Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1983-06-20
1986-02-25
Rowland, James L.
Communications: electrical
Condition responsive indicating system
Specific condition
340542, 340543, G08B 1314
Patent
active
045730431
ABSTRACT:
Alarm producing apparatus for safeguarding a container carried by a messenger including a time countdown system and a status detection system assuring that container and messenger remain together. Countdown time is set sufficiently to allow normal delivery of container by messenger. Smoke, sound and/or visual signals are triggered by separating container from messenger or by excess time lapse occurring during delivery of container by messenger.
REFERENCES:
patent: 3851602 (1974-12-01), Lamping
patent: 4267553 (1981-05-01), Vogelsanger et al.
patent: 4305062 (1981-12-01), Hogg, Jr. et al.
Clement Cornelis J.
Heuker of Hoek Johannes G. J.
van der Lee Ernst M.
Captor Holding B.V.
Lau Chi K.
Matthews Guy E.
Rowland James L.
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