NL7013830A - - Google Patents
Info
- Publication number
- NL7013830A NL7013830A NL7013830A NL7013830A NL7013830A NL 7013830 A NL7013830 A NL 7013830A NL 7013830 A NL7013830 A NL 7013830A NL 7013830 A NL7013830 A NL 7013830A NL 7013830 A NL7013830 A NL 7013830A
- Authority
- NL
- Netherlands
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
- H02P7/291—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 with on-off control between two set points, e.g. controlling by hysteresis
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- 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
- Y10S388/915—Sawtooth or ramp waveform generator
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Direct Current Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7442869 | 1969-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7013830A true NL7013830A (da) | 1971-03-23 |
Family
ID=13546913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7013830A NL7013830A (da) | 1969-09-19 | 1970-09-18 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3657624A (da) |
| AU (1) | AU2017070A (da) |
| CA (1) | CA924379A (da) |
| DE (1) | DE2046309A1 (da) |
| NL (1) | NL7013830A (da) |
| ZA (1) | ZA706394B (da) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT306173B (de) * | 1971-07-08 | 1973-03-26 | Philips Nv | Schaltungsanordnung zum In-Phase-Bringen eines Servo-Antriebes für ein rotierendes System |
| US3915365A (en) * | 1972-12-26 | 1975-10-28 | Motorola Inc | Cartridge tape player drive system |
| US4105935A (en) * | 1975-10-22 | 1978-08-08 | Matsushita Electric Industrial Co., Ltd. | Motor speed control apparatus |
| US4149117A (en) * | 1977-03-17 | 1979-04-10 | Ampex Corporation | Circuit and method for servo speed control |
| US4211964A (en) * | 1978-01-31 | 1980-07-08 | Matsushita Electric Industrial Co., Ltd. | Speed control circuit |
| JPS58119789A (ja) * | 1982-01-06 | 1983-07-16 | Hitachi Ltd | モ−タ制御装置 |
| US4995094A (en) * | 1985-07-19 | 1991-02-19 | Omron Tateisi Electronics Co. | DC motor control circuit providing variable speed operation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3409814A (en) * | 1965-03-17 | 1968-11-05 | Fujitsu Ltd | Variable pulse system for controlling dc motor speed by variation of supplied current |
| US3486100A (en) * | 1965-09-29 | 1969-12-23 | Bendix Corp | Pulse width modulator network |
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1970
- 1970-09-18 NL NL7013830A patent/NL7013830A/xx unknown
- 1970-09-18 CA CA093520A patent/CA924379A/en not_active Expired
- 1970-09-18 ZA ZA706394A patent/ZA706394B/xx unknown
- 1970-09-19 DE DE19702046309 patent/DE2046309A1/de active Pending
- 1970-09-21 AU AU20170/70A patent/AU2017070A/en not_active Expired
- 1970-09-21 US US73816A patent/US3657624A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3657624A (en) | 1972-04-18 |
| DE2046309A1 (de) | 1971-04-15 |
| CA924379A (en) | 1973-04-10 |
| ZA706394B (en) | 1971-05-27 |
| AU2017070A (en) | 1972-03-23 |