Power supply configured to detect a power source
First Claim
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1. A power supply including a connector engaged with a receptacle of a power source, the power supply comprising:
- a sensor configured to sense one or more characteristics of the power source;
and a microprocessor coupled to the sensor, wherein the microprocessor receives an input from the sensor indicative of the sensed one or more characteristic and the microprocessor is configured to determine a type of power source to which the connector is engaged in response to the received input.
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Abstract
Described herein is a power supply that is able to detect that the power supply is coupled to an in-seat power source of an aircraft, for example, and limit the available output power, thereby reducing the possibility of the in-seat power supply turning off. Thus, those electronic devices that include power management systems can adjust to the reduced available power by turning off unused devices or processes, such as battery charging, or reducing a processor power.
50 Citations
16 Claims
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1. A power supply including a connector engaged with a receptacle of a power source, the power supply comprising:
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a sensor configured to sense one or more characteristics of the power source;
and a microprocessor coupled to the sensor, wherein the microprocessor receives an input from the sensor indicative of the sensed one or more characteristic and the microprocessor is configured to determine a type of power source to which the connector is engaged in response to the received input. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of adjusting a power level of a power supply, the method comprising:
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sensing one or more characteristics of a power source;
determining a power level of the power supply in response to the sensed one or more characteristic; and
limiting the power level of the power supply to the determined power level. - View Dependent Claims (11, 12, 13, 14)
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15. A system for adjusting a power level of a power supply, the system comprising:
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means for sensing one or more characteristics of a power source;
means for determining a power level of the power supply in response to the sensed one or more characteristic; and
means for limiting the power level of the power supply to the determined power level.
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16. A connector configured to engage with a receptacle of a power source, the connector comprising:
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a sensor configured to sense one or more characteristics of the power source;
and one or more output terminals coupled to a microprocessor, wherein the one or more terminals each transmit an electrical signal indicative of the sensed one or more characteristics and the microprocessor is configured to determine a type of power source to which the connector is engaged based on the one or more transmitted electrical signals.
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Specification