Paragraph B.2.1.3 (b)(3) does not include measuring interferometer systems, without closed or open loop feedback, containing a laser to measure slide movement errors of machine tools, dimensional inspection machines or similar equipment.

(c) incorporates three or more closed or open loop servo-devices which may include stepping motors; and

Dr. Frederick W. Fairman, As an individual: I am Emeritus Professor of Feedback Control Systems at Queen's University.

c.Incorporates three or more closed or open loop servo-devices which may include stepping motors.and

It covers inter alia: access to network elements and associated facilities, which may involve the connection of equipment, by fixed or non-fixed means (in particular this includes access to the local loop and to facilities and services necessary to provide services over the local loop); access to physical infrastructure including buildings, ducts and masts; access to relevant software systems including operational support systems; access to information systems or databases for pre-ordering, provisioning, ordering, maintaining and repair requests, and billing; access to number translation or systems offering equivalent functionality; access to ...[+++]fixed and mobile networks, in particular for roaming; access to conditional access systems for digital television services and access to virtual network services’.

On modern cars, the onboard diagnostics trigger what is called an open loop system.