US PATENT SUBCLASS 123 / 477
.~.~.~ Radiation actuated switching

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

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
445  DF  .~ Fuel injection system {5}
472  DF  .~.~ Electrically actuated injector {5}
477.~.~.~ Radiation actuated switching

DEFINITION

Classification: 123/477

Radiation actuated switching:

(under subclass 472) Subject matter in which the injector valve-actuating current is switched by a radiation actuated device (e.g., light, etc.).