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Expired Canadian patentCanada

Device for optically scanning a document

CA 1208779 A · Owner: N.V.Philips'Gloeilampenfabrieken · Inventors: Thoone, Martinus L.G.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

13, ABSTRACT:, Device for optically scanning a document. The device comprises N linear opto-electronic transducers (157, 159, 161) which are substantially aligned with spaces (183, 185) between adjacent transducers. With each transducer (157, 159, 161) is associated an individual imaging system (163, 165, 167) for imaging a narrow strip (171, 173, 175) of the document on the transducer. Each transducer (157, 159, 161) is displaceable with the aid of adjustment means with respect to the associated imaging system (163, 165, 167), as a result of which the whole can be adjusted so that the narrow strips ( 171 173, 175), adjoin each other and are aligned so that together they cover a narrow …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted July 29, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 29, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 19, 1984
GrantedJuly 29, 1986
Term endedJuly 29, 2003
Patent numberCA 1208779 A
Classification (IPC)G06K7/14 +1 more

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedJan 19, 1984Patent grantedJuly 29, 1986Term endedJuly 29, 2003

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.