FR2111800B1 - - Google Patents
Info
- Publication number
- FR2111800B1 FR2111800B1 FR7138169A FR7138169A FR2111800B1 FR 2111800 B1 FR2111800 B1 FR 2111800B1 FR 7138169 A FR7138169 A FR 7138169A FR 7138169 A FR7138169 A FR 7138169A FR 2111800 B1 FR2111800 B1 FR 2111800B1
- Authority
- FR
- France
- 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.)
- Expired
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
- G01P3/486—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 delivered by photo-electric detectors
-
- 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
- G01P3/4802—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/16—Controlling the angular speed of one shaft
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S388/00—Electricity: motor control systems
- Y10S388/90—Specific system operational feature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S388/00—Electricity: motor control systems
- Y10S388/90—Specific system operational feature
- Y10S388/901—Sample and hold
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S388/00—Electricity: motor control systems
- Y10S388/907—Specific control circuit element or device
- Y10S388/921—Timer or time delay means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S388/00—Electricity: motor control systems
- Y10S388/923—Specific feedback condition or device
- Y10S388/933—Radiant energy responsive device
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Photographic Processing Devices Using Wet Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5049870A GB1361597A (en) | 1970-10-23 | 1970-10-23 | Method and device for controlling the speed of a member |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2111800A1 FR2111800A1 (fr) | 1972-06-09 |
FR2111800B1 true FR2111800B1 (fr) | 1976-03-26 |
Family
ID=10456126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7138169A Expired FR2111800B1 (fr) | 1970-10-23 | 1971-10-22 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3777233A (fr) |
BE (1) | BE774377A (fr) |
CA (1) | CA952179A (fr) |
DE (1) | DE2152648A1 (fr) |
FR (1) | FR2111800B1 (fr) |
GB (1) | GB1361597A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3921047A (en) * | 1973-04-02 | 1975-11-18 | Beckman Instruments Inc | Overspeed protection system for centrifuge apparatus |
DE2915815A1 (de) * | 1979-04-19 | 1980-11-06 | Bauknecht Gmbh G | Vorrichtung zum erfassen der drehzahl und der unwucht eines in einem gehaeuse schwingend gelagerten aggregates |
SU1053247A1 (ru) * | 1980-11-05 | 1983-11-07 | Предприятие П/Я В-2962 | Устройство дл стабилизации частоты вращени электродвигател (его варианты) |
US4496936A (en) * | 1982-06-04 | 1985-01-29 | Atari, Inc. | Digital-analog conversion for shaft encoders |
JPS60167688A (ja) * | 1984-01-26 | 1985-08-31 | Canon Inc | 回転位相制御回路 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2794945A (en) * | 1954-10-28 | 1957-06-04 | Rca Corp | Motor control system |
US3436655A (en) * | 1966-04-20 | 1969-04-01 | Collins Radio Co | Rotation measuring device for very slowly rotating shaft |
US3586949A (en) * | 1968-05-23 | 1971-06-22 | Pratt And Whitney Inc | Three-phase dc motor control system |
US3581176A (en) * | 1968-08-19 | 1971-05-25 | Ampex | System for driving electric motors |
US3582699A (en) * | 1969-06-12 | 1971-06-01 | Damon Eng Inc | Overspeed control for centrifuge |
US3685909A (en) * | 1969-12-10 | 1972-08-22 | Larry L Schwartz | Clubhead velocity meter |
-
1970
- 1970-10-23 GB GB5049870A patent/GB1361597A/en not_active Expired
-
1971
- 1971-10-22 FR FR7138169A patent/FR2111800B1/fr not_active Expired
- 1971-10-22 CA CA125,877A patent/CA952179A/en not_active Expired
- 1971-10-22 DE DE19712152648 patent/DE2152648A1/de active Pending
- 1971-10-22 US US00191850A patent/US3777233A/en not_active Expired - Lifetime
- 1971-10-22 BE BE774377A patent/BE774377A/nl unknown
Also Published As
Publication number | Publication date |
---|---|
FR2111800A1 (fr) | 1972-06-09 |
US3777233A (en) | 1973-12-04 |
DE2152648A1 (de) | 1972-05-04 |
CA952179A (en) | 1974-07-30 |
BE774377A (nl) | 1972-04-24 |
GB1361597A (en) | 1974-07-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |