PROXIMITY DETECTION SENSOR AND PROXIMITY DETECTION METHOD

• Main Authors: MISAKI NOBUMASA, NAKAMURA YASUSHI
• Format: Patent
• Language: English
• Published: 13.11.2008
• Subjects: BASIC ELECTRIC ELEMENTS; BASIC ELECTRONIC CIRCUITRY; DETECTING MASSES OR OBJECTS; ELECTRIC SWITCHES; ELECTRICITY; EMERGENCY PROTECTIVE DEVICES; GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; PULSE TECHNIQUE; RELAYS; SELECTORS; TESTING

PROBLEM TO BE SOLVED: To provide a proximity detection sensor for performing high-accuracy detection with a circuit structure for computing and outputting a difference in pulse width. SOLUTION: This proximity detection sensor is equipped with a detection electrode 2, a first detection circuit 4 conv...