Variable linearity coil

Details Variable linearity coil Variable linearity coil

1998-11-17

2000-09-05

Gellner, Michael L.

Inductor devices

With vibration control

315400, 336110, 336185, H01F 2700

Patent

active

061149349

ABSTRACT:
A variable linearity coil has a coil which is wound around a first core, a permanent magnet for charging a bias magnetic field to the first core, a bias magnetic field adjusting coil which is wound around a second core, and an electrically insulating base for mounting thereon the coil, the permanent magnet, and the magnetic field adjusting coil. The first core and the second core are placed one on top of the other with a non-magnetic and shock-absorbing spacer in between. Alternatively, the first core and the second core may be placed one on top of the other with a non-magnetic spacer in between, and a combination of the first core, the second core and the non-magnetic spacer is mounted on the base with a shock-absorbing spacer between the combination and the base.

REFERENCES:
patent: 2918639 (1959-12-01), Beymer
patent: 3284748 (1966-11-01), Matsumoto
patent: 4713589 (1987-12-01), Kashiwagi
patent: 5374912 (1994-12-01), Houck, III
patent: 5473299 (1995-12-01), Tsutsumi et al.

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