Oldham's coupling

Elliptical trammel

Scotch yoke mechanism

all of these

varies in magnitude but constant in direction

varies in direction but constant in magnitude

varies in magnitude and direction both

constant in magnitude and direction both

four times the first one

same as the first one

one fourth of the first one

one and a half times the first one

n = (l - 1) - j

n = 2(l - 1) - 2j

n = 3(l - 1) - 2j

n = 4(l - 1) - 3j

less sensitive

more sensitive

unaffected of sensitivity

isochronous