Room temperature sensor and thermostat control device

A thermostat control device adapted for use controlling the temperature of a space by a temperature control system, the device comprising:

• means for measuring temperature in the space and generating a temperature signal indicative thereof:
• a binary coded switch having discrete positions corresponding to a plurality of setpoint temperatures for selectively setting a setpoint temperature, said binary coded switch including a resistor network having a network of setpoint resistors and switches, and a setpoint adjust switch configured and arranged to be moved in a substantially linear direction to open/close said setpoint switches in a binary coded fashion indicative of a position of said binary coded switch;
• means for determining the position of said binary coded switch and generating a setpoint signal responsive to said determined position;
• and
• means for transmitting said temperature signal and said setpoint signal to the temperature control system, wherein said means for transmitting said setpoint signal comprises the temperature control system reading said setpoint signal as a current.

A thermostat control device adapted for use controlling the temperature of a space by a temperature control system, the device comprising:

• means for measuring temperature in the space and generating a temperature signal indicative thereof;
• a binary coded switch having discrete positions corresponding to a plurality of setpoint temperatures for selectively setting a setpoint temperature, said binary coded switch including a resistor network having a network of setpoint resistors and switches, and a setpoint adjust switch configured and arranged to be moved in a substantially linear direction to open/close said setpoint switches in a binary coded fashion indicative of a position of said binary coded switch;
• means for determining the position of said binary coded switch and generating a setpoint signal responsive to said determined position;
• and
• means for transmitting said temperature signal and said setpoint signal to the temperature control system;
• and,
• means for disabling transmission of setpoint signals when the temperature control system switches to a night mode of operation wherein the temperature control system controls setpoint temperature setting.

A thermostat control device adapted for use controlling the temperature of a space by a temperature control system, the device comprising:

• means for measuring temperature in the space and generating a temperature signal indicative thereof;
• a binary coded switch having discrete positions corresponding to a plurality of setpoint temperatures for selectively setting a setpoint temperature, said binary coded switch including a resistor network having a network of setpoint resistors and switches, and a setpoint adjust switch configured and arranged to be moved in a substantially linear direction to open/close said setpoint switches in a binary coded fashion indicative of a position of said binary coded switch;
• means for determining the position of said binary coded switch and generating a setpoint signal responsive to said determined position;
• and
• means for transmitting said temperature signal and said setpoint signal to the temperature control system;
• and,
• means for displaying said measured temperature and/or said setpoint temperature in metric or standard engineering units.

A thermostat control device adapted for use controlling the temperature of a space by a temperature control system, the device comprising:

• means for measuring temperature in the space and generating a temperature signal indicative thereof;
• a binary coded switch having discrete positions corresponding to a plurality of setpoint temperatures for selectively setting a setpoint temperature, said binary coded switch including a resistor network having a network of setpoint resistors and switches, and a setpoint adjust switch configured and arranged to be moved in a substantially linear direction to open/close said setpoint switches in a binary coded fashion indicative of a position of said binary coded switch;
• means for determining the position of said binary coded switch and generating a setpoint signal responsive to said determined position;
• and
• means for transmitting said temperature signal and said setpoint signal to the temperature control system;
• and
• a man-machine interface port for connecting a man-machine interface computer to said temperature control system so that said man-machine interface computer may communicate with said temperature control system.

A thermostat control device adapted for use in controlling the temperature in a space by a temperature control system, the device comprising:

• means for measuring the temperature in the space and generating a temperature signal indicative thereof;
• a binary coded switch having discrete positions corresponding to a plurality of setpoint temperatures for selectively setting a setpoint temperature and containing an intercept resistor, a series resistor network connected in series with said intercept resistor and comprising a network of setpoint resistors and switches, said setpoint resistors being connected in series and having a value equal to 2.sup.n-1 R where R is a reference resistance value and n is a position number of a setpoint resistor in said network with position number one being closest to said intercept resistor, and said switches being open and connected in parallel with said setpoint resistors so that every setpoint resistor has one corresponding switch connected therewith and a setpoint adjust switch configured to open/close said switches in a binary coded fashion generating a resistance value indicative of said binary coded switch position;
• means for generating a setpoint signal responsive to said resistance value;
• means for transmitting said temperature signal and said setpoint signal to the temperature control system;
• and
• means for displaying said measured temperature and/or said setpoint temperature in metric or standard engineering units.

A thermostat control device adapted for use in controlling the temperature of a space by a temperature control system, the device comprising:

• means for measuring the temperature in the space and generating a temperature signal indicative thereof;
• a binary coded switch having discrete positions corresponding to a plurality of setpoint temperatures for selectively setting a setpoint temperature and containing an intercept resistor, a parallel resistor network connected in parallel with said intercept resistor and comprising a network of setpoint resistors and switches, said setpoint resistors being connected in parallel and having values equal to 2.sup.n-1 R where R is a reference resistance value and n is a position number of a setpoint resistor in said network with position number one being closest to said intercept resistor, and said switches being open and connected in series with said setpoint resistors so that every setpoint resistor has one corresponding switch connected therewith and a setpoint adjust switch configured to open/close said switches in a binary coded fashion generating a current value indicative of said binary coded switch position;
• means for generating a set point signal responsive to current value;
• means for comparing said temperature signal and said setpoint signal and generating a control signal for transmission to the temperature control system when said temperature signal does not equal said setpoint signal;
• and
• means for displaying said measured temperature and/or said setpoint temperature in metric or standard engineering units.