2017年7月15日 — The ones they don't cover in the article are BlueTrack and Darkfield. BlueTrack works well on all surfaces but glass. Darkfield works well ...
2009年9月21日 — The Anywhere Mouse MX bears Logitech's multiconnective Unifying receiver and glass-tracking Darkfield laser, but $80 is too much for a portable ...
2009年9月28日 — With Logitech® Darkfield Laser Tracking™, you can use your mouse virtually anywhere you want – including clear glass (that's at least 4 mm thick) ...
2009年8月19日 — Laser Tracking illuminates the surface beneath the mouse at an angle, and collects and focuses that light back into the lens. Any small ...
2012年1月5日 — While BlueTrack is less likely to fail to track with most fabrics than red LED or laser, a surface that appears too dark to the sensor is likely ...
2009年8月20日 — Darkfield technology instead relies upon the individual dust particles found on a glass surface to track the mouse's position. In fact, if you ...
2010年4月29日 — Darkfield technology works by using two lasers on glass or similar surfaces and treating the glass itself as a black surface and tracking ...
