GB201617771D0 - Threshold transition detector, rms measurement and filter - Google Patents
Threshold transition detector, rms measurement and filterInfo
- Publication number
- GB201617771D0 GB201617771D0 GBGB1617771.9A GB201617771A GB201617771D0 GB 201617771 D0 GB201617771 D0 GB 201617771D0 GB 201617771 A GB201617771 A GB 201617771A GB 201617771 D0 GB201617771 D0 GB 201617771D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- filter
- transition detector
- threshold transition
- rms measurement
- rms
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16528—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values using digital techniques or performing arithmetic operations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
- G01R13/0218—Circuits therefor
- G01R13/0254—Circuits therefor for triggering, synchronisation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
- G01R13/0218—Circuits therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/175—Indicating the instants of passage of current or voltage through a given value, e.g. passage through zero
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
- G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/02—Measuring effective values, i.e. root-mean-square values
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1617771.9A GB2540687B (en) | 2014-07-30 | 2014-07-30 | Digital filter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1518820.4A GB2534000B (en) | 2014-07-30 | 2014-07-30 | Digital filter |
GB1617771.9A GB2540687B (en) | 2014-07-30 | 2014-07-30 | Digital filter |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201617771D0 true GB201617771D0 (en) | 2016-12-07 |
GB2540687A GB2540687A (en) | 2017-01-25 |
GB2540687B GB2540687B (en) | 2017-09-13 |
Family
ID=57614574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1617771.9A Active GB2540687B (en) | 2014-07-30 | 2014-07-30 | Digital filter |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2540687B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110414619A (en) * | 2019-08-05 | 2019-11-05 | 重庆工商职业学院 | One kind being based on EMG signal recognition methods |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6755431B1 (en) | 2017-08-24 | 2020-09-16 | シグニファイ ホールディング ビー ヴィSignify Holding B.V. | Retrofit LED lighting device with improved timing event detection to improve stable driver operation without light flicker |
CN109116107A (en) * | 2018-08-21 | 2019-01-01 | 山东中创软件商用中间件股份有限公司 | A kind of digital frequency meter |
CN110376425B (en) * | 2019-06-26 | 2021-09-14 | 杭州电子科技大学 | Three-phase input signal zero detection circuit |
GB2603110B (en) * | 2021-01-06 | 2023-09-27 | Cloudfm Integrated Services Ltd | Monitoring electrical parameters |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3638001A (en) * | 1970-03-04 | 1972-01-25 | Hewlett Packard Co | Method and apparatus for averaging the digital display for a fluctuating digital measurement and improving the resolution of the measurement |
US8056044B2 (en) * | 2008-10-21 | 2011-11-08 | Atmel Corporation | Signal processing |
-
2014
- 2014-07-30 GB GB1617771.9A patent/GB2540687B/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110414619A (en) * | 2019-08-05 | 2019-11-05 | 重庆工商职业学院 | One kind being based on EMG signal recognition methods |
CN110414619B (en) * | 2019-08-05 | 2023-04-07 | 重庆工商职业学院 | EMG signal identification method |
Also Published As
Publication number | Publication date |
---|---|
GB2540687A (en) | 2017-01-25 |
GB2540687B (en) | 2017-09-13 |
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