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公开(公告)号：US3611809A
公开(公告)日：1971-10-12
申请号：US3611809D
申请日：1968-07-02
Applicant: CSF
Inventor： CANTAT MICHEL , MATHEY RAYMOND
Abstract: A VIBRATING STRING GRAVIMETER COMPRISING, INSIDE A HOUSING, A MASS SUSPENDED ON A VIBRATING STRING, WHICH IS ATTACHED TO THE HOUSING AND VIBRATES IN THE FIELD OF A PERMANENT MAGNET. AT LEAST TWO ELASTIC PARALLEL DIAPHRAGMS ATTACH THE MASS TO THE HOUSING. THE MASS AND THE HOUSING HAVE PLANE AND POLISHED HORIZONTAL SURFACES FACING EACH OTHER AND AT A DISTANCE FROM EACH OTHER ADJUSTED FOR DAMPING THE DISPLACEMENTS OF THE MASS BY LAMINATION OF AIR BETWEEN THESE SURFACES.
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