BE489673A - - Google Patents
Info
- Publication number
- BE489673A BE489673A BE489673DA BE489673A BE 489673 A BE489673 A BE 489673A BE 489673D A BE489673D A BE 489673DA BE 489673 A BE489673 A BE 489673A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/40—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using contact-making devices, e.g. electromagnetic relay
- G06F7/42—Adding; Subtracting
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Analysis (AREA)
- Computing Systems (AREA)
- Computational Mathematics (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Relay Circuits (AREA)
- Contacts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5609/47A GB650685A (en) | 1947-02-26 | 1947-02-26 | Electromechanical calculating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE489673A true BE489673A (fr) |
Family
ID=9799302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE489673D BE489673A (fr) | 1947-02-26 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2653761A (fr) |
| BE (1) | BE489673A (fr) |
| FR (1) | FR975828A (fr) |
| GB (1) | GB650685A (fr) |
| NL (1) | NL143142B (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL87833C (fr) * | 1950-06-15 | |||
| GB799584A (en) * | 1955-10-25 | 1958-08-13 | Powers Samas Account Mach Ltd | Improvements in or relating to electronic computing apparatus |
| US3024991A (en) * | 1956-09-04 | 1962-03-13 | Gen Dynamics Corp | Cost calcultor |
| NL239382A (fr) * | 1957-10-15 | |||
| US3245065A (en) * | 1959-04-10 | 1966-04-05 | United Aircraft Corp | Digital zero offset position indicator |
| US3138701A (en) * | 1959-12-29 | 1964-06-23 | Ibm | Self-checking numbering devices |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL16401C (fr) * | 1923-02-06 | |||
| NL27994C (fr) * | 1927-09-22 | |||
| US2165298A (en) * | 1929-02-28 | 1939-07-11 | Ibm | Automatically controlled calculating mechanism |
| DE716154C (de) * | 1929-08-22 | 1942-01-16 | Moritz Heinrich Boeninger | Elektrische Rechenmaschine |
| US2099754A (en) * | 1932-03-25 | 1937-11-23 | Associated Electric Lab Inc | Calculating machine |
| GB450015A (en) * | 1934-10-08 | 1936-07-08 | Frank Edward Guy | Improvements in and relating to calculating apparatus |
| US2061715A (en) * | 1935-02-26 | 1936-11-24 | Permutit Co | Water treating apparatus |
| US2305779A (en) * | 1936-04-18 | 1942-12-22 | Hebel Martin | Telephone charging device |
| BE477718A (fr) * | 1945-09-29 |
-
0
- BE BE489673D patent/BE489673A/xx unknown
- NL NL676713440A patent/NL143142B/xx unknown
-
1947
- 1947-02-26 GB GB5609/47A patent/GB650685A/en not_active Expired
-
1948
- 1948-02-24 US US10228A patent/US2653761A/en not_active Expired - Lifetime
- 1948-12-03 FR FR975828D patent/FR975828A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2653761A (en) | 1953-09-29 |
| GB650685A (en) | 1951-02-28 |
| FR975828A (fr) | 1951-03-09 |
| NL143142B (nl) |