Electrical resistors – Resistance value responsive to a condition – Magnetic field or compass
Reexamination Certificate
2005-06-21
2005-06-21
Easthom, Karl D. (Department: 2832)
Electrical resistors
Resistance value responsive to a condition
Magnetic field or compass
C338S128000, C338S012000
Reexamination Certificate
active
06909353
ABSTRACT:
A multi-directional control device comprising a base (1) on which is mounted a stick (2) which is maintained in a non-active central position by elastic means (3) and which can be manually inclined to any orientation around said non-active central position against the force of said elastic means (3). Four hall effect sensors (4) are associated with said base (1) and one magnet (5) attached to said stick (2). The Hall effect sensors (4) are adapted to issue a signal in response to the variations in magnetic field produced by the movement of said magnet (5) when the stick (2) is inclined. The magnet (5) is in the form of a circular crown and is fastened to a non-accessible portion (2b) of the stick (2) with an upper face of the magnet (5) perpendicular to the stick (2), and the Hall effect sensors (4) are arranged around said stick (2) between the magnet (5) and an upper wall (22) of the base (1), in a plane which is substantially parallel to said upper magnet (5) face when the stick (2) is in said non-active central position and at a distance from the center of the same which is slightly less than the magnet (5) radius.
REFERENCES:
patent: 4459578 (1984-07-01), Sava et al.
patent: 4489303 (1984-12-01), Martin
patent: 4733214 (1988-03-01), Andresen
patent: 4825157 (1989-04-01), Mikan
patent: 5861796 (1999-01-01), Benshoff
patent: 2098729 (1997-05-01), None
Easthom Karl D.
Industrias Lorenzo S.A.
Jacobson & Holman PLLC
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