Improvements in or relating to transparency sensors

An improved transparency sensor (10) uses Brewster's Law to detect the presence of sheets of transparency material (20). The sensor (10) includes a light emitting diode (LED) (12) and two photodiodes (14, 16) arranged to receive light reflected from the material (20). The LED (12) supplies inci...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	RICHARD ANDREW MULLENS
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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