Locking system with magnetic field shield

Details Locking system with magnetic field shield Locking system with magnetic field shield

1996-12-20

1998-04-07

Gall, Lloyd A.

Locks

Operating mechanism

Using a powered device

70276, 70408, 174 35R, 34082554, E05B 4900, H05K 900

Patent

active

057351520

ABSTRACT:
In a locking system comprising a lock unit and a key unit, each of which has an induction coil for transmitting power and data, the induction coil on the lock side is mounted by via a coil carrier on a lock body in the lock unit. Between the induction coil on the lock side and the lock body, there is a screening body which magnetically screens off the lock body from the induction coil on the lock side.

REFERENCES:
patent: 3686421 (1972-08-01), Wunsche et al.
patent: 4439699 (1984-03-01), Brende et al.
patent: 4453269 (1984-06-01), Skar
patent: 4565994 (1986-01-01), Mochida et al.
patent: 5307658 (1994-05-01), Kokubu et al.
patent: 5551267 (1996-09-01), Janssen et al.

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