Reference number
Ïã¸ÛÁùºÏ²Ê¿ª½± 446:1991
Ïã¸ÛÁùºÏ²Ê¿ª½± 446:1991
Micrographics — Ïã¸ÛÁùºÏ²Ê¿ª½± character and Ïã¸ÛÁùºÏ²Ê¿ª½± test chart No. 1 — Description and use
Edition 2
1991-02
Withdrawn
Ïã¸ÛÁùºÏ²Ê¿ª½± 446:1991
4465
Withdrawn (Edition 2, 1991)

Abstract

Applies to the quality testing of microimages produced with a given micrographic system and allows to determine the potential legibility of documents recorded with that system. Annex A gives optional features for Ïã¸ÛÁùºÏ²Ê¿ª½± test chart No. 1. This second edition cancels and replaces the first editions (Ïã¸ÛÁùºÏ²Ê¿ª½± 435:1975 and Ïã¸ÛÁùºÏ²Ê¿ª½± 446:1975), which have been merged into a single International Standard.

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