Alps SKCL Green

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Alps SKCL Green
Alps SKCL Green -- infobox.jpg
Manufacturer Alps Electric
Family Alps SKCL/SKCM series
Years of production ca. 1983—1989[1]
Precedes Alps SKCL Yellow
Switch type Linear
Sense method Metal leaf
Actuation force 50 cN
Keycap mount Alps mount
Switch mount Plate mount

Alps SKCL Green, or linear Green Alps, is a linear switch in the "complicated" Alps SKCL/SKCM series.

Description

Linear Green Alps switches have an LED recess; the LED occupies the position where the tactile or click leaf should go; typically this recess is left empty. The slider is a different design, and reversible. By the debut of Alps SKCM Brown, the shell and slider were both redesigned, but linear switches kept the 1983-style shell for several years, and it appears that Linear Green Alps also retained the original slider design.

The exact relationship between Linear Green and Yellow Alps remains a mystery. While it's undisputed that Linear Green is older and that Yellow became its replacement, the two overlapped, and the reason for this is unknown. Zenith keyboards have been found with Green/Yellow and Yellow/Green pairings, with one type used for normal keys and the other type used for LED keys. Curiously, this even went as far as top-branded Linear Green Alps in a Zenith ZKB-2R.

As with Alps SKCL Yellow, it appears that the holes for the LED legs were not provided unless the switch was ordered with an LED fitted in the factory.

Linear Green Alps are highly regarded for being an exceptionally smooth linear switch.

Variants

Known variants include:

Switchplate Color Switchplate Length Alps Logo Generation
Black Long No Logo Pine (with slits)
Grey Long No Logo Pine (with slits)
White Long No Logo Pine (with slits)

Early variant

Examples have been found of early SKCL Green Alps containing differently shaped sliders, top housings and bottom housings compared to typical SKCL Green Alps. Examples have also been found of early Alps SKCL Cream switches with the same unique features.

  • Top view of the early SKCL Green stem.

  • View of slider and top housing.

  • Another view of slider and top housing.

  • View of bottom housing.

Gallery

  • IBM JX-JW 6343690 with Green Alps switches

  • Colour comparison with SKCM Green and Ducky spec Xiang Min KSB-C

  • Side view

  • Rear view

  • Partially disassembled

  • Partially disassembled, top views

  • Partially disassembled, bottom views

  • Green Alps slider is a different design, and reversible

  • Green Alps switch with LED fitted, in a blue Alps Panasonic Business Partner 286 keyboard

  • Green Alps, LED version, borrowing the revised shell (Zenith ZKB-2R from June 1989)

Keyboards

Typewriters / Word processors

  • Canon CanoWord Mini3, Mini5, Mini6[31] & Mini7
  • Nippon Type NT-500[32]
  • Sharp PA-1000H[33][34]
  • Sharp WD-500[35]
  • Sharp ZX-330[36]

Keypads

Other equipment

  • Maxon PUE5 (PROGRAMMABLE MULTI EFFECTS)[38]

