CA477465A - Appareil de lecture de braille - Google Patents

Appareil de lecture de braille

Info

Publication number
CA477465A
CA477465A CA477465A CA477465DA CA477465A CA 477465 A CA477465 A CA 477465A CA 477465 A CA477465 A CA 477465A CA 477465D A CA477465D A CA 477465DA CA 477465 A CA477465 A CA 477465A
Authority
CA
Canada
Prior art keywords
reading apparatus
reading
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
CA477465A
Other languages
English (en)
Inventor
W. Bryce James
N. Wheeler John
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Publication date
Application granted granted Critical
Publication of CA477465A publication Critical patent/CA477465A/fr
Expired legal-status Critical Current

Links

CA477465A Appareil de lecture de braille Expired CA477465A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA477465T

Publications (1)

Publication Number Publication Date
CA477465A true CA477465A (fr) 1951-10-02

Family

ID=35617109

Family Applications (1)

Application Number Title Priority Date Filing Date
CA477465A Expired CA477465A (fr) Appareil de lecture de braille

Country Status (1)

Country Link
CA (1) CA477465A (fr)

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