Thermal printing head

Details Thermal printing head Thermal printing head

1976-09-13

1977-07-26

Esposito, Michael F.

Metal working

Method of mechanical manufacture

Electrical device making

29620, 29621, 427 53, 427 96, 427102, 427103, 427125, 427376E, 427380, H01C 702, H01C 704

Patent

active

040373150

ABSTRACT:
A row of thick-film resistors connected by thick-film conductors on a ceramic substrate are suitably powered to form a thermal printing head. Thermally-sensitive paper is placed in intimate contact with the resistors, some of which are heated to a temperature sufficient to cause a color change in the paper to thereby produce a corresponding array of dots. The paper is moved across the printing head in incremental steps, forming other arrays of dots. The dots combine to form alphanumeric characters.

REFERENCES:
patent: 3483356 (1969-12-01), Kalt
patent: 3495070 (1970-02-01), Zissen
patent: 3547604 (1970-12-01), Davis
patent: 3631459 (1971-12-01), Morris
patent: 3632969 (1972-01-01), Walkow
patent: 3669733 (1972-06-01), Allington
patent: 3684858 (1972-08-01), Buck
patent: 3781749 (1973-12-01), Iles
patent: 3870856 (1975-03-01), Taniguchi
patent: 3950200 (1976-04-01), Muranmoto

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