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This document defines a storage format for timed metadata. The timed metadata can be associated with other tracks in the ISO base media file format. Timed metadata such as quality and power consumption information and their metrics are defined in this part for carriage in files based on the ISO base media file format (ISO/IEC 14496-12). The timed metadata can be used for multiple purposes…

IEC 60401-1:2020 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60401-1:2020 provides a nomenclature of the most frequent surface, bulk and shape irregularities relevant to cores…

This document specifies formulae for calculating the load capacity of cylindrical worm gears and covers load ratings associated with wear, pitting, worm deflection, tooth breakage and temperature. Scuffing and other failure modes are not covered by this document. The load rating and design procedures are only valid for tooth surface sliding velocities, , less than or equal to 25 m/s and contact…

Le présent document définit des formules permettant de calculer la capacité de charge des engrenages à vis cylindriques et couvre les charges limites de base associées à l'usure, la formation d?écaillages, la déflexion de la vis, la rupture de dent et la température. Le grippage et les autres modes de défaillance ne sont pas couverts par le présent document. La charge limite et les…

IEC 63171-1:2020 covers two-way, shielded or unshielded, free and fixed connectors for data transmission with frequencies up to 600 MHz and with current carrying capacity up to 2,0 A at 60 °C. It is intended to specify the common dimensions, mechanical, electrical, signal integrity, environmental characteristics, reliability specifications and corresponding tests for these connectors.

63171-1:2020 couvre les fiches et embases bidirectionnelles, écrantées ou non écrantées, assurant la transmission de données à des fréquences pouvant atteindre 600 MHz et à un courant admissible pouvant atteindre 2,0 A à 60 °C. Elle vise à spécifier les dimensions communes, les caractéristiques mécaniques, électriques, d’intégrité du signal et d’environnement, les spécifications de fiabilité et…

IEC TS 62607-5-3:2020 specifies sample structures for evaluating a wide range of charge carrier concentration in organic/nano materials. This specification is provided for both capacitance-voltage (C-V) measurements in metal/insulator/semiconductor stacking structures and Hall-effect measurements with the van der Pauw configuration. Criteria for choosing measurement methods of charge carrier…

IEC 60401-1:2020 provides a nomenclature of the most frequent surface, bulk and shape irregularities relevant to cores made of soft ferrites (magnetic oxides). Most irregularities are graphically exemplified as visual aids. A general recommendation is also given in Annex A for a consistent scheme for specifying the exact location of the irregularity, combining a general name for the location with…

L’IEC 60401-1:2020 fournit une nomenclature des irrégularités de surface, de structure interne et de forme les plus fréquentes correspondant aux noyaux en matériaux ferrites doux (oxydes magnétiques). La plupart des irrégularités sont citées en exemple sous forme de graphique, en tant qu'aide visuelle. Une recommandation générale est également fournie à l’Annexe A en vue d'un programme…

IEC 62841-2-3:2020: applies to hand-held grinders, disc-type polishers and disc-type sanders, including angle, straight and vertical tools, intended for use on various materials except magnesium, with a rated capacity not exceeding 230 mm. For grinders, the rated no-load speed does not exceed a peripheral speed of the accessory of 80 m/s at rated capacity. This standard does not apply to…