US PATENT SUBCLASS 303 / 168
.~ Wheel generated pulse signal control (speed sensor)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


303 /   HD   FLUID-PRESSURE AND ANALOGOUS BRAKE SYSTEMS

121  DF  SPEED-CONTROLLED {44}
168.~ Wheel generated pulse signal control (speed sensor)

DEFINITION

Classification: 303/168

Wheel generated pulse signal control (speed sensor):

(under subclass 121) Speed control in which detection of a rotating road engaging member by a magnetic or optical pick-up element, or a tachometer-type device, makes an electrical wave that is processed to determine braking action.

SEE OR SEARCH CLASS

73, Measuring and Testing,

488+, for speed sensor construction.