FR966607A - Machine à calculer électrique - Google Patents
Machine à calculer électriqueInfo
- Publication number
- FR966607A FR966607A FR966607DA FR966607A FR 966607 A FR966607 A FR 966607A FR 966607D A FR966607D A FR 966607DA FR 966607 A FR966607 A FR 966607A
- Authority
- FR
- France
- Prior art keywords
- calculating machine
- electric calculating
- electric
- machine
- 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; 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
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Algebra (AREA)
- Adjustable Resistors (AREA)
- Control Of Ac Motors In General (AREA)
- Electric Vacuum Cleaner (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB13648/47A GB650718A (en) | 1947-05-21 | 1947-05-21 | Improvements relating to electrical computing instruments |
Publications (1)
Publication Number | Publication Date |
---|---|
FR966607A true FR966607A (fr) | 1950-10-13 |
Family
ID=10026851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR966607D Expired FR966607A (fr) | 1947-05-21 | 1948-05-21 | Machine à calculer électrique |
Country Status (3)
Country | Link |
---|---|
US (1) | US2608345A (fr) |
FR (1) | FR966607A (fr) |
GB (1) | GB650718A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2781170A (en) * | 1947-05-21 | 1957-02-12 | Walker Donald Ferguson | Electrical computing instruments |
US2817478A (en) * | 1952-11-22 | 1957-12-24 | Sperry Rand Corp | Four dimensional network |
US3040567A (en) * | 1955-06-27 | 1962-06-26 | Stanley S Brody | V-g flight indicator |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2066949A (en) * | 1936-05-16 | 1937-01-05 | Gen Electric | Craft navigating apparatus |
US2438112A (en) * | 1943-06-29 | 1948-03-23 | Bell Telephone Labor Inc | Bombsight computer |
US2439381A (en) * | 1943-07-17 | 1948-04-13 | Bell Telephone Labor Inc | Computing bomb sight |
US2444933A (en) * | 1946-08-07 | 1948-07-13 | Robert E Jasperson | Automatic navigational director |
-
1947
- 1947-05-21 GB GB13648/47A patent/GB650718A/en not_active Expired
-
1948
- 1948-05-19 US US27990A patent/US2608345A/en not_active Expired - Lifetime
- 1948-05-21 FR FR966607D patent/FR966607A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB650718A (en) | 1951-02-28 |
US2608345A (en) | 1952-08-26 |
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