ISO/IEC 15411:1999 PDF

Name: ISO/IEC 15411:1999 — Information technology — Segmented keyboard layouts
SKU: ISO/IEC 15411:1999
Price: 25 EUR
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Information technology — Segmented keyboard layouts

Название (английский):

ISO/IEC 15411:1999

Information technology — Segmented keyboard layouts

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 15
Дата публикации:: 14 октября 1999 г.
Издание:: ISO/IEC IS 15411 edition 1 version 1
ICS:: 35.180

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Описание (английский):

This International Standard defines the differing requirements necessary when considering the various types of segmented keyboards. The scope of this International Standard encompasses the three-dimensional layout of segmented, traditional style keyboards classified as having: a. Adjustable alphanumeric segments; b. Fixed angle alphanumeric segments. This International Standard covers the following keyboard areas: - Alphanumeric area - Function area - Text editing area - Numeric area - Cursor control area

Abstract

Похожие стандарты

Другие стандарты ISO

Overview - ISO/IEC 15411:1999 (Segmented keyboard layouts)

ISO/IEC 15411:1999 is an international standard that specifies ergonomic and design requirements for segmented keyboard layouts. It covers two main classes: adjustable segmented keyboards (two alphanumeric segments that can be moved relative to each other) and fixed-angle segmented keyboards (two segments fixed relative to each other). The scope includes the three-dimensional layout and key-area allocations for the alphanumeric area, function area, text editing area, numeric area, and cursor control area.

Key topics and technical requirements

Segmentation rules: Alphanumeric columns left of and including column 05 are for left-hand use; columns right of and including column 06 for right-hand use. Key position E6 can be assigned to either hand.

Adjustable vs fixed: Adjustable keyboards shall permit user adjustment of splay angle, lateral inclination, and slope to enable neutral wrist postures. Fixed-angle keyboards approximate ergonomic angles for a general population and require manufacturers to choose compromise angles.

Measurement metrics: Defines metrics such as splay angle (split between segments), lateral inclination (pronation/supination adjustment), and slope (row elevation affecting wrist flexion/extension). Key spacing considerations (e.g., center-to-center spacing and minimum keyboard footprint) reference ISO 9241-4.

Key placement: Guidance for cursor keys, function keys, numeric keypad positioning (numeric keypad angle should not depend on main section adjustment), and optional layout changes for symmetry or space reasons.

Adjustment mechanics and stability: Adjusting mechanisms shall be stable, easy to use, not require tools, and resist unintended movement.

Conformance and usability: Addresses conformance testing, the influence of typing skill (touch typists versus sight typists), and the need to avoid forcing non-neutral postures on users who prefer standard layouts.

Practical applications and users

Who uses ISO/IEC 15411:

Keyboard designers and manufacturers - to design ergonomic segmented keyboards that meet international requirements.

Ergonomists and occupational health professionals - to evaluate keyboard fit, reduce wrist pronation/ulnar deviation, and recommend hardware for injury prevention.

Procurement teams and IT managers - to specify compliant devices for workplaces requiring ergonomic solutions.

Standards bodies and compliance testers - to assess products against design, stability, and measurement criteria.

Benefits and use cases:

Reducing risk of musculoskeletal strain by enabling neutral wrist posture.

Designing adjustable products where users can fine-tune splay and lateral inclination.

Informing procurement policies for office VDT (visual display terminal) setups.

Related standards

ISO/IEC 15411 references and complements:

ISO 9241-4:1998 (keyboard requirements) and ISO 9241-9 (non-keyboard input device ergonomics)

ISO/IEC 9995 series (keyboard layout principles, alphanumeric, numeric, editing and function sections)

Keywords: ISO/IEC 15411, segmented keyboard layouts, ergonomic keyboards, splay angle, lateral inclination, adjustable segmented keyboards, fixed-angle segmented keyboards, keyboard ergonomics, numeric keypad.

ISO/IEC 15411:1999 PDF

Abstract

Похожие стандарты

Overview - ISO/IEC 15411:1999 (Segmented keyboard layouts)

Key topics and technical requirements

Practical applications and users

Related standards

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