Patents by Inventor Hiroatsu Kondo

Hiroatsu Kondo 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).

  • Printer
    Patent number: 4338035
    Abstract: A printer having a mechanism for moving a carriage along a platen and a mechanism for rotating a type wheel to select types is disclosed. The printer has switch for selectively transmitting the driving force from a driving source to either carriage or type wheel.
    Type: Grant
    Filed: August 11, 1980
    Date of Patent: July 6, 1982
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroatsu Kondo, Toshiaki Ozawa, Yasuaki Yamada
  • Servo control apparatus
    Patent number: 4315200
    Abstract: A frequency-voltage converting system has a first sampler for sampling the input signal at a predetermined time interval a second sampler for sampling the input signal after elapse of a predetermined time period from said predetermined sampling time, and comparator for comparing the sampled values obtained respectively from said first and second samplers and providing the difference of said sampled values as a value proportional to the frequency of said input signal.
    Type: Grant
    Filed: August 27, 1979
    Date of Patent: February 9, 1982
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasuaki Yamada, Toshiaki Ozawa, Hiroatsu Kondo
  • High speed printer with stain preventing member between alternately spaced hammers
    Patent number: 4250807
    Abstract: A printing apparatus has a motor, a character drum rotated by the rotational force of the motor, a printing paper feed mechanism operable by the rotational force of the motor, and a mechanism for shifting hammers and a stain preventing member integral with said mechanism and shiftable by the rotational force of the motor. The stain preventing member has shielded portions at every other column.
    Type: Grant
    Filed: July 11, 1978
    Date of Patent: February 17, 1981
    Assignees: Canon Kabushiki Kaisha, Denshi Kabushiki Kaisha
    Inventors: Hiroatsu Kondo, Mineo Nozaki, Toshiaki Ozawa, Osamu Asakura, Shigeru Okamura