Multi-axis Sensors
Providing a highly linear output signal versus motion on 2 axis using a contactless principle
MMT multi-axis position sensors are based on the use of a permanent magnet and Hall effect sensors. The principle is completely contactless, which ensures a life duration of several million cycles and the possibility to operate at high frequencies and in the most severe environments. The main features of this family of sensors are:				Spherical sensor
· Contactless principle · Very high linearity of the output signal (error below ±1%) on a –40°/+150°C temperature range · Low sensitivity to production tolerances, external disruption, and second degree of freedom variation · Programmable through the connector (gain, offset) on both channels after assembling
Planar sensor Cylindrical sensor	The combination of two degrees of freedom either linear, or rotary involves the following patented designs: · Plane sensors: 2 linear motions · Cylindrical sensors: 1 linear and 1 rotary motions · Spherical sensors: 2 rotary motions Thanks to our experience in electromagnetic devices, we are able to adapt all these designs to the requirement of your application. These adaptations also includes the choice of the most suitable Hall probes according to the requirements of your application.
Basic Principle
Flux line in MALPS			Flux line in MARPS
In these sensors, we still use the magnetic principle of our single track sensors. The Hall probe inserted in a slot between 2 stators measures the flux variation in this slot, which is a linear function of the rotor position. In our multi-axis designs, we are using 2 probes for each degree of freedom, and an electronic processing of these output signals provides a linear function of the position for both directions without any coupling effect with the signal variations of the other channel.
Main applications
MMT multi-axis position sensors are particularly well suited for applications requiring highly linear sensing devices that can withstand millions of cycles in a demanding environment (dust, vibration, magnetic field, etc…). Moreover, their low manufacturing cost and the possibility to program the main useful parameters after assembling offers a very efficient and reliable solution for high volume production.			Computer peripheral
Cylindrical gearbox sensor			The main applications for MMT multi-axis sensors are: · Transmission gearbox sensors · Stick shift sensors · Computer peripherals sensors (joystick,…)
			Planar position sensor
					Patents for these technologies are granted or pending in USA, Europe, Korea and Japan.
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