FR722351A - Machines à calculer - Google Patents
Machines à calculerInfo
- Publication number
- FR722351A FR722351A FR722351DA FR722351A FR 722351 A FR722351 A FR 722351A FR 722351D A FR722351D A FR 722351DA FR 722351 A FR722351 A FR 722351A
- Authority
- FR
- France
- Prior art keywords
- calculating machines
- machines
- calculating
- 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 specially adapted therefor
- G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for multiplication or division
- G06G7/163—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for multiplication or division using a variable impedance controlled by one of the input signals, variable amplification or transfer function
-
- 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 specially adapted therefor
- G06G7/14—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for addition or subtraction
-
- 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 specially adapted therefor
- G06G7/26—Arbitrary function generators
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Adjustable Resistors (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR722351T | 1930-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR722351A true FR722351A (fr) | 1932-03-16 |
Family
ID=9101050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR722351D Expired FR722351A (fr) | 1930-11-28 | 1930-11-28 | Machines à calculer |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR722351A (fr) |
| GB (1) | GB392207A (fr) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2424178A (en) * | 1944-02-23 | 1947-07-15 | Matthews Bryan Harold Cabot | Apparatus for effecting navigational calculations |
| US2500997A (en) * | 1944-07-13 | 1950-03-21 | Phillips Petroleum Co | Electrical computing device |
| US2636151A (en) * | 1952-01-31 | 1953-04-21 | Bailey Meter Co | Measuring system |
| DE764252C (de) * | 1935-07-10 | 1954-08-23 | Aeg | Anordnung zur Entfernungsmessung mittels mehrerer an den Enden bekannter Basen aufgestellter Peil- bzw. Visiergeraete |
| US2692442A (en) * | 1946-04-17 | 1954-10-26 | Rex A Roberts | Tilt, pitch, and bank simulation for scanners in radar training |
| US2784908A (en) * | 1945-06-07 | 1957-03-12 | John W Gray | Electrical navigation apparatus |
-
1930
- 1930-11-28 FR FR722351D patent/FR722351A/fr not_active Expired
-
1931
- 1931-10-15 GB GB28642/31A patent/GB392207A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE764252C (de) * | 1935-07-10 | 1954-08-23 | Aeg | Anordnung zur Entfernungsmessung mittels mehrerer an den Enden bekannter Basen aufgestellter Peil- bzw. Visiergeraete |
| US2424178A (en) * | 1944-02-23 | 1947-07-15 | Matthews Bryan Harold Cabot | Apparatus for effecting navigational calculations |
| US2500997A (en) * | 1944-07-13 | 1950-03-21 | Phillips Petroleum Co | Electrical computing device |
| US2784908A (en) * | 1945-06-07 | 1957-03-12 | John W Gray | Electrical navigation apparatus |
| US2692442A (en) * | 1946-04-17 | 1954-10-26 | Rex A Roberts | Tilt, pitch, and bank simulation for scanners in radar training |
| US2636151A (en) * | 1952-01-31 | 1953-04-21 | Bailey Meter Co | Measuring system |
Also Published As
| Publication number | Publication date |
|---|---|
| GB392207A (en) | 1933-05-15 |
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