AU2297288A - Apparatus for determining the frequency of a sampled, symmetrical signal - Google Patents
Apparatus for determining the frequency of a sampled, symmetrical signalInfo
- Publication number
- AU2297288A AU2297288A AU22972/88A AU2297288A AU2297288A AU 2297288 A AU2297288 A AU 2297288A AU 22972/88 A AU22972/88 A AU 22972/88A AU 2297288 A AU2297288 A AU 2297288A AU 2297288 A AU2297288 A AU 2297288A
- Authority
- AU
- Australia
- Prior art keywords
- sampled
- frequency
- determining
- symmetrical signal
- symmetrical
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Manipulation Of Pulses (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3733110 | 1987-09-30 | ||
DE3733110 | 1987-09-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2297288A true AU2297288A (en) | 1989-04-20 |
AU591614B2 AU591614B2 (en) | 1989-12-07 |
Family
ID=6337335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU22972/88A Ceased AU591614B2 (en) | 1987-09-30 | 1988-09-29 | Apparatus for determining the frequency of a sampled, symmetrical signal |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0309921B1 (en) |
AR (1) | AR241336A1 (en) |
AT (1) | ATE55189T1 (en) |
AU (1) | AU591614B2 (en) |
BR (1) | BR8804973A (en) |
DE (1) | DE3860385D1 (en) |
NO (1) | NO175228C (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2695730B1 (en) * | 1992-09-08 | 1995-11-17 | Aerometrics Inc | METHOD AND APPARATUS FOR PROCESSING AN IMPROVED DIGITAL SIGNAL USING A FOURIER TRANSFORM. |
FR2775789B1 (en) | 1998-03-09 | 2001-10-12 | Sgs Thomson Microelectronics | DIGITAL TEST OF PERIODIC SIGNAL |
CN112816913A (en) * | 2021-01-28 | 2021-05-18 | 厦门拓宝科技有限公司 | Method and device for rapidly detecting power failure of single-phase alternating voltage signal, storage medium, program product and terminal equipment |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE790277A (en) * | 1971-10-29 | 1973-04-19 | Cit Alcatel | SPEECH DETECTOR FOR TELEPHONE TRACK CONCENTRATOR |
JPS558120A (en) * | 1978-06-30 | 1980-01-21 | Nec Corp | Tone detection device |
CA1144986A (en) * | 1980-08-20 | 1983-04-19 | Canadian General Electric Company Limited | Frequency determining apparatus |
CA1184604A (en) * | 1983-01-06 | 1985-03-26 | Bohuslav Pavlik | Continuous variable frequency measurement apparatus |
-
1988
- 1988-06-07 AR AR88311040A patent/AR241336A1/en active
- 1988-09-22 DE DE8888115590T patent/DE3860385D1/en not_active Expired - Fee Related
- 1988-09-22 AT AT88115590T patent/ATE55189T1/en active
- 1988-09-22 EP EP88115590A patent/EP0309921B1/en not_active Expired - Lifetime
- 1988-09-27 BR BR8804973A patent/BR8804973A/en not_active IP Right Cessation
- 1988-09-29 AU AU22972/88A patent/AU591614B2/en not_active Ceased
- 1988-09-30 NO NO884349A patent/NO175228C/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP0309921B1 (en) | 1990-08-01 |
NO884349L (en) | 1989-03-31 |
BR8804973A (en) | 1989-05-02 |
EP0309921A1 (en) | 1989-04-05 |
ATE55189T1 (en) | 1990-08-15 |
NO175228C (en) | 1994-09-14 |
NO884349D0 (en) | 1988-09-30 |
AR241336A1 (en) | 1992-05-29 |
NO175228B (en) | 1994-06-06 |
DE3860385D1 (en) | 1990-09-06 |
AU591614B2 (en) | 1989-12-07 |
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