The L.s. Starrett Company

Ram Optical Instrumentation, Inc.

Ths L.s. Starrett Company

Robert Yates

Mark G Arenal

Robert D Picone

Chengwu Deng

A mounting assembly for an optical video system may include a platform having a track extending longitudinally along the platform. A camera mount may be slideably coupled to the track. A camera may be coupled to the camera mount. The camera may include a receptacle for engaging an interchangeable lens assembly. The mounting assembly for the optical video system may also include a biasing mechanism, wherein the biasing mechanism urges the camera mount along the track such that the receptacle engages the interchangeable lens assembly.

Optical video measurement system having interchangeable optics

An optical video measurement system for comparing a manufactured part against a representation of the manufactured part. The measurement platform system includes an optical video system for capturing images of the manufactured part. The optical video system includes a camera configured to capture one or more images of the manufactured part. The camera is configured to cooperate with one of several interchangeable lens assemblies for providing optics for the camera. The camera is configured to receive and retain one of the several interchangeable lens assemblies by way of a bayonet mount, wherein each of the interchangeable lens assemblies includes a male side configured to be received within a female side of the camera. The video measurement system further includes a mounting assembly configured to receive and retain a portion of each of the interchangeable lens assemblies and maintain alignment of each of the interchangeable lens assemblies with the camera.

There is disclosed an optical unit which is primarily intended to provide visual references for measuring machines such as coordinate measuring machines, milling machines, EDM machines, tape and computer controlled drilling machines, etc. The optical unit has a motor driven zoom lens within a lens housing, and an optical coupling for a video camera. The zoom lens assembly of this invention is a modification of that shown in U.S. Pat. No. 4,884,878 to include a stepper drive motor and a rotational position encoder which provides the necessary lens information to determine the power of magnification of the lens at any instant position. The preferred encoder includes a disc mounted on the barrel of the zoom lens which has a plurality of slots about its periphery at equal angular increments, and a photo-optical sensor which counts light pulses and generates a pulsed electrical signal as the disc rotates beside the sensor.

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Newport Beach, CA, United States of America

Robert Yates