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Three examples are given of outstanding electro-optical developments in which Quality Assurance played an important role. The first example is the ACS 1000, which is a sophisticated blood analyzer developed by the Medical Systems Center of Honeywell, Inc. Quality Assurance must be invoked for reliability, repeatability, accuracy, optical resolution, contrast and color fidelity of the TV displayed image as well as dependability of the cell-finding and auto-focus subsystems. The second example is the Laser CRT, which is an electronically scannable semiconductor laser device, produced by the 3M Company. Quality Assurance principles were required to insure excellent resolution and linearity as well as high writing speed. The CdS radiation (515 Dm) is confined to a 0.2 radian symmetric cone emitted from a 25μm spot. Among its applications is that of optically addressing holographic memories. The third example is the Award-Winning "HAT" or Head-Attached Television system, which is the product of Honeywell's Systems and Research Center. The function of HAT is to provide audio-video tape records of surgical procedures as seen from the surgeon's viewpoint and with his oral comments for documentary and teaching purposes. Quality Assurance is required to provide functional performance and to meet surgery standards.
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