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:
Oct. 03, 1995
Filed:
Feb. 25, 1993
Hideo Urata, Kobe, JP;
Naoshi Noguchi, Kobe, JP;
Shigeru Jojo, Kobe, JP;
Riichiro Yamashita, Takasago, JP;
Nobuhide Hirako, Kobe, JP;
Mitsubishi Jukogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A circuit for reading a toll road ticket in which a mark for magnetic recording density discrimination formed on a ticket is detected and a magnetic record demodulating circuit is selected in accordance with the result of detection. The circuit is a digital recording circuit and reproducing circuit for a magnetic card utilizing modified frequency modulation. In a toll receiving system of a toll road, coexistence of tickets adopting different magnetic recording densities or recording systems is made possible.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile