Apparatus and method for reading information from an information carrier
CA 1306798 C · Owner: Yokochi, Toshiyuki · Inventors: Yokochi, Toshiyuki; Fujita, Shuko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract:, The invention relates to an apparatus and method for reading out information from a transferred information carrier with accuracy without the necessity of strong transferring power for the information carrier. The apparatus comprises transfer equipment for transferring the information carrier in a first direction, a visible light source for radiating light to the transferred information carrier through a transparent medium, a light detector responsive to light reflected from the carrier through the transparent medium and for reading the information on the carrier contained in the reflected light, a guide above the transparent medium and a space control for controlling the space …
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 August 25, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.