Patent Yard Sign in
Expired Canadian patentCanada

Color sensor system for the recognition of objects with colored surfaces

CA 1298665 C · Owner: Lugos, Attila · Inventors: Lugos, Attila

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

The color sensor system has at least three electronic light transmitters each emitting light of a determined narrow-band range of wavelengths, which under the control of a transmission control device in the course of a control cycle illuminate successively the, colored surface of the object in question for a brief period of time with light pulses of a predetermined intensity. The light reflected in each case from the colored surface upon the arrival of the light pulses is received by an electronic light receiver and converted into electrical signals. The electrical signals that are emitted successively by the light receiver in the course of a control cycle are conducted to an evaluation …

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 April 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 7, 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.
FiledDecember 1, 1988
GrantedApril 7, 1992
Term endedApril 7, 2009
Patent numberCA 1298665 C
Classification (IPC)G01J3/50 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedDec 1, 1988Patent grantedApril 7, 1992Term endedApril 7, 2009

Sources & verification

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