BE875583A - Convertisseur de coordonnees - Google Patents
Convertisseur de coordonneesInfo
- Publication number
- BE875583A BE875583A BE0/194603A BE194608A BE875583A BE 875583 A BE875583 A BE 875583A BE 0/194603 A BE0/194603 A BE 0/194603A BE 194608 A BE194608 A BE 194608A BE 875583 A BE875583 A BE 875583A
- Authority
- BE
- Belgium
- Prior art keywords
- coordinate converter
- coordinate
- converter
- Prior art date
Links
Classifications
-
- 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
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Computer Hardware Design (AREA)
- Algebra (AREA)
- Feedback Control In General (AREA)
- Complex Calculations (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Analogue/Digital Conversion (AREA)
- Control Of Ac Motors In General (AREA)
- Manipulator (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2816661A DE2816661C3 (de) | 1978-04-17 | 1978-04-17 | Koordinatenwandler zur Umwandlung von kartesischen VektorgröBen in polare Vektorgrößen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE875583A true BE875583A (fr) | 1979-07-31 |
Family
ID=6037217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE0/194603A BE875583A (fr) | 1978-04-17 | 1979-04-13 | Convertisseur de coordonnees |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4306296A (fr) |
| JP (1) | JPS6022392B2 (fr) |
| AT (1) | AT380578B (fr) |
| BE (1) | BE875583A (fr) |
| CH (1) | CH651682A5 (fr) |
| DE (1) | DE2816661C3 (fr) |
| DK (1) | DK155779A (fr) |
| FR (1) | FR2423826B1 (fr) |
| GB (1) | GB2019067B (fr) |
| IN (1) | IN151402B (fr) |
| IT (1) | IT1113858B (fr) |
| LU (1) | LU81152A1 (fr) |
| NL (1) | NL7902936A (fr) |
| SE (1) | SE441550B (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4500972A (en) * | 1979-10-05 | 1985-02-19 | Dr.-Ing. Rudolf Hell Gmbh | Apparatus for converting digital chrominance signals of a cartesian color coordinate system into digital color signals and saturation signals of a polar color coordinate system and a transformation circuit |
| DE3346291A1 (de) * | 1983-12-21 | 1985-07-04 | Siemens Ag | Verfahren und vorrichtung zum schnellen ermitteln einer netzsynchronen referenzspannung fuer einen netzgefuehrten stromrichter nach einer netzstoerung |
| US4736436A (en) * | 1984-04-13 | 1988-04-05 | Fujitsu Limited | Information extraction by mapping |
| US6064388A (en) * | 1997-11-10 | 2000-05-16 | Cognex Corporation | Cartesian to polar coordinate transformation |
| US6320609B1 (en) | 1998-07-10 | 2001-11-20 | Nanometrics Incorporated | System using a polar coordinate stage and continuous image rotation to compensate for stage rotation |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2763430A (en) * | 1945-12-11 | 1956-09-18 | John W Gray | Rectangular to polar coordinate converter |
| US2634909A (en) * | 1950-03-31 | 1953-04-14 | Rca Corp | Computing device |
| US2927734A (en) * | 1954-12-30 | 1960-03-08 | Rca Corp | Computing system for electronic resolver |
| US2996251A (en) * | 1955-10-12 | 1961-08-15 | Gen Precision Inc | Computer |
| US3371199A (en) * | 1963-11-07 | 1968-02-27 | Leeds & Northrup Co | Polar coordinate converter |
| DE2012781C3 (de) * | 1970-03-18 | 1974-05-09 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Einrichtung zur Erfassung von Bestimmungsgrößen eines ebenen Vektors |
| CH539980A (de) * | 1971-09-09 | 1973-07-31 | Siemens Ag | Einrichtung zur Erzeugung zweier amplitudenstabilisierter, um 90º elektrisch gegeneinander versetzter, sinusförmiger und frequenzvariabler Wechselspannungen |
| US3737639A (en) * | 1972-05-17 | 1973-06-05 | J Fletcher | Derivation of a tangent function using an integrated circuit four-quadrant multiplier |
-
1978
- 1978-04-17 DE DE2816661A patent/DE2816661C3/de not_active Expired
-
1979
- 1979-01-04 CH CH45/79A patent/CH651682A5/de not_active IP Right Cessation
- 1979-02-15 IN IN142/CAL/79A patent/IN151402B/en unknown
- 1979-02-28 FR FR7905291A patent/FR2423826B1/fr not_active Expired
- 1979-03-21 US US06/022,483 patent/US4306296A/en not_active Expired - Lifetime
- 1979-04-10 SE SE7903182A patent/SE441550B/sv not_active IP Right Cessation
- 1979-04-11 IT IT21762/79A patent/IT1113858B/it active
- 1979-04-12 NL NL7902936A patent/NL7902936A/xx not_active Application Discontinuation
- 1979-04-12 GB GB7913099A patent/GB2019067B/en not_active Expired
- 1979-04-13 LU LU81152A patent/LU81152A1/de unknown
- 1979-04-13 BE BE0/194603A patent/BE875583A/fr not_active IP Right Cessation
- 1979-04-13 AT AT0279779A patent/AT380578B/de not_active IP Right Cessation
- 1979-04-17 DK DK155779A patent/DK155779A/da not_active IP Right Cessation
- 1979-04-17 JP JP54047132A patent/JPS6022392B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2019067A (en) | 1979-10-24 |
| NL7902936A (nl) | 1979-10-19 |
| ATA279779A (de) | 1985-10-15 |
| DE2816661B2 (de) | 1980-02-21 |
| IT7921762A0 (it) | 1979-04-11 |
| CH651682A5 (de) | 1985-09-30 |
| JPS54140440A (en) | 1979-10-31 |
| JPS6022392B2 (ja) | 1985-06-01 |
| FR2423826B1 (fr) | 1986-03-21 |
| FR2423826A1 (fr) | 1979-11-16 |
| DE2816661C3 (de) | 1980-10-23 |
| IT1113858B (it) | 1986-01-27 |
| DE2816661A1 (de) | 1979-10-18 |
| AT380578B (de) | 1986-06-10 |
| US4306296A (en) | 1981-12-15 |
| SE7903182L (sv) | 1979-10-18 |
| DK155779A (da) | 1979-10-18 |
| IN151402B (fr) | 1983-04-09 |
| LU81152A1 (de) | 1979-06-19 |
| SE441550B (sv) | 1985-10-14 |
| GB2019067B (en) | 1982-10-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: SIEMENS A.G. Effective date: 19890430 |