FR870030A - Touche pour machines à calculer - Google Patents

Touche pour machines à calculer

Info

Publication number
FR870030A
FR870030A FR870030DA FR870030A FR 870030 A FR870030 A FR 870030A FR 870030D A FR870030D A FR 870030DA FR 870030 A FR870030 A FR 870030A
Authority
FR
France
Prior art keywords
key
calculating machines
machines
calculating
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
Other languages
English (en)
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.)
Olympia Bueromaschinenwerke AG
Original Assignee
Olympia Bueromaschinenwerke AG
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 Olympia Bueromaschinenwerke AG filed Critical Olympia Bueromaschinenwerke AG
Application granted granted Critical
Publication of FR870030A publication Critical patent/FR870030A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41B—MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
    • B41B27/00—Control, indicating, or safety devices or systems for composing machines of various kinds or types
    • B41B27/02—Systems for controlling all operations
    • B41B27/04—Keyboards
    • 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
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • B41J5/12—Construction of key buttons
FR870030D 1939-10-21 1941-02-15 Touche pour machines à calculer Expired FR870030A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE870030X 1939-10-21

Publications (1)

Publication Number Publication Date
FR870030A true FR870030A (fr) 1942-02-27

Family

ID=6803421

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870030D Expired FR870030A (fr) 1939-10-21 1941-02-15 Touche pour machines à calculer

Country Status (1)

Country Link
FR (1) FR870030A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100402A (en) * 1976-11-22 1978-07-11 Hugin Kassaregister Ab Keyboard key with changeable indicia

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100402A (en) * 1976-11-22 1978-07-11 Hugin Kassaregister Ab Keyboard key with changeable indicia

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