Apparatus and methods for determining location of at least a part of an object

Apparatus for determining location of at least a part of a first object, the apparatus comprising: a controller configured to: control an actuator to move an optical arrangement relative to the first object; control the optical arrangement to transmit an electromagnetic wave; receive a signal from t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Heyworth, Harold, Reynolds, Joseph, Cornes, Duncan
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Apparatus for determining location of at least a part of a first object, the apparatus comprising: a controller configured to: control an actuator to move an optical arrangement relative to the first object; control the optical arrangement to transmit an electromagnetic wave; receive a signal from the optical arrangement; and determine a location of an edge of the first object by determining whether a change in a parameter of the signal satisfies at least one criterion.