Occupancy monitor

Details Occupancy monitor Occupancy monitor

1981-08-03

1984-10-09

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340 52F, 340539, 340545, 346 59, G08B 2100

Patent

active

044764618

ABSTRACT:
Occupancy is monitored at a plurality of locations, such as stores, seats or chairs, hotel beds or rooms, doorway passages, service establishments, or the like, and a record is provided of the time of occupancy. The system has respective occupancy-controlled switches in electric circuits providing occupancy signals at the respective locations. These signals are fed via a transmitting circuit, which suitably selects the recorder channels, to a multi-trace recorder, and in conjunction with a clock, provides a timed record of occupancy on the respective recorder traces associated with the monitored locations. The data may be printed on a moving paper recorder strip or may be in the form of magnetic recordings on the magnetic tape of a tape recorder. Timed recordings of fault disturbances may be similarly obtained.

REFERENCES:
patent: 920993 (1909-05-01), Pim
patent: 2852766 (1958-09-01), Green
patent: 3343624 (1967-09-01), Shaheen
patent: 3605110 (1971-09-01), Southward et al.
patent: 3634866 (1972-01-01), Meyer
patent: 3858181 (1974-12-01), Goldsby et al.
patent: 3906441 (1975-09-01), Andersen et al.
patent: 4001777 (1977-01-01), Alexander
patent: 4208664 (1980-06-01), Mattori

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