Short circuit protection device
First Claim
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1. IN A CIRCUIT ADAPTED TO PROTECT A SIGNAL TRANSLATING TRANSISTOR DEVICE AGAINST OVERLOAD AND HAVING REGULATING MEANS COOPERATING THEREWITH FOR SUPPLYING CURRENT AT CONSTANT VOLTAGE TO A LOAD FROM A SOURCE, SAID REGULATING MEANS RESPONSIVE TO THE VOLTAGE ACROSS SAID LOAD TO PRESENT A FIRST CONTROL SIGNAL TO SAID TRANSISTOR DEVICE FOR CONTROLLING THE VOLTAGE ACROSS SAID TRANSISTOR DEVICE;
- A CURRENT RESPONSIVE CIRCUIT RESPONSIVE TO LOAD CURRENT TO PRESENT A SECOND CONTROL SIGNAL TO SAID TRANSISTOR DEVICE FOR CONTROLLING THE CURRENT THROUGH SAID TRANSISTOR DEVICE, AND A VOLTAGE RESPONSIVE CIRCUIT RESPONSIVE TO A CHANGE FROM A PREDETERMINED VALUE IN SAID FIRST CONTROL SIGNAL FOR VARYING SAID SECOND CONTROL SIGNAL.
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1 Claim
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1. IN A CIRCUIT ADAPTED TO PROTECT A SIGNAL TRANSLATING TRANSISTOR DEVICE AGAINST OVERLOAD AND HAVING REGULATING MEANS COOPERATING THEREWITH FOR SUPPLYING CURRENT AT CONSTANT VOLTAGE TO A LOAD FROM A SOURCE, SAID REGULATING MEANS RESPONSIVE TO THE VOLTAGE ACROSS SAID LOAD TO PRESENT A FIRST CONTROL SIGNAL TO SAID TRANSISTOR DEVICE FOR CONTROLLING THE VOLTAGE ACROSS SAID TRANSISTOR DEVICE;
- A CURRENT RESPONSIVE CIRCUIT RESPONSIVE TO LOAD CURRENT TO PRESENT A SECOND CONTROL SIGNAL TO SAID TRANSISTOR DEVICE FOR CONTROLLING THE CURRENT THROUGH SAID TRANSISTOR DEVICE, AND A VOLTAGE RESPONSIVE CIRCUIT RESPONSIVE TO A CHANGE FROM A PREDETERMINED VALUE IN SAID FIRST CONTROL SIGNAL FOR VARYING SAID SECOND CONTROL SIGNAL.
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Current AssigneeJames L. Thomas
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Original AssigneeJames L. Thomas
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InventorsThomas, James L.
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Application NumberUS03/841,621Time in Patent Office1,246 DaysField of SearchUS Class Current323/278CPC Class CodesG05F 1/573 with overcurrent detector
