Surface mounted piezoelectric devices for frequency control and selection - Standard outlines and te...
IEC 61837-2:2018+A1:2020 deals with standard outlines and terminal lead connections as they apply to surface-mounted devices (SMD) for frequency control and selection in ceramic enclosures, and is based on IEC 61240:2016. This edition includes the following significant technical changes with respect to the previous edition:
a. revision of the figures to match the notation of the drawings of IEC…
Surface mounted piezoelectric devices for frequency control and selection - Standard outlines and te...
IEC 61837-2:2018+A1:2020 deals with standard outlines and terminal lead connections as they apply to surface-mounted devices (SMD) for frequency control and selection in ceramic enclosures, and is based on IEC 61240:2016. This edition includes the following significant technical changes with respect to the previous edition:
a. revision of the figures to match the notation of the drawings of IEC…
Dispositifs piézoélectriques à montage en surface pour la commande et le choix de la fréquence - Enc...
L’IEC 61837-2:2018+A1:2020 traite des encombrements normalisés et des connexions des sorties des dispositifs à montage en surface pour la commande et le choix de la fréquence applicables aux enveloppes en céramique, et est basée sur l’IEC 61240:2016. La présente édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a. révision des figures pour…
Digital audio - Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Part 3: N...
IEC 61937-3:2017 describes the method used to convey non-linear PCM bitstreams encoded according to the AC-3 and enhanced AC-3 formats. This third edition of IEC 61937-3 cancels and replaces the second edition published in 2007. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) removal of…
Health Informatics — Requirements for a knowledge base for clinical decision support systems to be u...
This document specifies the requirements for developing a knowledge base for drug-related problems that cohere with the intended drug use, to be used in rule-based clinical decision support systems (CDSS), such as the criteria for selecting a raw data source and the quality criteria for the development and maintenance for the rules or clinical rules for drug safety. It also describes the process…
Systèmes et appareils multimédias - Mesure et gestion de la couleur - Partie 12-1: Métadonnées d...
L'IEC 61966-12-1:2020 définit l'agencement des métadonnées des gammes de couleurs destiné aux systèmes vidéo et applications similaires. Les métadonnées peuvent être associées à un contenu vidéo à gamme de couleurs étendue ou à un appareil qui sert à afficher ce contenu. Lorsqu'elles sont associées au contenu, les métadonnées de gamme de couleurs définissent la gamme de couleurs…
Household and similar electrical appliances - Safety - Part 2-24: Particular requirements for refrig...
IEC 60335-2-24:2020 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 60335-2-24:2020 edition 8.0 and the previous edition IEC 60335-2-24:2010+AMD1:2012+AMD2:2017 CSV edition 7.2. Futhermore, comments from IEC TC 61 experts are provided to explain the reasons of the most relevant…
Household and similar electrical appliances - Safety - Part 2-24: Particular requirements for refrig...
IEC 60335-2-24:2020 deals with the safety of the following appliances, their rated voltage being not more than 250 V for single-phase appliances, 480 V for other appliances and 24 V DC for appliances when battery operated:
– refrigerating appliances for household and similar use;
– ice-makers incorporating a motor-compressor and ice-makers intended to be incorporated in frozen food storage…
Appareils électrodomestiques et analogues - Sécurité - Partie 2-24: Exigences particulières pour les...
L'IEC 60335-2-24:2020 traite de la sécurité des appareils suivants, leur tension assignée n'étant pas supérieure à 250 V pour les appareils monophasés, à 480 V pour les autres appareils et à 24 V en courant continu pour les appareils alimentés par batteries:
– appareils de réfrigération pour usages domestiques et analogues;
– fabriques de glace comportant un motocompresseur et…
Sound system equipment - Part 7: Headphones and earphones
IEC 60268-7:2010+A1:2020, is applicable to headphones, headsets, earphones and earsets, intended to be used on, or in, the human ear. It also applies to equipment, such as pre-amplifiers, passive networks and power supplies which form an integral part of the headphone system. It specifies the characteristics which should be included by the manufacturer in specifications, and relevant methods of…
