Device for detecting magnetic azimuth
View Patent ↗There is provided a quadrilateral insulating substrate, and plural magnetic sensors are provided on the substrate. An IC is provided on the substrate for supplying driving signals to the magnetic sensors and receiving magnetic detecting signals from the magnetic sensors to output magnetic information depending on strength of magnetism. The magnetic sensors and the IC are encapsulated by an encapsulation member to integrate the substrate and magnetic sensors and IC.
1. A magnetic azimuth detecting device comprising:
a generally quadrilateral insulating single substrate having a plane surface;
plural magnetic sensors provided on the single substrate;
an IC provided on the single substrate for supplying driving signals to the magnetic sensors so that the magnetic sensors output magnetic information depending on strength of magnetism;
wherein the plural magnetic sensors and the IC are provided on the plane surface of the single substrate, and an encapsulation member made of resin is provided for encapsulating the magnetic sensors and the IC to integrate the single substrate, the magnetic sensors, and the IC.
2. The magnetic azimuth detecting device according to claim 1 wherein the magnetic sensors are disposed in an X-direction and a Y-direction of the substrate for detecting earth's magnetism in the X-direction and the Y-direction.
3. The magnetic azimuth detecting device according to claim 1 wherein each of the magnetic sensor is a flux-gate sensor having a core made of soft magnetic material.
4. The magnetic azimuth detecting device according to claim 1 wherein the substrate has a plurality of through-holes and terminal electrodes each of which is electrically connected to one of the corresponding through-holes, characterized in that the substrate is electrically connected to an outside substrate by surface mounting through the terminal electrodes.
5. A magnetic azimuth detecting device comprising:
a generally quadrilateral insulating single substrate having a plane surface;
plural magnetic sensors provided on the single substrate;
an IC provided on the single substrate for supplying driving signals to the magnetic sensors so that the magnetic sensors output magnetic information depending on strength of magnetism;
an arithmetic calculation means provided on the single substrate for calculating azimuth depending on the magnetic information;
wherein the plural magnetic sensors, the IC, and the arithmetic calculation means are provided on the plane surface of the single substrate, and an encapsulation member made of resin is provided for encapsulating the magnetic sensors, the IC, and the arithmetic calculation means to integrate the single substrate, the magnetic sensors, the IC, and the arithmetic calculation means.
6. The magnetic azimuth detecting device according to claim 5 wherein the magnetic means are disposed in an X-direction and a Y-direction of the substrate for detecting earth's magnetism in the X-direction and the Y-direction.
7. The magnetic azimuth detecting device according to claim 5 wherein each of the magnetic sensor is a flux-gate sensor having a core made of soft magnetic material.
8. The magnetic azimuth detecting device according to claim 5 wherein the substrate has a plurality of through-holes and terminal electrodes, each of which is electrically connected to one of the through-holes, characterized in that the substrate is electrically connected to an outside substrate by surface mounting through the terminal electrodes.
9. A magnetic azimuth detecting device, comprising:
a generally quadrilateral insulating single substrate having a plane surface;
plural magnetic sensors provided on the single substrate;
an IC provided on the substrate for supplying driving signals to the magnetic sensors so that the magnetic sensors output magnetic information depending on strength of magnetism;
wherein the plural magnetic sensors and the IC are provided on the plane surface of the substrate, one of the magnetic sensors is disposed in an X direction and another of the magnetic sensors is disposed in a Y direction on the plane surface of the single substrate, and an encapsulation member made of resin is provided for encapsulating the magnetic sensors and the IC to integrate the substrate, the magnetic sensors, and the IC.