US6124790A
Expired / Lapsed
US
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System and method for filtering an alarm
Assignee: Nokia of America Corp
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Filing: 1998-11-20
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Granted: 2000-09-26
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Expires: 2018-11-20
Abstract
Abstract A method for filtering an alarm can be broadly summarized by the following steps: The state of an alarm is read or determined over time, which creates a pattern of state transitions for the alarm. The pattern of state transitions for the alarm are integrated to produce a second alarm having a second pattern of state transitions. State transitions for the second alarm are controlled by using a pair of hysteresis threshold values to filter out redundant alarm state transitions that do not convey useful or necessary fault information.
Inventors
- 👤 Maxim A. Golov
- 👤 Kirill R. Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:44
CPC Classifications
H; H04; H04L; H04L41/00; H04L41/06; H04L41/0604
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
184 words
A method for filtering a first alarm having a first plurality of states, wherein said first alarm is in a state of said first plurality of states, comprising the steps of: repeatedly determining said state of said first alarm to form a first pattern of state transitions for said first alarm; and integrating said first pattern of state transitions to produce a second pattern of state transitions for a second alarm, said second alarm having a second plurality of states, said integrating step comprising the step of: using a pair of hysteresis threshold values for controlling transitions between said second plurality of states; adjusting an integration value based on said first alarm state; comparing said integration value with said pair of hysteresis threshold values; and defining a first range of values for said integration value such that said adjusting step is limited to values within said first range, wherein said first range of values includes said pair of hysteresis threshold values, and wherein a second range of values defined by said pair or hysteresis threshold values is smaller than said first range of values.
Claim 2
Independent Claim
184 words
A method for filtering a first alarm having a first plurality of states, wherein said first alarm is in a state of said first plurality of states, comprising the steps of: repeatedly determining said state of said first alarm to form a first pattern of state transitions for said first alarm; and integrating said first pattern of state transitions to produce a second pattern of state transitions for a second alarm, said second alarm having a second plurality of states, said integrating step comprising the step of: using a pair of hysteresis threshold values for controlling transitions between said second plurality of states; adjusting an integration value based on said first alarm state; comparing said integration value with said pair of hysteresis threshold values; and defining a first range of values for said integration value such that said adjusting step is limited to values within said first range, wherein said first range of values includes said pair of hysteresis threshold values, and wherein a second range of values defined by said pair or hysteresis threshold values is smaller than said first range of values.
Claim 3
Dependent Claim
43 words
The method of claim 1, wherein said adjusting step further comprises the steps of: incrementing said integration value by a first amount based upon said first alarm state; and decrementing said integration value by a second amount based upon said first alarm state.
Claim 4
Dependent Claim
47 words
The method of claim 1, wherein a first said threshold value controls transitions in said second alarm from a first said state to a second said state and a second said threshold value controls transitions in said second alarm from said second state to said first state.
Claim 5
Dependent Claim
35 words
The method of claim 1, wherein said integrating step further comprises the steps of: defining a plurality of time intervals; and repeating said determining and said adjusting steps upon expiration of each said time interval.
Claim 6
Independent Claim
143 words
A method for filtering a first alarm having a first plurality of states to produce a second alarm having a second plurality of states, wherein said first alarm is in a state of said first plurality of states, comprising the steps of: determining said state of said first alarm; adjusting an integration value based on said first alarm state; comparing said integration value with a pair of hysteresis threshold values; defining a first range of values for said integration value such that said adjusting step is limited to values within said first range, wherein said first range of values includes said pair of hysteresis threshold values, and wherein a second range of values defined by said pair of hysteresis threshold values is smaller than said first range of values; and updating said second alarm state according to the results of said comparing step.
Claim 7
Independent Claim
143 words
A method for filtering a first alarm having a first plurality of states to produce a second alarm having a second plurality of states, wherein said first alarm is in a state of said first plurality of states, comprising the steps of: determining said state of said first alarm; adjusting an integration value based on said first alarm state; comparing said integration value with a pair of hysteresis threshold values; defining a first range of values for said integration value such that said adjusting step is limited to values within said first range, wherein said first range of values includes said pair of hysteresis threshold values, and wherein a second range of values defined by said pair of hysteresis threshold values is smaller than said first range of values; and updating said second alarm state according to the results of said comparing step.
Claim 8
Dependent Claim
43 words
The method of claim 5, wherein said adjusting step further comprises the steps of: incrementing said integration value by a first amount based upon said first alarm state; and decrementing said integration value by a second amount based upon said first alarm state.
Claim 9
Dependent Claim
71 words
The method of claim 5, wherein said comparing step comprises: comparing said integration variable with a first said threshold value for determining whether to cause a transition in said second alarm from a first said state to a second said state; and comparing said integration variable with a second said threshold value for determining whether to cause a transition in said second alarm from said second state to said first state.
