Journal of the Society of Motion Picture and Television Engineers (1950-1954)

Record Details:

Title:
Journal of the Society of Motion Picture and Television Engineers
Date:
1950-1954
Publisher:
Easton, Pa. : The Society
Volume:
Journal of the Society of Motion Picture and Television Engineers
Leaf #:
000180
Language:
English
Collection:
Technical Journals
Format:
Periodicals
Contributor:
Prelinger Library
Sponsor:
MSN
Coordinator:
Media History Digital Library
Date Added:
July 19, 2022
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Fig. 7. Camera control block diagram. VIDEO FROM MIXER OR TRANS. Fig. 8. Camera control unit video chain block diagram. controlled by means of a single lead in the camera cable. Control is, of course, available at the camera but is not ordinarily used. The position of the lens iris is indicated on meters calibrated in // numbers at both the camera and camera control unit. This is accomplished by means of a cam on the lens mount which is followed by a cam follower at the center of the turret. The cam follower in turn drives a potentiometer which provides the meter indication. Figure 6 is a schematic of the iris con L. L. Pourciau: Television Camera 171