Patent · US Expired

Thermal print head

US4259676A · kind A · utility

14Cited by
9References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 30, 1979
Grant dateMar 31, 1981
Priority date
Expiry dateJul 30, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49083
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A thermal print head including a conductive base plate, a substrate slab mounted on the base and having various deposits on the upper and lower surfaces thereof, such deposits including conductive traces, conductive leads, a thermally insulating material, resistors, and conductive deposits for delivering electrical potential across the resistors, one or more integrated circuits mounted on the slab for controlling said print head based on electrical signals from external data processing equipment and connectors for delivering signals and potentials to the print head.

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