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. 08, 1985
Filed:
Sep. 02, 1982
Yoshihiro Tokuume, Tokyo, JP;
Hideaki Sato, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A transmission system, which includes a recorder/reproducer with at least one frequency incapable of producing an output other than a direct current component and which transmits information in a frequency higher than the frequency incapable of producing an output, has an information recording and reproducing apparatus wherein a transformation circuit transforms a first data sequence including the information into a second data sequence, in accordance with frequency characteristics of the transformation circuit, which second data sequence can then be transmitted, and wherein a restoring circuit restores the first data sequence from a third data sequence obtained after transmission.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile