Patents Assigned to Elektro-Apparatebau Olten A.G.
  • Pulse-rate indicator
    Patent number: 4129124
    Abstract: A pulse-rate indicator having electro-optical means for converting pulse beats into electric measuring pulses, means for generating a number of timing pulses derived from measuring pulses, means for calculating the pulse-rate from the number of timing pulses, means for displaying the pulse-rate, and a pushbutton for rendering the indicator operative, the electro-optical means being disposed in the pushbutton for generating the electric measuring pulses as a function of the perfusion of blood in a human fingertip pressing upon the pushbutton.
    Type: Grant
    Filed: February 10, 1977
    Date of Patent: December 12, 1978
    Assignee: Elektro-Apparatebau Olten A.G.
    Inventor: Rene A. Thalmann