SENSOR DEVICE FOR DETECTING AN OBJECT IN A DETECTION AREA

The sensor device (2) comprises a sensor pad (6) for detecting an object (4) in a detection area by measuring the impedance variation of said sensor pad (6), said sensor device (2) further comprising a back focus plate (8) disposed behind the sensor pad (6) relative to the detection area and a first...

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Bibliographische Detailangaben
Hauptverfasser:	JEAN-MARCEL AUBRY, THOMAS W. BACH
Format:	Patent
Sprache:	eng ; spa
Schlagworte:	ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING ORSUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES INGENERAL BASIC ELECTRONIC CIRCUITRY CHECKS FOR WINGS DETECTING MASSES OR OBJECTS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION ELECTRICITY FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICESFOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTOOPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOTOTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THEWING KEYS LOCKS MEASURING PERFORMING OPERATIONS PHYSICS PULSE TECHNIQUE SAFES TESTING TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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Beschreibung
Zusammenfassung:	The sensor device (2) comprises a sensor pad (6) for detecting an object (4) in a detection area by measuring the impedance variation of said sensor pad (6), said sensor device (2) further comprising a back focus plate (8) disposed behind the sensor pad (6) relative to the detection area and a first surrounding focus plate (10) arranged around the sensor pad (6), said sensor device (2) comprising a signal generator driving said sensor pad (6) and said plates (8, 10) with identical signals of predetermined constant phase, frequency and voltage amplitude. The sensor device (2) further comprises at least a second surrounding focus plate (14) arranged around the first surrounding focus plate (10), said second surrounding focus plate (14) being driven with signals different from the signals feeding the sensor pad (6). La presente invención se refiere a un dispositivo sensor (2) que comprende una almohadilla sensora (6) para detectar un objeto (4) en un área de detección al medir la variación de la impedancia de la almohadilla sensora (6), el dispositivo sensor (2) comprende además una placa de enfoque posterior (8) colocada detrás de la almohadilla sensora (6) con relación al área de detección y una primera placa de enfoque circundante (10) colocada alrededor de la almohadilla sensora (6), el dispositivo sensor (2) comprende un generador de señales que excita la almohadilla sensora (6) y las placas (8, 10) con señales idénticas de una fase, frecuencia y amplitud del voltaje, constantes, predeterminadas. El dispositivo sensor (2) comprende además al menos una segunda placa de enfoque circundante (14) colocada alrededor de la primera placa de enfoque circundante (10), la segunda placa de enfoque circundante (14) es excitada con señales diferentes de las señales que alimentan la almohadilla sensora (6).