US PATENT SUBCLASS 123 / 613
.~.~ Optical sensing


Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

594  DF  HIGH TENSION IGNITION SYSTEM {28}
612  DF  .~ Having engine component position sensor {5}
613.~.~ Optical sensing


DEFINITION

Classification: 123/613

Optical sensing:

(under subclass 612) Subject matter in which the position transducer is light activated.