A geomagnetic sensor for auto-calibration of a deviation and a method of using the geomagnetic sensor. The geomagnetic sensor includes a geomagnetic detector including X-axis and Y-axis fluxgates orthogonal to each other and receiving a drive signal to det...

A method is designed for measuring a magnetic offset of a geomagnetic sensor equipped in a portable information terminal apparatus having a storage. The geomagnetic sensor has a magnetic sensitivity to a geomagnetic field and is affected by magnetization t...

A three-axis fluxgate-type circuit having three fluxgate sensors for outputting three analog voltage values respectively. A controller normalizes three digital voltage values corresponding to said three analog voltage values, select a set of linear voltage...

A two-axis fluxgate sensor has a driving pulse generating circuit which generates pulse signal and outputs as a driving signal, and X-axis and Y-axis fluxgates which are in proportional relation with each other. The two-axis fluxgate sensor generates volta...

A geomagnetic sensor supporting a dip angle detection function. The geomagnetic sensor includes a rotation angle measurement part for measuring pitch and roll angles of the main body with respect to the surface of the Earth; a geomagnetic measurement modul...

A magnetic sensor (1) is constituted using magnetic sensor chips (2, 3) mounted on stages (6, 7) supported by interconnecting members (12, 13) and a frame (9) having leads (4) in a lead frame (10). Herein, the stages are inclined upon plastic deformation o...

A magnetic detection element of the present invention for detecting a strength of an external magnetic field, comprises a magnetic thin film formed on a single non-magnetic substrate, a circuit that applies a high-frequency current to the magnetic thin fil...

To provide an electronic equipment having a built-in electronic compass that detects terrestrial magnetism using a magnetic sensor, which is drivable with efficiency, and displays a compass direction (north). In this electronic wrist watch, a comparison me...