SEGMENTED OPTICAL SYSTEM FOR AN ALARM SYSTEM

A plurality of optical elements such as mirrors (1 to 5) are arranged so that each of them directs radiation from a predetermined direction towards a common focal point (7). Each optical element defines a respective discrete field of view (8, 9) to a detector at the focal point, adjacent fields of v...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MUIRHEAD, ALLEN DAVID
Format:	Patent
Sprache:	eng
Schlagworte:	ALARM SYSTEMS COLORIMETRY DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING ORDER TELEGRAPHS PHYSICS RADIATION PYROMETRY SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING
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