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Selected code: 22.36.21.S04
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Classifications group | |
22 - ASSISTIVE PRODUCTS FOR COMMUNICATION AND INFORMATION MANAGEMENT Products intended to support or replace a person’s capacity to receive, send, produce and process information in different forms, including communicating by language, signs and symbols, receiving and producing messages, carrying on conversations and using communication devices and techniques. Included are, e.g. devices for seeing, hearing, reading, writing, telephoning, signalling and alarming, information technology. Assistive products for office administration, information storage and management. at work, see >28 21 | |
22.36 - Input devices for computers Computers and terminals, see >22 33. Output devices for computers, see >22 39 | |
22.36.21 - Computer pointing devices Assistive products to position screen pointer and to select items on computer display. Included are, e.g. computer mice, touch pads, track balls, computer joysticks. Alternate input devices, see >223612 | |
![]() | 22.36.21.S04 - Trackball A trackball in an upside-down mouse that rotates in place within a socket. The user rolls the ball to direct the cursor to the desired place on the screen. |