CH553448A - OFFICE MACHINE FOR PERFORMING CALCULATION OPERATIONS. - Google Patents

OFFICE MACHINE FOR PERFORMING CALCULATION OPERATIONS.

Info

Publication number
CH553448A
CH553448A CH941171A CH941171A CH553448A CH 553448 A CH553448 A CH 553448A CH 941171 A CH941171 A CH 941171A CH 941171 A CH941171 A CH 941171A CH 553448 A CH553448 A CH 553448A
Authority
CH
Switzerland
Prior art keywords
performing calculation
office machine
calculation operations
operations
office
Prior art date
Application number
CH941171A
Other languages
German (de)
Original Assignee
Litton Industries Inc
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 Litton Industries Inc filed Critical Litton Industries Inc
Publication of CH553448A publication Critical patent/CH553448A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00—Input mechanisms
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C11/00—Output mechanisms
    • G06C11/02—Output mechanisms with visual indication, e.g. counter drum
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C15/00—Computing mechanisms; Actuating devices therefor
    • G06C15/04—Adding or subtracting devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
CH941171A 1970-06-26 1971-06-25 OFFICE MACHINE FOR PERFORMING CALCULATION OPERATIONS. CH553448A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US5006370A 1970-06-26 1970-06-26
US5006470A 1970-06-26 1970-06-26
US7190270A 1970-09-14 1970-09-14
US9781270A 1970-12-14 1970-12-14

Publications (1)

Publication Number Publication Date
CH553448A true CH553448A (en) 1974-08-30

Family

ID=27489310

Family Applications (1)

Application Number Title Priority Date Filing Date
CH941171A CH553448A (en) 1970-06-26 1971-06-25 OFFICE MACHINE FOR PERFORMING CALCULATION OPERATIONS.

Country Status (6)

Country Link
AU (1) AU3001371A (en)
CH (1) CH553448A (en)
DE (1) DE2129860A1 (en)
FR (1) FR2109633A5 (en)
GB (1) GB1345886A (en)
NL (1) NL7108807A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112802279B (en) * 2020-12-28 2022-07-08 西南医科大学附属医院 Hospital medical insurance expense collection and management auxiliary device
CN115394078B (en) * 2022-08-18 2023-12-26 江苏省镔鑫钢铁集团有限公司 Continuous detection device for parking space information of mobile trolley equipment

Also Published As

Publication number Publication date
DE2129860A1 (en) 1972-03-02
AU3001371A (en) 1972-12-21
FR2109633A5 (en) 1972-05-26
GB1345886A (en) 1974-02-06
NL7108807A (en) 1971-12-28

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Legal Events

Date Code Title Description
PL Patent ceased