Electrically heated recording indicator for recording instrument

Details Electrically heated recording indicator for recording instrument Electrically heated recording indicator for recording instrument

1980-03-24

1981-09-29

Miller, Jr., George H.

Recorders

Thermal recording

346139C, G01D 1510

Patent

active

042926416

ABSTRACT:
An electrically heated recording indicator is designed for use in a recording instrument or the like utilizing a thermosensitive recording medium. The recording indicator comprises an outer electrically conductive metallic tubular support member and an inner electrically insulating non-metallic tubular member positioned in the outer tubular support member. The outer tubular support member has an aperture adjacent one end thereof and the inner tubular member is arranged to extend across the aperture. Electrical resistance heating means is located within the inner tubular member. The heated inner tubular member directly contacts the thermosensitive recording medium through the aperture in the outer tubular support member to write on the thermosensitive recording medium.

REFERENCES:
patent: 3811030 (1974-05-01), Veach
patent: 3814897 (1974-05-01), Otani et al.
patent: 4168505 (1979-09-01), Gaskill, Jr. et al.
patent: 4216478 (1980-08-01), Giedd et al.

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