US5448155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulated power supply using multiple load sensing
Assignee: Power One Inc
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Filing: 1994-11-28
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Granted: 1995-09-05
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Expires: 2014-11-28
Abstract
Abstract A regulated power source for supplying power to a circuit, the power source including a regulated power converter generating an output voltage for the circuit, the converter including a control terminal through which the output voltage can be regulated by feedback from the circuit; a monitoring circuit including a plurality of input terminals each of which monitors a voltage at a different location on the circuit, the monitoring circuit producing a control signal that is a function of all of the monitored voltages at the plurality of input terminals, the control signal driving the control terminal of the regulated power converter so as to regulate the output voltage to maintain the control signal at a constant value.
Inventors
- 👤 Mark A. Jutras
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:54
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56; G05F1/565
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
129 words
A regulated power source for supplying power to an external circuit, said power source comprising: a regulated power converter generating an output voltage for said external circuit, said converter including a control terminal through which the output voltage can be regulated by feedback from the external circuit; a monitoring circuit including a plurality of input terminal pairs each of which monitors a different voltage across a different two locations in said external circuit, said monitoring circuit producing a control signal that is a function of all of the different voltages monitored by said plurality of input terminal pairs, said control signal driving the control terminal of the regulated power converter, wherein said power converter regulates the output voltage so as to maintain said control signal at a constant value.
Claim 2
Dependent Claim
129 words
A regulated power source for supplying power to an external circuit, said power source comprising: a regulated power converter generating an output voltage for said external circuit, said converter including a control terminal through which the output voltage can be regulated by feedback from the external circuit; a monitoring circuit including a plurality of input terminal pairs each of which monitors a different voltage across a different two locations in said external circuit, said monitoring circuit producing a control signal that is a function of all of the different voltages monitored by said plurality of input terminal pairs, said control signal driving the control terminal of the regulated power converter, wherein said power converter regulates the output voltage so as to maintain said control signal at a constant value.
Claim 3
Dependent Claim
53 words
The regulated power source of claim 1 wherein said control signal is function of the monitored voltages having the following form: ##EQU6## where N is the number of said plurality of input terminal pairs, K i is a positive number and V i is the monitored voltage across the ith input terminal pair.
Claim 4
Dependent Claim
14 words
The power source of claim 2 wherein the K i 's are all equal.
Claim 5
Dependent Claim
16 words
The power source of claim 3 wherein the K i 's are all equal to one.
Claim 6
Dependent Claim
25 words
The power source of claim 2 wherein at least some of the K i 's have different values from other of the K i 's.
Claim 7
Dependent Claim
104 words
The regulated power source of claim 1 wherein said monitoring circuit comprises: a plurality of sensing circuits each of which receives the sensed voltage from a different one of said plurality of input terminal pairs and generates an output signal that is proportional to the sensed voltage at the input terminal pair for that sensing circuit; and an averaging circuit generating the control signal that is equal to: ##EQU7## where N is the number of said plurality of sensing circuits, K i is a positive number and V si is the sensed voltage at the input terminal pair of the i th sensing circuit.
Claim 8
Dependent Claim
14 words
The power source of claim 6 wherein the K i 's are all equal.
Claim 9
Dependent Claim
16 words
The power source of claim 7 wherein the K i 's are all equal to one.
Claim 10
Dependent Claim
25 words
The power source of claim 6 wherein at least some of the K i 's have different values from other of the K i 's.
Claim 11
Dependent Claim
18 words
The power source of claim 6 wherein each of said plurality of sensing circuits comprises a differential amplifier.
Claim 12
Dependent Claim
19 words
The power source of claim 10 wherein the differential amplifier of each of said sensing circuits employs negative feedback.
Claim 13
Dependent Claim
14 words
The power source of claim 1 wherein the power supply is a DC-to-DC converter.
Claim 14
Independent Claim
81 words
A method for regulating an output voltage supplied by a power supply to an external circuit, said method comprising: sensing a plurality of voltage differences, each of said plurality of sensed voltage differences being sensed at different locations in said external circuit; generating a feedback signal that is a function of all of the plurality of sensed voltage differences; and using the feedback signal to regulate the output voltage of said power supply so as to maintain a constant feedback signal.
Claim 15
Independent Claim
81 words
A method for regulating an output voltage supplied by a power supply to an external circuit, said method comprising: sensing a plurality of voltage differences, each of said plurality of sensed voltage differences being sensed at different locations in said external circuit; generating a feedback signal that is a function of all of the plurality of sensed voltage differences; and using the feedback signal to regulate the output voltage of said power supply so as to maintain a constant feedback signal.
Claim 16
Dependent Claim
51 words
The method of claim 13 wherein said feedback signal is function of the plurality of sensed voltage differences having the following form: ##EQU8## where N is the number of said plurality of sensed voltage differences, the K i 's are positive numbers, and V i is the ith sensed voltage difference.
Claim 17
Dependent Claim
13 words
The method of claim 14 wherein the K i 's are all equal.
Claim 18
Dependent Claim
15 words
The method of claim 15 wherein the K i 's are all equal to one.
Claim 19
Dependent Claim
24 words
The method of claim 15 wherein at least some of the K i 's have different values from other of the K i 's.
Claim 20
Dependent Claim
134 words
A regulated power source for supplying power to an external circuit, said power source comprising: a regulated power converter generating an output voltage for said external circuit, said converter including a control terminal through which the output voltage can be regulated by feedback from the external circuit; a monitoring circuit including a plurality of input lines each of which monitors a different voltage at a different location on said external circuit, said plurality of input lines being greater than two, said monitoring circuit producing a control signal that is a function of all of the monitored voltages at the plurality of input lines, said control signal driving the control terminal of the regulated power converter, wherein said power converter regulates the output voltage so as to maintain said control signal at a constant value.
Claim 21
Dependent Claim
134 words
A regulated power source for supplying power to an external circuit, said power source comprising: a regulated power converter generating an output voltage for said external circuit, said converter including a control terminal through which the output voltage can be regulated by feedback from the external circuit; a monitoring circuit including a plurality of input lines each of which monitors a different voltage at a different location on said external circuit, said plurality of input lines being greater than two, said monitoring circuit producing a control signal that is a function of all of the monitored voltages at the plurality of input lines, said control signal driving the control terminal of the regulated power converter, wherein said power converter regulates the output voltage so as to maintain said control signal at a constant value.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-09-04 | 1999-03-06 | 1999-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-09-04 | 2003-03-06 | 2003-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-09-04 | 2007-03-06 | 2007-09-05 | $7700.00 | Window Closed / Lapsed |