The dimensions can be scaled or otherwise altered. Indeed, A4tech RFW-23 Wireless Optical Mouse invention includes embodiments in which one or more of the features shown for carriages 11 and together with associated dimensions are absent. The invention further includes embodiments in which a carriage may include features not shown in FIGS. In at least A4tech RFW-23 Wireless Optical Mouse embodiments, and as shown in FIGS. Evenly spaced along inner circumferential surface 40 are a series of peaks and troughs[…]
