Methods, electrical power control system, and power control circuit for maintaining or providing constant or substantially constant power, for reducing and/or minimizing power decay, and for improving an infrared source driver, and methods of using same

A power control circuit for delivering or providing constant or substantially constant power, comprising:

• at least one of at least one circuit and at least one processor, at least one of the at least one circuit and the at least one processor operating to:
• dynamically control or change at least one of a voltage and a current of a predetermined, electrical component such that an electrical power, which is at least one of provided or delivered to the predetermined component and consumed by the predetermined component, is at least one of:
• (i) identical or substantially similar to a predetermined, chosen or preset value of electrical power;
• and (ii) constant or substantially constant, thereby reducing, minimizing or eliminating power decay within the predetermined component.

A non-transitory computer-readable storage medium containing software code operating to cause one or more of a plurality of processors to perform the steps, comprising:

• dynamically controlling or changing at least one of a voltage and a current of a predetermined, electrical component such that an electrical power, which is at least one of provided or delivered to the predetermined component and consumed by the predetermined component, is at least one of:
• (i) identical or substantially similar to a predetermined, chosen or preset value of power;
• and (ii) constant or substantially constant, thereby reducing, minimizing or eliminating power decay within the predetermined component;
• receiving or determining at least one of the electrical power at least one of consumed by and delivered or provided to the predetermined component and a value proportional to the electrical power by multiplying and obtaining a product of at least two signals, wherein:
• a first signal of the at least two signals at least one of represents and is proportional to the voltage of the predetermined component and a second signal of the at least two signals at least one of represents and is proportional to the current of the predetermined component;
• comparing at least one of the determined electrical power and the determined multiplication product representing the at least one of consumed and delivered electrical power with the predetermined, chosen or preset value of electrical power;
• and
• adjusting, maintaining, creating or producing at least one of the voltage and current of the predetermined component based on at least one of the at least two signals, the multiplication product and the predetermined, chosen or preset value of electrical power such that the electrical power that is at least one of delivered to and consumed by the predetermined component is at least one of:
• identical or substantially similar to the predetermined, chosen or preset value of electrical power;
• and constant or substantially constant, wherein at least one of:
• (i) the predetermined, electrical component has a resistance that operates to change over time, thereby requiring the dynamic control or change of at least one of the voltage and the current of the predetermined component to provide or deliver constant or substantially constant power;
• (ii) the voltage of the predetermined, electrical component operates to be dynamic, varied or changed in response to the changing resistance of the predetermined, electrical component;
• (iii) the voltage of the predetermined, electrical component is varied or changed using the equation V=square root (“sqrt”) of the product of power and resistance (P*R), where V is voltage, P is the predetermined, chosen or preset value of electrical power and R is the varying or changing resistance of the predetermined, electrical component;
• (iv) the current of the predetermined, electrical component operates to be dynamic, varied or changed in response to the changing resistance of the predetermined, electrical component;
• (v) the current of the predetermined, electrical component is varied or changed using the equation I=sqrt (P/R), where I is current, P is the predetermined, chosen or preset value of electrical power and R is the varying or changing resistance of the predetermined, electrical component;
• (vi) the dynamically controlling or changing step further comprises changing only the voltage of the predetermined, electrical component while keeping the current of the predetermined, electrical component constant in response to the changing resistance of the predetermined, electrical component;
• (vii) the dynamically controlling or changing step further comprises changing only the current of the predetermined, electrical component while keeping the voltage of the predetermined, electrical component constant in response to the changing resistance of the predetermined, electrical component;
• (viii) the dynamically controlling or changing step further comprises changing a combination of the voltage of the predetermined, electrical component and the current of the predetermined, electrical component in response to the changing resistance of the predetermined, electrical component;
• (ix) the resistance of the predetermined, electrical component changes as a function of the amount of time that the predetermined, electrical component is used or operated;
• (x) the predetermined, electrical component comprises at least one of:
• a broadband thermal infrared source, a radiation source, an infrared source, a broadband light source, a light source that radiates on a broadband wavelength, a light source or device for producing a light beam, a thermal source, and a device for producing a radiation beam;
• and
• (xi) the electrical power that is at least one of delivered to and consumed by the predetermined, electrical component originates from a power source.