IN152817B - - Google Patents
Info
- Publication number
- IN152817B IN152817B IN287/CAL/80A IN287CA1980A IN152817B IN 152817 B IN152817 B IN 152817B IN 287CA1980 A IN287CA1980 A IN 287CA1980A IN 152817 B IN152817 B IN 152817B
- Authority
- IN
- India
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
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/06—Rotor flux based control involving the use of rotor position or rotor speed sensors
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/22—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating trigonometric functions; for conversion of co-ordinates; for computations involving vector quantities
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Inverter Devices (AREA)
- Control Of Ac Motors In General (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Feedback Control In General (AREA)
- Steroid Compounds (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Manipulation Of Pulses (AREA)
- Pulse Circuits (AREA)
- Details Of Television Scanning (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792919786 DE2919786A1 (de) | 1979-05-16 | 1979-05-16 | Pulsbreiten-mehrfachmultiplizierer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN152817B true IN152817B (fi) | 1984-04-14 |
Family
ID=6070886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN287/CAL/80A IN152817B (fi) | 1979-05-16 | 1980-03-13 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4335444A (fi) |
| EP (1) | EP0019139B1 (fi) |
| JP (1) | JPS55153071A (fi) |
| AT (1) | ATE3340T1 (fi) |
| CA (1) | CA1150368A (fi) |
| DE (2) | DE2919786A1 (fi) |
| DK (1) | DK210080A (fi) |
| FI (1) | FI70334C (fi) |
| IN (1) | IN152817B (fi) |
| NO (1) | NO151724C (fi) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3139136A1 (de) * | 1981-10-01 | 1983-04-14 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung zum bestimmen der frequenz elektrischer wechselgroessen, insbesondere einer drehfeldmaschine |
| JPS6423607A (en) * | 1987-07-17 | 1989-01-26 | Otis Elevator Japan | Multiphase multiplier circuit |
| JPH0374064U (fi) * | 1989-11-20 | 1991-07-25 | ||
| US6237017B1 (en) * | 1996-04-25 | 2001-05-22 | Texas Instruments India Limited | Lossy technique for image and speech processing |
| CN101632225B (zh) * | 2007-01-25 | 2012-12-19 | Rgb系统公司 | 用于产生具有低音频频段噪声成分的三角波形的方法及设备 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2880935A (en) * | 1954-09-27 | 1959-04-07 | Gilfillan Bros Inc | Means for electronic multiplication |
| US2927734A (en) * | 1954-12-30 | 1960-03-08 | Rca Corp | Computing system for electronic resolver |
| DE1170685B (de) * | 1960-05-21 | 1964-05-21 | Telefunken Patent | Elektronische Anordnung zur Analog-Division |
| US3473011A (en) * | 1965-07-12 | 1969-10-14 | Gen Electric | Electronic analog resolver |
| DE1239507B (de) * | 1965-10-14 | 1967-04-27 | Siemens Ag | Verfahren und Einrichtung zur Bildung eines Signals, dessen Mittelwert dem Quotienten aus einem ersten und einem zweiten analogen Signal multipliziert mit einem dritten analogen Signal proportional ist |
| US3466460A (en) * | 1967-01-20 | 1969-09-09 | Weston Instruments Inc | Time division multiplier |
| US3536904A (en) * | 1968-09-23 | 1970-10-27 | Gen Electric | Four-quadrant pulse width multiplier |
| CA930867A (en) * | 1968-10-09 | 1973-07-24 | Canadian Marconi Company | Pythagoreas adder or solid state resolver |
| US3569688A (en) * | 1968-12-24 | 1971-03-09 | Audn Corp | A multiplier in which a capacitor is charged at a rate proportional to the product of two analogue inputs |
| CH539980A (de) * | 1971-09-09 | 1973-07-31 | Siemens Ag | Einrichtung zur Erzeugung zweier amplitudenstabilisierter, um 90º elektrisch gegeneinander versetzter, sinusförmiger und frequenzvariabler Wechselspannungen |
| FR2271616A1 (en) * | 1974-05-14 | 1975-12-12 | Decca Ltd | Orthogonal resolver with pulse generator - has conditioning, summing and forming circuits and feedback to generator |
| DE2816614C2 (de) * | 1978-04-17 | 1980-02-21 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Koordinatenwandler zur Umwandlung von polaren Vektorgrößen in kartesische Vektorgrößen |
-
1979
- 1979-05-16 DE DE19792919786 patent/DE2919786A1/de not_active Withdrawn
-
1980
- 1980-03-13 IN IN287/CAL/80A patent/IN152817B/en unknown
- 1980-04-18 FI FI801247A patent/FI70334C/fi not_active IP Right Cessation
- 1980-04-28 EP EP80102302A patent/EP0019139B1/de not_active Expired
- 1980-04-28 AT AT80102302T patent/ATE3340T1/de not_active IP Right Cessation
- 1980-04-28 DE DE8080102302T patent/DE3063056D1/de not_active Expired
- 1980-05-09 US US06/148,141 patent/US4335444A/en not_active Expired - Lifetime
- 1980-05-14 NO NO801454A patent/NO151724C/no unknown
- 1980-05-14 DK DK210080A patent/DK210080A/da not_active Application Discontinuation
- 1980-05-15 JP JP6466880A patent/JPS55153071A/ja active Pending
- 1980-05-15 CA CA000352010A patent/CA1150368A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3063056D1 (de) | 1983-06-16 |
| FI801247A7 (fi) | 1980-11-17 |
| CA1150368A (en) | 1983-07-19 |
| FI70334C (fi) | 1986-09-15 |
| NO151724B (no) | 1985-02-11 |
| DK210080A (da) | 1980-11-17 |
| US4335444A (en) | 1982-06-15 |
| EP0019139A1 (de) | 1980-11-26 |
| NO151724C (no) | 1985-05-22 |
| DE2919786A1 (de) | 1980-11-27 |
| FI70334B (fi) | 1986-02-28 |
| NO801454L (no) | 1980-11-17 |
| ATE3340T1 (de) | 1983-05-15 |
| EP0019139B1 (de) | 1983-05-11 |
| JPS55153071A (en) | 1980-11-28 |