GB1244594A - A keyboard for calculating machines, accounting machines, teleprinting machines or the like - Google Patents

A keyboard for calculating machines, accounting machines, teleprinting machines or the like

Info

Publication number
GB1244594A
GB1244594A GB21098/70A GB2109870A GB1244594A GB 1244594 A GB1244594 A GB 1244594A GB 21098/70 A GB21098/70 A GB 21098/70A GB 2109870 A GB2109870 A GB 2109870A GB 1244594 A GB1244594 A GB 1244594A
Authority
GB
United Kingdom
Prior art keywords
plate
lever
keyboard
machines
shaft
Prior art date
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
GB21098/70A
Other languages
English (en)
Inventor
Franco Bretti
Emilio Gilardi
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.)
Olivetti SpA
Original Assignee
Olivetti 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 SpA filed Critical Olivetti SpA
Publication of GB1244594A publication Critical patent/GB1244594A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00—Input mechanisms
    • G06C7/02—Keyboards

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)
GB21098/70A 1969-05-09 1970-05-01 A keyboard for calculating machines, accounting machines, teleprinting machines or the like Expired GB1244594A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT5176469 1969-05-09

Publications (1)

Publication Number Publication Date
GB1244594A true GB1244594A (en) 1971-09-02

Family

ID=11275688

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21098/70A Expired GB1244594A (en) 1969-05-09 1970-05-01 A keyboard for calculating machines, accounting machines, teleprinting machines or the like

Country Status (7)

Country Link
US (1) US3646551A (enrdf_load_stackoverflow)
JP (1) JPS5040613B1 (enrdf_load_stackoverflow)
BE (1) BE749001A (enrdf_load_stackoverflow)
DE (1) DE2022657C3 (enrdf_load_stackoverflow)
FR (1) FR2047202A5 (enrdf_load_stackoverflow)
GB (1) GB1244594A (enrdf_load_stackoverflow)
SU (2) SU508236A3 (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5393333U (enrdf_load_stackoverflow) * 1976-12-28 1978-07-29
US4522518A (en) * 1983-07-07 1985-06-11 Schmidt John R Character data input keyboard arrangement having central matrix of keys
JPH02108815U (enrdf_load_stackoverflow) * 1989-02-15 1990-08-29
DE19506509C2 (de) * 1995-02-24 1996-12-05 Preh Elektro Feinmechanik Tastenfeld für Verkaufs- und Registrierkassen

Also Published As

Publication number Publication date
DE2022657B2 (de) 1977-09-22
BE749001A (fr) 1970-09-16
DE2022657A1 (de) 1970-11-19
JPS5040613B1 (enrdf_load_stackoverflow) 1975-12-25
FR2047202A5 (enrdf_load_stackoverflow) 1971-03-12
US3646551A (en) 1972-02-29
SU508236A3 (ru) 1976-03-25
SU505387A3 (ru) 1976-02-28
DE2022657C3 (de) 1978-05-24

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