CH216272A - Punch card machine. - Google Patents
Punch card machine.Info
- Publication number
- CH216272A CH216272A CH216272DA CH216272A CH 216272 A CH216272 A CH 216272A CH 216272D A CH216272D A CH 216272DA CH 216272 A CH216272 A CH 216272A
- Authority
- CH
- Switzerland
- Prior art keywords
- card machine
- punch card
- punch
- machine
- card
- Prior art date
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
- G06F7/46—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using electromechanical counter-type accumulators
- G06F7/462—Multiplying; dividing
- G06F7/463—Multiplying; dividing by successive additions or subtractions
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computational Mathematics (AREA)
- Computing Systems (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US284075A US2214010A (en) | 1939-07-12 | 1939-07-12 | Statistical card comparing machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CH216272A true CH216272A (en) | 1941-08-15 |
Family
ID=23088755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH216272D CH216272A (en) | 1939-07-12 | 1940-07-11 | Punch card machine. |
Country Status (4)
Country | Link |
---|---|
US (1) | US2214010A (en) |
CH (1) | CH216272A (en) |
GB (1) | GB542732A (en) |
NL (1) | NL68396C (en) |
-
0
- NL NL68396D patent/NL68396C/xx active
-
1939
- 1939-07-12 US US284075A patent/US2214010A/en not_active Expired - Lifetime
-
1940
- 1940-07-11 CH CH216272D patent/CH216272A/en unknown
- 1940-07-12 GB GB11624/40A patent/GB542732A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB542732A (en) | 1942-01-26 |
NL68396C (en) | |
US2214010A (en) | 1940-09-10 |
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