US PATENT SUBCLASS 257 / 294
.~.~.~.~ With shield, filter, or lens

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}
294.~.~.~.~ With shield, filter, or lens

DEFINITION

Classification: 257/294

With shield, filter, or lens:

(under subclass 291) Subject matter including means to shield the array from unwanted light, to filter light incident on the array, or to refract light incident on the array (e.g., to focus an image of an object on the array).