US PATENT SUBCLASS 352 / 140
WITH FOCUS CONTROL
Current as of: June, 1999
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DEFINITION
Classification: 352/140
(under the class definition) Subject matter including means to adjust the relative displacement between the film gate and the lens to produce the desired degree of sharpness in the image.
SEE OR SEARCH CLASS
359, Optics: Systems (Including Communication) and Elements,
380, 410 and 425+ for focusing systems for compound lens systems such as microscopes and telescopes, subclass 506 for focusing mechanisms and subclasses 823+ for axial adjustment of a single lens or lens systems.
