DK109168C - Additionsmaskine med formindsket tastatur. - Google Patents

Additionsmaskine med formindsket tastatur.

Info

Publication number
DK109168C
DK109168C DK256766AA DK256766A DK109168C DK 109168 C DK109168 C DK 109168C DK 256766A A DK256766A A DK 256766AA DK 256766 A DK256766 A DK 256766A DK 109168 C DK109168 C DK 109168C
Authority
DK
Denmark
Prior art keywords
reduced keyboard
addition machine
machine
addition
keyboard
Prior art date
Application number
DK256766AA
Other languages
English (en)
Original Assignee
Ricoh Kk
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 Ricoh Kk filed Critical Ricoh Kk
Application granted granted Critical
Publication of DK109168C publication Critical patent/DK109168C/da

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C19/00—Decimal-point mechanisms; Analogous mechanisms for non-decimal notations
    • G06C19/04—Devices for printing the point

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
DK256766AA 1962-09-25 1963-09-24 Additionsmaskine med formindsket tastatur. DK109168C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2746862 1962-09-25

Publications (1)

Publication Number Publication Date
DK109168C true DK109168C (da) 1968-03-25

Family

ID=11221696

Family Applications (1)

Application Number Title Priority Date Filing Date
DK256766AA DK109168C (da) 1962-09-25 1963-09-24 Additionsmaskine med formindsket tastatur.

Country Status (5)

Country Link
US (1) US3410484A (da)
AT (1) AT250710B (da)
DE (1) DE1449486B1 (da)
DK (1) DK109168C (da)
SE (1) SE340708B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT973138B (it) * 1972-12-29 1974-06-10 Barozzi G Dispositivo per macchine calcola trici con battuta a rullo a im pressione uniforme
CN102707764B (zh) * 2012-05-21 2015-01-14 杭州电子科技大学 一种机械自动加法装置
CN106327957A (zh) * 2016-11-15 2017-01-11 合肥探奥自动化有限公司 一种进制原理演示装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3078038A (en) * 1963-02-19 Registers fo s gbding machines
US3009634A (en) * 1961-11-21 Allward
US3120341A (en) * 1964-02-04 Plaut
GB479234A (da) * 1900-01-01
US3018044A (en) * 1962-01-23 anderson
DE482C (de) * 1877-09-08 GASMOTORENFABRIK DEUTZ in Deutz bei Köln Hydraulisches Gesperre für atmosphärische Gaskraftmaschinen
DE747222C (de) * 1934-09-08 1944-09-15 Wanderer Werke Ag Einrichtung zum Unterbrechen des selbsttaetigen Nullendruckes bei Rechen- oder Buchungsmaschinen
DE921363C (de) * 1949-12-08 1954-12-16 Olympia Werke Ag Einrichtung zur Saldierung bei rechnenden Bueromaschinen, insbesondere Zehntastenaddiermaschinen
DE1014764B (de) * 1955-01-18 1957-08-29 Walther Bueromaschinen G M B H Nullendruckvorrichtung
DE1101824B (de) * 1955-08-25 1961-03-09 Walther Bueromaschinen Ges M B Vorrichtung zum Ziehen negativer Summen
US3000561A (en) * 1955-12-12 1961-09-19 Underwood Corp Ten key adding and subtracting machine
US2942776A (en) * 1955-12-29 1960-06-28 Underwood Corp Actuating mechanism for ten key adding machines

Also Published As

Publication number Publication date
US3410484A (en) 1968-11-12
DE1449486B1 (de) 1971-01-07
SE340708B (da) 1971-11-29
AT250710B (de) 1966-11-25

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