GB520228A - Improvements in or relating to electrical methods of and apparatus for the determination of the function values of functions of several independent variables - Google Patents
Improvements in or relating to electrical methods of and apparatus for the determination of the function values of functions of several independent variablesInfo
- Publication number
- GB520228A GB520228A GB24159/38A GB2415938A GB520228A GB 520228 A GB520228 A GB 520228A GB 24159/38 A GB24159/38 A GB 24159/38A GB 2415938 A GB2415938 A GB 2415938A GB 520228 A GB520228 A GB 520228A
- Authority
- GB
- United Kingdom
- Prior art keywords
- network
- networks
- sin
- decoupling
- terminal
- Prior art date
- 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 OR CALCULATING; 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Power Engineering (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH520228X | 1938-05-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB520228A true GB520228A (en) | 1940-04-18 |
Family
ID=4517903
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB24159/38A Expired GB520228A (en) | 1938-05-25 | 1938-08-16 | Improvements in or relating to electrical methods of and apparatus for the determination of the function values of functions of several independent variables |
GB9937/40A Expired GB541761A (en) | 1938-05-25 | 1940-06-06 | Electrical calculating apparatus |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9937/40A Expired GB541761A (en) | 1938-05-25 | 1940-06-06 | Electrical calculating apparatus |
Country Status (5)
Country | Link |
---|---|
CH (2) | CH210859A (enrdf_load_stackoverflow) |
DE (1) | DE750780C (enrdf_load_stackoverflow) |
FR (2) | FR51216E (enrdf_load_stackoverflow) |
GB (2) | GB520228A (enrdf_load_stackoverflow) |
NL (1) | NL55441C (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2497883A (en) * | 1943-01-28 | 1950-02-21 | Sperry Corp | Electronic computer |
US2652979A (en) * | 1945-08-01 | 1953-09-22 | Chance Britton | Arrangement for providing corrections in ground-position-indicating systems |
US2785853A (en) * | 1950-05-06 | 1957-03-19 | Honore Etienne Augustin Henri | Electric analog computer and similar circuits |
-
0
- NL NL55441D patent/NL55441C/xx active
- FR FR851948D patent/FR851948A/fr not_active Expired
-
1938
- 1938-05-25 CH CH210859D patent/CH210859A/de unknown
- 1938-05-31 DE DEC54040D patent/DE750780C/de not_active Expired
- 1938-08-16 GB GB24159/38A patent/GB520228A/en not_active Expired
-
1939
- 1939-06-10 CH CH212584D patent/CH212584A/de unknown
-
1940
- 1940-05-30 FR FR51216D patent/FR51216E/fr not_active Expired
- 1940-06-06 GB GB9937/40A patent/GB541761A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2497883A (en) * | 1943-01-28 | 1950-02-21 | Sperry Corp | Electronic computer |
US2652979A (en) * | 1945-08-01 | 1953-09-22 | Chance Britton | Arrangement for providing corrections in ground-position-indicating systems |
US2785853A (en) * | 1950-05-06 | 1957-03-19 | Honore Etienne Augustin Henri | Electric analog computer and similar circuits |
Also Published As
Publication number | Publication date |
---|---|
DE750780C (de) | 1945-01-26 |
FR851948A (enrdf_load_stackoverflow) | 1940-01-18 |
GB541761A (en) | 1941-12-10 |
NL55441C (enrdf_load_stackoverflow) | |
CH210859A (de) | 1940-08-15 |
CH212584A (de) | 1940-11-30 |
FR51216E (fr) | 1941-12-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Brown | On a class of operators | |
GB796676A (en) | Improvements in or relating to circuits for the analysis and synthesis of speech currents | |
US3432650A (en) | Signal multiplier providing an output signal substantially free of components proportional to the individual input signals | |
Paisley | An oasis where many trails cross: The improbable cocitation networks of a multidiscipline | |
GB520228A (en) | Improvements in or relating to electrical methods of and apparatus for the determination of the function values of functions of several independent variables | |
GB1256736A (enrdf_load_stackoverflow) | ||
Read | The number of k-coloured graphs on labelled nodes | |
Plesník | Bounds on chromatic numbers of multiple factors of a complete graph | |
Peterson | Equity, equality, and marriage | |
US3943431A (en) | Current-splitting network | |
EP0166044B1 (en) | Four quadrant multiplier | |
KR880004641A (ko) | 지연 회로 | |
GB767521A (en) | Improvements in electric analogue-computer devices | |
US3940603A (en) | Four quadrant multiplying divider using three log circuits | |
GB481085A (en) | Improvements in or relating to two-wire-four-wire combinations in electric signalling systems | |
Heider | A characterization of function-lattices | |
GB561831A (en) | Improvements in apparatus for the electrical evaluation of linear expressions | |
Rosenberg | On the Analysis of Style | |
SU949775A1 (ru) | Дифференциальный усилитель | |
SU875395A1 (ru) | Устройство дл выделени модул | |
Murphy | Service of women psychologists to the war: foreword. | |
GB915271A (en) | Improvements in or relating to electrical circuit arrangements | |
SU905984A1 (ru) | Каскодный дифференциальный усилитель | |
SU1415199A1 (ru) | Магазин сопротивлени | |
Ishikura | Free metabelian groups are permutation stable |