Patent · US Expired

Electrocardiograph with digitally-printing waveform display

US4483346A · kind A · utility

25Cited by
12References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 25, 1983
Grant dateNov 20, 1984
Priority date
Expiry dateAug 25, 2003

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B5/336
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An electrocardiograph included microprocessor control of signals not only from conventional electrocardiograph electrodes but also from a phonocardiographic pickup. The signals are multiplexed, converted to digital representations for processing and are displayed on a printer. Keyboard control of the microprocessor and both analog signal and modem outputs are provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.