GB487341A - Improvements in or relating to multiplying machines - Google Patents

Improvements in or relating to multiplying machines

Info

Publication number: GB487341A
Authority: GB; United Kingdom
Prior art keywords: contacts; relay; shaft; card; magnets
Prior art date: 1935-12-21
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

Application number

GB34875/36A

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

British Tabulating Machine Co Ltd

Original Assignee

British Tabulating Machine Co Ltd

Priority date (The priority date 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 date listed.)

1935-12-21

Filing date

1936-12-18

Publication date

1938-06-20

1936-12-18 Application filed by British Tabulating Machine Co Ltd filed Critical British Tabulating Machine Co Ltd

1938-06-20 Publication of GB487341A publication Critical patent/GB487341A/en

Status Expired legal-status Critical Current

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
- G06F7/467—Multiplying; dividing by using preset multiples of the multiplicand or the divisor

Landscapes

Engineering & Computer Science (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)
Physics & Mathematics (AREA)
Computing Systems (AREA)
Mathematical Analysis (AREA)
Mathematical Optimization (AREA)
Pure & Applied Mathematics (AREA)
General Engineering & Computer Science (AREA)
Computational Mathematics (AREA)
Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
A Measuring Device Byusing Mechanical Method (AREA)
Credit Cards Or The Like (AREA)

GB34875/36A 1935-12-21 1936-12-18 Improvements in or relating to multiplying machines Expired GB487341A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US487341XA	1935-12-21	1935-12-21

Publications (1)

Publication Number	Publication Date
GB487341A true GB487341A (en)	1938-06-20

Family

ID=21956164

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB34875/36A Expired GB487341A (en)	1935-12-21	1936-12-18	Improvements in or relating to multiplying machines

Country Status (4)

Country	Link
US (1)	US2192599A (de)
DE (1)	DE657267C (de)
FR (1)	FR48378E (de)
GB (1)	GB487341A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE975966C (de) *	1949-06-29	1963-01-03	Zuse K G	Rechenmaschine zur Durchfuehrung von arithmetischen Rechenoperationen
BE506616A (de) *	1950-12-29

1936
- 1936-05-27 US US82082A patent/US2192599A/en not_active Expired - Lifetime
- 1936-11-27 DE DED74015D patent/DE657267C/de not_active Expired
- 1936-12-08 FR FR48378D patent/FR48378E/fr not_active Expired
- 1936-12-18 GB GB34875/36A patent/GB487341A/en not_active Expired

Also Published As

Publication number	Publication date
DE657267C (de)	1938-03-04
US2192599A (en)	1940-03-05
FR48378E (fr)	1938-02-08

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