Flat key

Details Flat key Flat key

1997-09-30

1999-03-09

Meyers, Steven

Locks

Operating mechanism

Using a powered device

70408, 70278, 70395, 70413, E05B 4700, E05B 1904

Patent

active

058786112

ABSTRACT:
A flat metal key has a groove-shaped recess in the narrow side of the bow for receiving a transponder as a code transmitter, a ferrite coil and a line connecting the ferrite coil with the code transmitter.

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patent: 4998952 (1991-03-01), Hyatt, Jr. et al.
patent: 5117097 (1992-05-01), Kimura et al.
patent: 5195341 (1993-03-01), Nieuwkoop
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patent: 5433096 (1995-07-01), Janssen et al.
patent: 5469727 (1995-11-01), Spahn et al.
patent: 5548984 (1996-08-01), Miyatsu
patent: 5632168 (1997-05-01), Yano
patent: 5735152 (1998-04-01), Dietz et al.
U.S. application No. 08/646472, filed May, 1996 (19 pages).

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