HVAC control system

Details HVAC control system HVAC control system

2007-05-08

2007-05-08

Masinick, Michael D. (Department: 2125)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Mechanical control system

C700S278000, C239S091000, C239S091000, C239S003000

Reexamination Certificate

active

10817497

ABSTRACT:
Systems and methods are described for a HVAC control system. An apparatus, includes: a microcontroller; a digital temperature sensor coupled to the microcontroller; a liquid crystal display coupled to the microcontroller; a set of cursor buttons coupled to the microcontroller; a first data structure of personal identification numbers coupled to the microcontroller; a second data structure of historical system usage data coupled to the microprocessor; an upload software thread coupled to the microprocessor and to the first data structure; a billing computer coupled to the second data structure; a real time clock coupled to the microcontroller; and a back up power supply coupled to the real time clock.

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