Rotational Speed Sensor Having A Coupling Bar
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Abstract
A rotational speed sensor including at least one substrate, at least two base elements which each have a frame, a means for suspending the frame from the substrate, at least one seismic mass and one means for suspending the seismic mass from the frame. One or more drive means are provided for driving one or more base elements and one or more reading devices. The at least two base elements are coupled to one another by means of at least one coupling bar.
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Citations
41 Claims
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1-18. -18. (canceled)
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19. A rotational speed sensor comprising:
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at least one substrate having a base area oriented parallel to an x-y plane of a Cartesian coordinate system, at least two base elements each having a frame, a means for suspending the frame from the at least one substrate, at least one seismic mass and a means for suspending the seismic mass from the frame, at least one drive means for driving at least one base element and at least one reading device, and at least one coupling bar for coupling the at least two base elements. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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31. The rotational speed sensor as claimed in 19, wherein a sensed rotational speed can be determined from a difference signal of reading devices which are each assigned to respective seismic masses of a base element, and from the difference signal of the reading devices that are assigned to different base elements.
Specification