FR2260895B1 - - Google Patents
Info
- Publication number
- FR2260895B1 FR2260895B1 FR7504896A FR7504896A FR2260895B1 FR 2260895 B1 FR2260895 B1 FR 2260895B1 FR 7504896 A FR7504896 A FR 7504896A FR 7504896 A FR7504896 A FR 7504896A FR 2260895 B1 FR2260895 B1 FR 2260895B1
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C11/00—Synchronisation of independently-driven clocks
- G04C11/08—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction
- G04C11/081—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet
- G04C11/084—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet acting on the balance
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G3/00—Producing timing pulses
- G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
-
- 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
- H02P23/22—Controlling the speed digitally using a reference oscillator, a speed proportional pulse rate feedback and a digital comparator
-
- 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
- Y10S388/912—Pulse or frequency counter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Stepping Motors (AREA)
- Control Of Electric Motors In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH199074A CH588111B5 (US20050065096A1-20050324-C00034.png) | 1974-02-13 | 1974-02-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2260895A1 FR2260895A1 (US20050065096A1-20050324-C00034.png) | 1975-09-05 |
| FR2260895B1 true FR2260895B1 (US20050065096A1-20050324-C00034.png) | 1977-04-15 |
Family
ID=4223327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7504896A Expired FR2260895B1 (US20050065096A1-20050324-C00034.png) | 1974-02-13 | 1975-02-11 |
Country Status (6)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55501033A (US20050065096A1-20050324-C00034.png) * | 1978-11-20 | 1980-11-27 | ||
| DE2937838C2 (de) * | 1979-09-19 | 1986-08-28 | Braun Ag, 6000 Frankfurt | Verfahren und Anordnung zur Regelung von Drehzahl und Phasenlage bei Synchronmotoren |
| US4573175A (en) * | 1983-09-12 | 1986-02-25 | Case Communications Inc. | Variable digital frequency generator with value storage |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3096483A (en) * | 1961-04-06 | 1963-07-02 | Bendix Corp | Frequency divider system with preset means to select countdown cycle |
| GB1274498A (en) * | 1968-08-19 | 1972-05-17 | Teijin Ltd | Automatic control and automatic controller |
| US3694716A (en) * | 1970-08-14 | 1972-09-26 | Singer General Precision | Gyromotor synchronization system |
| US3646417A (en) * | 1971-03-25 | 1972-02-29 | Ibm | Digital speed servomechanism |
-
1974
- 1974-02-13 CH CH199074D patent/CH199074A4/xx unknown
- 1974-02-13 CH CH199074A patent/CH588111B5/xx not_active IP Right Cessation
-
1975
- 1975-02-04 US US05/546,889 patent/US4007408A/en not_active Expired - Lifetime
- 1975-02-04 DE DE19752504478 patent/DE2504478A1/de not_active Withdrawn
- 1975-02-07 GB GB5434/75A patent/GB1489465A/en not_active Expired
- 1975-02-11 FR FR7504896A patent/FR2260895B1/fr not_active Expired
- 1975-02-12 JP JP50016980A patent/JPS50113716A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2260895A1 (US20050065096A1-20050324-C00034.png) | 1975-09-05 |
| CH199074A4 (US20050065096A1-20050324-C00034.png) | 1976-11-30 |
| GB1489465A (en) | 1977-10-19 |
| DE2504478A1 (de) | 1975-08-14 |
| US4007408A (en) | 1977-02-08 |
| JPS50113716A (US20050065096A1-20050324-C00034.png) | 1975-09-06 |
| CH588111B5 (US20050065096A1-20050324-C00034.png) | 1977-05-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |