Patents by Inventor Shiro Shirai

Shiro Shirai 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).

  • Control system for controlling a load via power-line communications
    Patent number: 9480117
    Abstract: A control system includes a load including an operative part, and a control device for supplying AC power to the load through a power line and operating the operative part. The control device includes an interruption mechanism and a transmission mechanism. The load includes a controller. The transmission mechanism transmits a predetermined control signal to the load through the power line by blocking the power supply to the load by the interruption mechanism for a time duration shorter than a half cycle of AC output. The controller controls the operative part based on the control signal received from the control device.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: October 25, 2016
    Assignee: TOKYO METROPOLITAN INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Shiro Shirai, Ken Sato, Hiroyasu Sano
  • CONTROL SYSTEM
    Publication number: 20140320020
    Abstract: A control system includes a load including an operative part, and a control device for supplying AC power to the load through a power line and operating the operative part. The control device includes an interruption mechanism and a transmission mechanism. The load includes a controller. The transmission mechanism transmits a predetermined control signal to the load through the power line by blocking the power supply to the load by the interruption mechanism for a time duration shorter than a half cycle of AC output. The controller controls the operative part based on the control signal received from the control device.
    Type: Application
    Filed: October 26, 2012
    Publication date: October 30, 2014
    Applicant: Tokyo Metropolitan Industrial Technology Research Institute
    Inventors: Shiro Shirai, Ken Sato, Hiroyasu Sano
  • Security-ensuring apparatus having an operational guidance function
    Patent number: 4567472
    Abstract: A security-ensuring apparatus having an actuating unit for the initial actuation thereof, an alarm-mode selecting unit for selecting a desired alarm mode set in the apparatus, a separate or built-in emergency-detecting unit for detecting an emergency or an abnormality in a predetermined protected area in which the apparatus is arranged to ensure security, and a display unit for displaying diverse kinds of information regarding security, including information on the operating procedures thereof. The display unit comprises a visual displayer and/or an acoustic displayer and is accommodated in the casing of the security-ensuring apparatus.
    Type: Grant
    Filed: May 14, 1985
    Date of Patent: January 28, 1986
    Assignee: Secom Co., Ltd.
    Inventors: Shiro Shirai, Shunji Ogahara, Miyuki Kubo
  • Security-ensuring apparatus having an operational guidance function
    Patent number: 4536749
    Abstract: A security-ensuring apparatus having an actuating unit for the initial actuation thereof, an alarm-mode selecting unit for selecting a desired alarm mode set in the apparatus, a separate or built-in emergency-detecting unit for detecting an emergency or an abnormality in a predetermined protected area in which the apparatus is arranged to ensure security, and a display unit for displaying diverse kinds of information regarding security, including information on the operating procedures thereof. The display unit has a visual displayer and/or an acoustic displayer and is accommodated in the casing of the security-ensuring apparatus.
    Type: Grant
    Filed: June 13, 1983
    Date of Patent: August 20, 1985
    Assignee: Secom Co., Ltd.
    Inventors: Shiro Shirai, Shunji Ogahara, Miyuki Kubo