Assistive products for blind and vision-impaired persons — Tactile walking surface indicators
This document provides product specifications for tactile walking surface indicators (TWSIs) and recommendations for their installation in order to assist in the safe and independent mobility of blind or vision-impaired persons.
This document specifies two types of TWSIs: attention patterns and guiding patterns. Both types can be used indoors and outdoors throughout the built environment where…
Semiconductor devices - Micro-electromechanical devices - Part 32: Test method for the nonlinear vib...
IEC 62047-32:2019 specifies the test method and test condition for the nonlinear vibration of MEMS resonators. The statements made in this document apply to the development and manufacture for MEMS resonators.
Dispositifs à semiconducteurs - Dispositifs microélectromécaniques - Partie 32: Méthode d’essai pour...
L’IEC 62047-32:2019 spécifie la méthode d’essai et les conditions d’essai pour la vibration non linéaire des résonateurs MEMS. Les énoncés du présent document s’appliquent au développement et à la fabrication des résonateurs MEMS.
Quartz crystal units of assessed quality - Part 4: Crystal units with thermistors
IEC 60122-4:2019 is applicable to crystal units with thermistors mainly used in the field of mobile communication that requires high frequency stability such as local reference signal generator for the mobile phone base station or GPS. This document provides users with technical guidelines of crystal units with thermistors as well as basic knowledge of common crystal units with thermistors
Résonateurs à quartz sous assurance de la qualité - Partie 4: Résonateurs à quartz équipés de thermi...
L'IEC 60122-4:2019 est applicable aux résonateurs à quartz équipés de thermistances utilisés principalement dans le domaine des communications mobiles qui exige une grande stabilité de la fréquence, par exemple des générateurs de signaux de référence locaux pour les stations de base des téléphones mobiles ou un système GPS. Le présent document fournit aux utilisateurs des lignes directrices…
Twinax cables for digital communications - Part 1: Generic specification
IEC 62783-1:2019(E) specifies definitions and requirements of twinax cables used in digital communication systems. These cables are intended to be used in indoor applications. This generic specification details the requirements and transmission characteristics for single twinax elements as well as multiple twinax elements within the same sheath, i.e. “twinax cable”.
This generic specification is…
Rotating electrical machines - Part 23: Repair, overhaul and reclamation
IEC 60034-23:2019 covers the procedures necessary to ensure the satisfactory repair, overhaul, and reclamation of all types and sizes of rotating electrical machines covered by IEC 60034.
This standard creates a generic industry procedure covering common aspects of a complete repair. The scope of work depends on the machine type, rating, condition, and the importance of plant reliability and…
