Stationary hologram scanner
CA 1294467 C · Owner: Edo, Hidekazu · Inventors: Nishi, Kazurou; Edo, Hidekazu; Hatanaka, Yasuchika
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stationary hologram scanner according to the present invention previously divides one light beam into a plurality of parts (switched-over in a time division manner) prior to the incidence of a light beam thereupon, so that a construction, in which only one mirror is installed between a hologram disk and a reading window, is possible, whereby reducing a sectional area of one side portion of an apparatus in comparison with the conventional apparatus an operator can reasonably operate in a seated posture with putting operator's knees below this portion. - 40 -
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 January 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 21, 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.