US PATENT SUBCLASS 348 / 350
.~.~.~.~ With auxiliary sensor or separate area on imager

Current as of: June, 1999
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207  DF  CAMERA, SYSTEM AND DETAIL {19}
335  DF  .~ Optics {12}
345  DF  .~.~ Focus control {5}
349  DF  .~.~.~ Using image signal {5}
350.~.~.~.~ With auxiliary sensor or separate area on imager

DEFINITION

Classification: 348/350

With auxiliary sensor or separate area on imager:

(under subclass 349) Subject matter wherein a second photosensitive detector or an area outside an active imaging area of a primary photosensitive detector is used to determine the focus condition.