NL228926A - - Google Patents
Info
- Publication number
- NL228926A NL228926A NL228926DA NL228926A NL 228926 A NL228926 A NL 228926A NL 228926D A NL228926D A NL 228926DA NL 228926 A NL228926 A NL 228926A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/18—Networks for phase shifting
-
- 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)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Algebra (AREA)
- Networks Using Active Elements (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL228926 | 1958-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL228926A true NL228926A (fr) |
Family
ID=19751261
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL113659D NL113659C (fr) | 1958-06-23 | ||
| NL228926D NL228926A (fr) | 1958-06-23 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL113659D NL113659C (fr) | 1958-06-23 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2997236A (fr) |
| FR (1) | FR1227856A (fr) |
| GB (1) | GB920210A (fr) |
| NL (2) | NL228926A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3258673A (en) * | 1966-06-28 | System for converting single phase | ||
| CH533380A (de) * | 1971-06-15 | 1973-01-31 | Bbc Brown Boveri & Cie | Schaltungsanordnung zur Phasendrehung |
-
0
- NL NL113659D patent/NL113659C/xx active
- NL NL228926D patent/NL228926A/xx unknown
-
1959
- 1959-06-22 FR FR798192A patent/FR1227856A/fr not_active Expired
- 1959-06-22 GB GB21381/59A patent/GB920210A/en not_active Expired
- 1959-06-23 US US822382A patent/US2997236A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL113659C (fr) | |
| FR1227856A (fr) | 1960-08-24 |
| US2997236A (en) | 1961-08-22 |
| GB920210A (en) | 1963-03-06 |