NL917C - Toetsenbord voor rekenmachines - Google Patents

Toetsenbord voor rekenmachines Download PDF

Info

Publication number
NL917C
NL917C NL1081A NL1081A NL917C NL 917 C NL917 C NL 917C NL 1081 A NL1081 A NL 1081A NL 1081 A NL1081 A NL 1081A NL 917 C NL917 C NL 917C
Authority
NL
Netherlands
Prior art keywords
calculator keyboard
calculator
keyboard
Prior art date
Application number
NL1081A
Other languages
English (en)
Original Assignee
Wanderer-Werke Vorm Winklhofer & Jaenicke Akt Ges
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 Wanderer-Werke Vorm Winklhofer & Jaenicke Akt Ges filed Critical Wanderer-Werke Vorm Winklhofer & Jaenicke Akt Ges
Application granted granted Critical
Publication of NL917C publication Critical patent/NL917C/nl

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J1/00—Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies
    • B41J1/02—Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies with separate or detached types or dies
    • 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
    • G06C7/04—Interlocking devices, e.g. between keys

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)
NL1081A 1911-08-28 1912-08-28 Toetsenbord voor rekenmachines NL917C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE917X 1911-08-28

Publications (1)

Publication Number Publication Date
NL917C true NL917C (nl) 1915-12-15

Family

ID=86006207

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1081A NL917C (nl) 1911-08-28 1912-08-28 Toetsenbord voor rekenmachines

Country Status (3)

Country Link
AT (1) AT62946B (nl)
FR (1) FR447612A (nl)
NL (1) NL917C (nl)

Also Published As

Publication number Publication date
AT62946B (de) 1914-01-10
FR447612A (fr) 1913-01-10

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