Power supply, and apparatus and method for operating a power supply
First Claim
1. A method, adapted for implementation by signal processing activity, of testing a power supply adapted for use in equipment in a broadband communications network, the power supply configured to accept a battery power source and an external power source, the method comprising:
- at a first periodic time, detecting a first electrical signal associated with the battery power source;
based on the first electrical signal, determining whether the battery power source is present;
based on whether the battery power source is present, at a second periodic time, detecting a second electrical signal associated with the battery power source;
based on the second electrical signal, determining whether the battery power source is charged;
based on whether the battery power source is present and charged, at a third periodic time, detecting a third electrical signal associated with the external power source;
based on the third electrical signal, determining whether the battery power source is being used; and
displaying, in an order of priority, one of whether the battery power source is present, charged and being used.
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0 Petitions
Accused Products
Abstract
A power supply is configured to accept battery and external power sources, and is adapted for use in equipment in a broadband communications network. The power supply includes a first voltage detector adapted to detect a first voltage signal at an electrical path associated with the battery power source; a second voltage detector adapted to detect a second voltage signal at an electrical path associated with the external power source; a processor responsive to the first voltage detector and the second voltage detector, adapted to receive the first voltage signal and the second voltage signal and generate an electrical signal indicating whether the battery power source is present, charged and being used based on the first voltage signal and the second voltage signal; and a light emitting diode responsive to the processor, adapted to receive the electrical signal and, based on the electrical signal, display, in an order of priority, one of a plurality of states, which indicates whether the battery power source is present, charged or being used.
57 Citations
20 Claims
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1. A method, adapted for implementation by signal processing activity, of testing a power supply adapted for use in equipment in a broadband communications network, the power supply configured to accept a battery power source and an external power source, the method comprising:
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at a first periodic time, detecting a first electrical signal associated with the battery power source;
based on the first electrical signal, determining whether the battery power source is present;
based on whether the battery power source is present, at a second periodic time, detecting a second electrical signal associated with the battery power source;
based on the second electrical signal, determining whether the battery power source is charged;
based on whether the battery power source is present and charged, at a third periodic time, detecting a third electrical signal associated with the external power source;
based on the third electrical signal, determining whether the battery power source is being used; and
displaying, in an order of priority, one of whether the battery power source is present, charged and being used. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A power supply adapted for use in equipment in a broadband communications network, the power supply configured to accept a battery power source and an external power source, comprising:
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a first voltage detector adapted to detect a first voltage signal at an electrical path associated with the battery power source;
a second voltage detector adapted to detect a second voltage signal at an electrical path associated with the external power source;
a processor responsive to the first voltage detector and the second voltage detector, adapted to receive the first voltage signal and the second voltage signal and generate an electrical signal indicating whether the battery power source is present, charged and being used based on the first voltage signal and the second voltage signal; and
a light emitting diode responsive to the processor, adapted to receive the electrical signal and, based on the electrical signal, display, in an order of priority, one of a plurality of states indicating one of whether the battery power source is present, charged and being used. - View Dependent Claims (18, 19)
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20. A multimedia terminal adapter providing voice-over-internet-protocol services in a broadband cable network, configured to accept a battery power source and an external power source, comprising:
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means for detecting a first voltage signal at an electrical path associated with the battery power source;
means for detecting a second voltage signal at an electrical path associated with the external power source;
means, responsive to the means for detecting the first voltage signal and the means for detecting the second voltage signal, for receiving and processing the first voltage signal and the second voltage signal;
means, responsive to the means for detecting, for generating an electrical signal indicating one of whether the battery power source is present, charged and being used based on the first voltage signal and the second voltage signal; and
means for receiving the electrical signal and displaying, in an order of priority, one of whether the battery power source is present, charged and being used.
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Specification