Patent Yard Sign in
Expired Canadian patentCanada

Apparatus for checking pulse rate by plethysmograph detection

CA 1207032 A · Owner: Denis, Herve · Inventors: Denis, Herve; Becquet, Jacqueline

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

Apparatus for checking pulse rate by plethysmograph detection Mrs. Jacqueline BECQUET and Mr. Hervé DENIS The invention relates to apparatus for checking pulse rate by plethysmograph detection comprising a, plethysmograph measurement device a unit for processing, the signals obtained and a display device for presenting written and/or graphic information. The technical problem posed is to eliminate as far as possible, sources of errors and in particular, to avoid movements of the user during the measurement. According to the invention the plethysmograph, measurement device comprises two identical transducers (32) each associated with a finger of a respective hand and the, processing unit …

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 July 2, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 2, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 22, 1983
GrantedJuly 2, 1986
Term endedJuly 2, 2003
Patent numberCA 1207032 A
Classification (IPC)A61B5/02 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedJune 22, 1983Patent grantedJuly 2, 1986Term endedJuly 2, 2003

Sources & verification

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