PHOTOELECTRIC SENSOR HAVING SELF-DIAGNOSTIC FUNCTION

PURPOSE: To generate a self-diagnosis signal without fail irrespective of the speed of movement of an object of detection when a light reception level is in an unstable region. CONSTITUTION: Light is projected into a monitoring space from a light-emitting element 11 and a reflected light on an objec...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MIYAZAKI MASAHARU
Format:	Patent
Sprache:	eng
Schlagworte:	ALARM SYSTEMS ANALOGOUS ARRANGEMENTS USING OTHER WAVES BASIC ELECTRONIC CIRCUITRY DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING ORDER TELEGRAPHS PHYSICS PULSE TECHNIQUE RADIO DIRECTION-FINDING RADIO NAVIGATION SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING
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