ISO/IEC 15411:1999

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