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:
Apr. 24, 1990
Filed:
Jun. 23, 1989
Applicant:
Inventor:
Katsumori Takei, Nagano, JP;
Assignee:
Seiko Epson Corporation, a Japanese Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
346 742 ; 346105 ;
Abstract
An imprinting apparatus having application means for applying thermal energy to a recording portion of thermoplastic magnetic ink and generation means for simultaneously generating magnetic attraction force in the ink is provided. The recording portion of the ink is transferred to a transfer medium by the magnetic attraction force while the application of thermal energy is controlled. The ink and the transfer medium do not come into contact with each other in a non-recording portion of the ink. An ink medium having a support layer and a thermoplastic magnetic ink layer for use with the imprinting apparatus of the invention is also provided.