Patent · US Expired

Electronic measuring instrument combining an oscilloscope and a digital multimeter

US4034291A · kind A · utility

31Cited by
1References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 14, 1975
Grant dateJul 5, 1977
Priority date
Expiry dateApr 14, 1995

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R13/20
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An oscilloscope and a digital multimeter are combined in a single housing to provide a portable electronic measurement instrument wherein a substantial portion of circuitry is common to both measurement systems. A cathode-ray tube provides the display for both waveform and alpha-numeric information.

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