Patent Yard Sign in
Expired Canadian patentCanada

Total focus 3-d camera and 3-d image structure

CA 1313790 C · Owner: Wah Lo, Allen K. · Inventors: Wah Lo, Allen K.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

Three-dimensional photographs are produced in which there are three image bands within each lenticule in which each image band is between 8.5 degrees and 11 degrees in width in order to permit a photograph to be viewed from wider angles so that the eyes will see adjacent stereo pairs from any viewing angle and the picture will be in total focus. A three lens camera is provided to take these photographs.

Read the whole patent

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 February 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 23, 2010.
  • 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 30, 1989
GrantedFebruary 23, 1993
Term endedFebruary 23, 2010
Patent numberCA 1313790 C
Classification (IPC)G03B35/08 +1 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJan 30, 1989Patent grantedFeb 23, 1993Term endedFeb 23, 2010

Sources & verification

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