BE478996A - - Google Patents
Info
- Publication number
- BE478996A BE478996A BE478996DA BE478996A BE 478996 A BE478996 A BE 478996A BE 478996D A BE478996D A BE 478996DA BE 478996 A BE478996 A BE 478996A
- Authority
- BE
- Belgium
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
- G06G7/20—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating powers, roots, polynomes, mean square values, standard deviation
-
- 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
- G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
- G06G7/188—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using electromechanical elements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K11/00—Methods or arrangements for graph-reading or for converting the pattern of mechanical parameters, e.g. force or presence, into electrical signal
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR267427X | 1947-01-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE478996A true BE478996A (US20090163788A1-20090625-C00002.png) |
Family
ID=8885623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE478996D BE478996A (US20090163788A1-20090625-C00002.png) | 1947-01-04 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE478996A (US20090163788A1-20090625-C00002.png) |
| CH (1) | CH267427A (US20090163788A1-20090625-C00002.png) |
| GB (1) | GB640061A (US20090163788A1-20090625-C00002.png) |
-
0
- BE BE478996D patent/BE478996A/xx unknown
-
1947
- 1947-12-26 CH CH267427D patent/CH267427A/fr unknown
-
1948
- 1948-01-01 GB GB79/48A patent/GB640061A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH267427A (fr) | 1950-03-31 |
| GB640061A (en) | 1950-07-12 |
