.~.~ Including focus/distance detecting circuit {2}
81
.~.~.~ And focal length responsive memory
DEFINITION
Classification: 396/81
And focal length responsive memory:
(under subclass 80) Subject matter having an electronic static storage means containing data used to maintain focus of the exposure objective system as the focal length is varied.
SEE OR SEARCH CLASS
365, Static Information Storage and Retrieval, particularly
103+, 114+, and 174+ for a static storage element comprising semiconductor material.