×

Acceleration sensor with magnetic flux directing device

  • US 5,372,041 A
  • Filed: 03/03/1993
  • Issued: 12/13/1994
  • Est. Priority Date: 03/09/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. An acceleration sensor comprising:

  • a cylindrical coil holder provided in a housing;

    a coil wound around said coil holder;

    a circular hole-like guide section provided coaxially with said coil holder in said housing;

    a main magnet slidably held by said guide section;

    a cylindrical yoke assembled coaxially and integrally with said main magnet and surrounding a periphery of the coil;

    a front yoke provided at a front end of the main magnet, said front yoke directing magnetic flux from the main magnet in the direction orthogonal to the windings of the coil; and

    means for attracting the main magnet provided within said housing to attract said main magnet in the direction opposite said coil.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×