Communications: electrical – Condition responsive indicating system – With particular system function
Patent
1983-06-29
1985-04-30
Crosland, Donnie L.
Communications: electrical
Condition responsive indicating system
With particular system function
340506, 340500, 340531, G08B 2300
Patent
active
045147213
ABSTRACT:
A security-ensuring apparatus capable of operating in an unmanned security-ensuring operation mode, a manned security-ensuring operation mode, or a management operation mode having at least a maintenance mode or a patrol mode, the apparatus having an operation mode-switching unit, an emergency-detecting unit for detecting an emergency or abnormality which has occurred in a predetermined area, and a control unit for permitting transmission of an emergency or abnormality signal to a central monitoring station on the basis of discrimination of the current operation mode of the apparatus.
REFERENCES:
patent: 3678391 (1972-07-01), Gough
patent: 3914692 (1975-10-01), Seaborn, Jr.
patent: 3925763 (1975-12-01), Wadhwani et al.
Ooba Kaoru
Shiraiwa Toshiyuki
Crosland Donnie L.
Secom Co., Ltd.
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