GB1248447A - Improvements in or relating to keyboard operated machines - Google Patents

Improvements in or relating to keyboard operated machines

Info

Publication number
GB1248447A
GB1248447A GB47680/68A GB4768068A GB1248447A GB 1248447 A GB1248447 A GB 1248447A GB 47680/68 A GB47680/68 A GB 47680/68A GB 4768068 A GB4768068 A GB 4768068A GB 1248447 A GB1248447 A GB 1248447A
Authority
GB
United Kingdom
Prior art keywords
lever
key
control
springs
control members
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
GB47680/68A
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.)
INTERTIP A G ZWEIGNIEDERLASSUN
Original Assignee
INTERTIP A G ZWEIGNIEDERLASSUN
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
Priority claimed from DE19671611450 external-priority patent/DE1611450C3/de
Application filed by INTERTIP A G ZWEIGNIEDERLASSUN filed Critical INTERTIP A G ZWEIGNIEDERLASSUN
Publication of GB1248447A publication Critical patent/GB1248447A/en
Expired legal-status Critical Current

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
    • 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
    • B41J5/18—Locks
    • B41J5/22—Interlocks between keys, e.g. without detent arrangements
    • B41J5/24—Interlocks between keys, e.g. without detent arrangements with detent arrangements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B13/00—Teaching typing
    • G09B13/04—Devices used in association with a real typewriter, teleprinter, or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
GB47680/68A 1967-10-09 1968-10-08 Improvements in or relating to keyboard operated machines Expired GB1248447A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671611450 DE1611450C3 (de) 1967-10-09 1967-10-09 Tastensperre für Büromaschinen

Publications (1)

Publication Number Publication Date
GB1248447A true GB1248447A (en) 1971-10-06

Family

ID=5681722

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47680/68A Expired GB1248447A (en) 1967-10-09 1968-10-08 Improvements in or relating to keyboard operated machines

Country Status (5)

Country Link
US (1) US3536178A (enrdf_load_stackoverflow)
CH (1) CH480181A (enrdf_load_stackoverflow)
FR (1) FR1588306A (enrdf_load_stackoverflow)
GB (1) GB1248447A (enrdf_load_stackoverflow)
SE (1) SE348681B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1396879A (en) * 1971-09-07 1975-06-11 Marconi Co Ltd Display systems
US4059184A (en) * 1977-01-03 1977-11-22 International Business Machines Corporation Single print element selection apparatus with multiple selection inhibiting means
US4185400A (en) * 1978-08-14 1980-01-29 Sears, Roebuck And Co. Typewriter with instructional apparatus
CN104123877B (zh) * 2014-07-04 2016-12-07 龙岩学院 一种凸轮机构位移-廓线生成演示仪

Also Published As

Publication number Publication date
CH480181A (de) 1969-10-31
US3536178A (en) 1970-10-27
SE348681B (enrdf_load_stackoverflow) 1972-09-11
FR1588306A (enrdf_load_stackoverflow) 1970-04-10

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