Temperature program apparatus
First Claim
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1. APPARATUS TO PROGRAM THE TEMPERATURE IN AN OVEN OVER A SELECTED RANGE OF TEMPERATURES COMPRISING A PLURALITY OF PARALLEL CONNECTED SETTING POTENTIOMETERS WITH ADJUSTABLE CONTACTS ADAPTED TO BE CONNECTED ACROSS A D-C VOLTAGE SOURCE, A TAPPED POTENTIOMETER WITH A MOVABLE CONTACT HAVING TAPS CONNECTED TO THE ADJUSTABLE CONTACTS OF THE SETTING POTENTIOMETERS, MEANS DRIVING THE MOVABLE CONTACT OF THE TAPPED POTENTIOMETER TO PROVIDE AT THE MOVABLE CONTACT A FIRST SIGNAL REPRESENTATIVE OF A SELECTED TEMPERATURE PROGRAM, TEMPERATURE SENSITIVE MEANS TO GENERATE A SECOND SIGNAL REPRESENTATIVE OF THE OVEN TEMPERATURE, AND MEANS RESPONSIVE TO THE FIRST AND SECOND SIGNALS TO CONTROL THE TEMPERATURE OF THE OVEN.
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1 Claim
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1. APPARATUS TO PROGRAM THE TEMPERATURE IN AN OVEN OVER A SELECTED RANGE OF TEMPERATURES COMPRISING A PLURALITY OF PARALLEL CONNECTED SETTING POTENTIOMETERS WITH ADJUSTABLE CONTACTS ADAPTED TO BE CONNECTED ACROSS A D-C VOLTAGE SOURCE, A TAPPED POTENTIOMETER WITH A MOVABLE CONTACT HAVING TAPS CONNECTED TO THE ADJUSTABLE CONTACTS OF THE SETTING POTENTIOMETERS, MEANS DRIVING THE MOVABLE CONTACT OF THE TAPPED POTENTIOMETER TO PROVIDE AT THE MOVABLE CONTACT A FIRST SIGNAL REPRESENTATIVE OF A SELECTED TEMPERATURE PROGRAM, TEMPERATURE SENSITIVE MEANS TO GENERATE A SECOND SIGNAL REPRESENTATIVE OF THE OVEN TEMPERATURE, AND MEANS RESPONSIVE TO THE FIRST AND SECOND SIGNALS TO CONTROL THE TEMPERATURE OF THE OVEN.
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Current AssigneeHarris, Holton E.
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Original AssigneeHarris, Holton E.
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InventorsHarris, Holton E.
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Application NumberUS04/470,162Time in Patent Office853 DaysField of SearchUS Class Current236/46.00RCPC Class CodesG05D 23/1904 variable in timeG05D 23/24 the sensing element having ...
