Rotation speed / angle detection

• Detection of rotation speed
• Detection of rotation angle
• Detection of gear rotation

Position sensing

• Precise position measurement

ON/OFF detection

• Open/Close switch
• Design notes
• How to design the switch using Hall Effect IC
• Design example of switch using Hall Effect IC

Small input device

• Analog Pointing Device(APD)
• Rotating device (jog mechanism)
• Slide device

Permanent magnets

• Permanent magnets
• Terminologies Related to Magnets and Measurement Units
• FAQ and the answer about the magnet

Applications

• Motor,Home Appliance
• Cellular phone
• Degital home appliances