The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 17, 1991
Filed:
Mar. 05, 1990
Shinichi Kashiwagi, Shizuoka, JP;
Tokyo Electric Co., Ltd., Tokyo, JP;
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.