FI70334C - Pulsbreddmultiplikator - Google Patents
Pulsbreddmultiplikator Download PDFInfo
- Publication number
- FI70334C FI70334C FI801247A FI801247A FI70334C FI 70334 C FI70334 C FI 70334C FI 801247 A FI801247 A FI 801247A FI 801247 A FI801247 A FI 801247A FI 70334 C FI70334 C FI 70334C
- Authority
- FI
- Finland
- Prior art keywords
- input
- voltage
- factors
- inverter
- voltages
- Prior art date
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; CALCULATING OR 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)
- Control Of Ac Motors In General (AREA)
- Inverter Devices (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Feedback Control In General (AREA)
- Details Of Television Scanning (AREA)
- Spectrometry And Color Measurement (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Steroid Compounds (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Manipulation Of Pulses (AREA)
- Pulse Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2919786 | 1979-05-16 | ||
DE19792919786 DE2919786A1 (de) | 1979-05-16 | 1979-05-16 | Pulsbreiten-mehrfachmultiplizierer |
Publications (3)
Publication Number | Publication Date |
---|---|
FI801247A FI801247A (fi) | 1980-11-17 |
FI70334B FI70334B (fi) | 1986-02-28 |
FI70334C true FI70334C (fi) | 1986-09-15 |
Family
ID=6070886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI801247A FI70334C (fi) | 1979-05-16 | 1980-04-18 | Pulsbreddmultiplikator |
Country Status (10)
Country | Link |
---|---|
US (1) | US4335444A (ja) |
EP (1) | EP0019139B1 (ja) |
JP (1) | JPS55153071A (ja) |
AT (1) | ATE3340T1 (ja) |
CA (1) | CA1150368A (ja) |
DE (2) | DE2919786A1 (ja) |
DK (1) | DK210080A (ja) |
FI (1) | FI70334C (ja) |
IN (1) | IN152817B (ja) |
NO (1) | NO151724C (ja) |
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 (ja) * | 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 DE DE8080102302T patent/DE3063056D1/de not_active Expired
- 1980-04-28 AT AT80102302T patent/ATE3340T1/de not_active IP Right Cessation
- 1980-05-09 US US06/148,141 patent/US4335444A/en not_active Expired - Lifetime
- 1980-05-14 DK DK210080A patent/DK210080A/da not_active Application Discontinuation
- 1980-05-14 NO NO801454A patent/NO151724C/no unknown
- 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 |
---|---|
ATE3340T1 (de) | 1983-05-15 |
CA1150368A (en) | 1983-07-19 |
EP0019139B1 (de) | 1983-05-11 |
FI801247A (fi) | 1980-11-17 |
DK210080A (da) | 1980-11-17 |
EP0019139A1 (de) | 1980-11-26 |
NO151724C (no) | 1985-05-22 |
FI70334B (fi) | 1986-02-28 |
US4335444A (en) | 1982-06-15 |
DE2919786A1 (de) | 1980-11-27 |
NO801454L (no) | 1980-11-17 |
NO151724B (no) | 1985-02-11 |
IN152817B (ja) | 1984-04-14 |
DE3063056D1 (de) | 1983-06-16 |
JPS55153071A (en) | 1980-11-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: SIEMENS AKTIENGESELLSCHAFT |