Micro processor controlled sensor system for apartment house

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62127, 165 11R, 364418, G06F 1520, F28F 2700

Patent

active

042349273

ABSTRACT:
A microprocessor controlled sensor system for an apartment house periodically samples the temperature of each apartment at preselected sample intervals of time. The on/off state of a furnace calling device such as a thermostatic switch is also periodically sampled at the preselected sample intervals of time. The apartment temperature samples for each apartment are accumulated to provide an indication of the degree days. The number of times that the furnace has been called by each apartment is stored to provide an indication of the frequency of use of the furnace by each apartment. The degree days and the frequency of furnace use provide an indication of the efficiency of the apartment house heating system.

REFERENCES:
patent: 3400374 (1968-09-01), Schumann
patent: 3995686 (1976-12-01), Laube
patent: 4002890 (1977-01-01), Welin
patent: 4049044 (1977-09-01), Cohen
patent: 4090248 (1978-05-01), Swanson et al.
patent: 4114807 (1978-09-01), Naseck et al.

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