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Electronic programmable thermostat

  • US 4,669,654 A
  • Filed: 02/18/1986
  • Issued: 06/02/1987
  • Est. Priority Date: 02/18/1986
  • Status: Expired due to Term
First Claim
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1. An electronic thermostat for the control of a temperature modifying load, comprising:

  • a component having an electrical characteristic which is a function of the ambient temperature;

    a manually adjustable control member having a continuously adjustable analog electrical characteristic, and corresponding temperature-related indicia, for entering a desired temperature set-point;

    electronic means operative to generate a digital signal having a value which is a function of the sum of the electrical characteristics of said component and said control member, and operative to use said digital signal to generate an output control signal for the temperature modifying load which modifies the ambient temperature to restore said digital signal to a constant value.

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