleVoip! I kind of like "Siemens T 1000" but if you know that this switch was introduced with the Transdata 1861 terminal in 1975 then how about: "Transdata 1861 tactile" or"Siemens Transdata 1861 tactile"I'm not sure yet. Like I said since it's only a provisional name we have some flexibility. I find "classical" sillier than "vintage", but Beardsmore is right that we are naming a lot of switches "vintage something" which is no good.
  • OleVoip (Mon, 26 Sep 2016 23:02:33 +0200) Beardsmore calls this switch family Siemens "classical", which isn't any better than "vintage".There seem to have existed at least five series of modular keyboard switches that Siemens used for their devices and that I haven't seen used by other makers, so presumably, Siemens made them themselves: The PCB-mounted one you know from HaaTa's Tastatur 280. Various Siemens devices with that switch were introduced in the years 1970 till '75. Production seems to have ended in the late 1970s. Therafter came another PCB-mounted switch, which was used with Siemens Textsystems of the late 1970s. The plate-mounted switch family you are asking a name for, introduced with the Transdata 8161 terminal in 1975. Production of the T 1000 S, the last device with this switch, ended in 1990. The STB family, introduced in 1980 with the Datensichtstation 9750; the last Siemens device with STB switches seems to have been the PG 710, production of which ended in 1995. The Siemens Albis key family of the 1980s, which was only used for keypads and panels, though.All of these switch families are "vintage", out of use for more than 20 years. Your switch is only "classical" in the sense that, for Siemens, it set the gold standard in typing comfort that they were anxious to reach when they developed the STB switch family.It's introduction year, 1975, could serve well for the name, wasn't there the uncertainty about the Textsystem switch family. So maybe "Siemens plate-mount 1975" to make it unambigiuos? What's nice about "Siemens T 1000 switch" is that anybody who knows vintage Siemens devices immediately knows which switch you mean.