FR1559368A - - Google Patents
Info
- Publication number
- FR1559368A FR1559368A FR1559368DA FR1559368A FR 1559368 A FR1559368 A FR 1559368A FR 1559368D A FR1559368D A FR 1559368DA FR 1559368 A FR1559368 A FR 1559368A
- 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
-
- 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
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
- H02P7/29—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
- H02P7/2913—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Multiple Motors (AREA)
- Control Of Stepping Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63299867A | 1967-04-24 | 1967-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1559368A true FR1559368A (fr) | 1969-03-07 |
Family
ID=24537859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1559368D Expired FR1559368A (fr) | 1967-04-24 | 1968-03-21 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3493834A (fr) |
BE (1) | BE713079A (fr) |
ES (1) | ES352123A1 (fr) |
FR (1) | FR1559368A (fr) |
NL (1) | NL6805331A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5541116B2 (fr) * | 1972-07-31 | 1980-10-22 | ||
JPS5542596B2 (fr) * | 1972-08-14 | 1980-10-31 | ||
US4105935A (en) * | 1975-10-22 | 1978-08-08 | Matsushita Electric Industrial Co., Ltd. | Motor speed control apparatus |
GB1533597A (en) * | 1976-03-18 | 1978-11-29 | Plessey Co Ltd | Frequency-comparing devices |
US4307324A (en) * | 1980-03-25 | 1981-12-22 | Fairchild Camera And Instrument Corp. | Phase locked loop motor speed control |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3176208A (en) * | 1962-07-02 | 1965-03-30 | North American Aviation Inc | Phase locking control device |
US3331006A (en) * | 1964-03-13 | 1967-07-11 | Cutler Hammer Inc | Digital speed and position regulating motor control system |
-
1967
- 1967-04-24 US US632998A patent/US3493834A/en not_active Expired - Lifetime
-
1968
- 1968-03-21 FR FR1559368D patent/FR1559368A/fr not_active Expired
- 1968-03-29 ES ES352123A patent/ES352123A1/es not_active Expired
- 1968-04-01 BE BE713079D patent/BE713079A/xx unknown
- 1968-04-16 NL NL6805331A patent/NL6805331A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ES352123A1 (es) | 1969-07-01 |
US3493834A (en) | 1970-02-03 |
NL6805331A (fr) | 1968-10-25 |
BE713079A (fr) | 1968-08-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |