ACOUSTIC MATCHING BODY, ULTRASONIC TRANSMITTER/RECEIVER AND ULTRASONIC FLOW RATE FLOW METER

• Main Authors: ITO MASAHIKO, SHIGEOKA TAKEHIKO, NAKANO SHIN
• Format: Patent
• Language: English
• Published: 30.10.2008
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; MEASURING; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL; METERING BY VOLUME; PHYSICS; PUBLIC ADDRESS SYSTEMS; TESTING

PROBLEM TO BE SOLVED: To provide a high-performance ultrasonic transmitter/receiver having high sensitivity and being free from influence due to moisture absorption by applying deposition processing to a ceramic porous body or to provide an ultrasonic flow rate flow meter by using the ultrasonic tra...