System for entering temperature control data and displaying it with the temperature scale

A system for selectively setting a numerical temperature level and for displaying a temperature setting comprising the selected temperature level and an alphabetic temperature unit data indicating the temperature scale associated with said selected temperature level, wherein said temperature scale is in degrees Celsius or degrees Fahrenheit, said system comprising:

• temperature data input means for entering the temperature level to be set and displayed;
• temperature unit code generator means for entering the temperature scale associated with said temperature level;
• memory means for combining a said temperature level entered by said temperature data input means with a said temperature scale entered by said temperature unit code generator means to form a said temperature setting and for storing said temperature-setting;
• temperature-setting register means for storing a said temperature level;
• first gate circuit means coupled to said temperature data input means and said memory means for transferring a said temperature level from said temperature data input means to said memory means;
• second gate circuit means coupled to said temperature unit code generator means and said memory means for transferring a said temperature scale from said temperature unit code generator means to said memory means;
• third gate circuit means coupled to said first gate circuit means and said temperature-setting register means for transferring temperature levels between said temperature setting register means and said memory means through said first gate circuit means and said third gate circuit means;
• display means coupled to said memory means for displaying said temperature setting including said temperature level and said temperature scale stored in said memory means;
• and
• instruction data generator means coupled to said temperature data input means, said first gate circuit means, said second gate circuit means and said third gate circuit means for controlling (a) the transfer of a temperature level from said temperature data input means to said memory means via said first gate circuit means, (b) the transfer of a said temperature scale from said temperature unit code generator means to said memory means via said second gate circuit means, and (c) the transfer of a said temperature level between said temperature setting register means and said memory means via said first gate circuit means and said third gate circuit means to combine in said memory means a temperature level entered through said temperature data input means and a temperature scale entered through said temperature unit code generating means into a temperature setting in said memory means for display by said display means.