Thermal strip chart recorder

Details Thermal strip chart recorder Thermal strip chart recorder

1978-11-06

1980-08-05

Hartary, Joseph W.

Recorders

Plural-function recorder, distinguishable recordings

Plural markers and single record receiver

346 76R, 346 76PH, G01D 1510

Patent

active

042164788

ABSTRACT:
A thermal strip chart recorder which allows plotting of one or more analog graphs and simultaneous printing of a plurality of lines of related alphanumeric information. Thermally sensitive chart paper is transported around an edge structure and across a viewing platen. The edge structure has an elongate flat surface having two longitudinal edges which are parallel to each other and transverse to the strip of paper. One of these edges acts as a knife edge for plotting one or more analog graphs using a corresponding number of heated galvanometric stylii. The flat surface is used to simultaneously print a plurality of lines of alphanumeric data using an opposing thermographic print head having an elongate array of selectively heatable elements oriented transverse to the paper strip. The flat surface is resilient over at least the portion thereof opposing the print head thermal elements.

REFERENCES:
patent: 3359565 (1967-12-01), Griffith
patent: 3754279 (1973-08-01), Valenti
patent: 3787886 (1974-01-01), McCrady
patent: 3879738 (1975-04-01), Riedl
patent: 3949402 (1976-04-01), Kelley
patent: 3971041 (1976-07-01), Mason
patent: 4017868 (1977-04-01), Keating
patent: 4119974 (1978-10-01), Ondis

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