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:
Jan. 13, 2015
Filed:
Feb. 12, 2014
Pfu Limited, Kahoku-shi, Ishikawa, JP;
Masanobu Hongo, Kahoku, JP;
Takayuki Umi, Kahoku, JP;
PFU Limited, Kahoku-shi, JP;
Abstract
There are provided a paper conveying apparatus that can precisely determine the presence of occurrence of a jam by a jam sound. The paper conveying apparatus includes an analog sound signal generator for generating an analog sound signal corresponding to a sound generated by the paper during conveyance of the paper, a corrected signal generator for generating a signal acquiring the peak hold of the analog sound signal or a signal detecting the analog sound signal as a corrected signal, a digital converter for sampling the corrected signal and converting the corrected signal to a digital format to generate a digital sound signal, and a sound jam detector for determining whether a jam has occurred based on the digital sound signal.