WIRELESS MICROPHONE

• Main Authors: NAKAZAWA, YUKIHIRO, ITOU, TETSUO, YAMAHAI, KEIJI, OKUTANI, AKIRA, KAWASAKI, YUUJI
• Format: Patent
• Language: English; French; Japanese
• Published: 14.10.2010
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS; TRANSMISSION

A wireless microphone (1) transmits audio signals by means of infrared rays. A plurality of infrared light emitting elements (17) are attached on a substrate (15) in the wireless microphone (1), and at least one infrared light emitting element (17) is disposed on each of the both surfaces of the sub...