tronically the lineal bit density capability of digital magnetic recording systems. tion of read-back signals caused by the inter-Bit densities are limited by the degeneraference of adjacent pulses. It will be shown that suitable time-domain filters can be derived which effectively narrow the individual read pulses and thereby allow an increase in the packing density.Beginning with a review of some pertinent characteristics of the magnetic recording channel and a brief descriptive discussion on the concept of time-domain filtering, the realization of practical pulse slimming filters is detailed. Simple filters show a nominal as high as 10,OOO bits per inch in experimental doubling of bit packing, resulting in densities systems.Activities combining electroluminescence and digital computer techniques have resulted provide a nonprogrammed, wide-angle visual in the achievement of a system which will display. The system receives input information based upon perspective equations to create figures, both static and dynamic, to demonstrate the feasibility of creation of more complex views. Farther extended, a universally useful training module would result, enabling the adaption of vehicle simulation. grid electroluminescent panel having a usefulThe display media is a suppressed crossarea of 256 inches. Panel access is achieved by unique pulse drivers which are sequentially addressed by a decoder matrix converting two eight-bit codes to 256 X and 256 Y commands. Perspective information is generated by a computer simulator containing punched tape and magnetic conversion equipment. 5.3.

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