Claim 10
Dependent Claim
185 words
An alarm management system, comprising: a processor; a storage medium in communication with said processor; said storage medium having program code for filtering a first alarm having a first plurality of states, wherein said first alarm is in a state of said first plurality of states, said program code comprising: first code segment to repeatedly determine said state of said first alarm to form a first pattern of state transitions for said first alarm; and second code segment to intergrate said first pattern of state transitions to produce a second pattern of state transitions for a second alarm, said second alarm having a second plurality of states, said second code segment including a third code segment for using a pair of hysteresis threshold values to control transitions between said second plurality of states; and a fourth code segment to define a first range of values for said integration value, wherein said first range of values includes said pair of hysteresis threshold values, and wherein a second range of values defined by said pair of hysteresis threshold values is smaller than said first range of values.
Claim 11
Dependent Claim
185 words
An alarm management system, comprising: a processor; a storage medium in communication with said processor; said storage medium having program code for filtering a first alarm having a first plurality of states, wherein said first alarm is in a state of said first plurality of states, said program code comprising: first code segment to repeatedly determine said state of said first alarm to form a first pattern of state transitions for said first alarm; and second code segment to intergrate said first pattern of state transitions to produce a second pattern of state transitions for a second alarm, said second alarm having a second plurality of states, said second code segment including a third code segment for using a pair of hysteresis threshold values to control transitions between said second plurality of states; and a fourth code segment to define a first range of values for said integration value, wherein said first range of values includes said pair of hysteresis threshold values, and wherein a second range of values defined by said pair of hysteresis threshold values is smaller than said first range of values.
Claim 12
Dependent Claim
44 words
The system of claim 8, wherein said second code segment further comprises: a fifth code segment for adjusting an integration value based on said first alarm state; and a sixth code segment for comparing said integration value with said pair of hysteresis threshold values.
Claim 13
Dependent Claim
47 words
The system of claim 9, wherein a first said threshold value controls transitions in said second alarm from a first said state to a second said state and a second said threshold value controls transitions in said second alarm from said second state to said first state.
Claim 14
Dependent Claim
51 words
The system of claim 9, wherein said fifth code segment further includes: a seventh code segment for incrementing said integration value by a first amount based upon said first alarm state; and an eighth code segment for decrementing said integration value by a second amount based upon said first alarm state.
Claim 15
Dependent Claim
172 words
A computer readable medium having a program for filtering a first alarm having a first plurality of states, wherein said first alarm is in a state of said first plurality of states, comprising: a first code segment to repeatedly determine said state of said first alarm to form a first pattern of state transitions for said first alarm; and a second code segment to integrate said first pattern of state transitions to produce a second pattern of state transitions for a second alarm, said second alarm having a second plurality of states, said second code segment to integrate comprising: a third code segment to use a pair of hysteresis threshold values for controlling transitions between said second plurality of states; and a fourth code segment to define a first range of values for said integration value, wherein said first range of values includes said pair of hysteresis threshold values, and wherein a second range of values defined by said pair of hysteresis threshold values is smaller than said first range of values.
Claim 16
Dependent Claim
172 words
A computer readable medium having a program for filtering a first alarm having a first plurality of states, wherein said first alarm is in a state of said first plurality of states, comprising: a first code segment to repeatedly determine said state of said first alarm to form a first pattern of state transitions for said first alarm; and a second code segment to integrate said first pattern of state transitions to produce a second pattern of state transitions for a second alarm, said second alarm having a second plurality of states, said second code segment to integrate comprising: a third code segment to use a pair of hysteresis threshold values for controlling transitions between said second plurality of states; and a fourth code segment to define a first range of values for said integration value, wherein said first range of values includes said pair of hysteresis threshold values, and wherein a second range of values defined by said pair of hysteresis threshold values is smaller than said first range of values.
Claim 17
Dependent Claim
48 words
The computer readable medium of claim 12, wherein said second code segment to integrate further comprises: a fifth code segment to adjust an integration value based on said first alarm state; and a sixth code segment to compare said integration value with said pair of hysteresis threshold values.
Claim 18
Dependent Claim
53 words
The computer readable medium of claim 13, wherein said fifth code segment further includes: a seventh code segment for incrementing said integration value by a first amount based upon said first alarm state; and an eighth code segment for decrementing said integration value by a second amount based upon said first alarm state.
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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) | 2003-09-26 | 2004-03-27 | 2004-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-09-26 | 2008-03-27 | 2008-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-09-26 | 2012-03-27 | 2012-09-26 | $7700.00 | Window Closed / Lapsed |