DK20575A - - Google Patents
Info
- Publication number
- DK20575A DK20575A DK20575*BA DK20575A DK20575A DK 20575 A DK20575 A DK 20575A DK 20575 A DK20575 A DK 20575A DK 20575 A DK20575 A DK 20575A
- Authority
- DK
- Denmark
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
- H02P7/288—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 variable impedance
- H02P7/2885—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 variable impedance whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
-
- 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
- Y10S388/922—Tuned or resonant circuit
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7401099A NL7401099A (nl) | 1974-01-26 | 1974-01-26 | Schakeling voor het konstant houden van het toerental van een gelijkstroommotor. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK20575A true DK20575A (xx) | 1975-09-15 |
Family
ID=19820626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK20575*BA DK20575A (xx) | 1974-01-26 | 1975-01-23 |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US3944901A (xx) |
| JP (1) | JPS50104320A (xx) |
| AT (1) | AT338939B (xx) |
| BE (1) | BE824770A (xx) |
| BR (1) | BR7500467A (xx) |
| CA (1) | CA1024585A (xx) |
| CH (1) | CH581922A5 (xx) |
| DE (1) | DE2501961A1 (xx) |
| DK (1) | DK20575A (xx) |
| ES (1) | ES434108A1 (xx) |
| FR (1) | FR2259478A1 (xx) |
| GB (1) | GB1486735A (xx) |
| IT (1) | IT1026444B (xx) |
| NL (1) | NL7401099A (xx) |
| NO (1) | NO141773C (xx) |
| SE (1) | SE7500694L (xx) |
| ZA (1) | ZA75326B (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058094A (en) * | 1975-06-30 | 1977-11-15 | Franklin Eldridge Moore | Speed control device |
| US4303873A (en) * | 1980-06-27 | 1981-12-01 | Honeywell Inc. | Reset windup limiting |
| DE3772594D1 (de) * | 1986-02-11 | 1991-10-10 | Studer Revox Ag | Verfahren und vorrichtung zur regelung der drehzahl eines elektromotors im vierquadrantenbetrieb. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2809339A (en) * | 1955-05-06 | 1957-10-08 | Westinghouse Electric Corp | Motor control circuit |
| US3233163A (en) * | 1963-02-23 | 1966-02-01 | Mishima Matsuo | Plural speed tachometer-generator speed control system |
| US3665276A (en) * | 1969-03-06 | 1972-05-23 | Mitsubishi Heavy Ind Ltd | Speed controller for prime mover |
| US3599063A (en) * | 1969-08-21 | 1971-08-10 | Yaskawa Denki Seisakusho Kk | Speed control system for d.c. motor |
-
1974
- 1974-01-26 NL NL7401099A patent/NL7401099A/xx not_active Application Discontinuation
- 1974-05-02 US US05/466,221 patent/US3944901A/en not_active Expired - Lifetime
-
1975
- 1975-01-16 ZA ZA00750326A patent/ZA75326B/xx unknown
- 1975-01-18 DE DE19752501961 patent/DE2501961A1/de active Pending
- 1975-01-23 AT AT49575A patent/AT338939B/de not_active IP Right Cessation
- 1975-01-23 DK DK20575*BA patent/DK20575A/da unknown
- 1975-01-23 BR BR467/75A patent/BR7500467A/pt unknown
- 1975-01-23 IT IT47816/75A patent/IT1026444B/it active
- 1975-01-23 SE SE7500694A patent/SE7500694L/xx unknown
- 1975-01-23 NO NO750207A patent/NO141773C/no unknown
- 1975-01-23 CH CH77975A patent/CH581922A5/xx not_active IP Right Cessation
- 1975-01-23 GB GB2971/75A patent/GB1486735A/en not_active Expired
- 1975-01-24 ES ES434108A patent/ES434108A1/es not_active Expired
- 1975-01-24 BE BE152703A patent/BE824770A/xx unknown
- 1975-01-25 JP JP50010918A patent/JPS50104320A/ja active Pending
- 1975-01-27 FR FR7502415A patent/FR2259478A1/fr not_active Withdrawn
- 1975-01-27 CA CA218,690A patent/CA1024585A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE824770A (fr) | 1975-07-24 |
| NO141773C (no) | 1980-05-14 |
| ES434108A1 (es) | 1976-12-01 |
| JPS50104320A (xx) | 1975-08-18 |
| CH581922A5 (xx) | 1976-11-15 |
| ZA75326B (en) | 1976-08-25 |
| BR7500467A (pt) | 1975-11-04 |
| US3944901A (en) | 1976-03-16 |
| NO141773B (no) | 1980-01-28 |
| FR2259478A1 (xx) | 1975-08-22 |
| NO750207L (xx) | 1975-08-25 |
| NL7401099A (nl) | 1975-07-29 |
| AT338939B (de) | 1977-09-26 |
| IT1026444B (it) | 1978-09-20 |
| GB1486735A (en) | 1977-09-21 |
| ATA49575A (de) | 1977-01-15 |
| DE2501961A1 (de) | 1975-07-31 |
| SE7500694L (xx) | 1975-07-28 |
| CA1024585A (en) | 1978-01-17 |
| AU7746675A (en) | 1976-07-22 |