Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1989-05-18
1990-06-12
Orsino, Joseph A.
Communications: electrical
Condition responsive indicating system
Specific condition
340426, 70DIG49, 70 58, 70257, G08B 1314
Patent
active
049336630
ABSTRACT:
A theft protection system for an installation unit recessed in an installation passage protects the installation unit mechanically and by an electrically initiated alarm by permitting the installation to be pulled out of the installation passage to a distance limited mechanically by a movable protection stop and by actuating an electrical theft protection contact within this distance by utilizing the relative motion between the installation unit as an installation retention arrangement and the installation passage to initiate the alarm.
REFERENCES:
patent: 3768587 (1973-10-01), Gebhard et al.
patent: 3994148 (1976-11-01), Anderson
patent: 4211995 (1980-07-01), Smith
patent: 4805233 (1989-02-01), Robitschko et al.
Guckel Martin
Holzhauer Horst
Kneib Rudi
Robitschko Peter
Weikert Gunther
Daimler-Benz AG
Orsino Joseph A.
Sutcliffe Geoff
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