As LED keys only

References

  1. ↑ MouseFan — ALPS (Japanese) Retrieved 2024-04-17.
  2. ↑ Imgur — ADDS 1010 Terminal Keyboard - Green Alps Dated 2014-05-10. Retrieved 2024-04-17.
  3. ↑ YouTube — Alps Electric Model CPLL00E0AA Keyboard Typing Demo Uploaded 2022-03-21. Retrieved 2024-04-17.
  4. ↑ Twitter — Keyboard:Amada AMC-KB Posted 2022-09-04. Retrieved 2024-04-17.
  5. ↑ Atelier Silencium — Keyboards with Alps switches Dated 2014-03-02. Retrieved 2024-04-17.
  6. ↑ Deskthority — Canon A200-AKB - ALPS SKCL Green/Cream Uploaded 2017-06-01. Retrieved 2024-04-17.
  7. ↑ Imgur — Unbranded (Possibly Chicony) 5150 XT Style Keyboard (Alps SKCL Green) Dated 2022-07-03. Retrieved 2024-04-17.
  8. ↑ YouTube — Daikin Comtec Keyboard Typing Demo Dated 2022-08-12. Retrieved 2024-04-17.
  9. ↑ Imgur — Epson AP1003A (Alps SKCL Green) Dated 2022-04-26. Retrieved 2024-04-17.
  10. ↑ Imgur — Fujitsu Oasys (Alps SKCL Green) Dated 2022-05-02. Retrieved 2024-04-17.
  11. ↑ Twitter — Keyboard:JEC Super Survey G2E21-01 Posted 2022-07-31. Retrieved 2024-04-17.
  12. ↑ Deskthority — Help identify my keyboard Posted 2020-10-19. Retrieved 2024-04-17.
  13. ↑ Deskthority — (Preview) Blaise's Current Keyboard Collection Posted 2018-03-27. Retrieved 2024-04-17.
  14. ↑ Deskthority — Mindset M-1002 Dated 2014-11-21. Retrieved 2024-04-17.
  15. ↑ YouTube — Mitsubishi Multi16 Keyboard Typing Demo Dated 2022-07-08. Retrieved 2024-04-17.
  16. ↑ Imgur — NCR 4970 (Alps SKCL Green) Dated 2022-12-25. Retrieved 2024-04-17.
  17. ↑ Twitter — Keyboard:OAshift/98KB1 Posted 2022-09-18. Retrieved 2024-04-17.
  18. ↑ Imgur — Packard Bell KCLEA907L (Alps SKCL Green) Dated 2022-04-26. Retrieved 2024-04-17.
  19. ↑ Deskthority — Ohaimark's Collection Posted 2016-10-16. Retrieved 2024-04-17.
  20. ↑ YouTube — ROLM Model 46511 Keyboard Module Typing Demo Uploaded 2020-04-16. Retrieved 2024-04-17.
  21. ↑ Imgur — Sharp MZ-1K10 - SKCL Green Dated 2022-12-24. Retrieved 2024-04-17.
  22. ↑ Imgur — Sharp MZ-2521 (Alps SKCL Green) Dated 2023-04-10. Retrieved 2024-04-17.
  23. ↑ 23.0 23.1 Biglobe — ALPS key switch Updated 2014-03-02. Retrieved 2024-04-17.
  24. ↑ Blaise170 Updated 2019-12-13.
  25. ↑ Deskthority — Sharp X1 Turbo Posted 2022-01-17. Retrieved 2024-04-17.
  26. ↑ Deskthority — Yuchipashe's Yahoo Auction Haul Pt. 1 Posted 2019-10-09. Retrieved 2024-04-17.
  27. ↑ Imgur — Tektronix 4000 Series Keyboards Dated 2022-12-24. Retrieved 2024-04-17.
  28. ↑ Geekhack — Re: [FS] My Keyboard Collection Posted 2012-07-25. Retrieved 2024-04-17.
  29. ↑ Imgur — Torch Triple X (XXX) Keyboard Dated 2020-09-03. Retrieved 2024-04-17.
  30. ↑ Geekhack — Green Alps Review Posted 2014-03-30. Retrieved 2024-04-17.
  31. ↑ Twitter — Canon canoword mini6 (ALPS SKCL GREEN 灰接点) Posted 2019-02-17. Retrieved 2024-04-17.
  32. ↑ Twitter — 日本タイプライター(NTC) NT-500 (ALPS SKCL GREEN 黒接点) Posted 2019-02-17. Retrieved 2024-04-17.
  33. ↑ Deskthority — Sharp PA1000H - typewriter turned keyboard Posted 2020-06-08. Retrieved 2024-04-17.
  34. ↑ Geekhack — Alps Appreciation Thread Posted 2023-10-17. Retrieved 2024-04-17.
  35. ↑ Twitter — SHARP WD-500 (ALPS SKCL GREEN 黒接点) Posted 2019-02-23. Retrieved 2024-04-17.
  36. ↑ Deskthority — Sharp ZX-330 Typewriter Posted 2017-09-05. Retrieved 2024-04-17.
  37. ↑ Imgur — Canon VP1000 Numpad (Alps SKCL Green) Dated 2023-01-10. Retrieved 2024-04-17.
  38. ↑ Pochi — MAXSON　PUE5の内部。 (Japanese) (Wayback Machine) Dated 2008-11-06. Archived 2019-04-14.
  39. ↑ Deskthority — KBP V60 Build with SKCM Amber and Canon HiPros Posted 2017-01-14. Retrieved 2024-04-17.
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