Search found 46 matches

by Archie
27 Mar 2021 22:09
Forum: Trackballs
Topic: Olympus MH-869
Replies: 0
Views: 385

Olympus MH-869

Ball size: 1 13/32 " (35.8mm) Interface: Quadrature Year: 1996 https://trackballs.eu/media/Olympus/MH-869/IMG_2089_m.jpg Designed for EU-M30 endoscopic ultrasound system, but in fact it's pretty much standard raw output 3-button pointing device. Actual trackball unit is Tamagawa TA3414N , mounted in...
by Archie
20 Jan 2021 22:02
Forum: Trackballs
Topic: direct compare
Replies: 0
Views: 230

direct compare

When people start searching for upgrade or replacement of favorite trackball, it's often desirable to see potential candidate together with old one, just to get very basic impression of how similar (or different) it is. I'm starting this tread with Elecom Deft Pro M-DPT1MR versus Logitech Cordless O...
by Archie
09 Jan 2021 00:44
Forum: Science
Topic: Acceleration study
Replies: 0
Views: 152

Acceleration study

Interesting works focused on analyzing how GUI performance is affected by acceleration changes. Among other things, the differences between Windows and MacOS implementations are detailed. === User-defined transfer functions to improve pointing performance in graphical user interfaces S.M. Hasanul Ba...
by Archie
02 Jan 2021 21:20
Forum: Trackballs
Topic: Kensington TurboMouse ADB 62352
Replies: 0
Views: 258

Kensington TurboMouse ADB 62352

Ball size: 2 1/4 " (57.25mm) Interface: ADB P/N: 62352 Year: 1987 https://trackballs.eu/media/Kensington/62352/IMG_1946_m.jpg Slightly updated version of very first trackball marketed by Kensington - TurboMouse #62350 (rebadged Assimilation Process AP07045 Mac Turbo Touch ). Physically identical, bu...
by Archie
20 Dec 2020 18:30
Forum: Bearings
Topic: Ceramic
Replies: 0
Views: 180

Ceramic

For gliding points, as well as for some ball bearings, different kinds of ceramic (and similar) materials are used: Zirconium Oxide (ZrO 2 ), Silicon Nitride (Si 3 N 4 ), Silicon Carbide (SiC), Synthetic Ruby (Al 2 O 3 :Cr), Aluminium Oxide (Al 2 O 3 ) etc. Some in-depth information about particular...
by Archie
14 Dec 2020 21:14
Forum: Resources
Topic: Trackball-related sites
Replies: 0
Views: 202

Trackball-related sites

Some tracball-oriented communities that active today. Forums : https://deskthority.net/viewforum.php?f=3 Resource is mostly devoted to the mechanical keyboards, but some useful infrmation about pointing devices is available. https://old.reddit.com/r/Trackballs/ Probably, most populated place today, ...
by Archie
06 Dec 2020 23:04
Forum: Trackballs
Topic: MicroSpeed FastTRAP
Replies: 0
Views: 924

MicroSpeed FastTRAP

Ball size: 2 1/4 " (57.28mm) Interface: RS-232 FCC ID: FUU4TGMAP1 Year: 1987 https://trackballs.eu/media/MicroSpeed/FastTRAP/IMG_1640_m.jpg Introduced in 1987, it seems to be the first pointing device in history equipped with wheel - long before it was reinvented again for mice. MicroSpeed called it...
by Archie
04 Jun 2020 22:38
Forum: Trackballs
Topic: Vobis Highscreen Colani
Replies: 0
Views: 443

Vobis Highscreen Colani

Ball size: 1 1/2 " (38.06mm) Interface: RS-232 Year: 1993 https://trackballs.eu/media/Highscreen/DSC05854_m.jpg Rare trackball, made by Vobis for its Highscreen PC line and designed by Luigi Colani. Unusual arrangement of controls: it's not purely "finger trackball", as the ball is effectively held ...
by Archie
03 May 2020 21:09
Forum: Trackballs
Topic: Fulcrum Trackball Plus
Replies: 0
Views: 551

Fulcrum Trackball Plus

Ball size: 1 3/4 " (44.45mm) Interface: RS-232 FCC ID: FGK5AD TRACKBALL Year: 1986 https://trackballs.eu/media/Fulcrum/IMG_0782_m.jpg Quite interesting device, developed in 1986. At those times, standard trackballs & mice were equipped with two or three buttons - but Trackball Plus has six! Capabili...
by Archie
12 Apr 2020 17:51
Forum: Testers
Topic: Testing utilities
Replies: 0
Views: 429

Testing utilities

During initial checking, repair and modding tasks, it's handy to use special software. There are plenty of tools available for that purpose. My favorite is Microsoft Mouse Hardware Diagnostic Tool (MouseInfo), included with Microsoft IntelliPoint v8.20 software package. It's capable to check basic 5...