FR2292238A1 - Appareil de comptage numerique de frequence - Google Patents
Appareil de comptage numerique de frequenceInfo
- Publication number
- FR2292238A1 FR2292238A1 FR7535290A FR7535290A FR2292238A1 FR 2292238 A1 FR2292238 A1 FR 2292238A1 FR 7535290 A FR7535290 A FR 7535290A FR 7535290 A FR7535290 A FR 7535290A FR 2292238 A1 FR2292238 A1 FR 2292238A1
- Authority
- FR
- France
- Prior art keywords
- digital frequency
- frequency metering
- metering
- digital
- frequency
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB50453/74A GB1525570A (en) | 1974-11-21 | 1974-11-21 | Apparatus for generating a digital count proportional to an input frequency |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2292238A1 true FR2292238A1 (fr) | 1976-06-18 |
| FR2292238B1 FR2292238B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-08-07 |
Family
ID=10455947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7535290A Granted FR2292238A1 (fr) | 1974-11-21 | 1975-11-19 | Appareil de comptage numerique de frequence |
Country Status (6)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5366309A (en) * | 1976-11-26 | 1978-06-13 | Nec Corp | Digital type tone signal detector |
| US4107600A (en) * | 1976-12-13 | 1978-08-15 | General Electric Company | Adaptive frequency to digital converter system |
| US4449055A (en) * | 1977-08-19 | 1984-05-15 | Greer Richard H | Circuit breaker control device |
| US4146836A (en) * | 1977-08-22 | 1979-03-27 | Barber-Colman Company | Power monitor |
| US4139819A (en) * | 1977-12-01 | 1979-02-13 | Worley Eugene R | Multifunction frequency counter |
| US4456832A (en) * | 1979-01-08 | 1984-06-26 | Southern California Edison Company | Circuit breaker control device |
| DE2920734A1 (de) * | 1979-05-22 | 1980-12-04 | Endress Hauser Gmbh Co | Verfahren und anordnung zur auswertung von messignalen |
| US4301405A (en) * | 1979-10-24 | 1981-11-17 | Cardiac Pacemakers, Inc. | Interval-to-rate converter |
| US4456876A (en) * | 1982-06-14 | 1984-06-26 | At&T Technologies, Inc. | Frequency counter |
| US4587482A (en) * | 1983-08-02 | 1986-05-06 | Mitsubishi Denki Kabushiki Kaisha | Digital frequency meter for measuring radiation |
| US4541105A (en) * | 1984-03-23 | 1985-09-10 | Sundstrand Data Control, Inc. | Counting apparatus and method for frequency sampling |
| JPS62280679A (ja) * | 1986-05-30 | 1987-12-05 | Fuji Electric Co Ltd | 計時装置 |
| US4872155A (en) * | 1987-03-13 | 1989-10-03 | Pioneer Electronic Corporation | Clock generator circuit and a synchronizing signal detection method in a sampled format system and a phase comparator circuit suited for generation of the clock |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE379862B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-02-07 | 1975-10-20 | Asea Ab |
-
1974
- 1974-11-21 GB GB50453/74A patent/GB1525570A/en not_active Expired
-
1975
- 1975-11-14 US US05/632,001 patent/US4020418A/en not_active Expired - Lifetime
- 1975-11-19 FR FR7535290A patent/FR2292238A1/fr active Granted
- 1975-11-19 DE DE19752551830 patent/DE2551830A1/de not_active Withdrawn
- 1975-11-19 IT IT29422/75A patent/IT1049498B/it active
- 1975-11-21 JP JP50139356A patent/JPS5182674A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1525570A (en) | 1978-09-20 |
| FR2292238B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-08-07 |
| DE2551830A1 (de) | 1976-05-26 |
| US4020418A (en) | 1977-04-26 |
| IT1049498B (it) | 1981-01-20 |
| JPS5182674A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-07-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |