Reprinted from the proceedings of the I.R.E Vol. 48, NO.8 August 1960. (Also known as 60 IRE 13.S1)

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This standard sets forth methods to be followed for specifying drawing data for gears operating on axes which are parallel.

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In setting up test procedures for radiation counter tubes, it is necessary to consider not only the test circuits but also the physical arrangements of test, such as nature of source, distance between source and counter, scattering by objects near the source or counter, shielding of the counter against unwanted radiations, and the background due to cosmic rays and general contamination. The relative importance of these various factors will depend on the type of counter under test.

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This intent of this standard is to quantify the performance of camera-equipped mobile devices. There is an emphasis on metrics and procedures appropriate to the types of sensors, lenses, and signal processing routines present on such devices. It is not intended as a general image quality standard for photographs produced by high-end dedicated cameras, e.g., digital single-lens reflex (DSLR) cameras. The testing plan provides test procedures for all requirements covered in the IEEE 1858 standard.

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