초록 ▼

An electro-optical display in a programmable electronic thermostat includes a plurality of selectively energized display elements which cooperate with a 24-hour time indicia to provide a continuous visual display of the time periods during which a specific programmed space temperature is to be maint

An electro-optical display in a programmable electronic thermostat includes a plurality of selectively energized display elements which cooperate with a 24-hour time indicia to provide a continuous visual display of the time periods during which a specific programmed space temperature is to be maintained.

대표청구항 ▼

In a programmable thermostat having digital memory means for storing a time-temperature schedule defining two different temperatures to be maintained during different time periods in a 24-hour time span, the improvement comprising display means including 24-hour time span indicia and an electro-opti

In a programmable thermostat having digital memory means for storing a time-temperature schedule defining two different temperatures to be maintained during different time periods in a 24-hour time span, the improvement comprising display means including 24-hour time span indicia and an electro-optical display, said electro-optical display including a plurality of display elements arranged contiguously on its perimeter and adjacent to said time span indicia, each of said display elements, in cooperation with said time span indicia, representing a specific duration of time, said display elements being selectively energized in accordance with the stored time-temperature schedule such that those of said display elements that are energized provide for a continuous visual indication of the time periods during which one of the two stored temperatures is to be maintained.