FR2020604B1 - - Google Patents
Info
- Publication number
- FR2020604B1 FR2020604B1 FR6933140A FR6933140A FR2020604B1 FR 2020604 B1 FR2020604 B1 FR 2020604B1 FR 6933140 A FR6933140 A FR 6933140A FR 6933140 A FR6933140 A FR 6933140A FR 2020604 B1 FR2020604 B1 FR 2020604B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- G06G7/32—Arrangements for performing computing operations, e.g. operational amplifiers for solving of equations or inequations; for matrices
- G06G7/38—Arrangements for performing computing operations, e.g. operational amplifiers for solving of equations or inequations; for matrices of differential or integral equations
- G06G7/40—Arrangements for performing computing operations, e.g. operational amplifiers for solving of equations or inequations; for matrices of differential or integral equations of partial differential equations of field or wave equations
- G06G7/44—Arrangements for performing computing operations, e.g. operational amplifiers for solving of equations or inequations; for matrices of differential or integral equations of partial differential equations of field or wave equations using continuous medium, current-sensitive paper
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL129510A PL59476B1 (US06811534-20041102-M00003.png) | 1968-10-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2020604A1 FR2020604A1 (US06811534-20041102-M00003.png) | 1970-07-17 |
| FR2020604B1 true FR2020604B1 (US06811534-20041102-M00003.png) | 1973-07-13 |
Family
ID=19950189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR6933140A Expired FR2020604B1 (US06811534-20041102-M00003.png) | 1968-10-14 | 1969-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2020604B1 (US06811534-20041102-M00003.png) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2639090A (en) * | 1949-10-13 | 1953-05-19 | Union Oil Co | Electrical reservoir model |
| NL226791A (US06811534-20041102-M00003.png) * | 1957-04-12 |
-
1969
- 1969-09-29 FR FR6933140A patent/FR2020604B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2020604A1 (US06811534-20041102-M00003.png) | 1970-07-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |