Keywords: Penaz principle.jpg en Blochk diagram of Peňáz ™ system with single control loop Constructed with respect to Peňáz ™ original drawing in Peňáz J Photoelectric Measurement of blood pressure volume and flow in the finger Digest of the 10th international conference on medical and biological engineering “ Dresden 1973 ProfBondi 20071010 PD-Art cotrol theory Blood pressure |