Micrographic reader with digitized image
CA 2098693 A1 · Owner: Nodelman, Semyon · Inventors: Rose, David Morris; Nodelman, Semyon; Poyner, Robert Anthony
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A microfilm reader as provided which not only permits an operator to visually examine previously created images, stored on microfilm, but also to create a digitized representation of the image being viewed. The reader includes an opto-mechanical system for displaying a selected image and also for directing the image to a digitizing sensor. The sensor is coupled to electronic circuitry for storing the digitized representation either in black and white form or with a gray scale. The contents of the storage unit can be accessed a microcomputer coupled to the reader for purposes of manipulating the digitized representation or for transmitting it to another display or an output device, such as a …
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
- Filed June 17, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 17, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 17, 2015.
- 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.