Patent · US Expired

Recording head

US4251822A · kind A · utility

23Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 17, 1979
Grant dateFeb 17, 1981
Priority date
Expiry dateApr 17, 1999

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/1917
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A recording head for use in a recording apparatus has a plurality of sets of recording electrodes corresponding to a plurality of line densities.

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