Typewriting machines – Typing by other than type-face or type-die – Thermal
Patent
1990-04-03
1991-11-12
Burr, Edgar S.
Typewriting machines
Typing by other than type-face or type-die
Thermal
400248, 400 59, 400207, B41J 200
Patent
active
050643010
ABSTRACT:
A thermal printer which always performs a satisfactory printing operation regardless of whether a ribbon cassette mounted for printing houses an ink ribbon for hot release mode printing or an ink ribbon for cold release mode printing. Hot release mode printing is satisfactory for printing normal printing papers, while cold release mode printing is satisfactory for printing OHP (overhead projection) papers. The printer is capable of sensing the difference between ribbon cassette having an ink ribbon for hot release mode printing and a ribbon cassette having an ink ribbon for cold release mode printing, when mounted on the printer for printing. The printer upon sensing the type of ribbon cassette mounted, then adjusts its components, if necessary, so that they are configured in locations appropriate to perform satisfactory printing according to the type of ink ribbon housed in the ribbon cassette mounted. Alternatives include moving a carriage on which the ribbon cassette is mounted toward and away from a platen against which the paper to be printed is placed, moving the location of the ribbon cassette toward or away from the platen against which the paper to be printed is placed, and moving an arm which may guide the ink ribbon after it passes the thermal head.
REFERENCES:
patent: 3724923 (1973-04-01), Fischer
patent: 4396308 (1983-08-01), Applegate et al.
patent: 4784502 (1988-11-01), Kobayashi
patent: 4929102 (1990-05-01), Mizutani et al.
patent: 4949097 (1990-08-01), Imaseki
Nakamura Tadashi
Yamamoto Toshiyuki
Alps Electric Co. ,Ltd.
Burr Edgar S.
Kivlin B. Noel
Shoup Guy W.
Yan Ren
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