Patents by Inventor Tetsuo FUNADA

Tetsuo FUNADA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Paper conveying apparatus, jam detection method, and computer-readable, non-transitory medium
    Patent number: 8991820
    Abstract: There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium that can suppress erroneous detection of a jam. The paper conveying apparatus includes a sound signal generator, provided with a sound detector near a conveyance path of a paper, for generating a sound signal, and a sound jam detector for determining whether a jam has occurred based on a variation of a component of the sound signal.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: March 31, 2015
    Assignee: PFU Limited
    Inventors: Masanobu Hongo, Tetsuo Funada, Nobuhisa Yamazaki
  • Paper feeding device, image scanning device, paper feeding method and computer readable medium
    Patent number: 8857815
    Abstract: There is provided a paper feeding device including: a microphone which detects sound occurred on a paper conveying path; a pre-processing unit which performs pre-processing on a signal of the sound detected by the microphone; and a jam detection unit which detects a jam of paper based on the sound signal on which the pre-processing is performed, a reference value about intensity of the sound, and a reference value about a duration time of the sound.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: October 14, 2014
    Assignee: PFU Limited
    Inventors: Masanobu Hongo, Tetsuo Funada, Nobuhisa Yamazaki
  • PAPER CONVEYING APPARATUS, JAM DETECTION METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM
    Publication number: 20140077446
    Abstract: There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium that can suppress erroneous detection of a jam. The paper conveying apparatus includes a sound signal generator, provided with a sound detector near a conveyance path of a paper, for generating a sound signal, and a sound jam detector for determining whether a jam has occurred based on a variation of a component of the sound signal.
    Type: Application
    Filed: August 9, 2013
    Publication date: March 20, 2014
    Applicant: PFU LIMITED
    Inventors: Masanobu Hongo, Tetsuo Funada, Nobuhisa Yamazaki
  • PAPER FEEDING DEVICE, IMAGE SCANNING DEVICE, PAPER FEEDING METHOD AND COMPUTER READABLE MEDIUM
    Publication number: 20120235929
    Abstract: There is provided a paper feeding device including: a microphone which detects sound occurred on a paper conveying path; a pre-processing unit which performs pre-processing on a signal of the sound detected by the microphone; and a jam detection unit which detects a jam of paper based on the sound signal on which the pre-processing is performed, a reference value about intensity of the sound, and a reference value about a duration time of the sound.
    Type: Application
    Filed: November 30, 2011
    Publication date: September 20, 2012
    Applicant: PFU LIMITED
    Inventors: Masanobu HONGO, Tetsuo FUNADA, Nobuhisa YAMAZAKI