Compact power detacher

Details Compact power detacher Compact power detacher

1994-09-27

1996-07-16

Meyers, Steven N.

Locks

Special application

For antitheft signaling device on protected article

340572, 307139, E05B 6500

Patent

active

055356060

ABSTRACT:
Apparatus for detaching an electronic surveillance tag from an article to which it is attached, the tag having a locking member therein and defining an exteriorly accessible passage to the locking member, comprises a motor, a probe rotatable by the motor for movement in the passage into and from unlocking relation with the locking member and drive controller for the motor. The drive controller includes circuitry for (1) establishing a time period for energization of the motor, (2) effecting first sense movement of the probe during a first portion of the time period, (3) discontinuing movement of the probe during a second portion of the time period, and (4) effecting second sense movement of the probe following expiration of the second portion during a third portion of the time period.

REFERENCES:
patent: 3858280 (1975-01-01), Martens
patent: 3914829 (1975-10-01), Paskert
patent: 3947930 (1976-04-01), Martens et al.
patent: 4196424 (1980-04-01), Williamson
patent: 4287395 (1981-09-01), Martin
patent: 4311992 (1982-01-01), De Chant
patent: 4406953 (1983-09-01), Tanaka et al.
patent: 4426639 (1984-01-01), Jessup
patent: 4745664 (1988-05-01), Damvig
patent: 4987754 (1991-01-01), Minasy et al.
patent: 5357143 (1994-10-01), Lehr et al.
patent: 5426419 (1995-01-01), Nguyen et al.

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