Typewriting machines – Including interposed inking device for record-medium – Ribbon – per se
Patent
1990-03-05
1991-12-17
Eickholt, Eugene H.
Typewriting machines
Including interposed inking device for record-medium
Ribbon, per se
400708, 4002404, 250548, B41J 3109
Patent
active
050730533
ABSTRACT:
In the present invention, a long and narrow color ink ribbon in which ink supply portions are repeatedly formed with the same arrangement is formed, a ribbon carrying means which moves the color ink ribbon in its lengthwise direction is provided, positions discriminating marks which are parallel to the lengthwise direction of the color ink ribbon and of which lengths are set correspondingly to the respective ink supply portions are positioned on the same straight line and formed at one edge of the color ink ribbon, and a discrimination mark read-out means implemented by arranging two optical sensors on a straight line in the direction along which the color ink ribbon moves is provided at the position opposite the discrimination marks.
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Patent Abstracts of Japan, unexamined applications, M. Field, vol. 10, No. 21, Jan. 28, 1986.
The Patent Office Japanese Government, p. 164 M 449 Kokai-No. 60-180 883 (Mitsubishi).
Eickholt Eugene H.
Tokyo Electric Co. Ltd.
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