초록 ▼

A seat belt retractor (12) comprises a frame (40), a seat belt webbing spool (42) rotatably mounted in the frame (40), and an actuator (70) for locking the seat belt webbing spool (42) against rotation in at least one direction (B) in the frame (40). The actuator (70) is mounted to the frame (40). A

A seat belt retractor (12) comprises a frame (40), a seat belt webbing spool (42) rotatably mounted in the frame (40), and an actuator (70) for locking the seat belt webbing spool (42) against rotation in at least one direction (B) in the frame (40). The actuator (70) is mounted to the frame (40). An accelerometer (82) provides an electrical output signal indicative of vehicle deceleration. The accelerometer (82) is mounted on the frame (40). A controller (84) monitors the electrical output signal and causes the actuator (70) to lock the seat belt webbing spool (42) against rotation in the at least one direction (B) upon the occurrence of a predetermined amount of vehicle deceleration. The controller (84) is mounted on the frame (40).

대표청구항 ▼

A seat belt retractor (12) comprises a frame (40), a seat belt webbing spool (42) rotatably mounted in the frame (40), and an actuator (70) for locking the seat belt webbing spool (42) against rotation in at least one direction (B) in the frame (40). The actuator (70) is mounted to the frame (40). A

A seat belt retractor (12) comprises a frame (40), a seat belt webbing spool (42) rotatably mounted in the frame (40), and an actuator (70) for locking the seat belt webbing spool (42) against rotation in at least one direction (B) in the frame (40). The actuator (70) is mounted to the frame (40). An accelerometer (82) provides an electrical output signal indicative of vehicle deceleration. The accelerometer (82) is mounted on the frame (40). A controller (84) monitors the electrical output signal and causes the actuator (70) to lock the seat belt webbing spool (42) against rotation in the at least one direction (B) upon the occurrence of a predetermined amount of vehicle deceleration. The controller (84) is mounted on the frame (40). to the starting end of the measuring rod. This magnetization results in a magnetic field whose direction is also continuously rotated as one advances in the direction of measurement. By means of at least one magnetic field sensor which responds to the direction of the magnetic field the prevailing field angle for each position is determined and can be clearly assigned to the position for a multitude of different variants of the length measurement system. tional position of an object rotatable around a rotary axis, whereby a permanent magnet is secured to the rotary axis, wherein the distance between the sensor and the permanent magnet is selected so that the magnetic field concentrator is magnetically at least partially saturated. 7. Sensor according to claim 2, wherein the magnetic field concentrator is made of metal glass. 8. Use of a sensor according to claim 2 as an angle sensor for determining the rotational position of an object rotatable around a rotary axis, whereby a permanent magnet is secured to the rotary axis, wherein the distance between the sensor and the permanent magnet is selected so that the magnetic field concentrator is magnetically at least partially saturated. 9. A sensor according to claim 1, wherein the Hall-effect elements are horizontal Hall-effect elements that are positioned interior the peripheral edge of the magnetic field concentrator. 10. Use of a sensor according to claim 9 as an angle sensor for determining the rotational position of an object rotatable around a rotary axis, whereby a permanent magnet is secured to the rotary axis, wherein the distance between the sensor and the permanent magnet is selected so that the magnetic field concentrator is magnetically at least partially saturated. 11. Sensor according to claim 1, wherein the Hall-effect elements are vertical Hall-effect elements positioned outside the peripheral edge of the magnetic field concentrator. 12. Use of a sensor according to claim 11 as an angle sensor for determining the rotational position of an object rotatable around a rotary axis, whereby a permanent magnet is secured to the rotary axis, wherein the distance between the sensor and the permanent magnet is selected so that the magnetic field concentrator is magnetically at least partially saturated. 13. Sensor according to claim 1, wherein the magnetic field concentrator is made of metal glass. 14. Use of a sensor according to claim 1 as an angle sensor for determining the rotational position of an object rotatable around a rotary axis, whereby a permanent magnet is secured to the rotary axis, wherein the distance between the sensor and the permanent magnet is selected so that the magnetic field concentrator is magnetically at least partially saturated. 15. Sensor for the detection of the direction of a magnetic field, comprising: at least three magnetic field concentrators of generally flat shape arranged in a plane symmetrically relative to a point of symmetry, each magnetic field concentrator having an edge facing an edge of a neighbouring magnetic field concentrator, wherein a portion of each of the facing edges are substantially parallel to each other, and each of the magnetic field concentrators having a Hall-effect element or a group of Hall-effect elements associated therewith, wherein the Hall-effect elements are arranged near said portion of the edge thereof. 16. Sensor according to claim 15, wherein the Hall-effect elements are horizontal Hall-effect elements. 17. Sensor according to claim 15, wherein the Hall-effect elements are vertical Hall-effect elements. 18. Sensor according to claim 15, wherein the magnetic field concentrators are made of metal glass.