Power supply
First Claim
1. A power supply for a load that demands an average load current and a peak load current that is higher than the average load current, the power supply including:
- input terminals for connecting with a power source that supplies a source current that is less than a predetermined current limit, wherein the predetermined current limit is less than the peak load current;
output terminals for electrically connecting with the input terminals and the load; and
a supercapacitor device in parallel with the output terminals for allowing the load to be supplied to the peak load current while substantially maintaining the source current at less than about the predetermined current limit.
3 Assignments
0 Petitions
Accused Products
Abstract
A power supply (1) for a load in the form of a PCMCIA card (2) has and onboard GPRS class (10) module (not shown). The module, and therefore card (2), demands a load current iload that has an average value over time and periodic instantaneous peak values (ipeak) that are significantly higher than the average value. Power supply (1) includes a pair of input terminals (3) for connecting with a power source in the form of a regulated power supply (4) that is contained within a personal computer (not shown). Supply (4) supplies a source current iinput that is less than a predetermines current limit specified for the supply and which is less than the peak load current. A pair of output terminals (5) is electrically connected with terminals (3) and card (2). A supercapacitor device in the form of a single supercapacitor (6) is in parallel with terminals (3, 5) for allowing the load to be supplied the peak load current while maintaining the source current at less than the predetermined current limit.
68 Citations
32 Claims
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1. A power supply for a load that demands an average load current and a peak load current that is higher than the average load current, the power supply including:
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input terminals for connecting with a power source that supplies a source current that is less than a predetermined current limit, wherein the predetermined current limit is less than the peak load current;
output terminals for electrically connecting with the input terminals and the load; and
a supercapacitor device in parallel with the output terminals for allowing the load to be supplied to the peak load current while substantially maintaining the source current at less than about the predetermined current limit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19-29. -29. (canceled)
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30. A communications card for a computer, the computer having a power source that provides a source current for the card that is less than a predetermined current limit, the card including:
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a substrate for supporting a plurality of electrical components that collectively define a load that demands a peak load current that is greater than the predetermined current limit and an average load current that is less than the peak load current;
input terminals for connecting with the power source;
output terminals for electrically connecting with the input terminals and the load; and
a supercapacitor device in parallel with the output terminals for allowing the load to be supplied to the peak load current while substantially limiting the source current to less than about the predetermined current limit.
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31. A computing device including:
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a communications card for allowing the computer to communicate with other computing devices wherein, in use, the card demands a peak load current and an average load current that is less than the peak load current;
a power source for supplying a source current to the card, the power source having a predetermined current limit that is less than the peak load current;
input terminals for electrically connecting with the power source;
output terminals for electrically connecting with the input terminals and the card; and
a supercapacitor device in parallel with the output terminals for allowing the card to be supplied to the peak load current while substantially limiting the source current to less than about the predetermined current limit.
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32. (canceled)
Specification