ISO/IEC INTERNATIONAL STANDARD 15411 First edition 1999-10-15 Information technology Segmented keyboard layouts Technologies de I'information - Disposition des claviers segmentés Reference number ISO/IEC 15411:1999(E) E( @ISO/IEC 1999 HS under ted without license from IHS Not for Resale ISO/IEC 15411:1999(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this area. Adobe is a trademarkof Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event ?ISO/IEC1999 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 734 10 79 E-mail copyright@iso.ch Web www.iso.ch Printed in Switzerland @ISO/IEC1999-All rightsreserved ermittedwithoutlicense from IHS Not for Resale ISO/IEC 15411:1999(E) Contents Page 1Scope. 2 Normative references. 3Definitions 4 Guiding principles 5 Design requirements and measurement metrics 6 Requirements for adjustable segmented keyboards... .6 7 Fixed angle segmented keyboards. 8 Conformance Annex A (informative) Segmented keyboard layouts. 10 Bibliography CopyrghtIntemaaganizationSiandardizatitsreserved ili py IHS under e from IHS Not for Resale