US PATENT SUBCLASS 396 / FOR 702
.~ Having photoelectric focusing system or device (354/402)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


396 /   HD   PHOTOGRAPHY

FOR 700  DF  AUTOMATIC CAMERA FOCUSING (354/400) {2}
FOR 702.~ Having photoelectric focusing system or device (354/402) {5}
FOR 703  DF  .~.~> Using active ranging (354/403)
FOR 704  DF  .~.~> Having moving optical means in front of photocell (354/404) {1}
FOR 706  DF  .~.~> Having stationary beam splitter (354/406) {1}
FOR 708  DF  .~.~> Having two separate stationary predetector optical systems (354/408)
FOR 709  DF  .~.~> Having focus indicator (354/409)

DEFINITION

Classification: 396/FOR.702

Having photoelectric focusing system or device: (354/402)

Subject matter under subclass FOR 700 including a photoelectric means responsive to the focus condition of the camera and for adjusting the lens system of the camera to produce a desired degree of sharpness of an image.