FR2237198A1 - Motor shaft speed and acceleration measuring device - light pulses are modified electronically after conversion - Google Patents
Motor shaft speed and acceleration measuring device - light pulses are modified electronically after conversionInfo
- Publication number
- FR2237198A1 FR2237198A1 FR7312436A FR7312436A FR2237198A1 FR 2237198 A1 FR2237198 A1 FR 2237198A1 FR 7312436 A FR7312436 A FR 7312436A FR 7312436 A FR7312436 A FR 7312436A FR 2237198 A1 FR2237198 A1 FR 2237198A1
- Authority
- FR
- France
- Prior art keywords
- conversion
- measuring device
- motor shaft
- light pulses
- register
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/16—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by evaluating the time-derivative of a measured speed signal
- G01P15/165—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by evaluating the time-derivative of a measured speed signal for measuring angular accelerations
-
- 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)
- Optical Transform (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7312436A FR2237198A1 (en) | 1973-04-06 | 1973-04-06 | Motor shaft speed and acceleration measuring device - light pulses are modified electronically after conversion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7312436A FR2237198A1 (en) | 1973-04-06 | 1973-04-06 | Motor shaft speed and acceleration measuring device - light pulses are modified electronically after conversion |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2237198A1 true FR2237198A1 (en) | 1975-02-07 |
FR2237198B1 FR2237198B1 (fr) | 1976-04-23 |
Family
ID=9117526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7312436A Granted FR2237198A1 (en) | 1973-04-06 | 1973-04-06 | Motor shaft speed and acceleration measuring device - light pulses are modified electronically after conversion |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2237198A1 (fr) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB661201A (en) * | 1949-01-28 | 1951-11-21 | Vickers Electrical Co Ltd | Improvements relating to equipment for measuring the speed of rotation of rotating apparatus |
-
1973
- 1973-04-06 FR FR7312436A patent/FR2237198A1/fr active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB661201A (en) * | 1949-01-28 | 1951-11-21 | Vickers Electrical Co Ltd | Improvements relating to equipment for measuring the speed of rotation of rotating apparatus |
Also Published As
Publication number | Publication date |
---|---|
FR2237198B1 (fr) | 1976-04-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licenses | ||
ST | Notification of lapse |