Patent ID: 11921350
Assignee: COGNEX CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 17:
18. A lens module for removable attachment to a vision system housing comprising:
lens driver electronics that is mounted with respect to the lens module;
a lens barrel having a liquid lens;
a frame assembly;
an adjustment ring assembly that axially moves the lens barrel, in a manner substantially free of rotation of the lens barrel relative to the module, based upon rotation of an adjustment ring mechanism relative to the module,
wherein the frame assembly is arranged to removably engage a mounting flange on a housing with a front mounting face, the housing having an image sensor, and
wherein the front mounting face defines an aperture aligned relative to the image sensor, the aperture having an outer step, the mounting flange and the outer step defining a C-mount lens base; and
a flexible connection between the liquid lens and the lens driver electronics in the housing.