초록 ▼

A magnetic-based sensor is disclosed which can detect a linear and rotary position of a shaft whose movement is to be measured. Such sensor can operate to yield linear displacement as well as rotation. A position magnet is mounted on the shaft for measuring linear motion. A spirally wound magnet is

A magnetic-based sensor is disclosed which can detect a linear and rotary position of a shaft whose movement is to be measured. Such sensor can operate to yield linear displacement as well as rotation. A position magnet is mounted on the shaft for measuring linear motion. A spirally wound magnet is mounted on the shaft to detect rotational motion. Both of such motions are detected by a single magnetic-based sensor.

대표청구항 ▼

A magnetic-based sensor is disclosed which can detect a linear and rotary position of a shaft whose movement is to be measured. Such sensor can operate to yield linear displacement as well as rotation. A position magnet is mounted on the shaft for measuring linear motion. A spirally wound magnet is

A magnetic-based sensor is disclosed which can detect a linear and rotary position of a shaft whose movement is to be measured. Such sensor can operate to yield linear displacement as well as rotation. A position magnet is mounted on the shaft for measuring linear motion. A spirally wound magnet is mounted on the shaft to detect rotational motion. Both of such motions are detected by a single magnetic-based sensor. cuit is applied to a base of the first bipolar junction transistor and to a base of the second bipolar junction transistor; and the feedback potential, when applied to the first circuit, generates a current through the first bipolar junction transistor that is equivalent to a current generated by the feedback potential through the second bipolar junction transistor. 5. A voltage stabilization circuit as recited in claim 1, wherein the second circuit is further implemented with a voltage divider configured to increase the stable output voltage of the first circuit. 6. A voltage stabilization circuit as recited in claim 1, wherein the second circuit is further implemented with transistor components configured to increase an output current of the first circuit. 7. A voltage stabilization circuit as recited in claim 1, wherein the second circuit is further implemented with a stabilization component configured to prevent a positive feedback potential from being applied to the first circuit. 8. A voltage stabilization circuit as recited in claim 1, wherein the second circuit is further implemented with a capacitor coupled to the first circuit, the capacitor configured to prevent a positive feedback potential from being applied to the first circuit. 9. A voltage stabilization circuit as recited in claim 1, wherein the second circuit is further implemented with: a voltage divider configured to increase the stable output voltage of the first circuit; transistor components configured to increase an output current of the first circuit; and a stabilization component configured to prevent a positive feedback potential from being applied to the first circuit. 10. A voltage stabilization circuit as recited in claim 9, wherein the stabilization component is a capacitor, and wherein the transistor components include a field-effect transistor coupled to a bipolar junction transistor, the field-effect transistor coupled to the current mirror circuits and to the capacitor, and the bipolar junction transistor coupled to the voltage divider. 11. An electrical circuit, comprising: a band gap reference circuit configured to generate a stable output voltage; a first current mirror circuit configured to generate current input to the band gap reference circuit; a second current mirror circuit coupled to the first current mirror circuit; and a third current mirror circuit coupled to the second current mirror circuit, wherein the first current mirror circuit, the second current mirror circuit, and the third current mirror circuit are implemented in a folded cascode configuration to form a folded cascode feedback circuit configured to generate a feedback potential that is applied to the band gap reference circuit. 12. An electrical circuit as recited in claim 11, further comprising at least one other current mirror circuit implemented as a component of the folded cascode feedback circuit. 13. An electrical circuit as recited in claim 11, wherein the band gap reference circuit includes a first transistor and a second transistor, and wherein a current through the first transistor is equivalent to a current through the second transistor when the feedback potential is applied to the first transistor and to the second transistor. 14. An electrical circuit as recited in claim 11, wherein: the band gap reference circuit includes a first bipolar junction transistor and a second bipolar junction transistor; the first current mirror circuit includes a first field-effect transistor coupled to the first bipolar junction transistor, and a second field-effect transistor coupled to the second bipolar junction transistor; a current generated by the first field-effect transistor is input to the first bipolar junction transistor, and a current generated by the second field-effect transistor is input to the second bipolar junction transistor; and the current through the first bipolar junction transistor is equivalent to the current through the second