US PATENT SUBCLASS 257 / 293
.~.~.~.~ Photoresistors accessed by FETs, or photodetectors separate from FET chip

Current as of: June, 1999
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257 /   HD   ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES)

213  DF  FIELD EFFECT DEVICE {6}
288  DF  .~ Having insulated electrode (e.g., MOSFET, MOS diode) {17}
290  DF  .~.~ Light responsive or combined with light responsive device {1}
291  DF  .~.~.~ Imaging array {3}
293.~.~.~.~ Photoresistors accessed by FETs, or photodetectors separate from FET chip

DEFINITION

Classification: 257/293

Photoresistors accessed by FETs, or photodetectors separate from FET chip:

(under subclass 291) Subject matter comprising light responsive resistors coupled to field effect transistors.