FR2422957A1 - Circuit a transducteur pour la mesure de la vitesse de rotation d'un arbre ou autre element rotatif - Google Patents
Circuit a transducteur pour la mesure de la vitesse de rotation d'un arbre ou autre element rotatifInfo
- Publication number
- FR2422957A1 FR2422957A1 FR7909367A FR7909367A FR2422957A1 FR 2422957 A1 FR2422957 A1 FR 2422957A1 FR 7909367 A FR7909367 A FR 7909367A FR 7909367 A FR7909367 A FR 7909367A FR 2422957 A1 FR2422957 A1 FR 2422957A1
- Authority
- FR
- France
- Prior art keywords
- bit counter
- bit
- rotary element
- transducer
- measuring
- 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
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/489—Digital circuits therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Control Of Velocity Or Acceleration (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Ce circuit comprend une horloge à fréquence constante, un compteur à n bits connecté pour compter les signaux émis par le transducteur, un compteur à m bits connecté pour compter les impulsions émises par l'horloge, un circuit de verrouillage connecté au tranducteur et au compteur à m bits de manière à être chargé avec le nombre compté par le compteur à m bits chaque fois que le transducteur produit l'un desdits signaux, et un circuit de sortie connecté au compteur à n bits, au circuit de verrouillage et au compteur à m bits et agencé pour être chargé avec un code à n + m bits en provenance du compteur à n bits et du circuit de verrouillage chaque fois que le compteur à m bits dépasse sa capacit, les codes successifs à n + m bits représentant la vitesse de rotation de l'élément rotatif aux instants successifs de dépassement de la capacité du compteur à m bits.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1450778 | 1978-04-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2422957A1 true FR2422957A1 (fr) | 1979-11-09 |
| FR2422957B1 FR2422957B1 (fr) | 1983-05-13 |
Family
ID=10042456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7909367A Granted FR2422957A1 (fr) | 1978-04-13 | 1979-04-12 | Circuit a transducteur pour la mesure de la vitesse de rotation d'un arbre ou autre element rotatif |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4245322A (fr) |
| JP (1) | JPS5952379B2 (fr) |
| DE (1) | DE2914727A1 (fr) |
| FR (1) | FR2422957A1 (fr) |
| SU (1) | SU1153845A3 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3018496A1 (de) * | 1980-05-14 | 1981-11-19 | Walter Dipl.-Ing. Dr.-Ing. 8012 Ottobrunn Mehnert | Verfahren und vorrichtung zur messung eines winkels |
| US4365306A (en) * | 1980-06-30 | 1982-12-21 | Conoco Inc. | Method and apparatus for remotely monitoring and evaluating pile driving hammers |
| US4442532A (en) * | 1981-05-19 | 1984-04-10 | Matsushita Electric Industrial Co., Ltd. | Encoder output pulse detection using two stage shift register and clock oscillator |
| IL124932A0 (en) | 1998-06-16 | 1999-01-26 | Mea Motor Inspection Ltd | Method and apparatus for testing rotating machines |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3757167A (en) * | 1971-06-15 | 1973-09-04 | Toyota Motor Co Ltd | Revolutions measuring instrument |
| FR2224756A1 (fr) * | 1973-04-03 | 1974-10-31 | Lucas Electrical Co Ltd | |
| FR2248514A1 (fr) * | 1973-10-23 | 1975-05-16 | Teldix Gmbh | |
| FR2248511A1 (fr) * | 1973-10-17 | 1975-05-16 | Sopromi Soc Proc Modern Inject |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3748533A (en) * | 1972-01-31 | 1973-07-24 | Beta Eng Syst Corp | Digital tachometer |
| US4000465A (en) * | 1974-05-04 | 1976-12-28 | Shimpo Kogyo Kabushiki Kaisha | Digital tachometer |
| US3962567A (en) * | 1975-01-13 | 1976-06-08 | Trw Inc. | Digital display apparatus having jitter correction |
| DE2616972B2 (de) * | 1976-04-17 | 1979-01-11 | Wabco Westinghouse Gmbh, 3000 Hannover | Verfahren und Schaltungsanordnung zur digitalen Messung der Periodendauer eines umlaufenden Bauteiles, beispielsweise eines Fahrzeugrades |
| US4083052A (en) * | 1976-06-16 | 1978-04-04 | Sangamo Electric Company | Electronic tachograph |
| DE2635004B2 (de) * | 1976-08-04 | 1978-09-28 | Wabco Westinghouse Gmbh, 3000 Hannover | Verfahren und Schaltungsanordnung zur digitalen Messung der Rotationsgeschwindigkeit |
| US4152645A (en) * | 1977-05-26 | 1979-05-01 | Acurex Corporation | Method and apparatus for producing an analogue output proportional to rotational speed employing digital to analogue conversion |
-
1979
- 1979-03-23 US US06/023,279 patent/US4245322A/en not_active Expired - Lifetime
- 1979-04-10 JP JP54042620A patent/JPS5952379B2/ja not_active Expired
- 1979-04-11 DE DE19792914727 patent/DE2914727A1/de not_active Withdrawn
- 1979-04-12 FR FR7909367A patent/FR2422957A1/fr active Granted
- 1979-04-12 SU SU792752655A patent/SU1153845A3/ru active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3757167A (en) * | 1971-06-15 | 1973-09-04 | Toyota Motor Co Ltd | Revolutions measuring instrument |
| FR2224756A1 (fr) * | 1973-04-03 | 1974-10-31 | Lucas Electrical Co Ltd | |
| FR2248511A1 (fr) * | 1973-10-17 | 1975-05-16 | Sopromi Soc Proc Modern Inject | |
| FR2248514A1 (fr) * | 1973-10-23 | 1975-05-16 | Teldix Gmbh |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2422957B1 (fr) | 1983-05-13 |
| DE2914727A1 (de) | 1979-10-31 |
| JPS5952379B2 (ja) | 1984-12-19 |
| JPS54137383A (en) | 1979-10-25 |
| US4245322A (en) | 1981-01-13 |
| SU1153845A3 (ru) | 1985-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |