DE209059C - - Google Patents

Info

Publication number
DE209059C
DE209059C DENDAT209059D DE209059DA DE209059C DE 209059 C DE209059 C DE 209059C DE NDAT209059 D DENDAT209059 D DE NDAT209059D DE 209059D A DE209059D A DE 209059DA DE 209059 C DE209059 C DE 209059C
Authority
DE
Germany
Prior art keywords
writing
pen
dimples
dimple
wedge
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.)
Active
Application number
DENDAT209059D
Other languages
German (de)
English (en)
Publication of DE209059C publication Critical patent/DE209059C/de
Active legal-status Critical Current

Links

Classifications

    • 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
    • G09B21/00—Teaching, or communicating with, the blind, deaf or mute
    • G09B21/02—Devices for Braille writing

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Printing Methods (AREA)
DENDAT209059D Active DE209059C (fr)

Publications (1)

Publication Number Publication Date
DE209059C true DE209059C (fr)

Family

ID=471050

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT209059D Active DE209059C (fr)

Country Status (1)

Country Link
DE (1) DE209059C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2607614A1 (fr) * 1986-12-02 1988-06-03 Liamine Marie Phrase : appareil a ecriture et lecture braille et universelle pouvant servir aux voyants et non-voyants
US5466155A (en) * 1994-03-10 1995-11-14 Fay; Susan K. Laptop braille slate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2607614A1 (fr) * 1986-12-02 1988-06-03 Liamine Marie Phrase : appareil a ecriture et lecture braille et universelle pouvant servir aux voyants et non-voyants
US5466155A (en) * 1994-03-10 1995-11-14 Fay; Susan K. Laptop braille slate

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