CH399782A - Macchina calcolatrice a tastiera ridotta - Google Patents

Macchina calcolatrice a tastiera ridotta

Info

Publication number
CH399782A
CH399782A CH1226964A CH1226964A CH399782A CH 399782 A CH399782 A CH 399782A CH 1226964 A CH1226964 A CH 1226964A CH 1226964 A CH1226964 A CH 1226964A CH 399782 A CH399782 A CH 399782A
Authority
CH
Switzerland
Prior art keywords
calculating machine
reduced keyboard
keyboard
reduced
calculating
Prior art date
Application number
CH1226964A
Other languages
English (en)
Inventor
Gassino Teresio
Original Assignee
Olivetti & Co Spa
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.)
Filing date
Publication date
Application filed by Olivetti & Co Spa filed Critical Olivetti & Co Spa
Publication of CH399782A publication Critical patent/CH399782A/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00—Input mechanisms
    • G06C7/12—Resetting devices, e.g. for the keyboard
    • 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
    • G06C7/08—Keyboards with one set of keys for all denominations, e.g. ten-key board

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)
  • Lock And Its Accessories (AREA)
  • Input From Keyboards Or The Like (AREA)
CH1226964A 1963-10-02 1964-09-21 Macchina calcolatrice a tastiera ridotta CH399782A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2040663 1963-10-02

Publications (1)

Publication Number Publication Date
CH399782A true CH399782A (it) 1965-09-30

Family

ID=11166438

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1226964A CH399782A (it) 1963-10-02 1964-09-21 Macchina calcolatrice a tastiera ridotta

Country Status (4)

Country Link
US (1) US3319882A (it)
CH (1) CH399782A (it)
DE (1) DE1449982C3 (it)
SE (1) SE306629B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE704765A (it) * 1966-10-10 1968-02-15

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733010A (en) * 1956-01-31 Clearing mechanism
US2847160A (en) * 1958-08-12 Calculating machine
US2636677A (en) * 1953-04-28 Operation control means foe
US2157411A (en) * 1939-05-09 Calculating machine
US2758789A (en) * 1956-08-14 ellerbeck
US2733011A (en) * 1956-01-31 Clearing
US1557457A (en) * 1925-10-13 Accounting machine and motor-drive mechanism
US2946505A (en) * 1956-03-13 1960-07-26 Friden Inc Caculating machine
US3030018A (en) * 1959-05-29 1962-04-17 Friden Inc Calculating machine cycle initiating mechanism

Also Published As

Publication number Publication date
SE306629B (it) 1968-12-02
DE1449982A1 (de) 1969-06-04
DE1449982C3 (de) 1975-02-27
DE1449982B2 (de) 1974-07-11
US3319882A (en) 1967-05-16

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