Security guard recording system

Details Security guard recording system Security guard recording system

1974-09-10

1976-05-25

Boudreau, Leo H.

Registers

Platform operated

Platform actuated traffic counters

235 6111E, 235 617B, 340149R, 340306, 346 52, G08B 2900

Patent

active

039596338

ABSTRACT:
A watchman's tour recording system which includes a watchman's unit having a clock means for producing digital time signals, a station identification signal producing means for producing digital station signals, at least two digital bit storage or memory means and special address means arranged to direct the digital time and station identification signals into predetermined locations in the memory means so that their storage capabilities are most effectively utilized. Novel photoelectric station identification signal generating means are also disclosed.

REFERENCES:
patent: 3419881 (1968-12-01), Yamamoto et al.
patent: 3457391 (1969-07-01), Yamamoto
patent: 3582617 (1971-06-01), Berler
patent: 3593008 (1971-07-01), De Witt et al.
patent: 3688088 (1972-08-01), Brown et al.
patent: 3736561 (1973-05-01), Rumpel
patent: 3757089 (1973-09-01), Hockler
patent: 3781845 (1973-12-01), Ellul

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