GB1044331A - Analogue computers utilizing semiconductors - Google Patents
Analogue computers utilizing semiconductorsInfo
- Publication number
- GB1044331A GB1044331A GB1274263A GB1274263A GB1044331A GB 1044331 A GB1044331 A GB 1044331A GB 1274263 A GB1274263 A GB 1274263A GB 1274263 A GB1274263 A GB 1274263A GB 1044331 A GB1044331 A GB 1044331A
- Authority
- GB
- United Kingdom
- Prior art keywords
- proportional
- resistance
- introduces
- coil
- magnetic field
- 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; 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
- G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
- G06G7/162—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using galvano- magnetic effects, e.g. Hall effect; using similar magnetic effects
-
- 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
- G06G7/22—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating trigonometric functions; for conversion of co-ordinates; for computations involving vector quantities
Landscapes
- 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)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Power Engineering (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
1,044,331. Electric analogue calculating. AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY, MINISTRY OF INTERNATIONAL TRADE & INDUSTRY. April 1, 1963 [March 30, 1962; June 30, 1962; July 4, 1962], No. 12742/63. Heading G4G. In an analogue calculating bridge circuit, one arm of the bridge includes a semi-conductor exhibiting the magneto-resistance effect and the Hall effect, and means are provided for varying the magnetic field acting on the semiconductor. In Fig. 5, the bridge circuit is balanced with coil 7 and resistance 10 shortcircuited and with switch 21 open; the coil 7 and resistance 10 are then switched into the circuit. The voltage across the semi-conductor element 1 is proportional to the bridge current I and to the square of the magnetic field, and so is proportional to I<3>; the Hall electrode 8 introduces a term proportional to I<2>, a resistance 10 introduces a term proportional to I, and a battery 20 introduces a constant term. Thus the circuit solves the equation y = ax<3> + bx<2> + cx + d. In a modification, Fig. 8 (not shown), the magnetic field of coil 7 is supplemented by that of further coils fed with currents proportional to other variables; this solves the equation
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1202462 | 1962-03-30 | ||
| JP2280162 | 1962-06-30 | ||
| JP2751462 | 1962-07-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1044331A true GB1044331A (en) | 1966-09-28 |
Family
ID=27279676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1274263A Expired GB1044331A (en) | 1962-03-30 | 1963-04-01 | Analogue computers utilizing semiconductors |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1044331A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2045642A1 (en) * | 1969-06-13 | 1971-03-05 | Anvar |
-
1963
- 1963-04-01 GB GB1274263A patent/GB1044331A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2045642A1 (en) * | 1969-06-13 | 1971-03-05 | Anvar |
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