CH290939A - Machine de comptabilité. - Google Patents

Machine de comptabilité.

Info

Publication number: CH290939A
Authority: CH; Switzerland
Prior art keywords: sep; zero; stop; recording; key
Prior art date: 1948-07-17

Application number

Other languages

English (en)

French (fr)

Inventor

Company The National Register

Original Assignee

Ncr Co

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.)

1948-07-17

Filing date

1949-07-01

Publication date

1953-05-31

1949-07-01 Application filed by Ncr Co filed Critical Ncr Co

1953-05-31 Publication of CH290939A publication Critical patent/CH290939A/fr

Classifications

- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
- G06C7/00—Input mechanisms
- G06C7/10—Transfer mechanisms, e.g. transfer of a figure from a ten-key keyboard into the pin carriage
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
- G06C7/00—Input mechanisms
- G06C7/02—Keyboards
- G06C7/06—Keyboards with one set of keys for each denomination

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Computer Hardware Design (AREA)
Computing Systems (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)
Transmission Devices (AREA)
Input From Keyboards Or The Like (AREA)
Lock And Its Accessories (AREA)
Calculators And Similar Devices (AREA)
Cash Registers Or Receiving Machines (AREA)
Feedback Control In General (AREA)
Mechanical Control Devices (AREA)

CH290939D 1948-07-17 1949-07-01 Machine de comptabilité. CH290939A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US176998XA	1948-07-17	1948-07-17

Publications (1)

Publication Number	Publication Date
CH290939A true CH290939A (fr)	1953-05-31

Family

ID=21784077

Family Applications (4)

Application Number	Title	Priority Date	Filing Date
CH290939D CH290939A (fr)	1948-07-17	1949-07-01	Machine de comptabilité.
CH292845D CH292845A (fr)	1948-07-17	1949-07-01	Machine de comptabilité.
CH292846D CH292846A (fr)	1948-07-17	1949-07-01	Machine de comptabilité.
CH288478D CH288478A (fr)	1948-07-17	1949-07-01	Machine de comptabilité.

Family Applications After (3)

Application Number	Title	Priority Date	Filing Date
CH292845D CH292845A (fr)	1948-07-17	1949-07-01	Machine de comptabilité.
CH292846D CH292846A (fr)	1948-07-17	1949-07-01	Machine de comptabilité.
CH288478D CH288478A (fr)	1948-07-17	1949-07-01	Machine de comptabilité.

Country Status (4)

Country	Link
AT (3)	AT175718B (de)
CH (4)	CH290939A (de)
DE (2)	DE898234C (de)
GB (1)	GB660638A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3321135A (en) *		1967-05-23		Keyboard assembly for accounting machine
US2811307A (en) *	1954-08-31	1957-10-29	Ferraro Raul Carlos	Full key board listing-adding machines

1949
- 1949-05-06 GB GB701/50A patent/GB660638A/en not_active Expired
- 1949-07-01 CH CH290939D patent/CH290939A/fr unknown
- 1949-07-01 CH CH292845D patent/CH292845A/fr unknown
- 1949-07-01 CH CH292846D patent/CH292846A/fr unknown
- 1949-07-01 CH CH288478D patent/CH288478A/fr unknown
- 1949-07-05 DE DEP47907A patent/DE898234C/de not_active Expired
- 1949-07-05 DE DEN3750A patent/DE855170C/de not_active Expired
- 1949-07-06 AT AT175718D patent/AT175718B/de active
- 1949-07-06 AT AT176998D patent/AT176998B/de active
- 1949-07-06 AT AT175717D patent/AT175717B/de active

Also Published As

Publication number	Publication date
CH292846A (fr)	1953-08-31
CH288478A (fr)	1953-01-31
GB660638A (en)	1951-11-07
AT175718B (de)	1953-08-10
AT176998B (de)	1953-12-10
CH292845A (fr)	1953-08-31
DE855170C (de)	1952-11-10
AT175717B (de)	1953-08-10
DE898234C (de)	1953-11-30

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