Power control for laser
CA 1340124 C · Owner: Reltec Corporation · Inventors: Bu-Abbud, George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A power control system for a laser which may be used in an optical time domain reflectometer. The system monitors the output light of the laser to control the bias current and pulse current to the laser. The system also responds to the backscattered light to control the pulse current so that the amplitude of the electrical signal representative of that light is kept within the operating range of the electronics associated with the backscattered light detector.
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 November 10, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 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.