Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Reexamination Certificate
2005-07-26
2005-07-26
Scott, James R. (Department: 2832)
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
C109S038000, C312S216000, C340S500000, C340S652000, C340S687000, C439S133000
Reexamination Certificate
active
06921990
ABSTRACT:
An electronic monitoring system is disclosed for detecting the open and closed conditions of containers or cabinets containing confidential or classified information. The electronic monitoring system includes a current sensor that detects the presence of a locking bar secured to the containers. A current sensor located on each cabinet operatively cooperates with the transmitter that transmits a signal to a central location, which provides an indicator of the secured or non-secured condition of the container.
REFERENCES:
patent: 4105885 (1978-08-01), Orenstein
patent: 4317969 (1982-03-01), Riegler et al.
patent: 4598964 (1986-07-01), Frink et al.
Kasischke James M.
Nasser Jean-Paul
Oglo Michael F.
Scott James R.
The United States of America as represented by the Secretary of
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