Patent Yard Sign in
Expired Canadian patentCanada

System for the detection and recording of infringements of the road traffic regulations using a laser

CA 1307159 C · Owner: Sodi, Fiorello · Inventors: Sodi, Fiorello

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 sights are formed by laser emitter (10) and receiver (5, 6) systems, disposed so as to be coaxial the photodiode receiver (5) being associated with means for the amplification and electronic processing (7) of a signal consisting of sudden variation of the capacities to reflect the emitted beam; and the circuits for supplying (20) the laser emitters form emissions of laser signals of duration which is relatively very short in comparison with the interval between two successive emissions. (Fig. 1)

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 September 8, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 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.
FiledAugust 22, 1988
GrantedSeptember 8, 1992
Term endedSeptember 8, 2009
Patent numberCA 1307159 C
Classification (IPC)G08G1/04 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedAug 22, 1988Patent grantedSep 8, 1992Term endedSep 8, 2009

Sources & verification

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