moving-coil การใช้

• The reluctance seismograph implies a variation of the principle of the moving-coil seismograph .
• Moving - coil galvanometer
• Moving - coil loudspeaker
• Moving - coil microphone
• Moving - coil meter
• Verification regulation of moving - coil indicators and step - indication controllers associated for measuring temperature
• The main technical capability indexes of moving - coil microspeaker , the testing way and the project of the key technology are expounded